THE UNIVERSITY OF VOLUME VI December 25th, 1916% • Icones Plantarum Formosanarum nee non et Contributiones ad Floram Formosanam or *+ Icones of the Plants of Formosa, and Materials for a Flora of the Island, based on a Study of the Collections of the Botanical Survey of the Government of Formosa By Bunzo Hayata, VOLUME VI Published by the Bureau of Productive Industries, Government of Formosa TAIHOKU NOTICE I. Dicotyledons — Polypetalous : li a n u u c u 1 a c e se — li o s a c e *e. Published September 10th, 1911. II. 1. Conspectus of the Flora of Formosa, Saxifragese — Dipsacese. 2. New or Noteworthy Plants of Formosa. Published October 15th, 1912. III. 1. Contributions to the Flora of Formosa, I. 2. On the Systematic Position of Mitrastemon, as a Genus representing a special Tribus of the Raffleciacese. Published December 25th, 1914. IV. Contributions to the Flora of Formosa, II. Published November 25th, 1914. V. Contributions to the Flora of Formosa, III. Published November 25th, 1915. VI. Contributions to the Flora of Formosa, IV. Published November 25th, 1916. VII. Will be issued in September 1917. ICONES NEC NON ET CONTRIBUTIONS AD FLORAM FORMOSANAM VI AUCTORK Bunzo Hayata * TO HIS EXCELLENCY BARON TEIBI ANDO, GOVERNOR GENERAL OF FORMOSA. Sra, I have the honour to submit to your Excellency the sixth volume of the Icones Plantarum Formosanarum, nee non et Con tributiones ad Floram Formosanam by BUNZO HAYATA, D. Sc. HIROSHI SHIMOMURA, CIVIL GOVERNOR OF FORMOSA. September 1, 1916, Taihoku. INTRODUCTION. As was announced in the introduction of third volume of this work, the present volume is principally devoted to the fourth part of those studies which have for the most part been upon new material, collected since 1912. The volume contains studies on 212 species and 6 varieties ranging from the Berberidese down to the Polypodiacese. All the species of phanero- gamous plants are here arranged, as in the preceding volumes, after the system of BENTHAM and HOOKER ; while those of vascular cryptogams are arranged after the system of ENGJ&ER and PRANTL. Of the species and varieties mentioned in this work, 126 are proposed as new species and 6 are regarded as new varieties of known species, while 86 are identified with species which were already known as from Formosa or from other countries. One genus, Parasitipomaea, is proposed as a new, while 9 genera are men- tioned as new to the flora of the island. The latter genera are as follows : Nuphar Gardneria Myrmechis Picrasma Acanthephippium Gymnadenla Gerbera Vrydagzynia Woodsia Species,* genera* and families* now to be added to the flora of Formosa number as many as 121 species and 10 genera. Thus, up to the present date, the total number of species of the flora, so far as known, is 3446 species belonging to 954 genera and 160 families. Finally, I avail myself of this opportunity to tender my hearty thanks to the officials of the Government of Formosa, to whom I am much indebted for help in the collection of material and in the publication of this work. B. HAYATA. December 1916, Taihoku and Tokyo. * It should be understood that plants outside of the island are not counted in this number, although they are mentioned in this volume. CONTENTS. Introduction I. Contributions to the Flora of Formosa IV 1-163. Index 164-168. Plates . , I-XX. Contributions to the Flora of Formosa. IV. Berberideae. Mahonia NUTT. Mahonia oiwakensis HAYATA sp. iiov. Arborescens eirc. 10 m. alta. Rami recti teretes apiccni versus 1 cm. in diametro sectionis, cortice cinereo suberiformi, cicatricibus foliorum clevatis linearibus transverse dispositis. Folia versus apicem ramulorum approximatissime disposita radiatim divaricata pinnata in ambitu obovato-oblaiiceolata vel oblanceolata 25-40 cm. longa 10— 20 cm. lata subsessilia supra medio latissima inferiore in ambitu gradatim usque ad basin attenuata, pinnis 12-14-jugis oppositis vel superiore subalternis, jugis inferioribus quain iis superioribus remotioribus, pinnis infimis ovatis l£- 2^ cm. longis 7-15 mm. latis margiiie 1-2-aristato-dentatis, pinnis superioribus gradatim majoribus angustioribus longioribus ; pinnis longissimis lanceolatis 8—10 cm. longis 14-20 mm. latis apice acuminatissimis basi cordato-rotundatis plus minus obliquis sessilibus margine tcnuiter leviterque 1-3 dentibus instruetis, dentibus interdum ad aristam ^ mm. longam reductis, aristis ascendentibus, coriaceis supra iiitidis subtus pallidis, costa supra tenuiter impressa subtus elevata, nervis lateralibus supra liaud distinctis vel vix elevatis subtus tenuiter elevatis, 5-nerviis utroque glabris ; nodis jugarum leviter tumid is articulatis, rliachibus supra subtusque planis laterc profunde sulcatis; jugis inferioribus a se 2|-4 cm. remotis ; rliachibus ad basin subito valde dilatatis 8-10 mm. latis ; pinna terminalis quam pinnis lateralibus longior longissima linearis vel lineari- laiiceDlata Integra vel dentibus 1-2 instructa. Racenii floriferi non visi ; fructiferi ad apicem ramorum dense congesti erecti recti 9 cm. longi, bracteis oblongo-triangularibus 3^ mm. longis 2 mm. latis apice acutis basi leviter ventricosis patentissimis, pcdicellis brevissimis 2 mm. longis. Bacca purpureo- nigricans glaucescens conico-ovoidca 9 mm. longa 6 mm. lata apice oblique acuta breve attenuata reliquis stigmatis apiculata 2-sperma. Semina ellipsoidea 4^ mm. longa 2^ mm. lata utrinque obtusa, testa nigricanti. JL NYMPH^EACEJE. HAB. Musha Oiwake, leg. B. HAY ATA, Mai. 1916 ; Gokwanzan, leg. II. MORI, Feb. 1910. Near M. lomariifolia TAK., but differs from it in the much narrower leaflets which are less spinous at the margin and have the less elevated veinlets. Nymphaeaeese. NupJiar SM. - Nuphar Shimadai HAYATA sp. nov. (PI. I.) Herba aquatica ; rhizoma crasstnn repeiis subteres 1 cm. in diametro sectionis sursum radiciferum, radici- bus teretibus incrassatis 3 mm. in diametro sectionis. Folia circum rhizoma spiraliter disposita longe petiolata, lamina in ambitu oblonga vel ovata (ab apicem laminse usque ad apicem auriculae) 8-10 cm. longa 7-8 cm. lata apice per- fecte rotundata basi sagittato-cordata (lobis cordis subtriangularibus 3-4 cm. longis apice obtusissimis) margine subintegra supra in exsiccato minute muricato- scabriuscula glabra subtus versus medium pauce versus margmem densissime hirsuta, costis supra hand visis subtus leviter elevatis, venis lateralibus radiatim divaricatis supra hand subtus distincte visis tenuissimis, subcoriacea, petioUs 15-30 cm. longis basi dilatatis. Scapus 25— 40 cm. longus teres 3-3£ mm. in diametro sectionis erectus. Flores flavi solitarii terminales. Sepala 5 obovata vel spathulato-obovata plus minus inaequalia Jmajora 2cm. longa 13 mm. lata apice late rotundata vel emarginata basi angustata ad insertionem 3 mm. lata vel latiora, exteriora minora plus craasa interiora majora tenuissime membraiiacea. Petala oo breviora staminodiiforniia 6 mm. longa 2^—3 mm. lata dorso complanata obovato-quadrangulariformia apice truncata vel emarginata. Stamina GO cum antheris 1 cm. longa, filamentis dorso complanatis 8 mm. longis 1 mm. latis glabris, antheris quadrangulari-formibus 2£ mm. longis 1£ mm. latis apice truncatis, loculis 2 linearibus introrsis a se | mm. distantibus. Ovarium semi-rotundato-coiiiforme 3-4 mm. longum 7 mm. latum glabrum apice ad stylum 1-2 mm. longum abeuns, stylo apice 10-fido, segmentis 2 mm. longis exteriore reciiirvis apice acutis facie interiore prominents 1-carinatis ad carinas stigmatosis. Bacca late globosa 17 mm. longa 20 mm. lata apice stigmate coronata. Semiiia globoso-ovoidea 4 mm. longa 3 mm. lata apice obtusa basi rotundata, testa Crustacea fusco-castanea ; albumen osseum sucineum semi- pellucidum. Embryo teres centralis. HAB. Sliiucliikucho : Sliimpo, leg. Y. SHIMADA, Dec. 1915. (Fl. et fr.) VIOLACECE. 3 Very near Nuphar nipponicum MAKING, bat differs from it in having more rounded leaves which are much hirsute on the under surface. Violaceae. Viola LINN. Viola Tayemonii HAYATA sp. nov. Caulis cum florc tcrminali circ. 8 cm. longus simplex haud ramosus glaber erectus. Folia radicalia ignota. Folia caulina 2 alternatim sita glabra petiolata late rcniformia 18 mm. lata 8 mm. longa apice late rotimdata vel plus minus acuta basi profunde reuiformia margine serrulata, (serrulis aseendentibus reeurvis latere inferiore 2 mm. longis latere supcriore ^ mm. longis apice glanduliferis, glaiidulis rubris), utraque pagine atro-viridissima, supra venis venulis deaoloratis distincte visis, supra hirsuta subtus glabra, petiolis 1-1 £ cm. longis glabris, stipulis lincari-oblongis glabris supra hirsutis subtus glabris 4—6 mm. lougis l£-2 mm. latis. Flores flavi terminates pedunculati, pedunculis 3 cm. longis glabris erectis. Sepala oblongo-linearia 4^ mm. longa l^mm. lata apice obtusa Integra margine cilio- lata pagine utraque subglabra ; petala et stamina ignota. HAB. Taihasenzan, ad 11000 ped. alt., leg. Tayemon ltd, Jim. 1915. Near Viola biflora LINN. var. crassifolia MAKING, but differs from it in 1 laving much smaller leaves and flowers. Viola senzanensis HAYATA sp. nov. Rhizoma erectum. Folia omnia radicalia longe petiolata utraque glabra triangulari-cordata 8 mm. longa 10 mm. lata apice triangulari-obtusa basi reniforme cordata margine remote serrulata, (serrulis a se 2 mm. remotis brevissimis latere superiore \ mm. longis latere inferiore 2 mm. longis apice callo uno rubro instructis), supra viridia venis venulis haud visis, petiolis 2-3 cm. longis glabris, stipulis lincari-lanceolatis 2-3 mm. longis 1 mm. latis paucissime laciniato-serratis vel integris. Scapus 3cm. longus glaber medio bracteis singulis vel duabus iiistructus, bracteis linearibus 2 mm. longis acuminatis. Flores 7 mm. longi. Sepala lineari- lanceolata. Antherse lineari-obloiigae 1 mm. longse f- mm. latse subsessiles, ap- pendiculis connectivorum ovatis If mm. longis 1 mm. latis apice obtusis basi subtrimcatis rul)escentibus membranaceis. Csetcrum ignoti. HAB. Taihasenzan, ad 11000 ped. alt., leg. TAYEMON ITO, Jim. 1915. 4 TERXSTRCEMIACE^E. GERANIACEJE. Remarkable for the very small leaves. Ternstrcemiaeeae. Adinandra JACK. Adinandra lasiostyla HAYATA Mater. Fl. Formos. p. 42. Descriptio nucta : — Flores axillares solitarii, peclicelHs 1 cm. longis villosis basi bracteis 2 instructis, bracteis minutis caducis oblongo-triaiigularibus 1 £ mm. longis £ mm. latis apice obtusis extus pilosis intus glabris. Sepala 5 rotuiidato-ovata 4£ mm. longa 4 mm. lata apice obtusissima basi hand vel vix contracta margine dense ciliolata dorso prope medium pilosa crassinscnla versus margiiiem glabra intus glabra imbricata. Petala 5 imbricate ovato-rotimdata 4mm. longa toti usque lata apice triangulari-obtusa basi plus minus coiitracta margine creuulato- denticulata dorso medio crassiuscula pilosa versus marginem teiiuia glabra intus toto glabra. Stamina circ. 20, filamentis ^ mm. lougis glabris complaiiatiss antheris lineari-lanceolatis 2 mm. longis £ mm. latis apice acuminatis basi obtusi, extus plus dense intus minus dense pilosis, pilis 1 mm. longis ascendento-erectis, loculis 2 introrsum dehisceiitibus. Ovarium pilosum cum stylo conico-columni- forme cum stylo 3 mm. longum f mm. latum basi densissime sursum sparse pilosum, stylo l£mm. longo glabro apice brevissime 3-lobato. HAB. Arisan, ad 2500m. alt., leg. U. FAUEIE, Junio 1914, (No. 1055). This form is distinguishable from the type in having quite glabrous styles. It may be questioned, however, that this form is a male one of the original. Geraniaceae. Jmpatiens LJXN. Impatiens Tayemonii HAYATA sp. nov. Caulis erectus rectus glaber 40 cm. altus. Folia alterna membranacea oblonga circ. 10 cm. longa 4| cm. lata apice acuminata basi cuneato-obtusa marginc- serrata, serris ascendentibus 3-4 mm. latis totiusque longis apice truncatis et emarginatis ad centrum apicu- latis, apiculis ^ mm. longis erectis restis, venis lateralibus ad apicem serrnlaruui liaud attingentibus, utraque glabra, pctiolis 1-2 mm. longis, stipulis nnllis. Floros majusculi flavi ad axillas foliorum superiorum solitarii, pedunculis gracilibus 2£ cm. loiigis versus apiceni 1-bracteatis, bracteis minutis. Scpala 3 ; lateralia 2 ovato-rotimdata 1 cm. longa 8 mm. lata apice recurvo-apiculata basi rotundata ; posticum 1 longe saccatum apice ad orern cuspidato-acutum, ore plus minus obliquo 18 mm. in diametro, sacco obcoiiico 2 cm. longo (calcare excepto) IJcm. lato basi acuto ad calcare lineare abeuiiti, calcare asyendento- rccurvo lineari 8 mm. longo 1 mm. lato ad extremitateni 2-fido, ramis 2 mm. longis. Petala 3 : vexillum in plicato 8 mm. latum in explicate 16 mm. latum 6 mm. longum (in plicato oblique semi-rotundatum) apice emarginatum apiculatum, apiculis 1 mm. longis deorsum productis ; alse semi-oblougae 2 cm. loiigse 1 cm. latae latere posteriore (supcriore) lobis singulis instructs, lobis 4 mm. longis 5 mm. latis semi-rotundatis acutis apiculatis, apiculis 2 mm. longis deorsum recurvis. Stamina 5, filamentis complanatis 3 mm. longis medio appendiculatis, appendiculis liiicaribus 1^- mm. longis, aiitheris circum pistillum cohserentibiis late rotundatis. Ovarium lineare cuni stylo brevissimo 4mm. longum 1^ mm. latum apice cum stylo obtusum 5-costatum. HAB. Taihasenzan, ad 7000 ped. alt., leg. TAYEMOX ITO, Junio 1915. Xear /. Noli-tangere Lixx., but differs from it in having more minutely serrate leaves tipped with a small tail. Rutacese. Evodia FOEST. Evodia hirsuti folia HAY ATA sp. nov. Frutex? Ramuli fusco-pur- purascentes. Folia opposita in ambitu laiiceolata generaliter 9-11-foliolata, foliolo terrninali niaximo elongato-oblongo 10 cm. longo 3£ cm. lato apice acuminate basi acuminate membranaceo-chartaceo margine integro utraqne pagiue tenuiter brevissiuie hirsute, costa supra subtusque tenuiter elevata, venis latera- libus primariis utraque pagine tenuiter eievatis hirsutis utroque latere costee 15-18 subrectis angulo obtusissimo a costa divaricatis, in exsiccate supra fuscenti subtus pallido subtus minute pauce rufo-fusco-punctato, petiolulo terrninali 13 mm. longo ; foliolis lateralibus oppositis ovatis vel ovato-lanceolatis inferioribus gradatim minoribus, infimis minimis basi plus minus obliquis, superioribus subsessiHbus, inferioribus breve petiolulatis, petiolis communibus 3-4 cm. longis cum rhachibus hand aktis brevissime hirsutis. Cymse axillares b RUTACEJE. vel terminales, fructiferae cum pedunculis 6 cm. longse 8 -9 cm. latse, ramis oppositis transverse divaricatis ; pedunculis 2^ cm. longis hirsutis. Fructus folliculifer 6mm. lougus 11 mm. in diametro generaliter 5-earpellaris, carpellis basi connatis obovatis apice rotundatis basi acutis dorso rotundato-coiivexis latere planis latere leviter couipressis dorso grosse tuberculatis latere Isevibus. Semina ellipsoidea 3|- mm. longa 3 mm. lata iiitida nigerrinia. HAB. Einkiho, leg. H. IXABA, 1911, Aug. Xear Evodia melicefolia BEXTH., but differs from it in having thinly hairy leaves and cymes. Evodia meliaefolia BEXTH. ; MATSUM. et HAY ATA Euum. PI. Formos. p. 69. Frutex. Kamuli fuscentes lenticellis elevatis rotundatis minutis iiotati. Folia opposita in ambitu lanceolata vel ovata cum petiolis 10-20 cm. longa 9-12 cm. lata 5-1 1-foliolata, foliolis subaequalibus, foliolo terniinali ovato- lanceolato 5£ cm. longo 2£ cm. lato apice caudato-acurniiiato basi obtuso seqnali vel plus minus obliquo ad summum obtuso margine subintegro supra in exsiccato ftiscenti subtus plus minus albicanti, costa supra teuuiter subtus distincte elevata, venis lateralibus tenuissimis, petiolulo circ. 1 cm. longo ; foliolis lateralibus op- positis ovato-laiiceolatis basi valde obliquis latere superiore 12 mm. lato latere inferiore 8 mm. lato, petiolulis 8 mm. longis ; petiolis comuiunibus 4 cm. longis. Flores non visi. Cymse ad axillas foliorum superiorum vel terminales cum pedunculis 5^ cm. longse totiusque late trichotome ramosae dense fructiferse, pedunculis 3 cm. longis. Fructus folliculiformis depressus 3 mm. longus 7 mm. in diametro 3-5-carpellaris, carpelh's subdistinctis subglobosis latere compressis dorso rugosissimis latere sublsevibus sutura ventrali dehiscentibus, endocarpiis et exocarpiis demum solutis, endocarpiis cartilagineis. Semina ellipsoidea 2^ mm. longa 2 mm. lata apice obtusa basi rotundata latere uno cicatricibus* linearibus hilorum notata, testa osseo-crustacea nitidissima nigerrima ; albumen cariiosum ; embryo amplus, cotyledonibus rotundato-ellipticis 1 £ mm. longis, radicula brevissima -J- mm. longa. HAB. in monte centralibus (Ahisen), ad 4000 ped. alt., leg. S. SASAKI, Jan. 1911. Zanthoxylum Lixx. Zantlioxylum liukiuense HAYATA sp. nov. Frutex. Ramuli teretes RUTACTLE. 7 liaud aculeati, cortice loiigitudinaliter ruguloso ad rugulos fisso hand vel vix lenticellato glabro. Folia alterna pari- vel impari-pimmta tenuiter coriacea in ambitu linearia cum petiolis 20 cm. longa 6 cm. lata 19-23-foliolata, foliolis superioribus majoribus inferioribus minoribus ; foliolo terminal! oblongo- lanceokto 4-4|-cm. loiigo l£cm. kto apice caudato-acuniinato ad surnnaum obtuso retuso basi acuto margine crenulato utraque pagiiie glabro, costa supra tenuiter impressa subtus elevata, venis primariis lateralibus supra hand subtus tenuiter elevatis utroque latere costse 7-8 subrectis, utraque glabro obscure minute punctato ; foliolis lateralibus ovato-oblongis apicc breve caudatis basi obliquis latere superiore obtusis vel rotundatis latere inferiore acutis vel obtusis a se 1£ cm. remotis ; rhachibus angustissime alatis semi-teretibus, petiolis communibus 2 cm. longis glabris. Paniculae axillares 4 cm. longse 3 cm. latae, ramis divaricatis glabris apice flores subglomeratim gerentibus (pedicellis ultimis 1-2 mm. longis crassis basi bracteis minutis triangularibus acutis £ mm. longis instructis). Flores ? : sepala 4 triangularia apice obtusa basi hand contracta minus quam 1 mm. longa totiusque lata sub microscopio margine ciliolata utraque pagine glabra crassiuscula. Staminodia 4 triangulari-linearia | mm. longa ^ mm. lata baud antherifera. Ovarium tetramerum 1 mm. altum glabrum, carpellis subdistinctis octantiformibus, stylis 2 mm. longis validiusculis exteriore recurvis apice oblique stigmatiferis. Discus sub ovario insitus incrassatus 1 mm. longus totiusque ktus. HAB. Lco-choo, Nagodake, leg. G. NAKAHAEA, Aprili. 1907. Near Z. euspidatum CHAMP., but distinguishable from it by the much more numerous and smaller leaflets and much shorter common petioles. Zanthoxylum acanthophyllum HAYATA sp. nov. Frutex? ramo- sissimus ; rami teretes glabri fulvo-cinerascentes, cortice tenuiter ruguloso lenticellis hand elevatLs minutLs albis hac atque ilkc notato ; ramuli flexuosi alternatim foliati, utroque latere basis petiolorum spinis oppositis instruct!, (spinis vah'dissimis oppositis latere eomplanatis facie exteriore planis facie interiore subangulatis in sectione apice subukto-acutis basi triangukri- dilatatis circ. 1 cm. longis basi 6 mm. ktis rectis a ramulo angulo circ. 90° egressis basi deorsum fulvescentibus sursum rubro-purpurascentibus nitidis). Folia rami annotini deeidua majora 7-foh'okta ambitu obovato- 8 RUTACR.E. oblonga vcl oblonga cum petiolis 10 cm. longa 7 cm. kta, foliolo terminal! obovato oblongo vel oblongo 5cm. loiigo 2cm. lato apicc obtuso vel acuto basi obtuso vel cuneato basi integro excepto brevissime serrulate versus apicem crenukto, ad margiiiein tenuissime deorsum recurvo, pagine superiore gkbro sed setulis 1 mm. longis ascendentibus consperso ad costas et venas haud setuloso, pagine inferiore glabro haud setuloso sed ad costas setuloso, costis et venis supra tenuissime impressis subtus elevatis, venis lateralibus primariis utroque latere costse 5-6 rnediis a costa angulo 50° egressis subrectis ad marginem haud attingentibus, membranaceo vel chartaceo ; foliolis lateralibus oppositis 3-jugis, jugis super rimis maximis quam foHolo terminali majoribus, jugis infiniis minori- bus, petioh's cum rhachibus a basi usque ad foliolum terminale 5 Jem. longis a latere complanatis supra late canaliculatis utroque latere canaliculorum angustissime elevato-alatis subuts minute setulosis, supra ad jugas superi- ores inter foliola lateralia seta validiuscula 5 mm. longa singula instructis, ad jugam iiifimam setula minuta singula instructis ; inter-jugis 14 mm. longis, cum petiolulo terminali (i. e. partibus rachis inter foliolum terminale et jugam superrimam) sequilongis ; foliis ramuloruni lateralium floriferorum hornotinorum minoribus cum petiolo 3 cm. longis 2 cm. latis. Flores «£ cymosi. Cymse ad apicem ramuloruni lateralium terminates subumbelliformes sessiles, ramis (vel radiis) 5-6, 1 £ cm. longis glabris patentibus apice florem 5—6 umbellatim gerentibus, pedicellis ultimis 3 mm. longis basi articuktim deciduis basi bracteis singulis instructis, bracteis minutis subuliformibus 1 mm. longis. Sepak 5 insequalia knceolata vel lanceokto-triangulark 1 mm. longa apice lineari- acuminata basi $ mm. lata glabra. Petak O. Stamina 4-5 sepalis opposita, flamentis 1^ mm. longis ^ mm. ktis gkbris, antheris apertientibus reniformibus in ckuso ellipticis f mm. longis glabris apice emarginatis dorso apice globulis singuHs instructis, globulis nigro-coloratis. Rudimentum (^varii (vel discus?) globoso-pulviniforrne | mm. longum | mm. ktuni apice apiculis brevibus instructum. Fl. ? ign:>ti. HAB. Takao, leg. S. SASAKI, Mart. 1910. Fagara LINN. Fagara cyrtorhachia HAYATA ep. nov. Frutex scandentissimus. Kami subrecti remotissime aculeokti, aculeis 4 mm. longis ktere conipknatis descen- RUTACEJE. 9 dento-reeurvis, remote foliati, corticein exsiccato fusco-ciiierascenti longitudinaliter ruguloso minutissime leiiticcllato. Folia 7-17-foliolate in ambitu lanceolate, foliolis oblongis vel lanceolatis lateralibus suboppositis vel alternis, infimis longissimis oblongo-ovatis 5 cm. longis 2 cm. latis apice acuniinato-caudatis (ad summum caudae obtusis) basi cuneato-acutis margine integris in exsiccato supra subiiitidis vel opacis fuscentibus subtus pallidioribus utroque glaberrimis, costa supra tenuiter impressa subtus elevata, venis lateralibus priniariis supra vix subtus distincte elevatis gracillimis ; foliolo terminali longissimo angustiore lanceolate 6 cm. longo 13 mm. lato, petiolulis 2 mm. longis supra sulcatis, rhachibus cum petiolis gracilibus arcuatis aculeolatis supra sulcatis. Paniculae axillares 4-5 cm. longse laxiuscule floriferee, rhachibus rectis minute hirsutis 4-quetris ad nodos glomeratim floriferis, vel floribus ad apicem ramo- rum paniculorum glomeratim pedicellatimque sitis, bracteis sub podicello singulis, bracteolis duabus ; bracteis cuspidato-triangularibus ^ mm. longis liirsutis ; bracteolis subulatis minutis £ mm. longis ; pedicellis £ mm. longis hirsutis articulatim a rhachide solutis. Fl. £ : pallido-viridis. Sepala 5 trian- gularia 1— | mm. longa et lata acuta utraque glabra margine plus minus breve hirsuta. Petela 5 elongato-oblonga 2 mm. longa 1 mm. lata apice obtusa basi leviter contracta margine subintegra sub microscopio minute denticulata utraque glabra. Stamina 5, filamentis 2|-mni. longis glabris, antheris oblongo-sagitti- formibus glabris | mm. longis % mm. latis apice obtusis basi sagittatis. Discus hand distinctus. Kudimentum ovarii depresso-globosum ^ mm. longum, stylis 2 oblongis | mm. longis. Fl. $ : viridescentes. Sepala ut fl. J. Petala ovate 2^ mm. longa 1^ mm. late utraque pagine glabra apice obtusa basi leviter contracta margine sub microscopio minute ciliolata. Staminodia 5 minute, antheris obsoletis. Discus pulviniformis in specimine exsiccato indistinctus. Ovarium depresso-globosum 1^- mm. longum totiusque latum glabrum, carpellis 4 (vel 5 ?) distinctis octentiformibus dorso minute impresso-pimctatis, basi rotundatis apice abrupte ad stylum abeuntibus, stylis l£ mm. longis exteriore valde recurvatis apice subgloboso-dilatatis stigmatosis. Panicula fructifera pyramidalis 3-4 cm. longa. Fructus folliculiformis 4mm. longus llmm. in diametro, carpellis depresso-globosis 6^ mm. longis 6 mm. latis apice plus minus apiculatis latere leviter compressis. Semina ignota. 10 EUTACE^E. HAB. Mt. Arisan ; inter Heishana et Nimandaira, leg. B. HAYATA, A prill. 1914, (fr.) ; inter Funkiko ct Taroyen, leg. TAKEO ITO et B. HAYATA, Mart. 1914, (fl. ? et J). Fagara cyrtorhachia and F. leiorhachia are contrasted by the leaves which are in the former 7-17 foliolate with smaller leaflets, but in the latter 5-foliolate with much larger leaflets. Fagara laxifoliolata HAYATA sp. nov. Frutcx? rami ct ramuli haud aculeati longitudinaliter rugulosi minute lenticellati. Folia alterna tenuiter coriacea pari-vel imparipinnata 7-9-foliolata in ambitu oblanceolata cum petiolis 2 cm. longis 20—25 cm. longa 8-9 cm. lata, foliolis superioribus majoribus, inferioribus minor ibus, foliolo tcrminali cuspidato-obovato 8 cm. longo 3 £ cm. lato apice breve subito cuspidato-caudato ad summuni tenuiter rctuso basi subito acuminato margine integro tenuiter desuper excurvato utraque glabro supra nitido, costa supra valde impressa subtus prominenti, venis primariis lateralibus utraquc paginc tenuiter sed distincte elevatis venulis supra elevatis distincte reticulatis sed subtus vix visis, venis rectis, petiolulo 2 cm. longo ; foliolis lateralibus basi obliquis acutis, petiolulis 1 mm. longis sulcatis ; foliolis a se 3 cm. remotis, rhachibus petiolisque et petiolulisque supra sulcatis ; petiolis communibus 2 cm. longis. Paniculse axillares 5-7 cm. longse in ambitu pyrami- dales abundanter floriferse, rhachibus pcdiccllisque hirsutis, pedicellis ultimis 2-3 mm. longis basi articulatim solutis, bracteis minutis triangularibus £ mm. longis totiusque latis acutis margine minute ciliatis. Florcs ^. Sepala 4, triangularia f mm. longa f mm. lata apice acuta vel obtusa utraque glabra margine sub lente ciliolata. Petala 4 oblonga 3 mm. longa 2 mm. lata apice obtusa basi plus minus contracts margine sub microscopic minute crenulata utraque glabra. Staminodia nulla vel minuta squamiformia. Ovarium 4- merum, carpellis subdistinctis quadrantiformibus 1^-mrn. longis dorso impresso- punctatis, stylis 1 mm. longis stigmatibus globosis oblique sitis. Discus (vel torus?) sub ovario insitus £mm. longus pulviniformis. HAB. Mt. Shichiseitonzan, leg. Y. SHIMADA, Aprili. 1911. Near F. Avicennce DC. (BENTH. Fl. Hongk. p. 58), but differs from it by the 4-carpelled flowers and obtusely cuspidate leaflets. Fagara leiorliachia HAYATA sp. nov. Frutex scandentissimus. Kami KUTACEJE. 11 recti teretes fusco-cinerascentes, cortiee longitudinaliter ruguloso lenticellis minutissimis notato. Folia 5-foliolata in ambitu obovata 14cm. longa 12cm. lata, foliolis infimis minimis, foliolo terminal! maximo obovato vel oblongo 8 cm. longo 3 cm. lato apicc longc caudato basi cuneato ad summum obtuso vel minute retuso supra subnitido, costa supra tenuiter impressa subtus elevata, venis primariis lateralibus supra tenuiter minus subtus distincte elevatis gracilibus rectis angulo obtusissimo divaricatis, margine tenuiter desuper recurve, supra ftisco subtus pallido utraque glabro (petiolulo 1| cm. longo); foliolis lateralibus alternis vel suboppositis ; petiolulis 6 mm. longis ; rhachibus cum petiolis supra planis vel sub-sulcatis ; petiolis communibus 3£ cm. longis ; rhachis foliorum baud vel vix aculeolata. Flores ignoti. Panicula fructifera axillaris vel terminalis densissime fructifera. Fructus folliculiformis 6mm. longus 12mm. in diametro 3-4— vel 5-carpellaris, carpellis distiuctis oblongo-subglobosis apice apiculatis 7 mm. longis 5£ mm. latis latere leviter compressis extus rugulosis, endocarpiis cartilagineis ; semina ignota. HAB. Mt. Arisan, inter Heishana et Funkiko, leg. B. HAYATA, Aprili. 1914, (fr.). Near F. laxifoliolata, but differs from it in having 3-5-foliolate leaves. Murraya LINN. Murraya euchrestifolia HAYATA sp. nov. Frutex? Kami fusco- cinerascentes longitudinaliter minute rugulosi minute lenticellati, ramulis sursum tenuiter hirsutis. Folia abrupte (semper ?) pinnata 4-8— foliolata cum petiolis 20—25 cm. longa in ambitu obovata tenuiter coriacea vel chartacea, foliolis superioribus majoribus inferioribus minoribus ; foliolis superioribus elongato- oblongis 7-8 cm. longis 2£-3 cm. latis apice acuminatis ad summum obtusis basi acutis margine subintegris tenuiter desuper recurvis, costa supra minus subtus plus elevata, venis lateralibus primariis utroque latere costse 5-7 rectis a costa angulo 45°-50° egressis sursum ramosis utraque pagine tenuissime elevatis, pagine supra viridibus subtus pallidis minute pauceque nigro-punctatis utraque glabris, petiolulis 3 mm. longis, foliolis inferioribus minoribus circ. 5 cm. longis ; foliolis suboppositis vel alternis a se 3|- cm. distantibus ; petiolis communibus 3£ cm. longis intcrjugam sequantibus cum rhachibus teretibus glabris nigro- punctatis. Flores ignoti. Cymse terminates 8 cm. longse 13 cm. latse abundanter 12 RUTACEJE. fructiferse, ramis divaricatis. Fructus perfecte globosus 1 cni. in diametro glaber hand rugosus sublsevis minute nigro-punctatus, punctis plus minus elevatis, pericarpiis tenuiter crassiusculis. Semina obovoideo-subglobosa 8 mm. longa totiusque lata, testa tenuiter membranacea ; albumen O ; embryo ampins, cotyledonibus crassissimis obovato-rotundatis 8 mm. longis totiusque latis 3 mm. crassis, radicula infra minutissima puiictiformi 1 mm. longa inter cotyledones sita. HAB. Nanto : Baikei, leg. TAYEMOX ITO, Jan. 1914. Near M. Kcenigii, but differs from it in having much looser inflorescence and crimson-red fruits. 31. Koenigii has much denser flowers and black fruits. Clausena Buim. Clausena tetramera HAYATA sp. nov. Frutex? Kami et ramuli teretes fuscentes longitudinaliter minute rugulosi minute lenticellati minute sparse hirsuti. Folia alterna chartacea pinnata in ambitu oblonga cum petiolis 25— 30cm. longa 10-1 4 cm. lata, foliolis snperioribus majoribas; foliolo terminali leviter minore caudato-ovato 6£ cm. longo 2£ cm. lato apice caudato-aciuninato ad sumniuni obtuso basi late cuneato margine subintegro vel crenulato, costa supra tenuissirne subtus prominente elevata, venis lateralibus primariis utroque laterc (costse 9—11 ramosis sursum arcuatis supra haud subtus tenuiter elevatis cum costa rubro-coloratis, supra subglabro subtus ad costas ct veuas laterales tenuiter hirsute ; foliolis lateralibus oblique lanceolatis 8 cm. longis 2£ cm. latis apice acuminatis basi latere superiore late acutis latere inferiore angustissime cuneatis a se 2^-3 cm. remotis, petiolulis 5 mm. longis ; petiolis comnumibus 4 cm. longis. Panicuke terminales 20cm. longre 15cm. latee floribundee a basi raniosse tenuiter hirsutse, ramis divaricatis, floribus ad apicem ramuli paniculse cymose sitis ; rhachibus pedicellisque hirsutis ; pedicellis ultimis 1 mm. longis basi articulatim solutis, bracteis minutis hirsutis oblongis ^ mm. longis. Calyx brevissime obconicus subplanus 4-lobatus, lobis semi-rotundato- triangularibus ^ mm. longis breve cuspidatis extus rugosis intus laevibus margine apice ciliolatis vel haud ciliolatis. Petala 4 oblonga 3 mm. longa 2 mm. lata apice obtusa integra glabra extus plus minus punctato-tuberculata intus Isevia. Stamina 8, fiknientis basi dilatatis apice fiUformibus, partibus dilatatis oblongo- quadrangularibus \ mm. longis -| mm. latis incrassatis apice iiitcriore ad calcar productis glabris, partibns filiformibus 1 mm. longis glabris, antlieris SIMARUBE^E. 13 dorsifixis oblongis 1^ nun. longis apice obtusis leviter retusis basi sagittatis interiorc dchiscentibus. Ovarium oblonguin dense tuberculatum barbatum 1 mm. longum stipitatum, stipite £ mm. longo glabro, stylo glabro columnar! crasso 1 mm. longo £ mm. la-to apice ,perfecte truncate stigmatoso. HAB. Hainan, leg. Z. KATSUMADA, 1910. Near Clausena Wampi, but differs from it by the less hairy ovary and much dilated filaments. Citrus LINN. Citrus ery throcarpa HAY ATA sp. nov. FortwneKa erythrocarpa HAYATA. Frutex. Kami et ramnli gracilcs cinerascentes longitudinah'ter tenuiter rugulosi. Folia altcrna trifoliolata vel simplicia chartacea, foliolis ovato-laiiceolatis vel lanceolatis 7 cm. longis 2^ cm. latis apice acuminatis sed ad summum obtusis basi acuminatis margine integris utraque pagine glabris, costa supra tenuiter impressa subtus elcvata, pellucid o-ptmctatis, venis venulisquc supra tenniter vel obscure subtus distincte elevatis. Florcs ignoti. Cymse terminales 2—3 cm. longse. Fructus drupiformis cllipsoidcus 15 mm. longus 10 mm. latus apice brevissime apiculatus he vis glabcr 1-spermus rubescens, pericarpiis crassiusculis teuuibus. Semina solitaria cllipsoidea 13 mm. longa 8 mm. lata apice brevi- ssime apiculata basi rotundata, testa rubescenti membranacea laterc uno arillis linearibus ramosis adnatis instructa. Albumen O; embryo amplus ellipsoideus, cotyledonibus ellipticis 10 mm. longis 6 mm. latis crassissimis minute punctatis osseis ; radicula brevissima truncata ad centrum minute impressa brevissime rubro-hirsuta. HAB. inter Karapin et Suisharyo, leg. B. HAYATA, Aprili. 1914, (fr.). Near Citrus japonica in the 1-seeded fruits, but dinars from it in having shortly apiculatc elliptical fruits and 3— foliolate leaves. Simarubese. Picrasma BLUME. Picrasma quassioides BENN. ; BENTH. Fl. Hongk. p. 61 ; HOOK. f. Fl. Brit, Ind. I. p. 520 ; HEMSL. Ind. Fl. Sin. I. p. 112 ; MATSUM. Ind. PI. Jap. IT.-2 p. 296. 14 CELASTRIXE.E. RHAMXE^. HAB. Hogo, Muslia, ad 4000 ped. alt., leg. B. HAYATA, Aprili. 1916, (I et ?). Compared with a Japanese specimen so named in the Herbarium at Tokyo. Petals of female flowers of the Formosan are aeuter and more hairy than those of the Japanese. Celastrinese. Celastrus Lixx. Celastrus elevativena HAYATA sp. iiov. Frutex scandeiitissimus, ramis et ramulis gracilibus iiiterdum volubilibus fusceiitibus corticc longitudinaliter elevato-striatis leiiticellatis, leiiticellis rotnndatis. Folia alterna oblonga lanceo- lata vel obovato-oblonga 1^-5 cm. longa 12-23 mm. lata apice acuta basi obtusa vel aeuta margine minute scrrulata coriacea, costis venis vcnulisque utroque paginc elevatis, utroque pagine glabra, petiolis 2-8 mm. longis. Capsulse axillares solitariie vel gaminse, pcdicellis 5-6 cm. longis rectis divaricatis, 3— valvata?, valvis viridibus crasse coriaceis extus transverse rugulosis tenuissinie grosse reticulatis rotuiidatis 6 mm. in diamctro apice reliquis styli apiculatis. Semina matura ignota. H^AB. Kwarenko, leg. U. FAUEIE. Near C. leiocarpa HAYATA, but differs from it in having narrower leaves with elevated veinlets on the upper surface. Rhamneae. Rhamnus LINN. Rhamnus (Eurhamnus-Cervispina) oiwakensis HAYATA sp. nov. Frutex 1-2 m. alt. rarnosissinius, ramis teretibus fusco-purpurasceiitibus nitidis Itevibus hand lenticellatis, ramulis setiforrnibus alternatim vel decussatim dispositis |-2 cm. longis teretibus, ramulis foliiferis brevissimis 3 mm. longis apice sub- verticillatim approximatim foliatis basi perulis dense obtectis, perulis coriaceis castaiieo-coloratis 1 mm. longis ciliatis obtusis vel acutis convexis. Folia ap- proximata obovato-spathulata vel obovata 1-1^ cm. longa 6 mm. lata apice obtusissima vel rotundata basi cuneato-attenuata margine deorsum integra sursum crenata ad sinus crenarum sctulis digiti-formibus rubesccntibus -J mm. SABIACEJE. 15 longis instructa, supra ad costas tenuiter hirsuta subtus glaberriina, supra venis costis plauis baud distinctis, subtus costis venis venulis reticulatis distincte elevatis, petiolis 2 mm. lougis minute hirsutis supra sulcatis, stipulis subulato- linearibus l£ mm. longis hirsutis basi setulis digiti-formibus obtusis 4-5 brevissimis instructis. Flores ^ axillares solitarii, pedicellis 4 mm. longis minute hirsutis apice ad calyccm abeuntibus. Calyx late campanulatus pallido- viridis glaber, tubo tetragono-obpyramidali 8-costato 1 mm. longo l£ mm. lato intus extusque glabro, limbo 4— partito, partibus oblongo-triangularibus 2f mm. longis 1£ mm. latis plus minus crassiusculis glabris 1— nerviis apice acuminatis ad summum obtusis marginatis valvatis patentissimis. Petala 4 minute spathulata 1 mm. longa apice obtusa basi cuiieato-attenuata glabra tenuissima concava stamina involventia ad niarginem tubi calycis affixa glabra erecta. Stamina 4 ad marginem tubi ealycis affixa petalis opposita, filamentis erectis validiusculis 1 mm. longis glabris, antheris ovatis %—$ mm. longis apice obtusis basi lobatis dorsifixis. Rudimentum ovarii minutum globo- sum, stylo columnar! £ mm. longo apice 2— partito. Fl. ? ignoti. HAB. Oiwake, 7500 ped. alt., leg. B. HAYATA, xlprili. 1916. Remarkable for the very small congested leaves. Sabiaceae. Meliosma BLUJIE. Meliosma callicarpaBfolia HAYATA (PI. II.); Ic. PI. Formos. III. p. 68. Descriptio aucta : Flores apertientes : bractea singula ovata | mm. louga % mm. lata apice obtusissima crassiuscula margine ciliolata ; bracteola minuta 2. Sepala 3-4 late rotundata vel semi-rotundata 1 ^ mm. lata | mm. longa apice rotundata basi truncato-contracta integra concava glaberrima ad insertionem ^ mm. lata margine hand vel vix ciliolata. Petala 3 late rotundata plus minus inteqtialia majora circ. 2 mm. lata 1^ mm. longa apice rotundata basi contracta ad insertionem \ mm. lata apice crassiuscula margine integra imbricata. Stamina perfecta 2 cum petalis alterna, filamentis glabris linearibus basi dorso appendicibus obsagittiformibus instructis, apice connectivis semi-rotundatis peltatis \ mm. latis \ mm. longis terminatis, loculis antherarum 2 supra connec- tivum sitis introrsis globosis se contactis \ mm. in diametro flavis. Staminodia 16 ROSACES. 3 cum petalis affixa dorso eompknata quadrangukria 1 mm. longa f mm. lata apicc utroquc latcrc aurieukto-diktata foveoktaque. Glandulse disci 2-3 mem- branaccrc triangularcs % mm. ktse apice bicuspidatte vel sinipliciter cuspidate glabrte. Ovarmm late rotundatnm f mm. longum | mm. latnm 2-locularc gkbrum, stylo brevi columnari \ mm. longo apicc subulato-acuto. HAB. Arisan, 8000 ped. alt., leg. U. FAURIE, Junio 1914, (No. 270). Rosaceae. Hubus Lixx. Rubus rarissimus HAYATA sp. nov. Suffrutex, rami amiotini fusco- rubescentes teretes tenuiter pubesccntcs minntissimc striati remote aculeati, aculeis ktere complanatis 2£ mm. longis basi dilatatis apice deorsum plus minus recurvis, ramulis hornotinis fulvescentibus teretibus pubescentibus aculeatis 1-2-foliatis basi perulis multi-seriatis extus villosis instrnctis. Folia alterna trifoliata, folio terminal! maximo subrhomboideo 8 cm. longo 6 cm. lato apice cuspidate basi triangulari-obtuso margine duplicato-dentato, (dentibus triangularibus apice breve aristatis, aristis sursum recurvis), supra subglabro vel tenuissime pubes- centi subtus densissime brevissime villoso-tonientoso, tomentis pallido-fulves- centibus, costis et venis supra compressis subtus distincte elevatis, venis lateralibus primariis utroque latere 7-8 rectis mediis a costa angulo 30° egressis ad apicein dentium attingentibus, venulis rectis ad apicem dentium attingentibus vel reticu- latis supra impressis subtus elevatis ; foliolis lateralibus minoribus 6 cm. longis 3^ cm. ktis apice acuminatis basi oblique obtusis ktere inferiore latioribus quam latere superiore, brevissime petiolulatis, petiolulis 1-2 mm. longis ; pctiolis communibus 6 cm. longis pubescentibus aculeatis, rhachibus 2£ cm. longis, stipuh's linearibus 8 mm. longis | mm. ktis acuminatis. Flores eymosi. Cymse terniinales vel axillarcs pedunculata) vel sessiles cum pedunculis 2^ cm. longse villosse 3-20-floratse, pedicellis ultimis 1 cm. longis. Calyx utraque villosus, cupuk 3 mm. in diametro extus villosa intus glabra extus impressa intus elevata, lobis patentibus lineari-triangularibus 4-5 mm. longis 2 mm. ktis villosis ad summum glabris. Petala 5 obovato-spathulata cum unguibus 4 mm. longa 3 mm. kta apice rotundato-truncata basi subito imguicukta, unguibus 1 mm. longis | mm. ktis, margine subintcgra vel erosa intus glabra sod basi hirsuta ROSACEvE. 17 oxtus versus eostam hirsuta. Stamina oo ad niarginem cupula; inserta, filamentis filiforrnibus glabris 2 mm. longis, antheris ovato-oblongis £ mm. longis glabris. Beceptaculum carpellorum clcvatum globosum breve stipitatum villosum, carpellis oo semi-obovoideis basi brevissime stipitatis, (stipitibus pilosis) basi apiceque pilosis medio latcreque glabris, stylis terminalibus 2 mm. longis rubcscentibus basi pilosis sursum glabris apice oblique truiicatis 2-lobatis stigmatiferis. HAB. Arisan, ad 2500 ped. alt., leg. U. FAUEIE, Junio 1914, (No. 33). Near Rubus idaeus LINN, subsp. nipponica FOCKE, but differs from it in having more numerous and less pilose carpels. Cotoneaster MKDIK. Cotoneaster morrisonensis HAYATA Ic. PL Formos. V. p. 02. Flores axillares vel ad apicem ramulorum tcrminales solitarii, pedicellis 3-4 mm. longis strigoso-hirsutis, pilis adprcssis fulvescentibus rectis. Calyx obconicus 2 -3 mm. longus totiusquc latus cxtus adpresse hirsutus apiee 5-lobatus, lobis triangu- laribus crassiusculis extus liirsutis intus glabris apice obtuso-truncatis 1 mm. longis 1^ mm. latis. Petala 5 ad basin lobi calycis affixa rotundata 3mm. longa totiusque lata apice plus minus emarginata vcl rotundata basi breve unguiculata coiitracta ad inscrtionem -f mm. lata marginc subiiitcgra vel tenuiter erosa intus valdc coiicava. Stamina oo ad basin lobi calycis affixa, fikcmentis l£ mm. longis basi iiicrassatis apice subulatis glabris, antheris rotundato-ovatis £mrn. longis totiusque latis apice minus basi plus emarginatis; carpellis 2 a se distinctis dorso usque ad medium cum calycis tubo connatis sursum liberis, dorso dense albo-hirsutis, stylis columnaribus l£mm. longis glabris. HAB. Taihasciizan, leg TAYEMON ITO, ad 10000 ped. alt., Aprili. 1915. Photinia LINDL. Fhotinia lasiopetala HAYATA sp. nov. (Fig. 1.) Frutcx, ramis et ramulis fusco-cinerascentibus longitudinaliter strigosis, lenticellis obscuris, baud hirsutis, ramulis annotinis glabris rubesceiitibus loevibus foliatis. Folia in vivo supra atroviridia et nitida in exsiccato pallido-rubra obovato-clliptica vel lanceolata obovata 10-15 cm. longa 2^— 4^ cm. lata apice breve acuminata versus basin gradatim attenuata ad basin subito acuta margine minute serrulata margine versus basin integra coriacea utraque glabra, costa supra impressa subtus elevrata, vcnis venulis supra minus subtus plus elevatis gracillimis, venis 18 BOSACEJE. latoralibus primajiis utroque latere circ. 15 tenuissimis a costa angulo 30° cgrcssis propc marginem evanescent! bus, petiolis 1-2 cm. longis glabris basi subito dilatatis caulem partim amplectantibus supra sulcatis ; stipulis nullis. Panicula terminalis 8 cm. longa pyramidalis, ramis divaricatis glabris vel tenui- ter liirsutis, pedicellis l-£ cm. longis liirsutis. Calyx pallido-viridifl obconicus 2 mm. longus totiusque latus hirsutus 5-dentato - lobatus, lobis vel dentibus erectis triangularibus 1 mm. latis | mm. longis apice acutis basi baud eontractis cras- siusculis, tubo intiis glabro. Pctala alba in ambitu obovata basi unguiculata, lamina subrotundata 2^ mm. longa totiusquc lata apicc obtuse bilobata extus glabra intus basi longc albo-hirsuta, pilis crispatis, uiiguibus 1 mm. longis intus densissime hirsutis extus glabris cxtcriorc rwurvis. Stamina circ. 20 ad apicem tubi 1 -seriatim disposita, filauicntis glabris filiformibus 2£-3 mm. longis, antheris rcniformibus basi 2-lobatis apicc cmarginatis f mm. longis totiusquc latis flavis. Ovarium ovoideum usque ad medium cuni tubo calycis connatum, partibus apicalibus liberis dense albo-hirsutis obconicis 1 mm. longis apice ad stylum abeuntibus ; styli 2 basi connati dense hirsuti apice peltatim truncati stigmatosi ; ovariuni 2- locularc, loculis 2-ovulatis. Fig. 1, Photima lasiopetala HAYATA; a, a flower; b, a petal, seen from side ; c, the same, seen from above ; d, e, stamens, seen from different sides ; f , cross section of ovary. SAXIFRAGES. 19 HAB. Musha : Baikei, ad 2500 ped. alt., Aprili. 1916, leg. B. HAYATA. Near P. serrulata LINDL., but easily distinguishable from it in having hirsute miguiculate petals. The habit of this new shrub is nearly the same as that of Deutzia scabra. Saxifrageae. Itea LINN. Itea arisanensis HAYATA sp. nov. Frutex, ramulis gracilibus, cortice longitudinaliter ruguloso glabro. Folia remote disposita oblonga vel oblongo- lanceolata 10-14 cm. longa 3-5 cm. lata apice acuminata deorsum recur va basi obtusa vel acuta margine tenuiter et remotissime serrulata, (serrulis minutis a se 4-5 mm. remotis ascendentibus apice interiore recurvis), cJiartacea utraque pagine glaberrima, costis et venis supra tenuiter impressis subtus elevatis, veiiis primariis lateralibus gracilliniis utroque latere costce 5-8 arcuatis sursum margine subparallelis gradatim evanescentibus, venulis gracillirnis costa trans- verse dispositis transverse reticulatis supra hand visis subtus distincte visis, petiolis 1-1£ cm. longis supra sulcatis glabris. Flores ignoti. Racemi fructiferi terminales vel axillares 8-10 cm. longi l|-2cm. lati, pedunculis 1-2 cm. longis cum rhachibus pubescentibus, fructibus geminatim vel solitariter secus rhachin racemi dispositis trans vrerse patentibus vel descendentibus, pedicellis 5 mm. longis apice leviter dilatatis ad tubum calycis abeuntibus, bracteis sub pedicello linearibus vel lanceolatis 1£ mm. longis. Calycis fructiferi tubus infundibuli- campanulatus 1mm. longus 1| mm. latus, limbo 2^ mm. in diametro margine lobato, lobis 5 triangulari-cuspidatis 1 mm. longis toti usque latis apice acutis, sinibus inter lobos late rotundatis. Carpella 2 supra tubum calycis fere dis- tincta erecta leviter divaricata fusiformi-linearia supra cupulam ad 5 mm. exserta 1 mm. lata sparse minute hirsuta apice attenuata dorso in sectione convexa facie plana in sectione semi-rotundata sutura ventrali dehiscentia. Semina minuta numerosa ovoideo-fusiformia If mm. longa $ mm. lata altri extremitate attenuata acuta altri extremitate obtusa, testa sicca rugosissima fusco-rubescente nitida. HAB. Mt. Arisan : inter Suisharyo et Funkiko, leg. B. HAYATA, Aprili. 1914. (Fructus). 20 CRASSULACE^E. HAMAMELIDEJE. Near Itea chinensis, but distinguishable from it in having less serrate leaves of much thinner texture. Crass ulaeeae. Sedum LINN. Sedum uraiense HAYATA sp. nov. Herba tenuissima basi repens, partibus erectis 10 cm. longis crispato-hirsutis, piHs transverse patentibus. Folia in exsiccato tcnuissime membranacea in vivo crassiuscula opposita vel rarius ternata a se 2-3 cm. remota petiolata, lamina ovata vel rotundato-ovata circ. l£-2 crn. longa 13-15 mm. lata apice obtusissinia basi subito attenuata ad petiolum abeuntia margine integra densiuscule patento-ciliolata supra spar- sissime hirsuta subtus subglabra, petiolis 5-8 mm. longis. Cymse terniinales laxissime floratse cum pedunculis 7 cm. longis brevissime patento-hirsutse, pedicellis terminalibus 2-5 mm. longis. Sepala 5 extus oblongo-triangularia 1£ mm. longa f mm. lata apice obtusa basi hand contracta margine integra extus dense hirsuta intus glabra tenuiter 1-nervia. Petala 5 laiiceolata 3-3 £ mm. longa £ mm-1 mm. lata apice acuminatissima basi leviter angustata ad iasertionem £ mm. lata integra tenuiter 1-nervia. Stamina 10, filanientis filiformibus 2 mm. longis glabris, antheris globosis £ mm. in diametro 2— locularibus ; glandulLs 5 carpello oppositis rectangularibus £ mm. longis. Carpella 5 laiiceolata glanduloso-hirsuta apice ad stylum attenuata ; carpella matura membranacea hyalina oblonga 2 mm. longa | mm. lata apice ad stylum abeuntia. Semiiia ovoideo-cllipsoidea utraque truncata circ. -^ mm. longa profunde 8-13-sulciita minute elegante transverse multo-striata in scctione teres, testa Crustacea fusco-castaiiea. Embryo iguotus Sedum drymarioides HAYATA Ic. PI. Formos. IV. p. 110, (non HAXCE). HAB. Urai, in petrosis rara, leg. U. FAURIE, Aprili. 1914, (No. 810). Near S. drymarioides HAXCE, but differs from it in having much longer petals. Hamamelideae. Corylopsis SIEB. et Zucc. Corylopsis stenopetala HAYATA (PI. III.) Ic. PI. Formos. IV. p. 6. Descriptio aueta : Spicse fructiferse erectse 3-4 cm. longse cum fructibus HALORAGE^E. BEGONIACEJE. 21 2-3 cm. late, pedimctdia 4-5 cm. longis glabris ; rhachis spicre post anthesiii accrescens hirsuta dense fructifera ; calycis tabus in fructu accrcscens plus minus stipitatus cuni stipite incrassato 1 cm. longus 8 mm. latus, lobis minutis dentiformibus ; carpella 2 calycis tubo insita medio supra exserta oblonga apice bicornuta, cornibus exteriore recurvis, 2-valvatim dehisceutia, exocarpio crus- taceo fuscenti, indocarpio crustaceo-osseo albo-fulvescenti, 1-sperma ; semina elli- psoidea 7-8 mm. longa, testa Crustacea nigra nitida. HAB. Nanto: Jinrinsha, leg. U. MORI, Juli. 1907, (No. 292). Haloragese. Callitriche LINX. Callitriche japonica ENGELM ; FRAMJH. et SAVAT. Enum. PI. Jap. II. p. 369 ; ITO et MATSUM. Tent. Fl. Lutch. p. 205 ; MATSUM. Ind. PI. Jap. H.-2 p. 310. HAB. Taihoku : Koteisho, leg. Y. SHIMADA, Mart. 1915. (Fl. et fr.). DISTEIB. Japan. Compared with a Japanese specimen in the Herbarium at Tokyo. Begoniacese. Begonia LINN. Begonia aptera HAY ATA Mater. Fl. Formos. p. 122. Descriptio aucta: Cymse terminales cum pedunculis circ. 10 cm. longse 15 cm. latse, (pedunculis 5cm loiigis), toto glabrse ; pedicellis ultimis 5-13 mm. longis gracillimis. Flores J : glabri albicantes ; segrnenta 4, exteriora 2 interiora 2 ; exteriora late cordato-rotundata l|-cm. longa totiusque lata apice obtuse rotundata basi subcordata margine Integra ; segmenta interiora obovato-spathulata 9 mm. longa 4mm. lata apice obtusissima basi cuneata subunguiculata margine Integra. Semina numerosa, antheris obovatis l^mm. longis 1mm. latis apice emarginatis basi obtuso-cuneatis. Fl. ^ : segmenta ignota ; ovarium late depresso-globosum 7 mm. longum 10 mm latum ex-alatum glabrum ; styli 3, 4 mm. longi erecti apice 2-fidi, ramis erectis 3 mm. longis tortuosis. HAB. Suisha, leg. B. HAY ATA et S. SASAKI, Mai. 1912; Maisha, leg. B. HAY ATA et S. SASAKI, Jun. 1912. 22 BEGONIACE^E. Begonia ferruginea HAYATA Mater. Fl. Formos. p. 123. Descriptio aucta : Segmenta 5 ; cxteriora 2 majora, interiora 2 minora ; cxteriora late oblonga 10 mm. longa 7 mm. lata plus minus obliqua apice rotundata margine subintegra extus hirsuta iiitus glabra ; segmenta interiora minora ; intimum minimum glabrum oblongum 7 mm. longum 3 £ mm. latum apice obtusum. Styli 2-3 mm. alti semi-infundibuli-forme dilatati 2-fidi ; ramis 2 mm. longis erectis tortuosis vermiformibus. Ovarium hirsutum oblongo-obovatuni 6-7 mm. longum 4 mm. latum obliquum 3-alatum ; ala posteriore elongata transverse sita liiieari circ. 10 mm. longa 4 mm. lata apice obtusissima hirsuta ; alis late- ralibus verticaliter sitis linearibus 8 mm. longis sursum latioribus 1-2 mm. latis deorsum angustioribus ad nullum reductis hirsutis. Capsula ab apice pedicellorum subito deorsum reflexorum pendula 2-locularis teuuiter ferrugineo-tomentosa demum subglabrata (alis exceptis) lineari-obovata 15 mm. longa 5 mm. lata apice subtruncata basi attenuata ad pedicellum abeuns ; ala posteriore quadrangulari- formi 2£ cm. longa l£ cm. kta apice obtusissima tenuiter tomentosa nervosa transverse descendenteque sita; alis latcralibus linearibus verticaliter sitis l^cm. longis 4 mm. latis nervosis tenuiter tomentosis. Semina numerosissima minu- tissima polygono-ellipsoidea reticulata rubro-fulvescentia £ mm. longa. HAB. Arisan, leg. B. HAYATA, Jan. 1912, (typus fructus). The present species is contrasted from B. laciniata ROXB. var. formosana HAYATA in having hairy ovary and hairy outer segments which are oblique- ly oblong and quite rounded at the apex, and in having quite erect branches of the styles. Begonia laciniata ROXB. var. formosana HAYATA Mater. Fl. Formos. p. 124. Descriptio aucta : Fl. f : segmenta 5, exteriora 2 ; interiora 3 ; segmentum cxterius rotuiidatum 8 mm. longum 7 mm. latum apice triangu- lari-obtusum basi rotuiidatum ad insertionem 3 mm. latum margine subinteg- rum ; interiora minora iiisequalia. Styli 2, breviores 1 mm. alti 2-fidi, ramis verniifornic recurvis. Ovarium oblique triquetrum 5 mm. longum ad angulum alatum, alis insequalibus ; ala posteriore quadrangulari-formi 4 mm. longa 3 mm. lata ovario transversum sita, alis lateralibus angustissime linearibus 3 mm. longis 1 mm. latis. Flores cum ovario alisque toto glabri. HAB. Mai, Juli. 1912, leg. B. HAYATA. ARALIACEJE. 23 Araliaceae. Heptapleurum GAERTX. Heptapleurum arboricolum HAYATA sp. nov. (PI. IV.) Sehefflera arboncola HAYATA. Frutex circ. 3-4 m. altus ramosus, raniulis crassiusculis sursum 7-8 mm. in diametro dcnsiuscule leiiticellatis, lenticellis oblongis 2-3 mm. loiigis sursum foliatis. Folia alterna longe petiolata palmatim 7-8-folio- lata, foliolis ccntralibus majoribus, basilaribns minoribus, totis petiolulatls ; folio- lum centrale obovato-oblongum 9 cm. longum 4 cm. latum apice obtusissimum ad centrum summi cmarginatuni deorsum angustius ad cxtremitatem obtusum margiiie integerrimum, costa supra minus subtus plus elevata, vcnis venulis supra plus subtus minus clevatis, utraque pagine glabcrrimum, supra uitidum subtus glaucum pallidum, venis lateralibus primariis utroque costse latere 5-6, mediis a costa angulo 45° egressis subrectis sursum arcuatis apice ramosis, venulis clevato-reticulatis, petiolulis 3j— 2jcm. longis semi-teretibus sursum sulcatis stibalatis basi cum apice petioli articulatis glabris; petiolis communibus 12-1 5 cm. longis teretibus glabris subrectis apice subito sursum recurvis basi valde dila- tatis, partibus dilatatis auriculi-formibus, auriculis 5 mm. longis et latis semi- rotundatis coriaceis. Racemi terminales vel ad axillas foliorum apicalium siti sim- plices vel paniculato-umbellatim dispositi ; racemis vel raniis panicularum subaequi- longis 20 cm. longis in ambitu cylindricis remote raniulosis, ramulis sequilongis 1 cm. longis divaricatis apice flores umbellatim circ. 10 gerentibus subglabris vel liirsutis, bracteis caducis ignotis, pedicellis florum 5-7 mm. longis radiatim divaricatis rectis glabris vel sparse hirsutis apice plus minus dilatatls ad calycem abeuntibus. Calyx depresso-campaiiulatus 1£ mm. longus 2 mm. in diametro margine integer vel obscure dentatus, dentibus minutis haud distinctis. Petaia 5-7 liiicari-triangularia 2^- mm. longa 1-1^ mm. lata apice acuta ad summum interdum intus cornibus instructa basi plus minus coiitacta 3-uervia glabra. Stamina 5-7, ad marginem disci inserta, filamentis glabris filiforniibus complanatis 2| mm. longis, antheris late rotundatis 1 mm. longis totiusque latis apice basique 2-lobatis. Discus pulvini-formis. Stylus subnullus, stigmate depresso-rotundato 1^ mm. in diametro £ mm. alto. Ovarium 5-7-loculare, loculis 1-ovulatis. Fructus obovoideo-globosus 5 mm. longus 4 mm. latus distincte 5-6-sulcatus. 24 CAPRlFOLJACJ-Li:. HAB. Toyencho : Kappaiisan, ad truiicos Fici insularis crescens, leg. S. SASAKI, Nov. 1915. Near Heptaplcurum octophyttum HANCE ; but distinguishable from it by the much smaller, thicker, coriaceous leaves and in the very depressed rounded stigmata. H. octophyttum is terrestrial, but this new species is always found to be epiphytic. Caprifoliaeeae. Lonicera LINN. Lonicera oiwakensis HAY ATA sp. nov. (PL V.) Frutcx 1-2 m. altus, ramis rectis striatis teretibus, cortice cinerascenti minute iimricato haud hirsute longitudmalitcr fisso et soluto, ramulis divaricatis strigoso-pilosis rectis foliifcris teretibus. Folia opposita elliptica rigide coriacea 2£ cm. longa 1$ cm. lata apice cmarginata vel rotimdata basi rotuiidata vel truiicata margine Integra setulosa, costa supra impressa subtus clevata, venis supra impressis subtus elevatis, vcnulis reticulatis supra tenuiter impressis subtus elevatis, pagina supra scaberrima ad centrum reticuloruin setula instructa, subtus ad venas venulas strigoso-hirsuta, in exsiccate supra fuscentia subtus fulvo-flavescentia, venis lateralibus primariis utroque costre 4 arcuatis, petiolis 2-3 mm. longis hirsutis supra sulcatis basi triangulari-dilatatis ad pulviiium abeuntibus, pulvinis folio- rum cum iis oppositis fere amplexicaulibus. Flores subpenduh' subalbi apice plus minus rosei a basi raniuli hornotini brevis 1-2 cm. longi oriundi, pedunculis gracilibus nutantibus 1 cm. longis vel interdum ad nullum reductis valde compknatis strigoso-scabris apice 2-bracteatis flores geminatim geren- tibus, bracteis oppositis linearibus falcatini recurvis 8 mm. longis 1 mm. latis acuniinatis margine integris setulosis supra tenuiter hirsutis subtus costatis, ad costas setuloso-hirsutis. Calyx viridis cum eo opposite latere interiore tote connatus, tubo obcoiiico-cylindrico glabro 2 mm. longo 1 nun. late apice trun- cate basi cuneato, limbo cupuli-formi campanulato extus intusque glabro 1 mm. alto 2 mni. in diametro margine tenuiter et irregulariter 5-lobato, lobis apice rotundatis margine ciliolatis. Corolla alba apice rosea tubuloso-infundibuliformis, tubo 7 mm. longo 2 mm. late basi obliquo valde oblique contracto latere anteriore prope basin gibboso extus setuloso-hirsuto intus strigoso-hirsuto, limbo CAPRIFOLlACtLE. 25 2-labiato, labio superiore latiore 7 mm. longo totiusque lato utraque glabro retrorse reflexo apice 4-lobato, lobis oblongis apice rotundatis apice concavis integris ; labio inferiore lineari-oblongo 8 mm. longo '4 mm. lato apice obtusi- ssimo margine integro. Stamina 5 infra apicem tubi affixa exserta, filamentis eirc. 6 mm. longis subglabris teretibus, antheris oblongo-linearibus 2^ mm. longis albis. Stylus albus columnari-filiformis 1 cm. longus glaber apice plus minus latior, stigmate viridi subtcrminali peltato oblongo 1 mm. longo sub- oblique peltatim ad apicem styli sito ; ovarium infer um 3-loculare, loculis 4- 5-ovulatis. HAB. Muslia : Oiwake, ad 8750 ped. alt., leg. B. HAYATA, Aprili. 1916. Near L. Morroirii ; but differs from it in the pubescence of the leaves. Hairs on the leaves of this new species are much stouter having a conical dilated base, while those of L. Morrowii are much more slender without any conical base. Lonicera transarisanensis HAYATA (Fig. 2) n. n. Lonicera angustifolia HAYATA (non RAFFIN) Ic. PI. Formos. II. p. 75. Descriptio aucta : Corolla glabra tubuloso-campanulata, tubo 12 mm. longo basi 1 mm. lato apice 3 mm. lato extus glabro intus densissime hirsuto, limbo expanso-campanulato 2-labiato, labio infe- riore lineari llmm. longo 3mm. lato apice obtusissimo basi hand contracto 7-8- nervio (nervis subpalrallelis) subtus glabro supra versus basin piloso, labio superiore deorsum recurvato margine latere integro rotundato 9 mm. longo totiusque lato apice in ambitu truncate vel emarginato erecto-patenti margine latere exteriore Fig< 2> Lomcera HAYATA ; a, a pair of flowers ; b, a flower ; plicato-recurvo apice 4-lobato, lobis 2- c, corolla expanded ; d, ovaries ; e, cross kteralibus majoribus late triangularibus section of an ovary; a' b' c' d' nefirly natural size. 3 mm. longis 4 mm. latis apice ob- tusissimis concavis margine exteriore integris iiitcriore denticulatis basi latere interiore auriculis singulis triangukribus deorsum recurvis instructis, lobis 2-mediis minoribus rotundato-triangularibus 2| mm. latis apice obtusissi- 26 COMPOSITE. mis basi hand coiitractis marginc integris ; labio superiore extus glabro intus basi plus minus hirsute. Stamina 5 ab apice tubi corollse oriunda, filamentis triquetris circ. 8 mm. longis deorsum hirsutis sursum glabris 1-nerviis, aiitheris linearibus 5 mm. longis 1 mm. ktis apice obtusis basi bilobatis, lobis 1 mm. longis, versatilibus. Stylus filiformis 2 cm. longus cxsertus dense pilosus (basi apice excepto) sursuni glaber, stigmate globoso 2 mm. lato leviter 3-lobato. HAB. Arisan, ad 2500 in. alt., leg. U. FAURIE, Junio 1914, (No. 359). Near L. Henryi HEMSL., but differs from it in having quite glabrous peduncles, and in the costas of the leaves which are, in this new species, brownish hairy. Compositae. Chrysanthemum LESS. Chrysanthemum arisanense HAYATA sp. nov. (PL VI.) Herba basi suffrutescens 40 cm. longa molle lanuginoso-hirsuta. Caulis simplex hand ramosus teres 2 mm. in diametro sectionis erectus. Folia radicalia ignota ; caulina petiolata pinnatisecta in ambitu ovata 5 cm. longa 3 cm. lata apice acuminata basi truncata vel truncato-cordata, segmentis circ. 5 ; segmcnto tcrmi- nali ovato-lanceolato 3 cm. longo 13 mm. lato apice acuminato basi ad rhachin attenuate laciniato-pinnatilobato, lobis linearibus vel serri-formibus aseendentibus apice cuspidatis acutis superiore leviter recurvis, segmentis lateralibus ovato- lanceolatis vel oblanceolatis oppositis laciniato-pinnatilobatis, apice acutis basi attenuatis; rhachis 2-1 mm. lata; pagina supra brevissime parce sed ad nervos venasque dense crispato-hirsuta subtus dense adpresso-hirsuta, pilis subalbi- cantibus ; petioh's 2 cm. longis dense hirsutis dorso complanatis ; folia superiora rninora. Capitula 3-4 ad apicem caulis sub-umbellatini disposita, (pedunculis 2£ cm. longis adpresse hirsutis) rotundato-campanulata 8 mm. longa 10 mm. lata. Involucrum rotuiidato-obconicum 7 mm. longum, bracteis 3-seriatim dispositis, extimis brevissimis oblongo-ovatis 4 mm. longis 2 mm. latis dorso carinatis (ad carinam hirsutis) scariosis apice acutis basi hand coiitractis intus glabris, mediis longissimis oblongis 6| mm. longis 3 mm. latis apice obtusis basi ad insertionem 1 mm. latis dorso 1-carinatis intus concavis scariosis utraque glabris, intimis oblanceolatis 6 mm. longis 2 mm. latis apice obtusis basi attenuatis COMPOSITE. 27 ad insertionem f mm. ktis dorso tenuiter cariiiatis scariosis utraque glabris. Flores niarginales 1-seriatim ? dispositi liguliformes foeminei. Corolla liii- guifbrmis, tubo subnullo vel | mm. longo, lamina lineari-oblonga 6 mm. longa 1$ mm. lata apice obtusa basi breve attenuata. Styli 2 J mm. longi apice 2- fidi, ramis dorso complaiiatis linearibus circ. 1 mm. longis •/$ mm. latis utroque latere stigmatiferis apice truncatis breve pectinatis. Flores disci tubiformes hermaphroditi glandulis globosis minutis parce conspersi, tubo 1£ mm. longo ^-^-mrn. lato cylindrico, linibo campanulato-tubuloso 1|— l^nun. longo 1 nun. lato apice 5-lobato, lobis triangularibus ^mm. longis totiusque latis apice acutis. Stamina 5 basi limbi oriunda, filamentis filiformibus glabris, antheris linearibus cum appendicibus connectivorum 1^ mm. longis -/$—& mm. latis apice appendiculatis, appendiculis linearibus apice acuto-obtusis -^ mm. longis &~/5 mm- latis, basi brevissime auriculatis. Styli ut floris fceminei. Achse- nium ellipsoideum utrinque obtusissimum plus minus obliquum If mm. longum 1 mm. latum fusco-purpurascens. HAB. Arisan, in rupibus rara, leg. U. FAURIE, Dec. 1914, No. 1427. Near Chrysanthemum indicum, but differs from it in having more deeply laciniate leaves. Gerbera GROX. Gerbera integripetala HAYATA sp. nov. Folia radicalia circum basin scapi 5-6 disposita in ambitu oblonga 3 cm. longa 18 mm. lata margine inferiore utroque latere profunde sinuata (sinibus circ. 1 cm. longis 3 mm. latis, margine leviter dentatis, dentibus brevissimis interdum ad aristam reductis apice breve aristatis, aristis a se 4 mm. remotis), membranacea supra glabra subtus molle albo-tomeiitosa apice acuta basi obtusa, petiolis 4cm. longis albo- lanuginoso-tonientosis basi gradatim dilatatis. Scapus simplex 15 cm. longus erectus rectus albo-lanuginosus versus apicem 2-3-bracteatus, bracteis linearibus adpressis 6 mm. longis acuminatis dorso costato-carinatis. Capitula siniplicia erecta obconica 12 mm. longa ; bracteis involucri 2-seriatiui dispositis, exterio- ribus minoribus erecto-linearibus 4 mm. longis dorso costatis obtusis lanuginosis interioribus longioribus linearibus rectis 7 mm. longis apice truncatis 1 mm. latis. Flores f ligulares marginales 1-seriatim dispositi extus purpurei intus albi, tubo corolla) 3 mm. longo, limbo liguliformi lineari 8 mm. longo apice 28 ERICACEAE. truncate vcl rarius obscure dentate- glabro ; styli simplices ; setae pappi scabridse ; achsenia liucaria liirsuta. Fl. ^ : tubo corollae 4 mm. longo glabro ; limbo 5-partito, partibus 2 distinctis, 3 coimatis linearibus obtusis glabris deorsum recurvis ; antheroa lineares cum appendicibus et caudis 2£ mm. longse apice appendiculatse, appendicibus apicalibus lineari-oblongis £ mm. longis obtusis, basi sagittatse caudis simplicibus -| mm. longis instructs ; filamentis complanatis gla- bris. Stylus columnaris 6 mm. longus glaber apicc 2-lobatus, lobis complanatis subrotundatis stiginatosis, basi haud dilatatus ; stylophorum nullum. Discus annuliformis £ mm. altus. Achsenium hirsutuni maturtim ignotum. HAB. Gokwanzan, leg. B. HAYATA, Aprili. 21, 1916. Approaches to G. Anandria, but differs from it in having nearly entire corolla-lips of the marginal flowers, and in the pappus-hairs. Lactuca LINX. Lactuca vercicolor Scu-Bir. ; MATSUM. et HAYATA Enum. PL Fornios. p. 212. The Japanese plant has pale white or very slightly purpurascent flowers, while the Formosan has bright yellow ones. The two (Japanese and Formosan) are, therefore, not exactly identical. The Formosan should be regarded as a variety of the Japanese species. Ericaceae. Rhododendron Lixx. Rhododendron Morii HAYATA Mater. Fl. Formos. p. 173, et Ic. PI. Formos. III. p. 139. Descriptio aucta : Flores ad apicem rarnoruni 5-10 quasi-umbcllatim (cymose) congesti, mnbellis basi perulis multis deciduis suffultis ; perulis exterioribus obovatis circ. 2 cm. longis 1 cm. latis valde concavis cori- aceis apice breve apiculatis brevissime hirsutis, interioribus gradatim elongatis circ. 3 cm. longis ; bracteis basi pedicellorum sitis angustato-linearibus 3 cm. longis 7 mm. latis apice breve cuspidatis (cuspidibus 4 mm. longis) extus plus intus minus sericeo-hirsutis ; bracteolis lineari-filiformibus 8 mm. longis hirsutis ; pedicellis circ. 2 cm. longis brevissime hirsutis. Calycis lobi triangulares vel semi-rotundati 1 mm. longi 1| mm. lati margine ciliolati vel haud ciliolati extus parce hirsuti intus glabri, ciliolis clavatis brevissimis. Corolla canipanulata STYRACEJE. APOCYXACEJE. 29 plus minus obliqua rosea vel albescens intus latcre superiore rubro-puiictata, tubo obconico 2 cm. longo, lobis 5 rcniformibus 1-1 £ cm. longis latioribus quam longis apice rotundatis basi plus minus cordatis. Stamina 9-12, fila- mentis insequalibus basi dilatatis hirsutis, antheris lineari-ellipticis 3^-4 mm. longis 2-locularibus apice 2-porosis. Ovarium conicum ellipticum 5-6 mm. longum basi 3 mm. latum hirsutum. Styli 3 cm. longi hand exserti /^-formiter recurvi basi excepto glabri, stigmate brevissime 5-6-lobato ; discus lobulatus obscurus. HAB. Mt. Arisan, leg. B. HAYATA, Mart. 1914. Styraeeae. Symplocos Lixx. Symplocos theifolia HAYATA n. n. Symplocos adinandrifolia HAYATA var. theifolia HAYATA Ic. PI. Formos. V. p. 96. HAB. Kuraru, leg. H. IXABA, Aug. 1911. Apoeynaeeae. Anodendron A. DC. Anodendron suishaense HAYATA sp. nov. (PL VII.) Frutex scan- dento-volubilis. Rami et ramuli teretes fusco-purpurasceiites sublseves, ramulis gracilibus. Folia opposita coriacea lauceolata vel oblanceolata 8-1 1 cm. longa ljf-2£ cm. lata apice acuta vel breve acuminata basi cuneata vel cuneato-acuta margine integra glabra supra iiitida atro-viridia subtus pallida, costa supra subplana subtus elevata, venis lateralibus primariis utroquc latere 7—8 basi rectis a costa angulo 60° egressis sursum subito arcuatis cum iis superioribus conjunctis, jietiolis 1-1 1- cm. longis supra sulcatis glabris. Cynise paniculatse terminales cum peduiiculis 7 cm. longse glabrse, pedunculis 2 cm. longis, ter- natim ramoste, ramis rectis divaricatis ad ramificationeni 1-bracteatis, bracteis oppositis triangularibus 2mm. longis l^mm. latis cuspidato-acutis glabris dorso carinatis, pedicellis 2 mm. longis rectis glabris apice 2-bracteolatis, bracteolis oppositis ovatis l|mm. longis | mm. ktis apice acutis. Calyx glaber 5-par- titus, sepalis ovato-triangularibus 2 mm. longis 1 mm. latis apice acutis basi haud vel vix contractis dorso plus minus crassiusculis margine plus minus 30 LOGANIACEJE. ciliolatis ; squamae inter scpala minutse lepidiforines ^ mm. longae crassiusculse glabrse. Corolla flava hypocrateriformis, tubo 4 mm. longo cxtus glabro deorsum plus minus latiore 1| mm. lato sursnm angustiorc f mm. lato intus dense hirsuto, lobis dextrorsuni obtegentibus patentissimis tortuosis oblique cultriformi- linearibus 5-6 mm. longis 1^ mm. latis falcatim recurvis extus glabris, intus latere uno glabro latere uno hirsuto. Stamina 5, filamentis brevissimis totis basi tubo corolla) connatis apicc sublibcris intus plus minus hirsutis, antheris lineari-sagittiformibus 1| -mm. longis ^ mm. latis apice acuminatissimis basi sagittatis apicc ad appendiculam membranaccam productis. Discus 5-dentatus circum ovarium situs, dentibus triangular ibus obtusis ^ mm. longis. Ovarium 2-partituni, stigmate breve stipitato cqnico £ mm. longo, stipitc ^ mm- longo toto glabro ; partitis ovarii depresso-globosis £ mm. longis apice obtuso. truncatis. HAB. Monte Suisha, leg. B. HAYATA, Mai. 1916. Near Anodendron Iceve ; but differs from it in the much smaller yellow flowers. Loganiaceae. Gardneria WALL. Gardneria Shimadai HAYATA sp. nov. Frutex, ramis et ramulis tere- tibus sublsevibus fuscentibus, squaniis triangularibus 2 mm longis oppositis hac atque iliac instructis. Folia opposita ( jugis a se 3 cm. remotis) lanceolata clmrtacea 8jcm.-llcm. longa 27-33 mm. lata apice obtuso-acuminata vel triaiigulari-acuminata basi obtusa margiiie intcgerrima tenuitcr deorsum revurva utraque glaberrima supra viridissima subtus pallidissima, costa supra tenuiter elevata vel impressa subtus tenuiter prominenti, venis lateralibus prmiariis utroque latere costse 9-10 rectis a costa angulo 20—30° egressis ad medium furcatim ramosis utraque pagine tenuiter elevatis, petiolis 7 mm. longis supra late sulcatis. Flores ignoti. Cymse fructiferse circ. 3 cm. longso glabrse pauci- raniosse, fructus 1-2 gerentes. Bacca globosa in exsiccato nigricans. HAB. Tikushizan, leg. Y. SHIMADA, Mart. 1915, (fructus). Near Gardneria nutaus S. et Z., but differs from it in the much thicker leaves which arc lanceolate and triangularly acuminate at the apex. GEXTIAXACE^E. ' BORAGIXE^E. 31 Gentianaeeae. Swertia Lixx. Swertia shintenensis HAYATA sp. nov. Herba annua 45 cm. alta erecta mcdio sursuni ramosa. Folia radicalia ignota. Folia caulina opposita oblongo-ovata 6 cm. longa 3 cm. lata apice acuminata basi rotundato-cordata sessilia caulem semi-amplectantia marginc iiitegerrima crassiuscula glabra, venis prirnariis later- alibus paucis, vcnulis rcticulatis ; foliis ramorum floriferorum minutis lanceolatis 1 cm. longis 3 mm. latis apicc acuminatis basi attenuatis ramos semi-amplectanti- bus oppositis glabris. Flores latissime cymosi, pedicellis 2-3 cm. longis. Calyx late campanulatus altc 4-lobatus, lobis seuii-rotundato-triangularibus 4mm. longis totiueque latis apicc cuspidato-acutis vel acntis basi latissiniis baud coii- tractis obscure trinerviis glabris integris. Corolla campanulata altissime 4-fida, tubo 2 mm. longo, scgmentis oblongis 17 mm. longis 9 mm. latis apicc triangulari-acutis ad summum obtusis basi 3 mm. latis 5-nerviis vel obscure multi-iierviis, venulis reticulatis glabris intus medio 1-maculatis, maculis obtuse quadrangularibus 4|-5 mm. longis 4 mm. latis. Stamina 5 e basi loborum corollse oriunda, filamentis dorso complanatis glabris linearibus 5—6 mm. longis basi latissimis 2 Dim. latis sursum gradatini angustatis apice subulato-linearibus distincte 1-nerviis, antheris ovato-linearibus 4£ mm. longis 2— 2J- mm. latis apice obtusis basi alte 2-lobatis; lobis 2 mm. longis. Ovarium cum stipite 7 mm. longum obovoideum plus minus complanatum 4^ mm. latum, stipite circ. 2 mm. longo 3 mm. lato, stylo validissimo 4 mm. longo columnari-coniformi basi 3 mm. lato sursum angustiore apice stigniate 2-partito coronato ; seg- mentis stigmatis ovatis l^mm. longis 1mm. latis lamelliformibus horizontaliter dispositis. HAB. in monte Sliinten, 2400 ped. alt., leg. U. FAUEIE, Nov. 1914, (No. 1256). Near Swertia Kuroiwai MAKIXO. \ Boraginese. Cordia Lixx. Cordia Kanehirai HAYATA sp. nov. Frutex ? Ramuli fulvo-cinerascentes 32 BORAGINILE. hirsuti. Folia chartaeea laiiceolato-ovata vel lanceolata 9-14 cm. longa 2|-6 cm. lata apice acuminata versus sumiunin lincari-aeuminata basi acuta vel obtusa, costa supra minus subtus plus elevata, venis lateralibus primariis utroque latere costee 5-6 arcuatis utraque elevatis, venis secundariis et venulis obscuris, mar- gine remote serrulata vel subintegra, serrulis a se 7 mm. remotis apice inte- riore recur vis, utraque pagine hirsuta in cxsiccato supra fusca subtus pallidiora, petiolis 7-20 mm. longis. Cynise terniinales dense floratre dense brevissime hirsute. Alabastrum floris : calyx-tubus oylindricus 4 mm. longus 2| mm. latus 10-sulcatus cxtus ftilvo-hirsutus ; lobis 5 niinutis setuliformibus interiore recurvis. Corolla staminaque ignota. Bacca ? ellipsoidea 13 mm. longa 8 mm. lata 1-pyreua ; pyrenis oblique ellipticis utrinque obtusis grosse obtuseque spinoso-tuberculatis, testis crustaceis ; semina ignota. HAB. Koslmn : Kuraru, leg. R. KAXEHIRA, Jan. 1914, (No. 7). Near Gordia Cumingiana. Trigonotis STEV. Trigonotis elevato-venosa HAYATA sp. nov. Herba humilis percnnis cum pedunculis circ. 15 cm. longa erecta gracillima hand vel pauce ramosa in exsiccato ferrngineo-liirsuta, stolonibus gracillimis 15-20 cm. longis. Folia radicalia longe petiolata perfecte elliptica 2-2^ cm. longa 10-13nim. lata apice rotundata plus minus emarginata et ad centrum brevissime mucronata basi obtusa margine integra vel crispato-undulata supra viridia hand nitida subtus pallida, costa supra impressa subtus elevata, venis supra elevatis sed subtus impresses, utraque pagine adpresse pubcscentia, venis lateralibus 4-5 rectis angulo 45° a costa cgressis per venam marginalem conjunctis, venis marginalibus a margine 1-2 mm. distantibus, petiolis longissimis 3-4 cm. longis ; foliis stolonis minoribus breve petiolatis rotundatis 8 mm. longis. Caulis apice 2- ramosus vel simplex apice ad raccmos abeuns. Raccmi graciles 8 cm. longi recti simpliccs vel rarius a basi furcatim uni-plo ramosi hirsuti, ramis simpli- cibus rectis erectis secunde floriferis, pedicellis hirsutis 2 mm. longis hand bracteatis. Calyx viridis 5-partitus, segmentis obovato-spathulatis apice obtusis cxtus strigoso-liirsutis intus minute hirsutis 1-|- mm. longis -|-| mm. latis. Corolla alba rotata, tubo glabro l|mm. longo 1| -mm. la to basi truncato haud contracto, limbo 5-partito, segmentis rotundatis basi plus minus cimeato- CONVOLVULACE^E. 33 contractis 1^ mm. in diametro gkbris. Disci 5 ad basin loborum corollse affixi flavi pulviniformes £ mm. lati \ mm. longi orem tubi fere obtegentes. Stamina 5, filamentis filiformibus brevissimis j mm. longis, antheris oblongis |-£ mm. longis. Ovarium obconicum apice truncatum £ mm. longuin glabrum, stylo columniformi f mm. longo, stigmatc globoso-peltiformi hand lobato ; ovarium 4-5-partitum. Nuculse 4-5 tetrahedri-formes circ. 1 mm. longse nitido-nigrse laeves ad angulos acutse. HAB. Giran: Soseikyaku, leg. B. HAYATA, Mai. 11, 1916. Remarkable for the leaves with costa impressed above but elevated below, and veins elevated above but impressed below. Convolvulacese. Parasitipomcea HAYATA n. g. Parasitipomsea formosana HAYATA sp. nov. Parasitica aphylla ; caulis tereto-filiforrnis circ. 1 m. longus 2-2£ mm. in diametro. Flores cymose 2-3- congesti, cymis longe pedunculatis, peduiiculis 10cm. longis tereto-filiformibus lateraliter sitis, pedicellis |-1 cm. longis basi bracteis instructis, bracteis linea- ribus 2 cm. longis 2 mm. latis apice acumiiiatis glabris vel multo niinoribus. Calyx 5-partitus, partibus valde iiisequalibus 3-exterioribus latioribus oblongo- linearibus 2| cm. longis 7 mm. latis apice acuminatissimis iiitegris extus tonuiter hirsutis intus glabris, 2-interioribus aiigustissime linearibus 2mm. latis apice acuminatissimis. Corolla iiiftmdibuliformis, tubo 4cm. longo, limbo 5-lobato. Stamina 5, fikmentis basi corollse ad 5 mm. altitudiiiem affixis basi dense barbatis caeterum glabris filiformibus circ. 2 cm. longis, antheris lineari- bus 3£ mm. longis f mm. latis apice obtusis basi profunde 2-lobatis, lobis circ. 1 mm. longis \ mm. latis obtusis. Discus circum ovarium situs aimuliforniis \ mm. altus. Ovarium ovoidcum 1^ mm. longum glabrum 3-locularc, loculis 2-ovuliferis, stylo filiformi ereato recto 3 cm. longo, stigmate terminali 2-partito, partibus globosis sessilibus se contactis minute kmelkto-botryoideis. Fructus ignotus. HAB. Ako : Tanashu, leg. G. NAKAHAEA, Jan. 1907. Flowers are nearly the same as those of Ipomcea. But, its parasitic and leafless habit is so remarkable that it is sufficient to establish a new genus for it. 34 SCROPHULARIACfLE. GESNERACE^E. Serophulariaeeae. Microcarpcea R. BB. Microcarpaea muscosa R- BR. ; BENTH. Fl. Hongk. p. 253 ; HOOK. f. Fl. Brit. Ind. IV. p. 287 ; HEMSL. Ind. Fl. Sin. II. p. 192 ; MATSUM. et HAYATA Enum. PI. Formos. p. 283. Herba minutissima subaquatica repens 3—4 cm. longa ad iiodos radicans. Caalis teres £ mm. in diametro l-nervratus glaber. Folia opposita glabra lineari-spathulata 2-3 mm. longa £ mm. lata apice obtusissima 1-ncrvia margine integra basi attenuata caulem semi-amplec- tantia. Flores axillares sessiles solitarii. Calyx erectus tubuloso-campanulatus 1 mm. longus £ mm. latus extus sparse hirsutus intus glaber apice 5-lobatus, lobis ovato-linearibus £ mm. longis £ mm. latis obtusis basi haud contractis margine ciliolatis. Corolla ihclusa 1 mm. longa £ mm. lata 2-labiata glabra margine minute ciliolata intus sub microscopio glanduloso-hirsuta, labio superiore minuto ^ mm. longo 2— lobato, lobis obtusis, labio inferiore majore % mm. longo f mm. lato 3— lobato, lobo medio oblongo-cuneato apice truncate, lobis lateralibus oblongis apice obtusis. Stamina 2 inter lobum centralem et lobos laterales labii infferioris inserta e medio tubi oriunda, filamentis £ mm. longis glabris, antheris reniformibus 2-locularibus. OvTarium oblongum -J mm. loiigum glabrum 2-loculare, stylo columniformi £ mm. longo glabro apice oblique truncate stigmatifero. HAB. in oryzatis Tamsui, leg. U. FAUEIE, Nov. 1914. Compared with a Japanese specimen so named in the Herbarium at Tokyo. Gesneraeeae. Xthychoglossum BLUME. Rhychoglossum ? Sasakii HAYATA sp. iiov. Herba annua ? basi ascendens radicans, radicibus fibrosis. Caulis erectus circ. 10 cm. longus crispato-hirsutus, pilis patentibus. Folia alterna breve petiolata obliqua ovato- oblonga 6^ cm. longa 3cm. lata apice acuta vel acuminata basi valde obliqua, latere inferiore rotundata vel rotundato-cordata, latere superiore cuneato-acuta, latere inferiore 20 mm. lato latere superiore 12 mm. lato, costa basi interiore VERBENACE^E. 35 leviter falcato-recurva, margine subintegra vel obscure crenulato-serrulata membranacea supra plus subtus minus hirsuta, petiolis brevissimis 3 mm. longis. Flores racemosi, racemis subsimplicibus seaunde floriferis, pedicellis 3 mm. longis hirsutis. Calyx 4-partitus plus minus obliquus, segmentis ovato-oblongis 2| mm. *ongis 2mm. latis apice obtusissimis basi plus minus obliquis sparse hirsutis. Corolla oblique tubosa 9 mm. longa 3 mm. lata apice 2-labiata, labio superiore late semi-rotuiidato 1 mm. longo 2 mm. lato apice perfecte rotundato, labio inferiore 3|mm. longo 4-4 £ mm. lato 3-lobato, lobis latcralibus oblongis latere exteriore 2 mm. longis latere iiiteriore 1 mm. longis basi hand contractis, lobo terminali 2 mm. longo 1| mm. lato, extus glabra intus latere inferiore longe hirsuta, pilis superioribus circ. 1 mm. longis apice globuliferis, pilis inferioribus haud globuliferis. Stamina 4 basi corollse affixa, filamentis 3 mm. longis basi glabris sursum hirsutis complanatis ^mm. latis apice spathulatis 1-nerviis margine dense hirsutis ; antherse uniloculares, loculis ad apicem filamentorum oblique sitis ^-formibus cordato-reniformibus latere exteriore fusco-hirsuto latere interiore glabro. Ovarium depresso-globosum l£mm. longum 2mm. latum glabrum, stylo 1^ mm. longo columniformi apice dilatato 3-lobato. Discus ad latus anterius ovarii situs |- mm. longus 1 mm. latus crenulatus. Capsula depresso-globosa 2| mm. longa 3 J mm. lata membranacea. Semina fusiformia rubescentia ^mm. longa elegante tortuose striata, testa Crustacea. HAB. Urai, leg. S. SASAKI, Sept. 1915. As the specimens are too imperfect, the generic determination is rather conjectural. Verbenaeeee. Callicarpa LINN. Callicarpa antacensis HAYATA sp. nov. Frutex? Eami sublseves palHdo-cinerascentes, ramulis brevissime densissinie villosis. Folia chartacea oblonga vel rhomboideo-oblonga 10-12 cm. longa 5-7 cm. lata apice acuta sed ad summum obtusa basi triangulari-acuta vel -obtusa margine subintegra vel tenuiter serrulata paucissime hirsuta vel subglabrata glandulis minutis dispersa subtus dense vel parce stellato-tomeiitosa, pilis stellatis ^ mm. in diametro, costa supra tenuiter subtus prominente elevata, venis lateralibus 36 AKISTOLOCHIACEJE. primariis utroque latere costse 8-9 subrectis vel plus minus recurvis supra tenuiter subtus prominente elevatis, venulis inter vena-s transversis supra hand subtus distincte elevatis, pagine subtus pallidissima glandulis flavis minutis deiisissime conspersa, petiolis 7 mm. longis dense breveque stelkto-tomentosis. Cymse ad axillas foliorum superiorum sitse densissime floratse brevissime stclkto-tomentosse, tomentis demum solutis, pedicellis brevissimis supra basin articuktis, partibus supra articulationem 1 mm. longis glabris apice ad calycem abeuntibus. Calyx tubuloso-obconicus 1£ mm. loiigus totiusque latus apice subtruncatus margine 4-5-dentatus, dentibus brevissimis vel obscuris, extus glandulis minutis conspersus intus glaber. Corolla tubuloso-campanulata 4|-5 mm. longa 2^ mm. kta generaliter 4-lobata, lobis subrotundatis 1£ mm. longis totiusque latis apice rotundatis basi baud contractis, extus intusque glabra. Stamina 4 exserta, fikmentis filiformibus glabris 4—5 mm. longis sub- crispatis supra basin corollse insertis, antheris ellipticis 2 mm. longis 1 mm. latis dorso valde compressis apice emarginatis basi emarginato-sagittatis clorso facieque prope medium densissime glandulis minutis conspersis, baud versatili- bus. Ovarium oblongum 1 mm. longum f mm. latum gkndulis minutis densissime conspersum, stylis 7-8-mm. longis filiformibus glabris apice ad stig- mata dilatatis. HAB. Kotosho, leg. T. KAWAKAMI et S. SASAKI, Juli. 1912, fl. (No. 38). Near Gallicarpa cana LJXN. ; but differs from it in having obtusely serrulate leaves. Aristoloehiaeeae. Aristolochia LINN. Aristolochia Shimadai HAYATA sp. nov. Herba volubilis basi suflru- tescens. Caulis subglaber teres tortuosus multo-striato-sulcatus sursum patento- hirstitus. Folia jalterna petiolata oblongo-reniformia circ. 10cm. longa circ. 6 cm. lata, partibus superioribus oblongis 6 cm. longis circ. 4 cm. latis apice obtusissimis, partibus inferioribus reniforniibus 4cm. longis 5^- mm. ktis, basi auricukta, auriculis interiore recurvis (ab apice petioli usque ad apicem auricula? 1 1- cm. longis 2 cm. ktis) margine subintegra 5-7-nervia chartacea, nervis et venis venulis supra leviter elev^atis subtus valde elevatis, supra minus subtus LAURINEJE. 37 plus dense villosa, venulis reticulatis, petiolis circ. 3 cm. longis villosis. Flores axillares solitarii, pedicellis 2-3 cm. longis villosis medio 1-bracteatis, bracteis ovatis apice obtusissimis basi latis pedicellum amplectantibus 5 mm. longis 4 mm. latis extus sericeo-villosis intus subglabris. Ovarium inferum subnutans densis- sime pateiitissime villosum (pilis 1 mm. longis) 8 mm. longum 2 mm. latum profunde 6-sulcatum 6-loculare, (loculis 1-seriatim ovuliferis), sulcis Jmm. latis, angulis obtusissimis in sectione rotundatis. Perianthium y-formiter recurvum extus minute brevissime villosum simul longe hirsutum intus deorsum minute tuberculatum sursum glabrum Iseve, tubo U-fornii 2 cm. longo e basi supra medium 6 mm. lato supra medium usque ad apicem angus- tato 3-4 mm. lato, limbo ad apicem tubi oblique verticaliter sito 1^-cm. longo totiusque lato piano parce minuteque hirsuto ^7-formi centro circum orem tubi oblique minute elevato-annulato reticulate. Stamina 6 cum styli connata sessilia, antheris linearibus inter strias stigmatiferas styli geminatirn sitis 2 mm. longis f mm. latis apice brevissime apiculatis. Stylus columniformis crassus 3mm. longus cum antheris 1| mm. crassus apice 3-lobatus supra antheras 1 mm. productus, lobis semi-rotundatis 1 mm. longis l£ mm. latis. HAB. Shimpo, Shinchikucho, leg. Y. SHIMADA, Dec. 15, 1915. Near Aristolochia Kcempferi WILLD., but distinguishable from it in much longer leaves and smaller flowers. Also resembles A. Fordiana HEMSL., but differs from it in having quite obtuse leaves. Laurineae. Beilschmiedia NEES. Beilschmiedia erythrophloia HAYATA Ic. PI. Formos. IV. p. 20 et V. p. 150. Descriptio aucta : Flores pallido-flavescentes laxe paniculati ; paniculis ad ramulos horiiotinos laterah*ter vel axillariter dispositis divaricatis cum pedunculis 6-8 cm. longis (pedunculis 2-3 cm. longis), ramis panicularum patentissimis, pedicellis ultimis 5-10 mm. longis toto glabris. Perianthii tubus obconicus f mm. longus 1^ mm. in diametro glaber, lobis 6 subsequalibus oblongis 2 mm. longis 1£ mm. latis apice obtusis basi vix vel haud contractis extus glabris intus glabris concavis margine vix ciliolatis vel haud ciliolatis. Stamina ordinis I. et II. aequalia, fiamentis late linearibus f mm. longis £ mm 38 THYMEL^EACE^E. I.ORAXTHACEJE. latis complanatis, antheris adnatis ovatis 2-locularibus f ram. longis apicc obtusis introrsum dehiscentibus ; stamina ordinis III. filamentis plus minus liirsutis basi utroque latere glandulis rotundatis ^ mm. longis totiusque latis instructis, antheris elongato-ovatis f mm. latis ; ordinis IV. staminodia sessilia rhomboidea acuta ^ mm. longaque lata. Ovarium ovoideum f mm. longum et latum glabrum 1-loculare, stylo colunmiformi glabro 1 mm. longo apice truncate stigmatoso. HAB. Baikei, ad 2000 ped. alt,, leg. B. HAYATA, Aprili. 191G. Thymelaeaeeae. Wikstrcemia ENDL. Wikstroemia mononectaria HAYATA Ic. PI. Formos. V. p. 179. Descriptio aucta : Fructus baccseformis ovoideus cum stipitibus 6 mm. longus 3 mm. latus apice angustatus ad summum obtusus basi attenuatus ad stipiteni abeuns, stipitibus circ. 1^-2 mm. longis, monospermus. Semina ovoidea 4 mm. longa 2-2£ mm. lata apice plus minus angustato-rostrata obtusa basi rotundata et brevissime apiculata, testa Crustacea nigricanti latere uno hilo notata, albumen carnosum sparsum. Embryo amplus ; radicula supra brevis 1 mm. longa apice acutissima ; cotyledoiiibus ovatis 2^-3 mm. longis If mm. latis crassiusculis. HAB. Uraisha, leg. S. SASAKI, Sept, 1915, (fr.). Loranthaeeae. Loranthus LINN. Loranthus liquidambaricolus HAYATA sp. nov. Frutex parasiticus ad truncos Liquidambaris incolus, ramis cinerascentibus minute lenticellatis. Folia crasse coriacea oblonga vel ovato-oblonga 7 cm. longa 4 cm. lata apice truncato- rotundata basi acuta subito ad petiolum abeuntia, costis et venis utraque pagine tenuissinie elevatis gracillimis, petiolis 12 mm. longis subalatis baud sulcatis subteretibus. Cymse laterales 3-floratse. Tubus perianthii cylindricus 18 mm. longus 3 mm. latus basi truncatus niedio sursum gradatim angustior apice plus minus expansus, ab apice dcorsum usque ad 5 mm. latere uno fissus extus brevissime hirsutus intus subglaber ; lobis 4 linearibus 6 mm. longis 1| mm. latis LORANTHACE^. 39 apicc obtusis retrorse flexis tubo contactis apice sursum (interiore) recurvis valvatis crassiuseulis basi hand contractis. Stamina 4 lobis perianthii opposita, filamentis totis cum tubo perianthii connatis ; antheris sessilibus linearibus 4£ mm. longis f mm. latis apice acutis apice 2-dentatis, (dentibus triangularibus brevissimis), loculis linearibus a medio deorsum recurvis subglabris. Stylus 23 mm. longus filiformis in sectione pentagonus glaber, stigmate terminali coniformi. Fructus obconico-cylindricus 6 mm. longus 3 mm. in diametro sectionis. HAB. Nanto : kyoshiryo, leg. T. SOMA, Nov. 1915, ad truncos Liquidam- baris formosance crescens. Loranthus Owatarii HAYATA in MATSUM. et HAYATA Enum. PI. Formos. p. 357. Descriptio aucta : Flores 'J : lacteo-flavi patentissimi circum nodos spicse 4-glomeratim siti sessiles, bracteis triangularibus 1 mm. longis acutis transverse patentibus. Involucrum cupuliforme 1 £ mm. in diametro f mm. longum margine sub lente minute denticulatum vel siib-integrum. Perianthii segmenta 6 patentissima linearia oblanceolata 2 J mm. longa -f mm. lata apice obtusa vel truncata glabra Isevia distincta. Stamina 6 cum segmentis opposita, filamentis basi ad basin segmentorum adnatis sursum liberis 2-2£ mm. longis cum segmento sequilongis glabris incrassatis, antheris oblongis adnatis apice truncatis vel emarginatis 4-locularibus, loculis operculatim dehiscentibus. Rudi- mentum ovarii brevissimum margine 5-dentatum, stylo columnari If mm. longo. HAB. Oiwake, ad 7500 ped. alt., ad truncos Qurd Mvrii, Aprili. 1916, leg. B. HAYATA. Viscum LINN. Viscum Alni-formosanse HAYATA sp. nov. (Fig. 3.) Furcatim ramo- assimum, ramis patentissimis teretibus rectis. FoHa ad apicem raniulorum, oppositim sita oblongo-obovata 4-5 cm. longa 12-18 mm. kta apice rotundata basi longe cuneato-attenuata integra crassiuscule coriacea 3-5-nervia sessilia vel breve petiolata. Cymse terminales sessiles 5 mm.-lO mm. longse ternatim decussatimque ramosse, floribus sessilibus cum rhachibus flavescentibus. Flores basilares utroque latere bracteis acute triangularibus 1-1^- mm. longis margine aristato-serrulatis dorso carinatis crassiuseulis glabris instruct!, laterales et 40 terminales baud bracteati, sed involucris crustaceis instruct!. Perianthium campanulatum 2£-3 mm. longum 3£-4 mm. latum crassiusculum coriaceum glabrum ; tubo l|-2 mm. longo obconico, lobis rotundato-triangularibus vel oblongo -triangulari- bus 2 mm. longls totiusque latis vel latioribus apice ex- teriore recurvis gla- bris ; antheris 3-4cum lobis perianthii op- positis et eos adnatis oblongis vel obloiigo- linearibus l£-2 mm. longis facie multi- porosis ; rudimentum ovarii imllum. Fl. £ : sessiles vel brevissime stipitati ; ovarium viride inferum ob- conico-lineare 1-1 % mm. longum 1 mm. latuni glabrum ; peri- anthium 4-partitum, segmentis oblongo- triangularibus glabris / S~ \ I g incrassatis coriaceis apice obtusis basi articulatim solutis ; stamina nulla ; stylus globosus 1 mm. longus totiusque latus apice rotundatus stigmatosus. HAB. Musha : Tsutsujigaoka, ad 6000 ped. alt., ad Alnum crescens, leg. B. HAYATA, Aprili. 23, 1916. Approaches to I^'scwm album LINN., but differs from it in the male flowers Pig. 3, Fiscwm Alni-formosance HAYATA. a, b, pairs of male flowers ; c, a bract ; d, a male flower ; e, section of. the same ; f, female flower-cluster; g, a flower of the same; h, the same, perianth off; i, section of ovary. EUPHORBLAXJELE. 41 which are usually in pair at the top of the branches, and in the much narrower perianth-segments of the same flowers. Viscum diospyrosicolum HAYATA Ic. PL Formos. V. p. 192. Des- criptio aucta : Juvenile foliiferum, foliis oppositis oblongo-obovatis 1£ cm. longis 4|-mm. ktis apice obtusissimis basi cuneatis margine integris chartaceis gkbris venis hand visis sessilibus. Fl. J : involucrum tenuiter crustaceum cupuliforme margine obscure denticulatum. Perianthium circ. ad basin 4-lobatum, lobis oblongo-triangularibus l^mm. longis f mm. latis apice acutis basi haud contractis eras- siusculis leviter deorsum reflexis extus minute sub lente botryoideo-tubercuktis gkbris. Antherse 4 ad medium loborum perianthii adnatse oblongse 5-6-porosae. Rudimentum ovarii nullum. Pseudofructus Fi9- 4t Viscum diospyrosicolum .,. . , HAYATA; a, a male flower; b, an anther. ellipsoideus 4 £ mm. longus 2 mm. latus apice obtusus ad centrum summi breve apicuktus Isevis. HAB. Kyoshiryo, leg. B. HAYATA, 2200 ped. alt., Aprili. 1916, (fl. ^). Euphorbiaceae. Daphniphyllum BLUME. Daphmphyllum membranaceum HAYATA sp. nov. xlrbor, ramis et ramuHs validiusculis cicatricibus foliorum notatis haud lenticelktis. Folia alterna versus apicem ramulorum approximatim disposita longe petiokta oblongo-elliptica vel oblongo-lanceolata circ. 20 cm. longa 6 cm. kta apice acutissima vel breve cuspidata basi obtusa margine subintegra supra nitida viridissima subtus gkuca chartacea vel chartaceo-membranacea, costa supra plana vel tenuiter impressa subtus prominenti, venis kteralibus primariis utroque ktere costse 15-20 rectis vel plus minus flexuosis haud arcuatis gracillimis utroque pagine tenuiter elevatis a costa angulo 45° egressis, petiolis circ. 5cm. longis rectis supra sulcatis basi plus minus diktatis. Racemi florum ^- versus apicem ramorum sub foliis supra cicatrices foliorum dis- positi gracillimi gkbri erecti recti 12cm. longi kxissime floriferi, pedunculis 5-6 cm. longis, pedicellis gracillimis gkbris 2 cm. longis divaricatissimis, bracteis 42 EUPHORBIACELE. caducissimis hand visis. Flores f : periaiithii segmenta interdnm complete ad nullum reducta, vel interdum brevissima glandulseformia 7-8 apice peltato- truncata £ mm. longa totiusque lata distincta. Ovariuni glabrum oblonguni glabrum 2 mm. longum apice ad stylum § mm. longum atteiiuatuin basi obtusum, stigmate tcrminali subpeltato 2-fido, segmentis latlssimis § mm. longis subrotuiidatis ad apicem styli contactis, ovarium 2-loculare. HAB. Kankanzan, leg. B. HAYATA, Mai. 1916. Near D. macropodum, but different from it in the much thinner leaves, in the more or less rostrate ovaries and nearly obsolete perianth-segments. Cyclostemon BLUME. Cyclostemon hieranense HAYATA sp. nov. Arbor? ramis et raniulis gracilibus, cortice cinerascenti, lenticellis albicantibus minutis elevatis. Folia alterna in exsiccato pallido-cinerascentia tenuiter coriacea oblongo-elliptica vel oblongo-lanceolata apice caudato-acuniinata basi oblique acuta 12 cm. longa 4cm. lata margine iiitegra tenuiter deorsum recurva plus minus margine crispato-undulata, costa utraque elevata, venis venulis reticulatis supra minus subtus plus elevatis, venis primariis lateralibus utroque latere costse 8—10 tenuissimis arcuatis prope marginem reticulatis, utraque pagine glaberrima, petiolis 8 mm. longis semiteretibus fusco-coloratis. Flores ad partes inferiores efoliatas ramurorum. hornotinorum lateraliter siti ad nodos 2-3-fasciculati graciliter pedicellati, pedicellis filiformibus 1 cm. longis, bracteis flores 2-3 includentibus caducissimis rotundatis apice triangularibus 7 mm. longis 6 mm. latis dense ciliatis coriaceis valde concavis. Sepala 4 patentia rotundata glabra 4 mm. longa 3 mm. lata apice rotundata margine ciliata. Stamina 7-10 circum rudimentum ovarii disposita, filamentis glabris l£mm. longis, antheris oblongis utrinque emarginatis 1-J mm. longis 1 mm. latis. Rudimentum ovarii plano- compressum 2^ mm. in dianietro margine repando-larnellatum plicatuni. Fl. ^ ignoti. HAB. Hieranzan, leg. S. SASAKI, Feb. 1912. Near C. karapinense ; but differs from it by the much more acuminate and thicker leaves. URTICACE^. 43 Urticaeeae. Fleurya GAUDICH. Fleurya interrupta GAUD. ; MATSUM. et HAYATA Enum. PI. Formos. p. 381. Herba annua ? radicibus fibrosis. Caulis subteres 30-40 cm. longus sparse hirsutus. Folia alterna petiolata triaiigukri-cordata membranacea 9-10 cm. longa 7-8 cm. lata apice triangulari-acumiiiata (acuminibus integris linearibus 1 cm. longis 3 mm. latis apice acutis) basi late truncata vel truncato-cordata margine grosse serrata, (serris sub-triangularibus 4 nim. longis 6 mm. latis apice acutis basi latissimis superioribus gradatim miiioribus) margine brevissime ciliolata trinervia, iicrvis kteralibus extrorse 5-veniferis, venis et iiervis prope serras furcatim ramosis, ramulis ad apiccm serrarum convergentibus, utraque sparse hirsuta, petiolis 7-9 cm. longis gracillimis hirsutis vel subgkbris, stipulis 2 subaxilkribus lineari-filiforniibus circ. 1 cm. longis basi 1 mm. latis apice filiforme acuminatis dorso prominente carinatis intus glabris extus hirsutis. Spicse a basi usque ad apicem caulis sitse axillares solitaries longe pedunculate cum pedunculis 8-10 cm. longse, (pedunculis circ. 5 cm. longis gracillimis ascendentibus), pauce ramosse, ramis spicae circ. 5 mm. longis remote sitis. Flores % ad ramos spicse densissime cymose glomeratimque dispositi, pedicellis subnullis vel £ mm. longis. Perianthium fructiferum oblique globoso-obconicum 1 mm. longum totiusque latum glabrum vel sparse hirsutum inaequaliter 4- lobatum, lobis subtriangularibus £ mm. ktis ^ mm. longis margine denticulatis ; staminodia nulla. Styli ad apicem ovarii oblique siti a basi 2-partiti, parte una longiore filiformi | mm. longa rubescenti descendento-recurva, parte una brevissima y^mm. longa vel obsoleta. Acheeniuni valde complanatum tri- angulari-cordiforme 1 J mm. longum 1 mm. latum sublseve angustissime alatum, pericarpiis crustaceis. HAB. Ako, leg. T. SOMA, Sept. 1913, (fr. et ?). Pilea Lixx. Pilea brevicornuta HAYATA sp. nov. (Fig. 5.) Herba; caulis basi procumbens ad nodos radicans, (radicibus fibrosis), sursum ascendens erectus sursum foliatus hirsutus (pilis horizontaliter patentibus |mm. longis) simul gknduloso-rubro-punctatis. Folia opposita (jugis a se 2cm. distantibus), 44 URTICACE^E. longe petiolata ovato-oblonga vel ovato-lanceolata 4£ cm. longa 18 mm. lata apice acuminata basi triangulari-acuta vel obtusa margine basi apiceque excepto serrata (serris ascciidentibus late triangularibus obtusis a se 3 mm. distantibus), trinervia, (nervis lateralibus ad apicem serrarum attingentibus), venis lateralibus primariis nervorum sub apicibus serrarum glandula singula calcarea terminatis, pagina supra cystolithis ^mm. longis rectis conspersa subtus glabra, petiolis 6-7 mm. longis glabrls supra sulcatis, stipulis intra-axillaribus castaneis inem- branaceis ovato-oblongis 4^- mm. longis 3 mm. latis apice obtusissimis basi caulem semi-amplectantibus glabris. Mores moiicecii vel dioecii. Fl. £ cymosi, cymis solitariis vel geminatis axillaribus pedunculatis, pedunculis glabris 1^-2 cm. longis apice ramosis plus minus hirsutis ad nodos bracteatis, bracteis oblongis \ I a 1mm. longis apice erosis, pedicellis Fig. 5, PUea brevlcornuta HAYATA; a, b, male flowers; c, a stamen; d, a female flower, ultimis -f mm. longis. Perianthmm rubescens 4-lobatum, tubo obconico 1 mm. lato glabro, lobis oblongis 2 mm. longis 1^ mm. latis apice cornuto-acutis glabris basi 11011 contractis intus plus minus concavis glabris. Stamina 4, filamentis 2 mm. longis linearibus ^ mm. latis; aiitheris roseis, loculis divaricatis. Rudirnentum ovarii minutum setiforme. Flores ? cymosi, cymis brevioribus inferioribus quam iis floris J, breve pedunculatis cum pedunculis Jem. longis generaliter geminatim ad axillas foliorum sitis glabris bracteatis rarnosissimis, floribus ad iiodos glomeratis bracteatis, bracteis oblongo-triangularibus basi pedicelli ultimi sitis minutis £ mm. longis, pedicellis ultimis ^-f mm. longis. Perianthium fructiferum viride 3- partitum, segmentis insequalibus, postico longiore oblongo Jmm. longo glabro intus concavo apice truncato vel obtusissimo, segmentis lateralibus ovato-tri- angularibus ^ mm. longis apice acutis intus valde concavis glabris ; rudinienta staminum 3 crassiuscula | mm. longa Jl-forme recurva. Achsenium castaneum ovatum f mm. longum | mm. latum biconvexum apice obtusissimum basi con- UKTICACEJE. 45 tractum, (stigmato scssili infra apicem ovarii latcro sito brevissimc pectinato) rubescens rubro-punctatum, pericarpio coriaceo-crustaceo. Semina ovata utrinque acuta, testa membranacea. Embryo ignotus. HAB. Mt. Arisan : inter Heishana et Nimandaira, Mart. 1914, leo\ B. 7 * & HAYATA. Near Pilea umbrosa WEDD., but differs from it by the leaves which are usually acute at the base. Pilea funkikensis HAYATA sp. nov. Herba subsucculenta altissima erecta aggregatim abundante crescens. Caulis 60-200 cm. altus vel altior glabcr simplex haud ramosus subtetragoiius 4 mm. crassus medio sursum foliatus ereetus. Folia opposita (jugis a se 3-5 cm. remotis) longe petiolata in exsiccato chartacea in vivo crassiuscula elongato-ovato-oblonga vel elongato- oblonga 12-14 cm. longa 4^-5 cm. lata apice breve caudato-acuta (acumini- bus \ cm. longis) basi cuneato-obtusa obtusa vel rotundata margine tenuiter remoteque serrulata (serrulis ascendentibus ab apice ad apicem 5 mm. distanti- bus) trinervia, nervis supra impressis subtus elevatis, pagine supra dense subtus minus dense cystolithis vermiformibus coiispersa, cystolithis ^-f mm. longis, petiolis 3-6 cm. longis glabris, stipulis intra-axillaribus non satis iiotis. Flores dioecii vel moncecii, (si monoecii tune inflorescentise floris foeminei su- periores, inflorescentise floris masculini infcriores). Flores toto cyniosi, cymis axillaribus solitariis vel geminatis. Cynise floris J : quam ese fl. ^ longiores et plus expanses 3-5 cni. longse 2-4 cm. latse sessiles vel breve pedunculatse ramosissimse glabrse ad nodos glomeratini dense floriferse ad nodos bracteatse, bracteis late triangularibus 1 mm. longis 1^ mm. latis apice obtusis basi hand contractis glabris ; flores 10-30 ad nodos glomerati sessiles basi 1-bracteati, bracteis oblongis 1 J mm. longis -| mm. latis vel minoribus apice acutis glabris; alabastrum floris J obovoidcum 1^- mm. latum apice cornibus erectis brevrissi- mis segmentorum breve apiculatum glabrum; apertientes leviter rosei. Perianthium campanulatum, tubo 1 mm. in diametro intus cupulaeformi, 4-lobatum, lobis oblongis 1 mm. longis | mm. latis apice minute inflexis tri- angulari-acutis basi haud contractis intus valde concavis extus dorso infra apicem brevissime cornutis, cornibus erectis minutissimis triangulari-acutis ; stamina 4 lobis pcrianthii opposita e basi loborum oriunda, filamentis lineari- 46 URTICACK.E. bus glabris 1 £ mm. longis quarn labo plus minus longioribus in alabastro inflexis, antheris oblongis dorso infra apiceni glandula singula -£ mm. longa retrorse elevata rubra instructis; rudiinentum ovarii conicum minutissimum. Cymse floris ^ quam eae fl. £ breviores superiorcs 1-1 g- cm. longse totiusque latse sessiles vcl breve pedunculatse ; floras ad nodos densissime glomerati ; peri- anthium achseniferum 2-4-partitum vel lobatum, segmentis linearibus vel quadrangularibus f-£ mm. longis marginc erosis apice truncatis hand cornutis glabris ; rudimenta staminis 2 vel 4, filamentis ad nullum reduetis, antheris abortis sessilibus minutissimis quadrangularibus r1^-^ mm. longis. Achsenium oblongum plus minus obliquum 1 J mm. longum § mm. latum apice brevissime et lateque apiculatum ad summum stigmate terminatum basi coiitractum acutum brevissime stipitatuni biconvexum complanatum lentiforme Ifeve minute rubro- punctatum, maturun igiiotum ; embryo ignotus. HAB. Mt. Arisan : inter Toroyen et Funkiko, leg. B. HAY ATA et TAKEO ITO, Mart. 1914; Nimandaira, leg. T. SOMA, Jan. 1915. Near Pilea petiolaris BLU^IE, but differs from it in having much longer and thicker leaves. Pilea kankaoensis HAYATA sp. nov. Annua. Caulis 15-25 cm. longus succulcnttis glaber deorsum efoliatus sursum foliatus 5 mm. in diametro sec- tionis. Folia versus apiceni caulis oppositim disposita a se 3-2—1 cm. distantia longe petiolata ovato-oblonga vel obovato-oblonga 2^-5 cm. longa l|-2|-cm. lata apice caudata ad summum caudse obtusissima basi obtusissima rotundata vel truncata sed ad apicem petioli semper minute cordata jL.-formia margiue integerrima crassiuscula plus minus succulenta supra fusco-viridia plus minus iridescentia supra cystolithis vermiformibus ^-f mm. longis conspersa subtus in exsiccato alveoli-forme elevato-reticulata in vivo hand reticulata glaberrima 3-nervia, nervis in exsiccato supra impressis subtus tenuissime elevatis gracillimis, ncrvo centrali ad acumen ipsum extenso, nervis kteralibus a margine 2-3 mm. distantibus margini parallelis sursum gradatim evanescenti- bus, venis transverse dispositis tenuissimis ; petiolis 2-3 cm. longis teretibus cystolithis conspersis, stipulis intra-axillaribus latere interiore se connatis late triangularibus apice acutis vel obtusis 1 mm. longis 2 mm. latis. Flores monoecii corymboso-paniculati ; paiiiculis ad folia superiora axillaribus cum URTICACE^E. 47 pedunculis 8-10 cm. longis, pedunculis 6-7 cm. longis, ramis paniculse pedato- patentibus glabris, rhachibus valde flexuosis glabris incrassatis ad nodos flores quasi-glomeratim gerentibus. Fl. J : sessiles ; alabastrum obovoideo-globosum apice obtuse truncatum cornibus 4 brevissimis instructum basi obtusum ; flores apertientes patentissimi, perianth!! lobis oblongo-linearibus 1£ mm. longis 1 mm. latis apice acutis dorso sub apice brevissime cornutis utraque pagine glabris distincte 1-costatis ; stamina 4, lobis perianthii opposita, filamentis ad ^ mm. perianthio adnatis sursum liberis, partibus liberis 1mm. longis cum lobis peri- anthii sequilongis complanatis glabris inflexis, antheris ovatis apice emarginatis basi profimde cordatis vel profunde 2-lobatis 1 mm. longis. Fl. ^ : pedicelli •J-- j^ mm. longi brevissimi basi 1-bracteati, bracteis triangulari-ovatis % mm. longis obtusis vel breve 2-lobatis glabris ; perianthium 4-partitum, segmentis valde insequalibus, uno majore erecto concavo crassiusculo, alteris lanceolatis tenuissimis hyalinis ^ mm. longis acuminatis ; staminodia nulla ; ovarium obovoideo-ellipsoideum stigmate excepto ^ mm. longum glabrum 1-loculare 1-ovulatum, ovulis ercctis, stigmate sessili pectinato-cristato ; achsenium oblique ovato-oblongum apice obtusum plus minus recurvum basi cuneato-acutum glabrum minus quam 1 mm. longum ^ mm. latum latere plus minus com- planatum biconvexum; pericarpio fulvescenti crustaceo. Semina ovoidea f mm. longa apice acuta basi rotundata plus minus complanata Isevia glabra, testa membranacea ; albumen paucum ; embryo mediocrius subovatus -J mm. longus; radicula supra brevis dimidium cotyledonis in longitudine sequans coniformis apice obtusa ; cotyledones late rotundatse latiores quam longse. HAB. Koshun : Kankao, leg. Z. KOBAYASHI, Juli. 1907, fl. J (No. 5616); ibidem, leg. S. KAWAGOI, /)ct. 1914, (fl. $ et fructus). Near P. land/olia HOOK. f. Pilea minute-pilosa HAYATA sp. nov. Herba subsucculenta humilis 10-15 cm. alta. Caulis erectus basi pauce ramosus a basi sursum foliatus glaber. Folia opposita parva elliptico-ovata vel oblonga maxima 5^ cm. longa 2 cm. lata apice caudato-acuminata (acuminibus 1 cm. longis ad summum obtusis) basi obtusissima vel rotundata ad extremitatem basis minute cordata ^.-formia margine subintegra vel obscure minuteque crenulata in exsiccato membranacea in vivo crassiuscula 3-nervia, nervis lateralibus cum margine 48 URTJCACEJE. parallelis prope basin acuminis evanesceiitibus, nervis supra imprcssis subtus elevatis, pagine supra (nervis exceptis) cystolithis minutissimis -fa-^ mm. longis densissime conspersa subtns toto glabra, petiolis maximis 1^ cm. longis teretibus .glabris, stipulis triangular ibus minutis axillaribus. Flores dioecii, masculini ignoti. Fl. fceminei cymosi, cymis gracilibus glabris ad folia superiora axillari- bus pedunculatis cum pedunculis 3-4 «udobulbi oriundi circ. 40 cm. longi, basi deorsum Photographed by Mr. Y. SHJMABA. vaginis paucis instruct!, (vaginis 4-5 cm. longis tubuliforniibus 6 mm. latis glabris nervosis semi-hyalinis ore obliquis apice acutis vcl truncatis), medio sursum nudi hand vaginati squamis minutis 1-2 instruct!, partibus floriferis 8-11 cm. longis gracillimis remotiuscule floratis ; bracteis sub flore singulis, linearibus lanceolatis 3-6 cm. longis acuminatis. Flores raceinosi, pedicellis (ovario excepto) 7 mm. longis subpatentibus. Ovarium cylindricum 4 mm. longum glabrum plus minus purpurascens apice 2 mm. latum basi ad pedicel- lum abeuns sulcatum glabrum apice haud contractum. Sepala pallido-pur- purascentia purpureo-striate, posticum lineari-oblanceolatum 15 mm. longum apice obtusum 2^ mm. latum 3-nervium basi attenuatum 1 J mm. latum ; lateralia valde falcate linearia plus quam 10 mm. longa 2 mm. late apice acuto-obtusa basi haud attenuate 2 mm. late caeterum tit postico. Petela linearia 12mm. longa 2| mm. lata apice obtusa basi haud contracte 2^ mm. late plus minus falcate glabra 3-nervia. Labellum flavurn sub sinibus pur- Fig. 11, Tainia Shimadai HAYATA, OECHJDKS;. 77 pureo-maculatum subtus flavum in ambitu obtriangulare Ilium, longnm 8mm. latum basi triangulari-acutum cuin pede columnse articulatum basi erectum ad 4 mm. altitudinem subito reflexum deorsuni recurvtim patens, parte patent! (i. e. lamina) late rotundata 8 mm. longa 9 mm. lata 3— lobata, (lobo terminal] latissimo 2| mm. longo 7£ mm. lato apice truiicato ad centrum brevissime latissimeque triangulari-acuto, lobis lateralibus ascendentibus plus minus interiore recurvis obtusissimis 2 mm. latis, sinibus inter lobos latiusculis 1 J mm. latis truncatis), glabra medio disci's 3-lamellatis flavis integris instructa. Colnmna crccta 7 rum. longa circ. 2 mm. lata apice alata basi ad pedem pro- ducta, pede 2 mm. longo cum sepalis lateralibus connato mentum formanti ; anthera latiuscula antice truncata postice cordato-cornuta, cornibus late triangulari-obtusis crassiusculis purpureis. HAB. Taihoku : Tikushizan, leg. Y. SHIMADA, Aprili. 1915, fl. Near Tainia laxiflora MK., but diifers from it in the very much longer leaves. Calanthe E. BE. Calanthe raishaensis HAYATA sp. nov. Terrestris. Folia basi racemi circ. 3 fasciculata, fasciculo squamis 1—2 vaginiformibus involute, cum petiolis 60 cm. longa suberecta glabra, lamina oblanceolata 30-40 cm. longa 6£ cm. lata apice subito acuminata vel acuta basi gradatim longeque attenuata ad petiolum circ. 30cm. longum abeunti tenuiter membranacea. Racemi circ. 60cm. longi erecti folio sequilongi simplices e centro fasciculi folioruni oriundi glabri, partibus floriferis 12cm. longis laxe floratis, bracteis lincari-lanceolatLs acumi- iiatis 1-2 cm. longis, pedicellis (cum ovariis) 3-4 cm. longis. Sepalum posticum ovate-lanceolatum 3 cm. longum 8 mm. latum fere 5-nervium apice acumi- iiatiwsimum basi rotundatum contractum glabrum ; lateralia quam posticum lougiora 33 cm. longa 1 cm. lata oblongo-lanceolata apice acuminatissima basi obtusa integra glabra. Petala linearia 2^ cm. longa 3 mm. lata apice acuminata basi hand contracta 3-nervia. Labellum late rotundatum 22 mm. latum 18mm. longum 3-lobatum, (lobis lateralibus subrotundatis 5mm. longis 78 ORCHJDEJE. totiusque latis apice rotundatis interiore recurvis, lolx> terniinali obtriangulari 1 cm. longo totiusque lato apice rnargine crispato-plicato ad centrum apicis cuspide 3mm. longo iiistructo toto subglabro), basi ad calcar productum, calcare cum partibus labelli columna connatis 3£ cm. longo intus extusque plus minus hirsute deorsurn recurvo. Columna 1 cm. longa basi labello counata tubum formans. Anthera triaiigularis 3 mm. longa totiusque lata apice cuspide l^mm. longo obtuso instructa basi segittate 2-lobato. HAB. Raisha, in sylvis 3300 ped. alt., No. 905, Mart, 1914, leg. U. FAURIE. Near Calanthe arisanensis HAYATA, but differs from it in having broader spurs and less crispate lips. Eulophia, R. BE. Eulophia ochobiensis HAYATA sp. nov. Terrestris aphylla. Tuber ellipticuni 10 cm. longum 4cm. laturn abundanter radiciferum, radicibus teretibus iiicra&satis. Scapi simplices cum raccmis 40cm. longi erecti glabri 7-8 mm. in diametro pallido-purpurei basi squaniati, squamis oblongis 2 cm. longis imbricatis apice obtusis vel acutis, racemis vel partibus floriferis 10 cm. longis laxiuscule floriferis, bracteis lanceolatis 3 cm. longis 6 mm. latis apice acuminatis purpurcis, pedicellis cum ovariis 6—10 mm. longis glabris. Sepala purpurea ; sepalum posticum oblongo-ovatum 17 mm. longum 7 mm. latum apice acutum basi con- traotum glabrum, lateralia oblique oblongo-ovata 18 mm. longa 7 mm. lata apice acuminata. Petala pallido-flava oblique obovata 11 mm. longa 7 mm. lata apice triangulari-acuta vel obtusa basi breve lateque cnneata ad insertionem 3 mm. lata. Labellum pallidum extus glabrum intus medio apiceque hirsutum late cuneato-triangularc l^cm. longum 12mm. latum apice late breveque 3-lobatum, lobo terminali triaiigulari 4 mm. longo totiusque lato apice obtuso, lobis laterali- bus apice rotundatis, basi brevissimc calcaratum. Columna dorso complanata 6 mm. longa 3 mm. lata pallido-flava. HAB. Ochobi, B. HXVYATA, Mai. 13, 1916. Near Eidopliia macrorhiza (BLUME Fl. Jav. t. 63 f.-2). ORCHIDEJE. 79 CymMdium, S\r. Cymbidium arrogans HAYATA (Fig. 12) Ic. PL Formos. IV. p. 76. iCf. 12, Cymbidium arnxjans- HAYATA. Photographed by Mr. Y. SHIMADA. 80 ORCH1DEJE. Cymbidiutn albo-jucundissimum HAY ATA (Fig. 13) Ic. PI. Formos. IV. p. 74. Gymbidium oiwakensis HAYATA sp. nov. (Fig. 14). Terrestris, radicibus incrassatis. Folia 7-8-faseiculata, fasciculis basi squamis involutis, linearia 50-60 cm. longa 5-6 mm. lata apice acuta margine prsesertim apice minute serrulata nervis manifestis 3, venulis inter nervos 1-2. Racemi distinct! aphylli circ. 50 cm. long! foliis sequilongi basi ct parte inferiorc vaginis instruct!, Fig. 13, Cymltidium albojucunrli&slmum HAYATA. Photographed by Mr. Y. SHIMADA. vaginis usque ad medium tubiformibus Fig. 14, Cymbiaium oiwakense HA- cum tubo 5—7 cm. longis apice acuminatis, YATA ; a, a lip, showing maculation on the partita* floriferis circ. 15cm. longis laxe snrface; b' the "une' showing ^« ^ the base; c, the same in section; a, the floratis, bracteis lanceolatis 3cm. longis same lip, seen from side. ORCHIDE.E. 81 gursum recurvis ascendcntibus glabris apice acuminatis valde concavis, pedicellis (cum ovariis) 2 cm. longis glabris. Flores 4 cm. in diametro. Sepala et petala pallido-viridescentia vel pallido-flavescentia extus purpureo-striata vel haud striata. Labellum fusco-purpureo-maculatum. Sepala lanceolata 27 mm. longa 6—7 mm. lata apice triangulari-acuta basi plus minus angusta glabra. Petala plus minus obliqua ovato-lanceolata 23 mm. longa 8 mm. lata apice acuto-obtusa basi plus minus contracta glabra. Labellum in ambitu ovatum 23niDi. longum ad basin columnse situm sessile erectum basi concavum, lobis lateralibus latiusculis erectis apice rotundatis semi-oblongis 3 mm. latis columnam laxe amplectantibus, labo medio valde recurvo oblongo 13 mm. longo 8 mm. lato apice obtusiasimo margiiie valde crispato sub lente minute eroso. Disci 2 ( )-formiter dispositi. Columna complanato-semi-teres 14 mm. longa 4 mm. lata margine obscure alata vel haud alata. Fructus fusiformis 4cm. longus 1^ cm. latus erectus, stipite l£cm. longo erecto glabro. HAB. Gokwanzan Oiwake, ad 7500 ped. alt., leg. B. HAYATA, Aprili. 1916. Differs from the other species of this genus in Formosa in having mani- festly denticulate lips. Cymbi- dium rubri- gemmum HA- YATA sp. nov. (Fig. 15). Folia linearia tenuiter coriacea 30-40 cm. longa 7mm. lata apice acu- minata basi gradatim atten- nata margine sub lente minu- tissime serru- lata. nervis dis- Fig. IB, Cymbulium rubngemmum HAYATA. tinctis 3. Scapi Photc^raphed by Mr. T. SOMI. 82 ORCHIDPLE. cum racemis 25-30 cm. long! erecti basi squamis 3-4 instruct!, squamis a se 5 cm. distantibus 5-6 cm. longis apice acuminatis a basi usque ad medium tubiformibus. Racemi 8 cm. loiigi pauciflorati, bracteis lanceolatis 3 cm. longis 4 mm. latis purpureis, pedicellis cum ovario 2 cm. longis glabris gracilibus. Sepala subsequalia linearia 3 cm. longa 5 mm. lata apice acuta basi leviter contracta. Petala lanceo- lata plus minus obliqua 2^- cm. longa 6-7 mm. lata. Labellum oblongo-ovatum 20 mm. longum 8 mm. latum apice obtusum apice margine maculatum. Columna l£ cm. longa. HAB. Taihoku cult. Mart. 1914, leg. T. SOMA. Near Cymbidium oreophyllum HAY ATA, but distinguishable from it in having shorter and broader sepals. Cymbidium sinense WILLD. var. margicoloratum HAYATA n. v. (Fig. 16-b et 17). Folia lineari-oblanceolata tenuiter coriaeca 50-60 cm. longa 2cm. Fig. 17, Cymbidium sinense WIIXD. vnr. margi- coloratum HAYATA. Photographed by Mr. T. SOMA. a Fig. 16, n, Cymbidium rubrigemmum HAYATA ; b, Cymbidium sinense WILLD. var. margicoloratum HAYATA. OECHLDE2E. 83 lata apicc acuminata basi gradatim attciiuata ad cxtrcmitatem subito dilatata apicem pscudobulbi amplectantia, ncrvis tlistinctis 3, utraque paginc glabra niargiiic integerrima. Scapi cum raccmis 70-80 cm. longi tcretes basi squamis 3-4 remote instruct!, squamis a sc 10 cm. distantibus liiiearibus apice acuminatis a basi usque ad medium tubuliformibus glabris scariosis 10 cm. longis nervosis. Racemi 30 cm. longi erecti recti remote floriferi, floribus a se 3-4 cm. distanti- bus, bracteis lanceolatis 1-2 cm. longis acuminatis, pedicellis (cum ovario) 3-2 cm. longis divaricatis. Sepalum posticum lineare 33 mm. longum 5 mm. la turn apicc obtuso-acuturn, lateralia levitcr breviora sequilata. Petala lauceolata 2-J cm. longa 7 mm. lata, apice obtusa basi contracta. Labcllum. ovatum 20 cm. longum 10 mm latum apice acutum (discis 2-lamcllatis) margino apiceque coloratum. Columna 13 mm. longa. HAB. Tailioku cult. leg. T. SOMA, Feb. 1914. Diflers from the type in the lips which in this new species are bluish purple at the margin, but not spotted. The lips of C. sinense are in greater parts spotted. I have not seen the type of the latter ; but according to the description given in LINDL. Gen. et Sp. Orch. p. 162, the lips are "macula- turn." The same character of the lips can be seen in a figure given in the Somokudsusetsu XVIII. PI. 11. Sarcochilus R. BE. Sarcochilus kusukusensis HAYATA sp. nov. Epiphytica. Caulis 2-3 cm. longus toto foliatus vaginis foliorum imbricatis obtcctus glabcr. Folia in exsic- cato coriacea linearia 4—5 cm. longa 5-6 mm. lata apice obtusa vel obtusissima ad summum oblique simpliciter apiculata vel breve 2-apiculata basi angustiora margine integra, nervis lateralibus utroque latere cosfae 5, vel 1 turn venis inter costas et nervas laterales 1—2, vaginis valde reflexis apice petioli-formibus basi vaginiformibus glabris. Racemi quasi-axillares cum pedunculis 4 cm. longi glabri erecti recti, pedunculis 3£ cm. longis, rhachibus plus minus incrassatis densissime floriferis 1 cm. longis dense bracteatis, bracteis sub flore singulo unis instructis dense imbricatis cuspidato-triangularibus 3-4 mm. longis glabris dorso acute carinatis in sectione triangularibus, pedicellis cum ovariis 5 mm. longis glabris supra basin articulatis. Flores flavi 5 mm. longi. Sepala flava, posticum oblongum vel oblongo-obovatum 4J mm. longum 2 mm. latum apicc obtusum basi- 84 OKCHIDEJE. contractum glabrum tenuiter membranaccum 3— nervium ; lateralia postico sequilonga sed latiora plus minus obliqua basi cum pede columnse connata inentum 1 mm. longum abeuntia. Petala flava obovato-oblonga 4 mm. longa 2 mm. kta apiec obtusissima basi cuneato-contracta. Labellum album purpureo- striatum pede columnse articulatim affixum 3 mm. longum sacciforme" lobi laterales erecti late triangulares ; medius obsoletus ad apieem denticulatus et plus minus carnosus ; labellum medio et utroque laterc apicis eallis dense pilosis iiistructum, et protuberantibus duobus sub apice labelli dispositis. Columna brevis 1^- mm. longa basi ad pedem 1 mm. longum producta. HAB. Kusukusu, leg. B. HAYATA, Aug. 1914. Differs from 8. formosana HAY. by the far much smaller flowers with yellowish sepals and purplc-striate lips. Sarcochilus Saruwatarii HAYATA sp. nov. (Fig. 18). Epiphytica. Caulis 2cm. longus toto foh'atus et vaginis foliorum imbricatis obtectus glaber. Folia alterna distichc disposita plaiia in exsiccato mcmbranacea linearia vel lineari-oblanceolata 4—5 cm. longa 5-8 mm. lata apicc obtusa vel acuta oblique 2-lobata vel integra margine Integra basi attenuata cum vaginis articulata, nervis latcralibus utroque laterc costse 3, vaginis 3 mm. longis. Kacemi penduli quasi-axillares graciles cum pedunculis 2- 3 cm. longi, rliachibus 1 cm. longis valde Fig. 18, Sarcochilus Saruwatarii HAYATA ; a, a flexuosis laxissime floratis, floribus flower ; b, another flower, lip taken off, showing the 2-3, sub flore 1-bracteatis, bracteis foot of the column; c' a Kp' seen from side' ovato-lanceolatis deorsum falcatim recurvis 2 mm. longis transverse patentibus secus costani plicatis alabastrum florum et rhachem raccmi amplectantibus. Flores albi. Sepala iniequalia, posticum oblongum 5 mm. longum apice obtu- suni basi plus minus contractum ; lateralia oblique ovato-oblonga 7 mm. longa 3 mm. lata apicc obtusa basi hand vel vix contracta. Petala lineari-lanceolata OKCHIDKE. 85 5 mm. longa 1 mm. lata apice obtusa basi haud vel vix contracta. Labellum intus rubro-flavum sacciforme, lobis lateralibus oblongis obliquis 3 mm. longis 2 mm. latis apice truncato-obtusis extus minute hirsutis margine minute erosis intus glabris, lobo medio cra&sissimo brevissimo triangulari £ mm. longo, sub lobo medio disco crasso uiio insito ; gibbo labelli in fundo densissime piloso. Columna brevissima ^ mm. longa subalata cum alis l£ mm. lata basi ad pedem 2 mm. longum producta. HAB. Keitao, leg. B. HAYATA, Aprili. 1916. Approaches to S. formosanus HAY., but distinguishable from it by the far much smaller lips and racemose inflorescence. Saccolabium BLUME. Saccolabium formosanum HAYATA Mater. Fl. Formos. p. 336. Des- criptio aucta : Fructus cylindricus pedicello excepto 2 cm. longus 5 mm. latus utrinque contractus obtusus plus minus obliquus, pedicello 5-6 mm. longo. Tropidia LIXDL. Tropidia Somai HAYATA sp. nov. (PL XIII.). Rhizonia ascendento- erectum ad caulem gradatim abeuns ; pseudobulbus nullus. Caulis in no&tro specimine 2-3-fasciculatus cum racemis 17-20 cm. longus glaber florifer sub- erectus interdum efoliatus interdum 1-2-foliatus eramosus basi usque ad medium 2-5— vagi nato-squamatus, squamis inferioribus vaginiformibus 7 mm.— 15 mm. longis ore obliquissimis apice acutis nervosis glabris superioribus longioribus usque ad 3£ cm. longis ad medium tubuliformibus sursum lamiiii-formibus apice acuminatis, foliis si adsunt supra medium caulis 1-2-dispositis. Folia membranacea oblongo-cordata ovato-oblonga vel knceolata 9-7 cm. longa 6-2 cm. lata apice acuminata ad summum breve aristata basi subcordata rotundata obtusa vel acuta semper ad petiolum 1-1^ cm. longum caulem amplectantem gradatim abeuntia, margine Integra 7-nervia, nervis supra minus subtus plus elevatis (in exsiccato). Racemi 3-4 cm. longi recti, bracteis lanceolatis 6-7 mm. longis apice acuminatis basi rhachin semi-amplectantibus glabris, pedicellis cum ovario 5 mm. longis glabris. Sepaltim posticum lanceolatum 6 mm. longum basi latissimum acuminatissimum glabrum ; lateralia apicibus exceptis perfecte connata ventricum formantia erecta apice acuminata lanceolata, ventrico sub insertioiie 2 mm. longo 2 mm. lato. Petala lanceolata sepalo postico breviora. 86 ORCHIDEJE. Labelluin ovato-lanceolatuni circ. 6 mm. longum erectuni glabrum ventricoso- calearatum, lamina lanceolata 4 mm. longa. Coluinna 2mm. longa, rostello obliquissimo triangulari-lanccolato apice 2-fido ; anthera dorsalis c basi columnse oriunda lanceolata apice acuminata 3 mm. longa £ mm. lata. Pollinia lineari- lanceolata 2 mm. longa apice attenuata ad caudicnlam 2 mm. longain abeuntia ; glandula lineari-oblonga 1 mm. longa. Tropidia angidata HAYATA in MATSUM. et HAYATA Enum. PI. Formos. p. 414 (non BLUME). HAB. Ako: Datestu, leg. T. SOMA, Juli. 1912. Near Tropidia angulata BLUME (Kixo et PANTLIXG Orchid, t. 365), but distinguishable from it in having much inflated lips and sepals. Spiranthes L. C. RICH. Spiranthes australis LINDL. var. suishaensis HAYATA n. v. Terrestris. Radices incrassatse e basi caulis 3-4 oriundEe tcretes 5 cm. longse 3 mm. crassse. Caulis 30-50 cm. altus glaber teres basi foliis 2-3 medio squamis 1—2 instructus sursnm ad spicam 10-20 cm. longani abeuns simplex hand ramosus. Folia inferiora majora oblanccolato-linearia 12-1 5 cm. longa 5— 7 mm. lata apice obtusa vel acuta basi gradatim attenuata ad vaginam abeuntia, vaginis 1-6 cm. longis, toto glaberrima menibranacea, nervis lateralibus utroque latere costse 3, venulis obliquis reticulatis. Spicse 10-20 cm. longae simplices. Flores perfecte albi approximatim secundeque dispositi, bracteis post antliesiii auctis knceolatis. Ovariuni obovoideuui plus minus obliquum 2-3 mm. longum glabrum vel plus minus hirsutum. Rhachis tortuosa minute hirsuta, bracteis ovatis 5—6 mm. longis 2-3 mm. latis concavis basin floruni amplectantibus apice longe acuminato-cuspidatis glabris. Segmenta toto conniventia toto alba. Sepala trinervia ; posticum lineare 5 mm. longum 1| mm. latuui apice obtusurn basi hand contractum glabrum ; lateralia quam postico angustiora apice acuminato-obtusa 5 mm. longa 1 mm. lata. Petala quani sepalum tenuiora 5mm. longa 1 mm. lata apice obtusissima 1-nervia. Labellum in anibitu oblonguni 4-5 mm. longum 2£ mm. latum apice obtusissimuni basi erectuni concavum columnam amplectans apice patens margine basi usque ad medium integrum medio sursum valde crispatum erosurn ad paginam medio sursum breve crispato-hirsutum basi leviter gibbosum, gibbis intus protuberantibus duobus instructis. Columna 1 mm, longa. ORCHIDEJE. 87 HAB. Suiaha, ad 2500 ped. alt., leg. B. HAYATA, Aprili. 1916. This differs from the common Spiranthes australis by the perfectly white flowers with 2 rounded protuberances at the base of the lips. The protu- berances are in 8. australis are hooked and bent downwards. Physurus RICH. Physurus chinensis ROLFE ; MATSUM. et HAYATA Enum. PL Formos. p. 409. HAB. Karapin, leg. B. HAYATA, Mart. 1914. Note : — Flowers light ashy-purple or nearly white. Galeola LOUR. Galeola ochobiensis HAYATA sp. nov. (Fig. 19). Fulvesccns ad truncos repenfi, radicibus numerosis incrassatis, radicibus aeriis oppositi-ramis tereti- bus in nostro specimine 3-4 cm. longis. Caulis glaber teres ad nodos 1-squamatus, equamis ovatis obtusis ramos semi-amplec- tantibus 1-2 cm. longis. Racemi paiiiculato- ramosi, ramis 3—5 cm. longis', bracteis ovatis fl acutis 3mm. longis persistentibus, pedicellis Fig. 19, Galeola ochobiensis HAYATA; cum ovariis 4-5 mm. longis glabris. Flores a' a lip' exPanded' b» c> ^0™ of the same lip, which is not unfolded. pallido-lacteo-rubesceiites glabri. Sepala conniventia demum plus minus patentia, posticum oblongo-lineare 12 mm. longum 3 mm. latum glabrum apice obtusum, lateralia quam postico latiora 4 mm. longa apice obtusissima basi hand contracts. Petala angusta linearia ct spathulata 12 mm. longa 2 mm. lata apice obtusiswuiia vel rotundata basi attenuata. Labellum ad basin columnse sessile latum concavum columnam laxe involvens sepalis sequilongum 10 mm. longum in explicate 10 mm. latum obscure 3-lobatum, lobis lateralibus latissimis transver&e venulosis, lobo medio minuto undulato-crispo facie villoso callis duobus instructo, callo superiore subrotundato villoso, callo inferiore minus villoso. Columna 7 mm. longa exalata apoda. Capsnla linearis cylindrica pendula 16 cm. longa 5 mm. lata. HAB. Ochobi, leg. B. HAYATA, Mai. 14, 1916. Found climbing on a tree in forests on a cliff at the sea-coast. Near G. altissima REICH, f. ; but differs from it in having differently shaped lips. 88 ORCHIDEJE. Vanilla Sw. Vanilla Somai HAYATA sp. nov. (PI. XIV.). Epiphytica. Caulis ramosus scandens glaber teres viridis flexuosus. Folia alteriia oblongo- lanceolata 17 cm. longa 5£ cm. lata apice acuminata ad summuni obtusa basi contracta rotundata vel truncata margine Integra coriacea plana utraque glabra, nervis in exsiccato ntraque elevatis 25—30 parallelis, petiolis 1 cm. longis dilatatife semi-amplexicaulibus. Racemi quasiterminales 2-3 cm. longi sessiles ; rhachibus flexuosis multifloratis sed abortu 1-2-floratis, bracteis oblongo-triangularibus membranaceis l-l£ cm. longis naviculiformibus plicatis glabris apicc obtusis vel acutis divaricatis, pedicellis cum ovariis 3—4 cm. longis gracilibus 2-3 mm. latis glabris. Flores 4 cm. longi pallido-virides ; sepalum posticum oblanceolatum 4 cm. longum 1 cm. latum apice abrupte acutum ad summuni obtusum basi attenuatum glabrum, lateralia plus minus obliqua quam posticum augustiora. Petala lineari-oblanceolata 4 cm. longa 5 mm. lata apice abrupte acuminata basi gradatim attenuata. Labellum pallido-viride extus sursum leviter roseum 4cm. longum tubuloso-infundibuliforme in expli- cate obtriangulare 3-lobatum margine crenulatum (lobo medio minuto deorsum subito recurvo viridi) rnedio fasciculo pilorum 5 mm. longo 3 mm. lato in- structum apice viridissimum pilis brevibus conspersum, medio lineis miniatis 2 cm. longis recurvis utroque latere sitis. Columna 3 mm. longa. HAB. Remogan, leg. B. HAYATA et T. SOMA, Mai. 1916. Near Vanila Griffithii var. formosana ; but differs from it in having pale green cream-colored lips. Vrydagzynia BLUME. Vrydagzynia formosana HAYATA sp. nov. Caulis basi repens ad nodos radicans sursum ascendens suberectus, partibus erectis circ. 10cm. longis teretibus fbliatis glabris. Folia glabra alterna versus apicem caulis fere ap- proximatim disposita, lamina oblonga 2£- 3£ cm. longa l£cm. lata apice acnta ad summum acutissima basi obtusa vel rotundata subito ad petiolum cum vaginis 1 cm. longum abeunti, petiolis basi vaginiformibus, vaginis 5 mm. longis 2£ mm. latis. Racemi terminales solitarii cum pedunculis 5 cm. longi, pedun- culis 2^ cm. longis hirsutis, bracteis ovato-lanceolatis apice obtusis basi vix con- tractis extus hirsutis intus glabris margine ciliolatis valde concavis alabastrum ORCHIDEJE. 89 floris amplectantibus, pedicellis (=ovariis sessilibus) 6mm. longis 1 mm. latis hirsutis. Segmenta conniventia extus sparse hirsuta intus glabra sursum albicantia deorsum viridescentia. Sepalum posticum lineari-lauceolatum 6 mm. longum 2 mm. latum apice obtusissimum leviter dilatatum basi vix contractum cum petalis galeam formantia. Sepala lateralia obliqua 5£ mm. longa 2£ mm. lata apice obtusa basi valde obliqua latere inferiore auriculato-cordata latere su- periore acute ovato-oblonga. Petala oblique ovato-lanceolata 4£ mm. longa 2 mm. lata apice attenuata ad summum perfecte truncata ad summum £ mm. lata basi contracta 1-nervia. Labellum erectum oblongum apice obtusissimum medio callo uno crassiusculo notatum, basi ad calcar latissimum 4mm. longum 2 mm. latiun productum. Columna brevis 1£ mm. louga crassiuscula anteriore apice 2-cornuta, cornibus (stigmatosis) ^ mm. longis obtusissimis ; anthera ro- tundata l£ mm. longa totiusque lata. Rostellum triangulare 1 % mm. longum. Calcar intus callis 2 longe stipitatis a columnse basi dcscendentibus instructum. HAB. Inter Urai et Agioku, leg. B. HAYATA, Mai. 1916. Near F. gratilis BLUME. Zeuxine LINDL. Zeuxine tabiyahanensis HAYATA sp. nov.=Adenostylis tabiyahanensis HA.YATA. Terrestris. Caulis basi repens ad nodos radicifer, partibus ascen- dentibus 20 cm. longis erectis usque ad medium foliiferis simplicibus, apice ad racemum abeuntibus deorsum glabris sursum hirsutis. Folia plus minus obliqua vel sequalia oblonga vel elongato-oblonga 5-7 cm. longa 2-£ cm. lata apice acuta ad summum acutissima basi acuta subito ad petiolum 1 cm. longum abeuntia margine Integra chartacea vel membranacea utraque pagine glabra, nervis lateralibus utroque latere costse 1, venis inter costam et nervos laterales 3-4, petiolis basi vaginatis cum vaginis 2J cm. longis, vaginis 1-1^ cm. longis £ cm. latis, ore obliquo. Racemi simplices terminales 6 cm. long! laxe floriferi hirsuti, bracteis lanceolatis l^cni. longis 4mm. longis ^plus minus hirsutis. Ovariurn oblique cylindricum utroque constrictum 1 cm. longum hirsutum. Sepala suberecta extus hirsuta intus glabra ; posticum oblongum 1 cm. longum 7 mm. latum apice triangulari-acutum ad summum obtusum basi haud con- tractum ad summum obtusum valde concavum cum petalis galeam formans 3-nervium j lateralia elongato-oblonga postico sequilonga 4 mm. kta apice 90 obtusissima basi leviter contracta 3-nervia integra plus minus obliqua. Petala glabra cultriformia vel semi-obovata 1 cm. longa 4 mm. lata apice obtusa basi attenuata margine interiore subrecta margine exteriorc curva, margine exteriore prope apicem crenulata 2-nervia. Labellum basi cum alis columnse connatum crectum basi (hypochilo) saccato-concavum, hypochilo 5 mm. longo 3-nervio ad nervos laterales fimbriis instructo, medio (mesochilo) angustato 2mm. longo sulcato basi auriculis instructo ; lamina, (epichilo) 2-lobata, lobis divaricatis late obtriangularibus 4 mm. longis apice fere truncatis latissimis 5 mm. latis basi 2 mm. ktis apice dentato-erosis latere integris duobus se angulo 180° egressis utraque pagine breve hirsutis. Columna brevis 2 mm. lata 2 mm. longa facie anteriore 2-alata apice 2-cornuta, cornibus membranaceis deorsum (^-formiter recurvatis 2 mm. longis ; rostellum longe 2-fidum, segmentis linearibus 2£ mm. longis ; anthera elongata triangularis 3 mm. longa 1£ mm. lata apice acuta basi sagittata; stigmata 2 utroque latere basis rostelli disposita sessilia. HAB. Tabiyahanzan, leg. B. HAYATA, Mai. 1916. The present species approaches to Cheirostylis, Zeuxine OdontochUus and Ancectochttus, but is not referable to neither. The new orchid is different from Cheirostylis in having distinct sepals and petals, from Zeuxine and Odentoehilus in the kteral arms of the columns, and from Ancectochilus by not having distinct spurs. As the specimen is wanting pollinia, it is quite uncertain as to its proper genus. MyrmecJiis BLUME. Myrmechis drymoglossifolia HAYATA sp. nov. (Fig. 20). Terrestris basi procumbens ad iiodos radicans, partibus erectis 4-7 cm. longis. Caulis teres gkber vel subglaber. Folia alterna petiolata rotuudato-ovata 6-7 mm. longa 5-6 mm. kta apice trian- gukriobtusa basi rotundato-truncata margine integra vel crispato-repandulata Fig* 2O> Myrmechis arisanmsis HAYATA. ORCHIDKE. 91 3— nervia, nor vis tenuissimis, utraque glaberrima, petiolis cum vaginis 3— 4mm, longis dorso complanatis basi vaginatis, vaginis 1-2 mm. longis 1-1 £ mm. latis obconiciformibus glabris semi-hyalinis mcmbraiiaceis ore obliquis. Florcs ter- minales solitarii pedunculati, pedimculo (ovario excepto) 6 mm. longo basi apiceque bracteato hirsute ; bractea inferiore basi vaginata, vagina tubiformi 1-2 mm. longa ore ciliata, lamina ovata circ. 2 mm. longa glabra ; bractea super! ore ovata 4mm. longa ovarium amplectanti hyalina margine retrosc ciliata ; ovario ovato-lineari 4-5 mm. longo glabro 1£ mm. lato. Sepala et petala basi usque ad medium conniventia ovato-linearia 6 mm. longa apice attenuata conniventia tiibnni 3-4 mm. latum formantia toto glabra. Labellum Y— forme : hypochilo cum tubo perianthii conniventi ; mesochilo libero lineari 2 mm. longo 1 mm. lato, lamina (epichilo) Y-forme bipartita, partibus divaricatis linearibus 2 mm. longis 1 mm. latis. Columna nulla ; anthera dorsalis ovata, 1£ mm. longa apice attenuata ; pollinia 2 sectilia ; stigma ignotum. HAB. Arisan, 8000 ped. alt., leg. U. FAURIE, Juni. 1914, (No. 929). Near Myrmechis gracilis BL. and M. japonica ROLFE ; but differs from them in having much smaller leaves. Goodyera R. BR. Goodyera arisanensis HAYATA sp. nov. Cauh's • cum spicis 25 cm. longus gkber basi 5-6-foliatus erectus apice ad spicam abeuns sursum squamis 8-9 remote instructus. Folia oblonga vel ovato-oblonga 4 cm. longa 1£ cm. lata apice acuta vel breve acuminata basi acuta margine integra chartacea vel crasse membranacea utraque pagine glabra, petiolis 2cm. longis dilatatis basi vaginatis, vaginis ^ cm. longis hyalinis, ore obliquo. Spicse termiiiales simplices llcm. longse densiuscule floratse, bracteis knceolatis post anthesin auctis 3mm. longis acuminatis ovario sequilongis. Ovarium ovoideo-fusiforme 3 mm. longum glabrum. Segmenta conniventia 3 mm. longa. Sepalum posticum ovato- lanceolatum 3 mm. longum 1 mm. latum glabrum 1— nervium, nervo manifesto, glabrum cum petalis galeam forrnans basi plus minus contractum ; lateralia oblique lanceolato-oblonga 3jmm. longa l^nim. lata postico ktiora glabra manifesto 1-nervia apice obtusa vel acuta basi hand contracta. Petala lineari- lanceolata 3^ mm. longa f mm. lata apice obtusa basi angustata ten niter mem- 92 OECHIDE^E. branacea 1— nervia. Labellum subsaccatum subrectum haud recur vum 2J mm. longum l£ mm. profunduni extus glabrum apice triangulari-acutum, sacco apice rotundato intus glabro lineis callosis cristatis duabus instructo. Columna brevissima £ mm. longa ; rostelluui membranaceum aristato-2— fidum. Capsula ellipsoidea 7 mm. longa 4 mm. lata utrinque valde constricta glabra vel sparsis- sime hirsuta. Anthera ovata 1 mm. longa apice 1-aristata. HAB. Mt. Arisan, ad 2500m. alt., leg. U. FATJEIE, Dec. 1914. Near Goodyera nantcensis HAYATA, but difiers from it in having larger flowers and leaves with different venation. Goodyera cyrtoglossa HAYATA Ic. PI. Formos. p. 113. HAB. Rosuikei, leg. B. HAYATA, Aprili. 1916. Note : — Some of the flowers are upside down ; rhachis purple-red ; segments pale-ochraceous, column green, lip white. Goodyera longicolumna HAYATA pp. nov. Caulis teres basi procum- bens ad nodos 3 cm. se remotos 5 mm. crassos radices 2-3 emittens, radicibus teretibus incrassatis, basi sursum ascendens, parte ascendenti cum spicis 30cm. longa simplici a basi usque ad medium foliosa erecta sursum ad spicam simplicem 7 cm. longam abeunti deorsum glabra sursum minute hirsuta. Folia 9-10 oblonga vel elliptica membranacea glaberrima 9—10 cm. longa 4J cm. lata apice breve cuspidato-acuniinata vel acuta ad summum obtusa basi obtusa subito cuneatim ad petiolum abeuntia margine Integra, nervis lateralibus 5—6 utroque latere costse, petiolis circ. 6 cm. longis gracilibus basi subito dilatatis sub- vaginatis caulem amplectantibus. Spicse (vel racemi) simplices circ. 10cm. longse erectse dense vel densiuscule floriferse, bracteis lanceolatis hirsutis mar- gine aristato-ciliolatis 1^ cm. longis acuminatis ascendenti bus. Ovariuni lineare 7 mm. longum breve hirsutum. Segmenta extus toto hirsuta. Sepalum posticum oblongo-lanceolatum 8 mm. longum 3 mm. latum apice obtusissimum basi vix vel haud contractum cum petah's galeam formans manifeste 1-nervium, lateralia postico sequilonga fere sequiformia apice obtusa. Petala oblanceolato-spathulata 8 mm. longa 2 mm. lata apice obtusissima basi gradatim attenuata tenuissime membranacea manifeste 1-nervia. Labellum saccatum 7 mm. longum 4 mm. latum apice triangulari-acutum ad summum obtusum, sacco intus hirsute. Columna cum rostello 5 mm. longa 1 J mm. lata, rostcllo 2-lobo, lobis acutis. ORCHIDE^E. 93 Anthera ovata 3mm. longa apice acuminata. HAB. Urai, leg. S. SASAKI, Aprili. 1910. Remarkable for the rostellum which is much longer than that of any other species of the genus in the island. Gastrodia R. BE. Gastrodia dioscoreirhiza HAYATA sp. nov. Terrestris aphylla. Tuber longissimum cylindricum vermiforme recurvnm haud radiciferum 20-30 cm. longum 10-20 cm. in diametro rugosissimum squamis tenuissimis hyalinis sparse obtectuni apice ad scapum abeuns. Scapi complanati fulvo-rubescentes hac atque ilkc vaginis brevibus instruct!. Rhachis florifera 3^4 cm. longa glabra, bracteis oblongis 3 mm. longis 2 mm. latis apice obtusis valde concavis glabris, pedicellis erectis glabris ovario exccpto 4 mm. longis, ovariis obcoiiico-cylindricis apice hand contractis 2 mm. latis 2 mm. longis basi attenuatis. Sepala cum petalis conuata tubum formantia fulvo-rubesceiitia, tubo circ. 1 cm. longo 4 mm. lato 5-lobato, lobis exterioribus (sepalis) 1-2 mm. longis scmi-clausis valde concavis intus Isevibus extus tuberculatis, lobis interioribus (petalis) rotundatis l£-2 mm. longis Isevibus l£ mm. latis basi contractis. Labellum Columna elongata triquetra ad angulos manifesto alata. HAB. Girancho : Soseikyaku, leg. B. HAYATA, 12, Mai. 1916. Very remarkable for its long cylindrical tubers. Platanthera RICH. Platanthera stenoglossa HAYATA Ic. PI. Formos. IV. p. 123. HAB. Rankanzan, leg. B. HAYATA ad 4000 ped. alt., Mai. 1916. Note : — Rhachis and sepals pale green ; petals and lips pale yellow. Gytnnadenia R. BR. Gymnadenia Tominagai HAYATA sp. nov. Terrestris. Caulis simp- lex 8-10 cm. longus erectus subreotus gracillimus supra basin 2— foliatus apice 1-2-floratus. Folia alterna oblanceolata 4 cm. longa 3£ mm. lata apice acuta basi gradatim attenuata erecta membranacea integra. Flores 1-2 terminales vel laterales, bracteis • lanceolatis 1 cm. longis 3 mm. latis apice acuminatis glabris. Ovarium sessile ovoideo-cylindricum 7 mm. longum glabrum. Sepala insequalia ; posticum erectum intus concavum oblongum 6 mm. longum apice obtusum basi plus minus contractum glabrum 3— nervium, lateralia quam 94 ILEMODORACE^E. posticum raajora 7-8 mm. longa 4 mm. lata basi obliquissima basi latere iiiferiore rotundata. Petala ovato-oblongo-triangularia 6 mm. longa 3 mm. lata apice triangulari-acuta vcl obtusa dorso apice plus minus carinata basi valde obliqua latere inferiore auriculato-rotuiidata basi latere superiore rotundata basi plus minus brevissime uiiguiculata. Labellum ad basin columnse adnatum sessile an- teriore expansum secus longitudinem dcorsum leviter plicatum, lamina in. ambitu obtriangulari 1 cm. longa totinsque lata medio 3-lobata, lobis laterali- bus triangularibus lobo ceiitrali sequilongis a lobo centrali angulo 45° egressis apice acutis, lobo centrali rectangular] formi 3-4 mm. loiigo 3 mm. lato apice 3-cuspidato, tota pagine tubcrculatum, tuberculis acutis minutissimis, basi calcaratum, calcare infundibuli-tubuli formi 5£ mm. longo 1 mm. lato apice acuto. Columna brevissima 1£ mm. longa. HAB. Nantocho: Gundaizan, leg. T. TOMINAGA, Aug. 1916. Near Gymnadenia lepida E.EICHB. fil., but separable from it by the much narrower erect leaves. Habeuaria WILLD. Habenaria Miersiana CHAMP. • MATSUM. et HAYATA Emim. PI. For- mos. p. 419. HAB. Shakko, leg. U. FAUKIE, (No., 951) Sept. 1914. Hsemodoraeeae. Peliosanthes AXDR. Peliosanthes arisanensis HAYATA sp. nov. (PI. XV.) Khizoma nodosis- sirnum repens 5 mm. crassum recurvuni dense radicans, radicibus incrassatis 1^-2 mm. crassis. Folia singulariter disposita hand fasciculata longe petiolata oblanceolata chartacco-mcmbranacca 23-25 cm. longa 5-6 cm. lata apice acunii- nata basi gradatim recto-atteiiuata ad petiolum abeuntia margiue Integra sub microscopio minutissime scrrulata utraque pagine glabra multi-ncrvia, venulis tessellatis, in specimine cxsiccato nervis venis venulis tessellatisque totis elevatis distiiictis, petioHs 25-26 cm. longis subteretibus gkbris toto nudis haud squam- atis. Scapi efoliati csquarnati perfecte nudi 30-35 cm. longi (cum racemis") erecti recti glabri subterctes apice racemosi ; racemi circ. 10 cm. longi laxiu- scule florati, floribus tortu subsecunde dispositis basi bracteatis, bracteis 95 linear! bus 1-2 cm. longis 2-3 mm. latis apice acuminatis basi latissimis dorso extus 3-nerviis leviter 3-carinatis valde concavis naviculiformibus descenden- tibus apice ascendento-rccurvis. Mores nutantes supra-axillares, ex altitudine 1 mm. supra axillas bractearum oriundi pedicellati, pedicellis glabris recto-descen- dentibus 3 mm. longis apice cum flore articulatis basi latere inter bracteam ct pediccllum bracteola singula instructis, bracteolis glabris triangulari-lanceolatis 4mm. longis intus concavis subplicatis naviculiformibus extus a basi usque ad apicem prominciite carinatis apice inter! ore recurvis descendentibus. Peri- anthium obconicum circ. 8 mm. longum 6-lobatum, tubo obconico 4 mm. longo 7 mm. lato glabro, lobis 3 exterioribus oblongo-triaugularibus 6 mm. longis 4mm. latis apice triangulari-obtusis basi leviter contractis utraque glaberrimis crassiusculis suberectis, lobis 3 interioribus sequilongis sed minus latis. Corolla secundaria e basi loborum perianthii oriunda erecta late tubosa 3 mm. longa 6 mm. lata crassissima extus intusque brevissime hirsuta apice plus minus contracta ore semi-clausa brevissime latissime 6— dentata vel subintegra intus infra apicem antherifera, antheris sessilibus rotundato-oblongis | longis j mm. latis apice cmarginatis basi 2-lobatis interiore dehiscciitibus. Ovarium 5 mm. longum cum tubo perianthii ad 2 mm. altitudinem connatum sursum 3 mm. liberum (parte libera late coniciformi) brevissime deusissime pilosum apice triangulari-acutum ad styluni glabrum brevem 1 mm. longum crassiusculum abeuns, deorsum 3-loculare sursum 1— loculare ovulis e basi loculorum oriundis linearibus 2 mm. longis J mm. latis erectis in loculo siugulo 2—3. Styli apice clavati ad summum leviter 3-lobati, stigmatibus ad sunimum styli A-forme dispositis. Bacca globosa 1-sperma. Semina globosa 7 mm. in diametro, testa ? crassissima spongiosa ? Embryo linearis ceutralis 4-5 mm. longus \ mm. latus subteres vel plus minus complanatus. Peliosanthes courtattensis HAYATA Fl. Mont. Formos. p. 225 (non WIGHT). HAB. Mt. Arisan, prope Karapin, leg. B. HAYATA et S. SASAKI, Jan. 1912; leg. G. NAKAHARA. Near Peliosanthes courtallensis, but differs from it in the much smaller flowers. 96 ILEMODORACK/E. Peliosanthes Tashiroi HAYATA sp. nov. Rhizoma repens, radicibus iucrassatis. Folia singulariter sita longc petiolata elongato-oblouga vel lanceo- lata circ. 20 cm. longa 3—7 cm. lata apice acuminata basi attenuata gradatim ad petiolum abeuntia margine Integra sed sub microscopic minutissime serrulata chartaceo-membranacea utraqae pagine glabra, nervis venis venulis tessellatisque utraque pagine in exsiccato distiiicte visis, petioL's basi nudis hand squamatis glabris subteretibus 24-25 cm. longis laminam foliorum in longitudine super- aiitibus. Scapi cum racemis 12-22 cm. longi erecti glabri haud foliatis hand squamati glabri. Racemi 15-10 cm. longi glabri laxiuscule floriferi tortu subsecunde dispositis. Flores subnutaiites, bracteis et bracteolis ut in P. arisanensis, sed quam iis minoribus vel interdum bracteolis medio pedicelli sitis, pedicellis 4 mm. longis descendentibus glabris cum perianthio articulatis. Perianthium 5— lobatum late campaimlatum 1 J cm. latum extus glabrnm, tubo late canipantilato 2 mm. longo 4£-5 mm. lato glabro, lobis 5 triangulari- oblongis 5-6 mm. longis 4 mm. latis apice obtusis basi plus minus contractis niargine integris sed minute ciliolatis vel hand ciliolatis extus glabris intus brevissime hirsutis. Corolla secundaria 2 mm. longa semi-globosa 5 nun. lata extus brevissime densissime hirsuta apice ore semi-clausa contracta 5— lobota, (lobis brevissimis late triangularibus 1 mm. latis ^ mm. longis late acutis) intus hirsuta infra apicem loborum intus antherifera. Stamina 5, antheris sessilibus rotundato-ovatis | mm. longis f mm. latis apice emarginatis basi 2-lobatis iiiteriore dehiscentibus. Ovarium sublibebrum fere super um basi leviter cuni tubo perianthii connatuni conicum brevissime dense hirsutum 2 mm. longum 2^ mm. latum basi latissiinum sursuni attenuatum apice ad stylum brevis- simum glabrum 1 mm. lougum apice stigniatifernm abeuns, ovrulis a basi loculi oriundis paucis erectis. Bacca ellipsoidea, 1-sperma. Semina 7 mm. longa 6 mm. lata cllipsoidea, testa crassissima spongiosa ? HAB. Taihoku cult. : leg. Y. TASHIRO, Feb. 1912. Near P. arisanensis HAYATA, but separable from it by the pentamerous flowers. LILIACE^E. 97 ' Liliaceae. • Heterosmilaoc KUNTH. Heterosmilax arisanensis HAYATA Ic. PI. Formos. V. p. 235, des- criptio aucta : Perianthium floris ? ovoideo-fusiforme 4 mm. longum 3 mm. latuin giabrum apice leviter trilobatum, lobis triangularibus £ mm. longis obtusis semi-clausis glabris. Staminodia 3 linearia 2J mm. longa £ mm. lata complanata glabra. Ovarimn ovoideum cum stylo brevissiino 2£ mm. longum If mm. latum giabrum apicc stylo conico £ mm. longo apiculatum, stylo apice acuto obscure 3-lobato, stigmate iiiconspicuo ; ovarium 3-loculare, loculis 2- ovulatis. HAB. Arisen, 2500m., leg. U. FAUEIE, Jun. 1914, (No. 309). Hohdea ROTH. Rohdea Watanabei HAYATA (XVI.) Ic. PL Formos. V. p. 236. Lilium LINN. Lilium Kanashiroi HAYATA sp. nov. Caulis simplex gracilis erectus 30 cm. longus teres ' l£ mm. in diametro sectionis glaber toto foliifer. Folia linearia lineari-lanceolata 6 cm. longa 2 mm. lata apicc acuta vel obtusa basi deorsum attenuata ad basin subito dilatata sessilia chartacea, costa supra teiiuiter impressa subtus tenuiter elevata. Flores ad apicem caulis solitarii termiiialcs et generaliter cernui flavi. Segmenta (perianthii) a medio sursum retrorse reflexa patentia flava, exteriora 3 (5>)-forme reflexa lineari- spathulata cum unguibus 4 cm. longa deorsum unguiformia, imguibus 1^ cm. longis 3 mm. latis erectis margine iiiteriore recurvis extus Isevibus intus deorsum 2-striatim hirsutis, laminis linearibus 2^- cm. longis 6 mm. latis planis exteriore recurvis margine integra planis apice obtusis pilis claviformi- bus dense obtectis infra apicem extus callis singulis instructis intus infra apicem leviter concavis utraque paginc glabris haud costatis, nervulis parallelis unduktis ; 3-interiora cum unguibus spatlmlata 4 cm. longa, unguibus 1£ cm. longis apice gradatim ad laminam abeuntibus intus 2-striatim hirsutis extus glabris carinatis carinis ad laminam abeuntibus, lamina lineari 2^ cm. longa 8 mm. lata apice emarginata vel breve 2-lobata apice in ambtu truncata margine integra sursum minute ciliolata sursum pilosiuscula, extus medio 98 LJLIACEJE. p romineiite carinata intu? haud carinata. Stamina 6, filamcutis linearibus 22 [mm. longis 1mm. latis 1— nervatis complaiiatis apice subulato-acuminatis glabris, antheris flavis 8 mm. longis l£ mm. latis utrinque cmarginatis versati- libus. Ovarium cylindricum 14 mm. longimi 2 mm. latum apice 6-lobulatum glabrum, stylo columnar! 1 cm. longo glabro acute triquetro apice plus minus dilatato, stigmate 2-fido, segrnentis patentibus semi-rotundatis 3 mm. longisque latis apice obtusis. HAB. Loo-choo, leg. S. KANASHIEO, No. 340, fl. flavo. The present lily was previously identified with the Japanese L. callosum S. et Z. The latter is however limited to the southern part of Japan, while this new species is found only in the Loo-choo islands. The difference be- tween the two species is, besides many others, observed in the color of the flowers. The perianth of L. callosum is reddish, while L. Kanashiroi is yello- wish. The callosities at the apex of the leaves of the former can never be seen in the latter. Lilium talanense HAYATA sp. nov. (Fig. 21). Pseudobulbi depresso- ovati vel depresso-rotundati 2£ cm. longi 3 cm. lati, squamis carnosis ovatis apice abrupte acutis, radicibus fibrosis e basi pseudobulbi oriundis. Caulis 20-30 cm. longus erectus reetus gracilis 2 mm. in diametro a basi usque ad medium foliifer. Folia linearia 5 mm. longa apice acuminata basi latissima 2—3 mm. lata glabra, costa supra impressa subtus tenuiter elevata, sessilia, superiora niinora squamiformia. Flores ad apicem caulis terminates suberecti solitarii, interdum floribus 1—2 racemosum dispositis, pedunculis bracteis niinoribus 2-3 remote alternatimque instructis, bracteis linearibus 5 mm. longis 1 mm. latis apice truncatis interiore recurvis callosis. Flores rubescentes 3 cm. in diametro. Segrnenta, exteriora 3 lineari-spathulata 4£ cm. longa 6 mm. lata, apice calloso-obtusa concava plus minus cristata basi unguiforme attenuata utraque glabra, interiora paullo latiora 8 mm. lata apice obtusa haud cristata dorso pro- minente distincteque carinata basi unguiculata attenuata. Stamina 6, filamentis filiformibus complaiiatis 1-nerviis glabris 2£ cm. longis apice subulatis pallido- rubris, antheris rnbris versatilibus linearibus 7 mm. longis. Ovarium clavato- prismatico-cylindricurn 17 mm. longum 3 mm. latum apice truncatum basi attenuatum viride glabrum, stylo columnar! 10 mm. longo clavato-triquetro LILIACE^E. 99 Fig. 21, Lilium talanense HAYATA. (After a \\-ater-colour drawing by Mrs. T. KAWAKAMI.) 100 JUNCACEJ3. AROIDE^. glabro, stigmate terminal! globose 3-4 mm. lato basi 3-lobato fulvo. HAB. Shintikucho : Talang, Taiheito, ad 1900 ped. alt., leg. S. YAM ADA, Aug. 1914. Near IMium cattosum S. et Z., but differs from it in the perianth-seg- ments which are scarlet on the upper surface but light red on the back. The segments of L. callosum are usually purple on the back. Juneaeeae. Juncus LINN. Juncus leptocladus HAY ATA sp. nov. Annua. Caulis tenmssimus glaber scandentissinius ramosissimus 26 cm. longus subteres gracillimus. Folia radicalia linearia circ. 12 cm. longa 1 rnni. lata apice acurniuata basr plus minus vaginata dorso complanata glaberrinia margine interiore tcnuissime recurva , erecta tenuissiuia herbacea, vaginis 2-3 cm. longis latere uiio fissis margine membranaceis. Flores laxissime cyrnosi breve vel longc pedicellati basi bracteis 2 instructi, bracteis triangulari-ovatis apice acutis hyalinis 2 mm. ongis 1 J- mm. latis glabris hand costatis haud iiervrosis. Perianthii segmenta exteriora 3 laiiceolato-liiiearia 6£ mm. longa f mm. lata apice acimiinata glabra late 1— costata margine hyalina, segmenta interiora lineari-lanceolata 4 mm. longa f mm. lata apice acuminata late 1-costata margine hyalina glabra. Stamina 6, filamentis filiformibus 1 mm. longis glabris basi se brevissime cou- natis, antheris linearibus 1 mm. longis -£$ mm. latis utrinque obtusis. Ovariuni glabrum lineari-ovoideuui circ. 1 mm. longum ^ nlrn. latum apice ad stylum ^ mm. longum abeuns tri-sulcatuni trigonuni, stigmatibus 3— fidis. HAB. Arisan, ad 8000 pcd. alt., leg. U. FAUEIE, Juiiio 1914. Somewhat near Juncus bv/onius LINN., but widely different from it in having far much longer perianth. Aroideae. Ariscema MAET. Arissema arisanensis HAYATA sp. nov. Tuber depresso-globosum 2 cm. lougum 3 cm. latum, radicibus a facie superiorc tuberis oriundis teretibus. Caulis cum spadice 30 cm. longus glabor basi 13 mm. latus 1-2- vaginis instructus AR'JIDE.E. 101 2-foliatus. Folia 2 subopposita basi vaginata longc petiolata, petiolis vagina excepta 15cm. longis glabris teretibus erectis, lamina tripartite 3-foliolata, foliolis sessilibus, foliolo terminali ovato-laiiceolato 12 cm longo 4 cm. lato apice rcoto-acuminato (acuminc linear! versus apicein filiformi, partibus filiformibus l£cm. longis) basi snbito cimcato margine subintegro membranaeeo utraque pagine pubescent!, venis lateralibus tenuissiinis, foliolis lateralibus foliolo terminali sequilongis sequilatis sod valde obliquis latere inferiore basi rotunda- tis vel obtusissimis latere snperiore basi acuminatis sessilibus. Spadix termi- iialis, pednnculo 6 cm. longo 3—4 mm. lato apicc gradatim dilatato ad spatham abeunti. Spatim clavato-cylindrica 9-10 cm. longa, tubo 5cm. longo 2cm. lato latere imo fisso, limbo saccato-fornicato verticaliter late multi-striato, striis viridibns 2-3 mm. latis, ten ui tor pubescent!. Spadix £ columniformis 6 cm. longns basi florifer ; partibus floriferis cylindricis 13 mm. longis 6 mm. latis densiuscule floriferis ; appendice 4^ cm. longa basi cylindrica, partibus infcriori- bns appendicis cyliiidricis 6-7 mm. longis 4 mm. latis, partibus supra parteni cylindricam subito dilatatis 8 mm. latis sursum gradatim angustioribus apice obtusis. Fl. "J : stamen 1, subsessile ; aiithera 2-locularis, loculis globosis approximatis £ mm. in diametro. HAB. Arisan, 2500m. alt., leg. U. FAURIE, Junio. 1914. Resembles Ariscema Tint/ens in having trifoliolate l-saves and fornicate spathas, and in the spadix ; but distinguishable from it in having much smaller hairy leaflets with a filiformed tip and in the spadix which is more or less attenuate towards the apex. AmorpJiophallus BLUME. Amorphophallus (Candarum) gigantiflorus HAY ATA sp. nov. (Fig. 22). Bulbus depresso-globosus vel gemi-globosus 15cm. longus 22cm. latus basi rotundatus apice latissimus ad centrum valde depressus e centro scapum emittens facie cicatricibus radicis tubercuktus, radicibus incrassato-filiformi- bus 20-30 cm. longis 2£ mm. in diametro simplicibus liaud ramosis. Scapus cum spadice circ. 45 cm. longus e centro summi bulbi oriundus spadice excepto 7 cm. longus 3£ cm. crassus rugosus basi bracteis duabus involutus, bractea inferiore triangulari-oblonga 20 cm. longa 10 cm. lata apice obtusa vel apicu- lata coriacea minute-nervTosa intus concava margine interiore recurvata basin 102 AROIDEJE. scapi amplectanti, bractea superiore longiore 31 cm. longa 12 cm. lata obovato- oblonga basin scapi am- plectanti intus concava minute ncrvosa. Spatha in statu obconico-campa- nulata 30 cm. longa sur- sum 40 cm. in diametro, latere uno fissa spadicem sinestro obtegens in ex- plicato fere rotundata 40- 50 cm. in diametro apice obscure triangulari-obtusa margine plicato-undulata, exta glabra Isevis pur- pureo-viridesccns albo-ma- culata (maculis rotundatis 6 mm. in diametro) usque ad prope 18 cm. altitudi- nem plus purpurea versus apicem plus viridescens, intus prope marginem Isevis, partibus infra-rnar- ginalibus 7 cm. latis intus rugulosis viridescentibtlS, fig- 22, Amorphophallus fjigant>florus HATATA. partibus mediis 7 cm. latis intus IseNabus albis, partibus inferioribus iutus a basi usque ad 12 cm. altitudinem atro-purpureis densiasime verrucoso-tuberculatis, (tuberculis setuloso-coniformibus circ. 2 mm. longis fulvis), prope latere uno Isevis. Spadix in ambitu claviformis 38 cm. latus sessilis, partibus ovariiferis inferiori- bus 13 cm. longis cum pistilis 8 cm. latis cylindricis ovario excepto 5 cm. latis dense ovariiferis ; partibus staminiferis superioribus obcomcis cum staminibus 7 cm. longis 10 cm. latis basi 5 cm. latis apice 10 cm. latis densissime staminiferis ; CYPERACE^E. 103 p appendiee depresso-conico-globosa 6 cm. loiiga 19-20 cm. lata ad summum rotundata atro-purpurea cava hac atque iliac grosse rugosa vel laevi toto minute tenuissime verrucosa. Fl. J : densissirne dispositi, stamine 1 ; anthera sessilis transverse insita lineari-rectaiigulari flavescens 4-5 mm. longa 2-3 mm. lata apice trun- cata Isevis, loculis adnatis linearibus crassis. Fl. f : pistillum densiuscule dis- positum transverse insitum. Ovarium valde depresso-globosum glabrum leviter purpurasceiis 3 mm. longum 5 mm. latum Iseve 3-loculare, parietibus crassissimis, loculis parvis, ovulis solitariis loculum complete occupantibus ; stylo colnmnari 1 cm. longo glabro leviter purpurascenti, stigmate terminali 3-lobato cineraceo. HAB. Tainancho : Kareikosho, Takunaiisha, leg. S. YUKI, Mai. 1914, fl. Near Amorphophalliis oampanulatus BLUME (ExGL. Arac. in ENGL. Nat. Pfl.-fam. 11-3, p. 127, fig. 81). Cyperaceae. Cyperus I^INX. Key to the Formosan Species. (Principally following to C. B. CLARKE in HOOK. f. Fl. Brit. Ind. VI. pp. 597-619). I. Inflorescence umbellate throughout or capitate ; spikelets digitate or clustered, not spicate. Style-branches linear, rarely linear-lanceolate. Very small slender annual, umbels nearly head-like, very rarely reduced to a single head. Spikelets small. Glumes mucronate . . . . C. uncinatus. Small or middle-sized, annuals or perennials ; rhozome 0, or in C. Haspan creeping. Leaves and branches moderately long, narrow, weak. In- florescence umbellate. Glumes scarcely cuspidate. Nut pale brown subequally trigonous ................ C difformis. Nut pale brown ovoid ^— £ length of obtuse glume ...... C. Haspan. Nut marble-white plano-convex (plane face against rhachilla) ...... C. flavidus. Tall perennial with green somewhat broad (broadest in the genus) often 3-nerved leaves. Umbels compound . . . ................. C. diffusus. II. Inflorescence umbellate ; spikes often more or less corynibed ; spikelets (sometimes very shortly) spicate. Style-branches linear. 104 CYPERACE^E. Series A. Rhachilla of spikelets not much winged. Leaves and bracts long (except in C. malaccensis). Annuals, or sometimes flowering the second year. i Spikelets oblong or oblong-linear 12-25 mm. long 3 mm.— 6 mm. broad C compress. Spekelets linear 8 mm.-13 mm. long 1^ mm. broad C. Iria. Rhizome becoming woody, elongate stolons frequent. Large (or rniddle-sized. Spikelets very narrow nearly filiformed 1-^nirn. broad. Leaves usually few, topmost ereat short green, ,= word-shaped, shortly caudate C. malaccensis. Leaves many, topmost spreading, long, much exceeding inflorescence . C. distans, C. nutans, C. eleusinoides. (Note : I can not satisfactorily distinguish these three species one from another). Spikelets much broader oblong or linear never filiformed !£— 3 mm. broad. Spikelets broadly linear nearly 2 cm. long 2-3 mm. broad. . . C. procerus. Spikelets oblong or linear narrower and shorter, not exceeding 8 mm. in length. Glumes not imbricate, rhachilla iiairy C. pilosus. Glumes densely imbricate, rhachilla glabrous. Nut oblong | mm. long C. densespicatiis. Nut elongately oblong nearly 1 mm. long C. mediorubra. Saries B. Rhachilla of spikelets (usually conspicuously) winged. Tall. Stolons long, hardening into creeping rhizome*. Leaves short, rarely % length of stem. Glumes approximate, closely imbricate . . C. tegeti/ormis. Tall. Rhizome very short, woody ; stolons 0, i. e. lateral shoots from base of stem immediately ascending. Glumes scarcely imbricate in fruit C. Zdlingeri. Tall or medium plants, stoloniferous or rhizome woody. Leaves and CYPEEACE^. 105 bracts long. Rhachilla of spikelets winged. Glumes closely imbricate. Stem at the base nodosely thickened suddenly constricted into a long rhizome C. rotundas. Rhizome woody long-creeping, stem at top trigonous at base nodose C. stolonifer. Stolons elongate rather slender, stem tall at base bulbose woody ; C. tuberosus. Tall. Stolons 0. Leaves and bracts long. Umbel large compound* spikes and spikelets many. Rhachilla of spikelets conspicuously winged. Anthers apiculate, not rarely crested, style (with its 3 branches) small. Nut small, ashy black. Spikes digitate scarcely peduncled long-cylindric dense, spikelets linear 12-30-fld., glumes closely imbricate, wings of rhachilla oblong persistent, anthers short-oblong not crested C. radiatus. Spikes (some) peduncled long cylindric, spikelets very many linear 8-20-fld., glumes closely imbricate, wings of rhachilla oblong persistent, anthers oblong not crested . . . . C. exaltatus. Umbel large compound, rays divaricate, spikes cylindric, spikelets very many linear 6— 40-fld., wings of rhachilla lanceolate yellow soon deciduous, anthers linear-oblong scarcely crested? nut oblong-obovoid % length of glume C. digitatus. Cyperus procerus ROTTB. - C. B. CLARKE in HOOK f. Fl. Brit. Ind. VI. p. 610 ; HEMSL. Ind. Fl. Sin. III. p. 215. HAB. Hokuto, leg. T. SOMA, Nov. 1914. Cyperus dense-spicatus HAYATA sp. nov. (Fig. 23-a-d). Caulis haud ram os us circ. 1 m. altus acute triqueter glaber erectus. Folia pauca linearia cum vaginis 60 cm. longa, laminis 7 mm. latis apice acuminatis margine integris haud scabris ; foliis caulinis nullis, bracteis basi inflorescentise insitis foliiformibus 40—50 cm. longis 6 mm. latis inflorescentiam in longitudine multo exceedentibus glabris patentissimis. Inflorescentia duplicato-umbellata sessilis 10 cm. longa 15 cm. in diametro, radiis circ. 10 patentibus 10 cm. longis rectis simplicibus vel apice umbelluliferis, umbellulis sessilibus circ. 5-radiatis, 106 CYPERACEJE. a radiis 2—3 cm. longis a basi usque ad apicem densissime spiculiferis. Spiculae lineares 7 mm. longse 2 mm. latse ; squarnis infirm persistenti excepta caducis- simis, mediis rotundatis l£ mm. longis 1^ mm. latis dorso fiubcarinatis apice ad cuspedem brevem abeuntibus subplicatis nuculam amplectantibus. Nucula oblonga £ mm. longa -J mm. lata Isevis apice basique obtusa facie plana dorso convexa subtrigona ; stylus 3— fidus. HAB. in paludosis Maruyanaa, leg. U. FAURIE, Mai. 1903, (No. 790). Near Cyperus pilosus VAHL., but differs from it by the very much densely spicate and much! shorter spikelets. Cyperus mediorubescens HAYATA sp. nov. (Fig. 23, e-g). Folia radicalia ignota. Caulis acute triqueter circ. 80 cm. altus glaber basi usque ad inflorescentiam simplex eramosus, bracteis manifestis 6 basi inflores- centise insitis ; bracteis insequilongis longioribus circ. 40 cm. longis 5-6 mm. latis apice acuminatis inflorescentiam in longitudiue 5-6-plo sequantibus. Inflorescentia ^' ' a~ ' yPerus densespicatus HAYATA ; a, umbelliformis sessilis, radii's circ. 10 simplicibus vel a scale; b, the same in apice umbelluliferis insequilongis 4-10 cm. longis glabr is, sec 3n' c' a ' the same in section, e-g, umbellulis (i.e. spicis spicularum) circ. 5— radiatis 2—5 Cyperus mediorubescens i ,'i i -i « j « « HAYATA; e, a scale; f, a cm. longis patentibus a basi usque ad apicem densissime nutlet; g, the same, in spiculiferis. Spicse (i.e. radii umbellularum) 2-5 cm. section. longse 1 cm. latse sessiles densissime spiculiferse, bracteolis basi spiculse sitis singulis. Spiculse lineares rectse 6 mm. longse 1 J— 2 mm. latse apice basique obtusse floribus utroque latere 10-12 ; squamis (glumis) mediis 1£ mm. longis apice cuspidatis castaneis. Achsenium oblongum utrinque obtusum f mm longum leave subtrigonum dorso plus minus compressum plano-convexum dorso convexum facie planuni ; styli 3-fidi. Rhachilla latere compressa hand alata. HAB. Ako : Sekisansho, leg. G. NAKAHARA, Sept. 1905. Near Oyperus pilosus VAHL., but different from it by the very much densely spicate, much shorter spiklets. CYPERACE^;. 107 Eleocharis R. BR. Eleocharis acicularis B. BROWN; MATSUM. et HAYATA Enum. PL Formos. p. 480. HAB. Taihoku : Koteisho, leg. Y. SHIMADA, Juli. 1914. Eleocharis fistulosa LINK in HOOK. f. Fl. Brit. Ind. VI. p. 626. HAB. Toyen, leg. S. SASAKI, Nov. 1910. Eleccharis capitata R. BE. ; HOOK. f. Fl. Brit. Ind. VI. p. 627 ; MATSUM. et HAYATA Enum. PL Formos. p. 480. HAB. Ako, leg. T. SOMA, Mai. 1915. "Roots fibrous, stems somewhat slender, spikelets small dense obtuse, bristles as long as nut retrorsely scabrous brown or ferruginous, nut black smooth, style 2-fid base small depressed pale". "Stems 2-1 4 in. Spikelets £-£in. pale. Bristles 7, or fewer. Nut as long as f glume, compressed, obovoid." Eleocharis (Eu-deocharis — Leiocarpicce) Shimadai HAYATA sp. nov. (Fig. 24). Annua. Caulis efoliatus 15-30 cm. longus 4- mm. latus erectus rectus glaber teres basi vaginis singuh"s instructus, vaginis 3 mm. longis tubu- losis % mm. latis Jmud fissis ore sub- truncatis apice triangulari-acutis. Spi- cula solitaria terminalis oblonga cylindrica 7 mm.-20 mm. longa 2^-4 mm. lata apice acuta basi obtusa basi Fig. 24, Eieocluiris Shimadai HAYATA ; bracteis persistentibus siiigulis instructa, a? }l scale . b> a nutlet bracteis oblongis apice obtusissimis basi Sfime i°- section. spiculam semiamplectantibus hyalinis ; squamis mediis rhomboideo-obovatis valde concavis 2^ mm. longis 1^ mm. latis apice obtusissimis basi subtruncatis. Setae 6 achsenium in longitudiue duplo 83quant&s filiformes retrorse scabrae. Achaanium flavum obovoideum 1 mm. longum ^ mm. latuni laeve dorso costato- angulatum facie plauum in sectione triangulare apice obtusissimum basi angusta- tum, stylo basi valde dilatato, partibus dilatatis conicis apicem achaanii mitra- forme obtectis. HAB. Hokuto, leg. Y. SHIMADA, (No. 14, typus) Oct. 1914 ; Dai burin, 108 CYPERACE^E. leg. Y. SHIMADA, Mart. 1908, (No. 4320); Taikokan, leg. T. SOMA, 1912, Oct. Near E. afflata STEUD, but differs from it by the much longer bristles which are as long as | nuts. In E. qfflata and E. japonica, the bristles are hardly visible from without, but in this new species, they are very conspicu- ous, and exserted beyond the glumes. Fimbristylis VAHL. Fimbristylis (Seat. Dichelostylis) aginkotensis HAYATA sp. nov. (Fig. 25). Tenuissima dense csespitosa 30-15 cm. alta. Folia basi caulis sita quam caulis multo breviora 8 cm. longa filiformia eresto-recurvata basi vaginata, vaginis 1^-4 cm. longis 1 mm. latis tubuliformibus ore obliquis, lamiiiis filiformibus 3-10 cm. longis in plicato -£-•£• mm. latis margine interiore recur vo-plicatis igitur teretibus gracillimis glabris. Scapi mm. a foliis duplo longiores 10-30 cm. longi lati gracillimi teretes vel plus minus compla- nati glabri apice spiculam singulam gerentes et apice ad bracteas abeuntes, bracteis singulis vel duabus 5-7 mm. longis linearibus apice pig- 23, Fimbristylis aginko- . . tenslf HAYATA ; a, a scale ; b, the same, obtusis imm. ktis spicas exceedentibus basi in section; C( a nutlet ^th style; d, dilatatis. Spicula ovoidea 7—8 mm. longa 3 mm. tlie same, in section, lata apice obtusa basi rotundata, squamis mediis late oblongis 3 mm. longis 2£ mm. latis apice breve acutis dorso ad setulam brevissimam productis. Nuculse obovatse l£ mm. longse -£ mm. latse laeves biconvexge dorso plus facie minus convexse apice subtruncatse basi triangulari-acutaB flavo-fulvescentes ; styli 2 mm. longi basi dilatati sursum sub ramificatione dense barbati deorsum prope basin glabri apice 2-fidi, ramis recurvis. HAB. Agincort, leg. T. KAWAKAMI, 1907, Sept. Near F. ferruginea VAHL, but differs from it by the much more dilated conical base of the styles and in the inconspicuously tessellate nuts. Fimbristylis (Sect. Dichelostylis) anpinensis HAYATA sp. nov. (Fig. 26). Planta dense csespitosa basi densissime radicifera radicibus fibrillatis. Caulis gracilis 60-40 cm. longus glaber teres subreatus vel plus minus recurvus basi squamis CYPERACE^. 109 et foliis instructus basi sursum efoliatus infloresccntis exceptis hand ramosus, squamis infimis triangularibus rninutis interioribus gradatiin elongatis longiori- bus ad folium abeuntibus. Folia subaccrosa recta erecta glabra cum vaginis 10-20 cm. longa, vaginis quam lamina duplo longioribus 2 mm. latis apice transverse vel plus minus oblique truncatis latere dorsali excepto tenuissime membranaceis hyalinis, laminis acerosis apice acutis vel obtusis margine plus minus plicato- recurvis in sectione ^Y-formi- bus glabris in explicate 1 mm. vel minus quam 1 mm. latis. Cymse subumbellatse vel corym- bosse, (radii's vel ramis 5-8, 1-6 cm. longis laxe et paucequo 1-5 spiculiferis), basi bracteis 4-5 suffultis, bracteis foliifor- mibus basi gradatim dilatatis basin cymse amplectantibus 1-5 cm. longis nunquam ramos inflorescentise superantibus. Spicula lineari-oblonga 1 cm. longa 3-4 mm. lata apice acuta basi obtusa ; squamis mediis ovato-oblongis 4£ mm. longis 2£ mm. latis apice acutis obscure 1-costatis intcgris. Nucula obovata 1 J mm. longa | mm. lata apice truncato- rotundata basi cuiieato-attenuata Isevis facie minus dorso plus convexa. Styli 4£ mm. longi apice 2— fidi (ramis glabris filiformibus 1^- mm. longis recurvis) basi hand dilatati glabri supra basin usque ad ramificationem barbati. HAB. Anpin, leg. TAKAGI, Oct. 1914. Near F. ferruginea, but separable from it by the perfectly smooth nutlets. Fimbristylis (sect. Dichelostylis) boninensis HAYATA sp. nov. (Fig. 27). Planta csespitosa ascendens. Caulis (vel scapus) 20-50 cm. longus erectus rectus valde complaiiatus (ut videtur) glaber in exsiccato multo-sulcato-striatus 2mm.-2^- mm. latus apice capitatim spiciger basi squamis et foliis suffultus, squamis exterioribus ovatis, interioribus gradatiin elongatis ad folium abeuntibus. Folia a Fi g. 26, Fimbristylis nnpinensis HAYATA ; a, a scale ; b, the same in section ; c, an ovary with the style and stamens ; d, a nutlet ; e, the same in section ; f. cellular structure of the outer coat of the nutlet. 110 CYPERACEJE. coriacea ad basin caulis conferta cum vaginis 7—35 cm. longa 5— 2|- mm. lata linearia erecta vel recurva glabra, vaginis 3—10 cm. longis cylindricis latere interiore tenuissime membranaceis hyalinis ore oblique truiicatis minute hirsutis, laminis glabris coriaceis margine sub lente minute serrulatis margine exteriore leviter recurvis. Capitula spicularum glo- bosa singulariter vel geminatim sita 2 cm. in diametro basi bracteis 2 \s\\\\ \\ \ // \\ instructa, bracteis 2-4 cm. ^5fflVU^ \\ longis foliiformibus hori- , ,., ,. ... 0 . Fia. 27. Fiiriljristylis boninensis HAYATA; a, a scale; zontaliter divancatis. Spi- ,, , b, an ovary with the style and stamens ; c, a nutlet ; a, cula dense 10-20 COllgesta the same in section; e, cellular structure of the outer coat ovoideo-fusiformis 8-12 of the nutlet mm. longa 3-5 mm. lata apice acuta' basi obtusa, squamis niediis ovato-triangu- laribus 3£ mm. longis totiusque ktis apice breve cuspidato-acutis 1-costatis integris. Nucula obtriangukri-c-bovoidea 1^ mm. longa 1 mm. lata vel minus lata apice truncata, ad centrum breve apiculata basi obtusa vel cuneato-obtusa longitudinaliter tessellata dorso plus facie minus convexa subplanoconvexa. Styli 3 mm. longi lineares % mm. lati apice 2-fidi, ramis recurvis, basi liaud vel vix dilatati apicem nuculse obtegentes medio sursum usque ad ramifica- tionern dense barbati basi cum ramis glabri. HAB. Bonin : Chichizima, leg. H. HATTORI, Sept. 1905. Comparable to some extent to F. sericea, but greatly different from it by the very much longer glabrous leaves. Fimbristylis (Sect. Eleocharioides) kagiensis HAYATA sp. nov. Annua ? csespitosa 10-15 cm. alta. CauL's (vel scapus) 8-15 cm. longus basi squamis foliis suffultus. Folia cum vaginis 6-15 cm. longa quam caulis longiora vel breviora suberecta vel ascendentia lineari-filiformia vel acerosa glabra, vaginis 1 J cm. longis laminam ^— J-plo requaiitibus tubiformibus latere interiore teiiuis- sime membranaceis, ore obliquo utraque latere auriculis rotundato-triangularibus CYPERACEJE. Ill instructo ad insertionem laminae breve ciliato, lamina 4—10 cm. longa margine interiore plicato-recurva in explicate 1 mm. lata margine glabra sed versus apicem breve serrulata ad apicem obtusa. Spicula terminalis solitaria ovoideo- globosa vel elongato-ovoidea 6-7 mm. longa 3 mm. lata basi bracteis singulis vel duabus instructa, bracteis minutis cuspidato-triangularibus 3 mm. longis basi 1^ mm. latis caducissimis glabris margine hyalinis tenuissimis medio tri-iierviis. Squamae valde coiicavae glabrse 3 mm. longge in explicate 3-4 mm. latae rotundatae brevissime mucronatae basi truncatae multinervise dorso medio castaneae versus basin margineque hyalinse ecoloratse. Nucules biconvexae l£ mm. longae 1 mm. latae apice fere rotundatae basi plus minus cuneato-angustatae fulvo-pallidae, stylis plus minus exsertis 2 mm. longis basi plus minus incras- satis sursum barbatis apice 2-fidis, ramis gracillimis desuper recurvis Jhaud barbatis rubro-ferrugineis. HAB. Kagi, leg. T. SOMA, Sept. 1914. Near F. polytrichoides VAHL, but differs from it in having whitish nutlets with the barbate styles. Fimbristylis (Sect. Trichelostylis) kankacensis HAYATA sp. nov. (Fig. 28). Rhizoma subrectum ramosum, radicibus et reliquis foliorum dense obtectum apice ad cauleui abeuns. Folia glabra basi caulis densissirne fasciculata patent! ssima cum vaginis 4— 5 cm. , longa, vaginis valde dila- tatis 13 mm. longis latissimis cum iis alteris connatis tenuibus, laminis linearibus basi latissimis sursum gradatim angustioribus basi 3-3i Fig. 28, Fimbristylis kankacensis HATATA; mm. longis crassc COriaceis valde a, «i scale; b, an ovary with the style; c, a • . , . . nutlet : d, the same in section ; e, cellular struc- rigidis supra concavis . subtus con- ture of the outer coat of the nutlet, dorsal angle vexis margine sub lente minute seen from front. duplicato-s,errulatis sursum subintegris apice obtusissimis. Scapi 10-18 cm. longi erecti recti graciles complanati (semper ?) -| mm. lati glabri plus minus sulcati a centro fasciculorum foliorum basilarium oriundi basi squamis lineari- lanceolatis 3-4 instructi versus apicem cymosi 2-4 ramosi, ramis insequalibus 112 CYPEKACEJE. minus quam 2 cm. longis ad apices spicuks capitulatirn gerentibus. Spiculae ad apicem ramulorum capitatim 4-5 sitse rotimdato-ovatse 4-5 mm. longse 3mm. latse apico obtusissinise basi rotundatse, squamis infimis (i.e. bracteolis ?) storilibus ovato-triaiigularibus apice acutis 2 min. longis ; squamis mediis ovato-triangu- laribus 2 mm. longis l£ mm. latis apice obtasis dorso prominente carinatis. Nuculse depresso-obovatse -| mm. longse toti usque latse apice truncatse basi acutaa sub lente minute tubercuktse sursum fusco-fulvescentes deorsum flavo- fulvescentes vel mature fusco-rubesccntes dorso valde convexse vel angukto- convexse facie subpknse in sectione plano-convexse vel subtrigonse ; styli 1£ mm. longi 3-fidi subglabri. HAB. Kankao, leg. B. HAY ATA, Juli. 1914. Comparable to some extent to F. jund/ormis KUNTH, but greatly different from it in having dark brown, nuts with quite glabrous styles. Fimbristylis (Sect. Eleockarioides) takaoensis HAYATA sp. nov. (Fig. 29). Rhizoma ramosum fere erectuni dense radicifcrum. Caulis csespitosus gracilliinus circ. 20 cm. longus teres vel subcomplanatus ^ mm. latus vel latior erectus apice plus minus recurvus apice ad bracteas singulas productus, bracteis interdum obso- letis fiUformibus erectis spicam cxceedentibus 1-1^ cm. longis. Folia ad basin caulis sita pauca 1-3 cum vaginis 10-15 cm. longis filiformia erecta, vaginis 2-3 cm. longis 1 mm. latis tubuliformibus ore obliquissimis glabris, auriculis late triangularibus ^ mm. longis | mm. ktis, laminis 5-6 cm. longis in plicato Fig. -29, Firr Carex hakkuensis HAYATA; . a, a glume ; b, an utriculus ; c, a nutlet ; instructs; bracteis ovatis 2mm. longis d> the section of the same; e, the section apice 2-fidis dorso interdum apice setigeris, of the glume. (setis 3 mm. longis hirsutis) basi amplexicaulibus ; ramulis ordinis I. et II. ba&i bracteis singulis et cladoprophyllis singulis instructis hirsutis ; cladopro- phyllis ramuli ordinis I. semi-urceolatis 2 mm. longis dorso infra apicem ventricosis basin rhachis semi-amplectantibus apice expansis 2-fidis dorso minute plus minus hirsutis dorso nervosis apice margineque tenuiter mem- branaceis medio basique crassiusculis ; bracteis singulis basi spiculse insitis late ovatis 2J mm. longis 3 mm. ktis apice subito subulato-acutis membranaceis ; cladoprophyllis basi spiculse insitis late ovatis 1^ mm. longis 1 mm. latis intus valde concavis extus valde convexis dorso plus minus minute hirsutis apice truncatis 2-dentatis sterilibus. Spiculse toto bisexuales cylindrico-fosi formes 8-10 mm. longse 1^-2 mm. latse apice acutse basi obtusse, floribus paucis basilari- bus fosmineis cseteris masculinis. Fl. J : squamis floris masculini elongato-ovatis 4J mm. longis 2£ mm. latis membranaceis apice obtusis medio tenuiter triner- viis, antheris 3 linearibus 2 mm. longis £ mm. latis apice obtusis apice sub microscopic pilis minutis setiformibus 4-5 instructis. Fl. ^ : squamis floris foeminei ovatis 2^-3 mm. longis circ. 2 mm. latis apice acutis basi leviter contractis. Utriculus fructifer elongato-ellipticus apice attenuatus 3| mm. longus l-£ mm. latus sursum minute hirsutus deorsum glaber trigouus basi 124 CYPEKACE^. obtusus apice 2-dentatus. Nucula fusco-castanea trigono-oblonga 1£ mm. longa 1 mm. lata apice obtusa ad stylum abeuns basi acuta ad stipitem 0.3 mm. longum abeuiis trigona ad angulos prominente carinata facie leviter concava ; stylus basi plus minus incrassatus apice 3— fidus. HAB. Hakkutaisan, leg. U. MORI, Sept. 1910. Subgenus Eucarex Coss et GERM. Utricles not, or very shortly, rostrate. Female spicules densely flowered, bracts not vaginate . . Sect. Maxima. Female spicules loosely flowered, bracts usually vaginate. Nutlet. mitrate at the apex Sect. Mitrafces Utricles long or shortly rostrate, beak 2— toothed rarely entire. Leaves never septato-nodose (excepting Car ex attiiformis) Scales f dark purple or dark brown Sect. Frigidae. Scales $ ferrugineous or pale, rarely dark-brown. Beaks of utricles 2-toothed or entire. Spicules £ mostly loosely flowered, bracts mostly vaginate ; utricles nearly straight ovate-elliptical or narrower, pale green obsoletely nervose Sect. Hymenochlcence. Spicules $ densely flowered, bracts mostly not vaginate ; utricles at length divaricate, ovate, rich brown or dark green, many-nerved Sect. Tumidce. Beaks of the utricles conspicuously 2-toothed Sect. Rhomboidales. Leaves septato-nodose (Carex pumila excepted) Utricles glabrous Utricles membranaceous long rostrate. . . Sect. Pseudo-cyperece. Utricles subcoriaceous or suberous shortly rostrate Sect. Paludosce. Utricles more or less hirsute Sect. Hirtce. Sect. Maocimce. Carex maculata BOOTT; MATSUM. et HAYATA Enum. PI. Formos. p. 495. CYPEKACILE 125 Sect. Mitratce. 1. Bracts shortly vaginate at the base ; spicules $ oblong densely flowered 2 Bracts long vaginate at the base ; spicules f narrowly cylindrical subloosely flowered 3 2. Scales of f and J long caudate at the apex C. breviculmis. Scales of f and J very shortly caudate at the apex . . C. morrisonicola. 3. Scales of male flowers acute at the apex C. orthostemon. Scales of male flowers very obtuse or truncate at the apex 4 4. Male spicules narrowly cylindrical C. tristacliya var. pocilliformis. Male spicules broadly cylindrical C. transalpine!,. Carex brevi- culmis R- BE. (Fig. 38, a-e) ; MATSUM. et HAYATA Enum. PI. Formos. p. 493. = Carex chinensis HA- YATA Mater. Fl. Formos. p. 381 (non Eetz.). Carex morri- sonicola HAYATA Mater. Fl. Formos. p. 387. Carex trista- chya THUXIJ. var. pocilliformis KUK. (Fig. 38, j-m); MA- TSUM. et HAYATA Enum PI Formos Fi£- 38, a-e, Uarex Ireviculmis E. BE ; a, a glume : b, sec- tion of the same ; c, fin utricle ; d, section of the same ; e, a nutlet. p. 496. Csespitosa. f-i, Carex orthostemon HAYATA; f, a glume; g, an utricle; h, sec- C1 1°q b «?" fnliis 3—4 **on °^ *^e same! ^» a nutlet- j-i^> Carex tristachya THUNB. var. pocilliformis KUKENTH ; j, a glume ; k, an utricle ; 1, section of the suffultus glaber erectus same; m, a nutlet. 126 CYPEEACE>E. gracillimns 20-25 cm. longus paucissime ramosus vel hand ramosus versus apicem spiculas 2-4 gerens. Folia basi caulis 3-4-quasi-fasciculata lenuiter eoriacca hand rigida glabra vaginata cum vaginis 10-25 cm. longa quam caulis breviora, vaginis 3 cm. lougis l£ mm. latis ore obliquis iiitegris, (ligulis integris brevissimis lamelliforrnibus), laminis linearibus 7—22 cm. longis 2 mm. latis apice acuminatis margine subintegris sed sub lento retrorse minute molle- que setulosis utraque pagine glabris. Spiculse paucae versus apicem caulis 2—4 sitse ; inferiorcs latcralesque foaminese ; terminales bisexuales sursum floribus fcemiiieis deorsum floribus masculinis instructse ; vel terminales masculinse. Spiculse masculinse erectse terminales triquetrse cylindrico-filiformes 1—2 cm. longse ij— f mm. lataj, (bracteis obsoletis). Fl. J ; squamis mediis vagini-formibus 2 mm. longis apicc obtusissimis tenuiter hirtellatis ore obliquissimis glabris ; stamina 3, filamentis glabris brevibus dilatatis fere perfeete se connatis, antheris linearibus 1 mm. longis apice basique truncatis ; rhachillse rectse. Spiculse foeminese cylindrico-linearcs 15-18 mm. longse 3 mm. latse erectse sessiles vel graciliter pedicellatse. Fl. f : squamis mediis triangulari-ovatis 2 mrn. longis l£ mm. latis utriculum fere amplectantibus 1— costatis apice triangulari-obtusis glabris. Utriculus trigono-obovoideus 2 J mm. longus 1 mm. latus apice breve late oblique rostratus, (rostris exteriorc recurvis) basi cuneatus hirsutus multo costulatus apice baud dentatus sed tenuissime fissus crassiusculus. Nucula castanea trigono-rhomboideo-obovoidea If longa 1 mm. lata sublsevis apice truiicata basi oblique constricta brevissime stipitata., stipite crasso, apice truncata plus minus depressa partibus basis styli dilatis mitrifbrmibus coronata. Stylus apice trifidus. Bractse basi spiculse infimse insitse foliiformes spiculas 2-plo supcrantes. HAB. Ritozan, leg. T. KAWAKAMI, Juli. 1913, (No, 4). Near G. tristachya THUNB. ; but differs from it in having obovate, much shorter nutlets. Carex orthostemon HAYATA (Fig. 38, f-i), Mater. Fl. Formos. p. 389. Carex transalpina HAYATA Mater. Fl. Formos. p. 398. Sect. Frigidce. Scales of male flowers distinctly costate, costa pale yellow. . . . C. Shimadai. Scales of male flowers not at all or very slightly costate. . C.fulvorubescens. CYPEKACELE. 127 Carex Shimadai HAYATA (Fig. 39, a-e), Mater. Fl. Formos. p. 396. Carex fulvo-rubescens HAYATA (Fig. 39, f-j), Mater. Fl. Formos. p. 383. Fig. 39, a-e, Carex Shimadai HAYATA ; a, a glume ; b, section of the same ; c, an utricle ; d, section of the same ; e, a nutlet, f-j , Carex fulvo-nibescens HAYATA ; f, a glume ; g, section of the same ; h, an utricle ; i, section of the same ; j, a nutlet. Sect. Hymenochlceiwe. . Carex longispica HAYATA Mater. Fl. Formos. p. 386. Carex Nakaharai HAYATA (Fig. 40, a-d), Mater. Fl. Formos. p. 387. Carex bilateralis HAYATA (Fig. 40, e-i), Mater. Fl. Formos. p. 380. 128 CYPERACE^E. Carex brunnea THU^B. (Fig. 40, j-n) ; MATSUM. et HAYATA Enum. PI. Forme?, p. 493. HAB. Kotosho, leg. T. KAWAKAMI et S. SASAKI, Juli. 1912. f d Fig. 4O, a-d, Carex Nakafiarai HAYATA ; a, a glume ; b, an utricle ; c, section of the same ; d, a nutlet, e-i, Carex lilateralis HAYATA ; e, a glume ; f , section of the same ; g, an utricle ; h, section of the same ; i, a nutlet, j-n, Carex brunnea THTJNB. ; j, a glume ; k, section of the same ; 1, an utricle ; m, section of the same ; n, a nutlet. Sect. Tumidce. Lateral spicules f, with a few male flowers at the base, bracts long vagi- nate, vaginae purple, ^-scales fusco-rubescnt C. alliiformis. Lateral spicules only ^, bracts not vaginate, ^-scales pale-yellow, or sordid stramineous. Utricles 2£ mm. long (7. pseudojaponica. Utricles 4 mm. long C. Kawakamii. Carex alliiformis C. B. CLARKE j KUKENTHAL Cyper.-Caricoid. in Pfl.- reich p. 618. Carex purpurascens KUK. ; MATSUM. Ind. PL Jap. II.-l p. 129. HAB. Okinawa. CYPERACE.E. 129 392. Carex pseudojaponica HAYATA (Fig. 41, e-d), Mater. Fl. Formos. p. Carex Kawakamii HAYATA (Fig. 41, e-h), Mater. Fl. Formos. p. 385. Fig. 41, a-d, Carex pseudojaponica HAYATA; a, a glume; b, an utricle: c, nutlet; d, sec- tion of the same, e-h, Carex Kawakamii HAYATA; e, a glume; f, an utricle; g, section of the same ; h, a nutlet, i-j, Carex dbtusdbracteata HAYATA ; i, a glume ; j, an utricle ; k, section of the same ; 1, a nutlet, m-q, Carex chinensis EETZ ; m, a glume ; n, section of the same ; o, an utricle : p, section of the same ; q, a nutlet. 130 CYPERACELE. Sect. Rhomboidales. 1. Male spicules lineari-cyllndrical. Female spicules cylindrical 2 Male spicules often subclavate. Female spicules oblong or ovate C. arisanmsis. 2. Scales obtuse C. obtusobracteata. Scales acute or caudate 3 3. Culms lateral C. atronucula. Culms central O. chinensis. Carex arisanensis HAYATA (PI. XVIII.) Mater. Fl. Formos. p. 378- Dense csespitosa ; rhizoma hand repens. Caulis tenuissimus primum erectus sed frnctibus maturis deorsum recurvus trigonus ad angulos anguste alatus interdum efoliatus basi squamis linearibus instructus, interdum foliis radicali- bus et foliis caulinis basikribus suffultus gkber simplex vel interdum versus apicem ramo singulo instructus ; squamis basi caulis 3— 4-sitis. Folia 3—4— fesciculata (fasciculis basi squamis 3-4—suffultis), cum vaginis 10— 40cm. longa cauli breviora vel sequilonga, vaginis 1— 3cm. longis primum tubiformibus demum toto fissis triquetris dorso promineiite carinatis utroque ktere apicis auricuk 5 mm. longa apice obtusa f mm. lata latere altero cum kminis connata ktere altero libera tenuissime membranacea Integra insfcructis gkbris ; kminis linearibus 7-40 cm. longis 3-7£ mm. latis apice lineari-aeuminatis, costa supra impressa subtus carinato-elevata, utraque pagine gkbris margine scaberrimis chartaceis suberectis. Caules vel rami caulis apice spiculas 1-3 gerentes, spiculis se approximatis. Spicuk terminalis singuk masculina, iis kteralibus foemineis vel bisexualibus bractea singuk instructis, bracteis spicam in loiigitu- dine sequantibus vel earn superantibus ; spicuk lateralis breve vel loiige pedicelkta, pedicellis basi vagina una instructis, vaginis tubiformibus 1 mm. longis subventricosis hyalinis ckdoprophylli-forniibus ; spicuk masculina pedi- celkta, (pedicellis 2 mm. longis haud vaginatis), subclavato-cylindrica 6 mm. longa 1 mm. lata triquetra apice obtusa ; squamis mediis oblongis 2£ mm. longis 1 mm. latis apice obtusissimis integris 1-costatis basi rhachin complete CYPEKACE.E. 131 amplectantibus; stamina 3, filamentis fib'forrnibus 3mm. longis basi plus minus dilatatis, antheris linearibus 2 mm. longis £ mm. latis apice subacutis basi sub- truncatis. Spicula foeminea in ambitu cylindrica 6 mm. longa 2mm. lata 5-6— florata ; matura 2-3 fructifera ; squamis mediis fructiferis ovato-oblongis 2£ mm. longis l£ mm. latis apice obtusis basi rhachiu semi-amplectantibus glabris integris. Utriculus maturus trigonus ovoideus fusiformis apice longe-rostratus cum rostris 6 mm. longus 2 mm. latus basi acntus tenuiter multi-striatus glaber, rostris 2-3 mm. longis apice 2-dentatis. Nucula obovoideo-trigona 3 mm. longa 2 mm. lata apice obtusissima basi acuto-obtusa subflava Isevis ; stylus ad basin geniculatim anteriore recurvus tune subito angulo recto ascendens apice 3-fidus glaber. HAB. Mt. Arisan, 7400 ped. alt., leg. B. HAYATA, Aprili. 1914. Very much resembles O. jttipes FR. et SAV. (KUKENTHAL Cyperacese- Caricoidefe in ENGL. Pfl.-reich p. 640, fig. 109), but differs from it in the more approximately flowered female spicules, and in the very much shortly peduncled male spicules. A sheath which is very much like cladoprophyllum is always present at the base of the pedicel of a lateral spikelet. Carex obtusobracteata HAYATA sp. nov. (Fig. 41, i-1). The description will be given in the next volume. Carex atronucula HAYATA Mater. Fl. Formos. p. 379. Carex chinensis RETZ. (Fig. 41, m-q) ; BOOTT Illustr. I. (1858) pp. 13 et 74 t. 36 ; MATSUM. et HAYATA Enum. PI. Formos. p. 494. Carex sociata HAYATA Mater. Fl. Formos. p. 398 (non BOOTT.) Sect. Pseutlo-cyperece. Carex Sasakii HAYATA (Fig. 42, a-e), Mater. Fl. Formos. p. 395. HAB. Nanto : Suisha, leg. U. MOEI, (No. 3749). Sect. Paludosce. Carex pumila THUNB. (Fig. 43) ; MATSUM. et HAYATA Enum. PI. Formos. p. 496. 132 CYPERACE.E. I £ Fig. 42, a-e, Carex Sasakii HAYATA ; a, a glume : b, an titricle ; c, the same, seen from side ; d, section of the same ; e, a nutlet, f-i, Carex hebecarpa C. A. MEY. var. ligulata RUK. ; f, a glume ; g, an utricle ; h, section of the same ; i, a nutlet. Fig. 43, Carex pumtta THTJNB. x 6 ; a, a glume ; b, an utricle ; c, section of the same ; d, a nutlet. CYPERACE.^. 133 Sect. Hirtaf. Carex hebecarpa C. A. MEY var. ligulata (Nees) RUKENTHAL (Fig. 42, f-i), Cyperacese-Caricoidese p. 745 ; MATSUM. Ind. PL Jap. II.-l p. 113. HAB. Musha : Sakuragamine, ad 8000 ped. alt., leg. ,R. PRICE, Oct. 1912. Agrees pretty well with the specimens so labelled in the herbarium at Tokyo. Section uncertain. Carex reflexi- styla HAYATA (Fig. 44) ; Mater. Fl. Formos. p. 393. Carex Dunni HAYATA Mater. Fl. Formos. p. 382. Carex tatsuta- kensis HAYATA sp. nov. (Fig. 45). Densi- ssime csespitosa, rhizo- matibus brevissimis haud repeiitibus, radict- bus fibrosis rigidissimis. Caules semper quasi- gemini basi foliis 3-4 suffulti, 4-10 cm. longi foliis breviores, alter longior, alter multo brevior ; caulis longior apice spiculam inasculi- iiam terminalem singu- lam et spiculas fo3mineas duas laterales gerens ; caulis brevior spicula fteminea singula section of the same ; b, an utric'e ; c, section of the same ; d, a terminatus ; caulis haud nutlet ; e, the same, seen from another side. 134 CYPERACE^E. ramosus, foliis caulinis nullis ; bracteis ba.si spi- culse iiisitis (seel spicula fceminea terminalis caulis brevioris baud bracteata), bracteis inferioribus longi- oribus 7—8 cm. longis spi- culas 5-6-plo superanti- bus, foliiformibus ; bracteis basi spiculse masculinse iiisitis setseformibus brevi- oribus spiculas in longi- tudine sequantibus. Folia tenuiter coriacea 4-5- fasciculata, fasciculi's basi squamis ovatis fuscentibus 3_4 ingtructig foljis in_ the same; f, section of the same. terioribllS longioribllS CUin vaginis 16 cm. longis cauli longioribus, vaginis plus minus purpureis tubuliformibus 2—3 cm. longis l£ mm. latis latere uno fissis vel baud fissis glabris ore obliquis, ligulis brevissimis lamelliformibup integris haud ciliatis, laminis linearibus 10-13 cm. longis l£ mm. latis acuminatis margine sub lente scabriusculis supra sub lente vix scabriusculis subtus glabris. Spiculse in cauli longiore circ. 3 versus apicem caulis approximatim dispositse ; terminalis uias- culina ; lateralibus foemineis ; spicula in caule longiore masculina terminalis cylindrica erecta 1 cm. longa, bracteolis obsoletis, squamis totis fertilibus quam squama spiculaa foernineae lougioribus ; spicula foeminea lateralis pedicellata, pedicellis 3-5 mm. longis complanatis latere hirsutis erectis ad basin bracteis singulis et bracteolis singulis instructis ; bracteis foliiformibus iuferioribus longissimis 8 cm. longis quam spicula multo longioribus, superioribus 2-3 cm. longis ; bracteolis ad basin pedicelli singulariter sitis palei-formibus linearibus 2£ mm. longis ^ mm. latis apice truncatis hyalinis ecoloratis basin pedicelli seoii- amplectantibus ; squamis (glumis) spiculse foamineaa totis fertilibus mediis elongato- a, a glume; b, section of the same ; c, an utricle ; d, a nutlet ; e, stipe of CYPERACE.E. 135 oblongis 4 mm. longis 2 mm. latis apice acutis basi baud contractis rhachin spiculse complete amplectantibus dorso prominente carinatis, carinis apice ad setulam 1-2 mm, scabram abeuntibus. Utrieulus obovoideo-fusiformis 5^-6 mm. longus 2 mm. latus trigouus facie concavus apice anbito attenuatus ad summum breve bi-deutatus basi gradatim acuminatus brevissime hir- sutus, pilis Y^mm. longis transverse patentibus. Nucula obovoidea trigona facie concava ad angulos prominente carinata apice obtusa basi triangulari- acuta stipitata, stipite 1^ mm. longo cum utriculo fere periecte connate apice libero et geniculatim recurvo, stylo basi leviter incrassato medio sursum 3-fido, ramis gracilibus crispato-recurvis. HAB. Musha : Tatsutaka, ad 7000 ped. alt., leg. W. E. PRICE, No. 797. The culms of this new species appear to be always in pair which are supported by a single fascicle of leaves at their base ; but in reality, they are not in pair. That they appear to be in pair, is due to the fact that a single culm bears a single branch at its very base. Carex Morii HAYATA sp. nov. (Fig. 46). Folia radicalia ignota. Caulis ereetus circ. 80cm. longus acute triqueter gracillimus 1-1^ mm. latus glaber. Folia caulina infer! ora a i?e 15—30 cm. distantia linearia cum vaginis 25 cm. longa, vaginis atro-purpureis 2— 4cm. longis nitidis tri- quetris prismaticis 3-4 mm. latis ore obliquissimis apice gradatim ad limanam abeuntibus, laminis planis circ. 20 cm. longis 4£ mm. latis apice acuminatis cori- aceis margine integris scabris facie scabris ; folia caulina basi ramos 1—2 amplectanti- bus, ramis gracillimis erectis. Spiculfe ad apicam caulis vel ramorum laxe paniculatim C ' dispositse, paniculis in circumscriptione Fig. 46, (7«re* Jforii HAYATA x 12 ; a, a scale ; b, the same in section ; c, an linearibus circ. 25 cm. longis 4 cm. latis, utricle ; a, a nutlet. 136 GRAMIXEJE. pedicellis spiculse gracillimis ^—2 cm. longis, bracteis sub ranio sitis castaneo- coloratis vaginiformibus 1— 1£ cm. longis apice setseformibus. Spiculse inferiores bisexuales, superiores masculinse ; spicula masculina lineari-cylindrica plus minus recurva 2-3 cm. louga 1^ mm. lata apice acuminata basi obtusa, squamis in- ferioribus sterilibus ; squamis mediis ovatis 4| mm. longis 2 mm. latis apiee acutis ; stamina 3, filamentis glabris, antheris linearibus 2 mm. longis \ mm. latis apice ad connectivum brevissime productis, partibus productis subacutis, basi auriculis brevissimis ; spiculse bisexuales obovatse brevissime pedicellatse 5 mm. latse pauci-floratse ; fl. ^ medii : squamis (glumis) ovatis 3J-4 mm. longis 2 mm. latis utriculo brevioribus apice acutis obtusis vel cuspidatis margine integris basi perfecte rhachin utriculi amplectaiitibus glabris dorso 1— costatis. Utriculus fusiformis 6^ mm. longus 1£ mm. latus apice rostrato- attenuatus ad summum 2-dentatus basi breve attenuatus dorso convexus facie concavus utraque hirsutus tenuiter multo striatus. Nucula elongato-obovoideo- elliptica 3^—4 mm. longa 1 J mm. lata Isevis dorso coiivexa facie plana apice abrupte rostrata ad stylum abeuiis. HAB. Formosa, loco non indicate, leg. U. MORI, 1912. G ramineae. Arundinarta MICH. Arundinaria Kunishii HAYATA sp. nov. (Fig. 47). Frutex. Rhizoma repens circ. 40cm. longum 1 Jem. in diametro plus minus recurvum, internodiis 2-2^ cm. longis, squamis complete obtectum, squamis stramineis glabris 5cm. longis apice triangulari-obtusis inter- dum 2-fidis complete rhizoma amplectantibus. Fi^' 47' A™**™* HATATA ; a, an apical portion, a sheath Turio crectus rectllS e rhizomate lateraliter of turion ; b, the same, magnified seen i i from surface ; c, the same, seen from ormndus deorsum purpurascens sursuni back ; d, the same, in vertical section ; viridescens sparse hirsutus llitidus. Clllmus a, natural size; others magnified. GRAMIjSTELE. 137 erectus rectus 6 m. altus, 2 cm. in diametro ; vagina clecidua purparea apice attenuata primum ad sumrnum truncata sparse hirsuta demnm glabra nitida mar- gine ciliata apice utroqne latere auriculis minutis et setis auricularibus instructa, psendophyllis lineari-triangularibus 5 mm. longis 4 mm. latis apice acuminatis, ligula brevissima villosa ; merithallium nitidum medium 25 cm. longnm 9 mm. latum ; lignum 1^-mm. crassum ; canalis 5^- mm. in diametro; pulvillus inferior prominente annuliformis, pulvillus superior tenuiter elevatus, pulvilli a se 7 mm. distantes ; squama bicarinata bifida subglabra. Kami ternatim siti simplices vel pauciramulosi, ramulis 3-5-10-foliatis ; vaginella valde imbricate 5—10 cm. longa complanata ore truncata, setis auricularibus utroque latere circ. 10 erectis rectis vel crispatis ; ligula brevissima hirsuta. Folia lineari-lanceo- lata 15— 24cm. longa 2-3^ cm. lata apice subito acuminatissima basi abrupte ad petiolum 5-7 mm. longum abeuntia margine sursum latere uno hirsuta latere uno sea-bra, nerviis secundariis utroque latere costre 7-11, venulis inter nervos secundarios 7. HAB. Nanto: Rinkiho et Rosuiko, Aprili. 1916, leg. B. HAY ATA ; Kagi : Shokosho, culmus 10 in. altus 2| cm. in diametro. Near Arundinaria japonica, but. differs from it in having ternate branches, and in having shining vaginas of the turions. The vaginas of A. japonica is quite lusterless. Arundinaria niitakay amen sis HAYATA in Tokyo Bot. Mag. XXI. p. 49 et M. Mont. %ormos. p. 240. Sasa niitakayamensis CAMUS Bambus. (1913) p. 24. In our species, the stamens are usually in three, and the branches are always ternate, — characters quite assignable to Arundinaria, but not to Sasa. As Monsieur CAMUS gave no comment, I can not understand on what ground did he transfer this species to Sasa. Arundinaria oiwakensis HAYATA sp. nov. (Fig. 48). Frutescens. Rhizoma horizontaliter sympodialiterque repens, partibus novellis squamis imbri- catis obtectis, 5 mm. crassum, radicibus teretibus incrassatis 4 mm. in diametro. Turio erectus rectus purpurascens hirsutus multistriatus, striis viridescentibus, pilis albis vel fulvescentibus caducissimis obtectus; vaginae mediae turionis sub- coriacea? caduca3 dorso hirsutae instus glabrse nitidsa basi ad insertionem dense 138 GRAMIKELE. villoso-hirsutse margine ciliolatae ; pseudophyllis minutis linearibus vel triangulari-linearibus 7-8 mm.-25 mm. longis basi 1£ mm. latis extus glabris intus basi hirsutis semper deflexis intns canaliculatis ; auriculis nullis ; ligula lineari-triangularis erecta recta apice fimbriato- ciliata cum ciliis 5-10 mm. longa, ciliis validis 3-4 mm. longis erectis subrectis sub lente hirsuto-scabridis. Culmus distante situs rectus erectus 300cm.-440 cm altus, parte inferiore non ramifera 130 cm.-140 cm longa 9 mm. in diametro, teres haud striatus ; merithal- lium inferius 23 cm. longum 8 mm. in diametro. lignum 2 mm. crassum ; canalis medullaris 3 mm. in diametro ; inferior pulvillus infundibulari-prominens elevatus, superior pulvillus leviter elevatus, pulvilli a se 4—5 mm. distantes ; squama bicarinata usque ad Dasin sequaliter bifida 2cm. longa ad carinas hirsuta cseteruni glabra. Rami niulto-fasciculati 60 cm. longi haud solidi foliiferi ; ramuli tenuissimi 3— 5-foliiferi. Foh*a lineari-lanceolata 8-15 cm. longa 1— 1£ cm. lata apice acuminata acuminatissima basi triangulari-cuneata ad petiolum brevissimum abeuntia margine scabra, uervis secundariis 2— 3-pariis, nervulis 8 inter secundarios ; vaginella 4-6 cm. longa, setae auriculares 8-10 erectis rectis scabris ; ligula obloiiga 1^- mm. longa obtusissima hirsuta. Inflorescentia cum ramis foliiferis intermixta ad apicem ramuli termiualis. Spiculae 7—10 laxe paiii- culatim dispositae longe pedicellatae. Spicula matura non visa. HAB. Musha-Oiwake, ad 7000 ped. alt., leg. B. HAYATA, Aprili. 23, 1916. Very near A. niitakayamensis HAY., perhaps a form of the latter. Arundinaria TTsawai HAYATA sp. nov. (Fig. 49). Rhizoma longe repens lateraliter turiones gerens 8 mm. in diametro. Turio erectus rectus Pig. 48, Arundinaria oiwakensis HATATA; a, a sheath of a turion ; b, the same, seen from surface ; c, the same, seen from back ; a, natural size ; others magnified. GRAMINE^E. 139 purpurascens haud nitidus opacus ; vagina media purpuras- cens opaca haud nitida scabra pilis brevissimis fusco-purpureis triangulari-formibus adpresse con- spersa margine sursum ciliolata ; setae auriculares utroque latere apicis vaginae 4-5 sitse rectse erectsc hirsutse ; ligula brevissime hirsuta ; pseudophyllis minutis longc triangularibus 4 mm. longis l-£ mm. latis apice acuminatis. Culmus distant? 3 m. altus prope basin 1— 1£ cm. in diametro toto vaginis persistentibus obtectus, partibus lion ramiforis 110cm. Fi9- 49> Anmdinaria Usawai HAYATA; a, a sheath of a turio; b, the same seen from back; c, longis ; merithallium inferius 25 the Ba!aie seen from surface ; d, vertical section of cm. lono-um 14mm. in diametro *^e ^m6"* e» another sheath; f, the same seen from surface ; g, the same, seen from back ; h, hairs on pulvillis a so 7 mm. distentibus, tte surface . a and e§ natural size . otners more or pulvillis inferioribus prominente less magnified. annuliformibus, pulvillis superioribus haud vel vix promineiitibus ; lignum 3 mm. crassum ; canah's medullaris 7 mm. in diametro ; squama bicarinata 2-fida, segmentis linearibus 15 mm. longis ad carinas hirsutis. Rami ternati vaginati, centrale majore, laterales minores. Ramuli vaginati vel iiiterdum nudi 1— 2— foliati ; vaginella circ. 5 cm. longa glabra apice utroque latere auriculis minutis et setis auricularibus instructa, ligula minuta fimbriata hirsuta. Folia lineari-lanceolata 11— 31 cm. longa 13— 43mm. lata apice acuminatissima basi plus minus oblique obtusa ad extreinitatem subito cuneata ad petiolum 2-5 mm. longum abeuntia margine scabra, nervis secundariis utroque latere costse 5—8, nervulis inter secundarios 7-10. HAB. Shishitao ad 2000 ped. alt,, leg. B. HAYATA, Aprili. 1916. typus !. Near A. japonica, but differs from it bj the ternate branches on the culms and by the not hairy scabrous lusterless presistent sheaths. 140 GRAMINItLE. Phyllostachys SIEB. et Zucc. Phyllostachys pubescens H. LEHAJE Nat. Syst. Bamb. in Act. III. Congr. Int. Sot. jf.'23!3 tt. 55-57. Phyllostachys mitis Riv. ; MATSUM. Ind. PL Jap. II- 1 p. 94. HAB. Rosuiko, cult., leg. B. HAY ATA, April! . 1916. Note : — Rhizome repens, calms distant, erect, side branches single or in pairs. Phyllostachys formosana HAYATA sp. nov. (Fig. 50). Arborescens vel frutex. Rhizoma repens ; turio purpurascens plus minus maculatus glaber, vagina medio margine haud ciliolata glabra teuuiter membranacea apice abrupte ad pseudophyllum abeuns truncata, partibus truncatis 1 cm. latis, apice haud auriculata setulis auricularibus nulh's ; ligula subuulla ; pseudophyllum a Pig. SO, Phyllostachys formosana HAYATA ; a, apical portion of a sheath of a turion, seen from siirface ; b, the same, seen from back ; c, vertical section of the same ; natural size. lineare 16 em. longum 3 mm. latum apice acuminatuni margine midulatum et interiore recurvum. Culmus distans 7 m. longus a basi usque ad 2 m. altitudinem 3^- cm. in diametro, rotundatus in sectione, canalis 2£ cm. in diametro ; lignum ^ cm. crassum ; merithallium in 2 m. altitudinem mediocriter 10 cm. longum valde variabile interdum irregukre ut Bambusa lieterodada ; pulvillus inferior distincte elevatus annuliformis, pulvillus superior tenuissime elevatus a iis in- ferioribus 3 mm. distans ; merithallium ramiferum in sentione Q— forme, ramis solitariis vel geminis. Ramuli graciles 1-2— foliati ; vagiuella 3 cm. longa 1 mm. lata latere convoluto-imbricata latere sursum ciliolata apice pubescens, auriculis insequalibus, una majore una minore, semi-rotundatis hirsutis, ligula minuta hirsuta, setis auricularibus non exist is. Folia lanceolata vel lineari- lanceolata 8-12 cm. longa 17 mm. lata apice acuminata basi obtusa ad petioluin 3—5 mm. longum abeuntia margine sea bra, nervis secundariis utroque latere GRAMIKEJE. 141 cost.se 4-5, veiiulis inter secundarios 7. HAB. Rinkiho : Daikosho, leg. B. HAYATA, Aprili. 2, 1916. Near P. aurea, but differs from it by the turions with purple maculated vaginae and in the absence of the auricular setse. Phyllostachys lithophila HAYATA sp. nov. (Fig. 51). Arborescens. Rhizoma horizontal! ter longe repens teres 2£ cm. in diametro. Turion glaber fulvo-purpurascens plus minus maculatus striatus, squama media apice obtusa vel acuta, partibus apicaribus cum pseudophyllo sequilatis, apice niargine hir- suta ; ligula brevissima % mm. longa apice truncata hirsuta ; pseudophyllum triangulari-lineare in specimine nostro 8 mm. longum 3 mm. latum basi grada- tim latins haud contractum utraque glabrum, partibus basilaribus carnosis intus hirsutis. Culmus minutissime striatus distans erectus rectus 15 m. altus. Merithallium in 2 m. altitudiiie 4^ cm. in diametro perfecte circulare in sectione ; h'gnum 6-7 mm. crassum ; canah's medullaris 3 cm. in diametro j pulvillus inferior acute tenuiter elevatus, pulvillus superior obscure tenuissime elevatus, vulvillis a se 4 mm. distantibus. Rami ge- Fig glj Phyllostachys lithophila HAYATA ; a, an apical portion mini vel solitarii • °f a sheath of a turion ; b, the same, seen from within ; c, the same in vertical section ; all figures magnified. ramuli 1-3-fohati, vaginella 3-4 cm. longa apice hirsuta, setis auricularibus paucissimis geueraliter obsoletis nullis ; ligula membraiiacea cylindrica 2 mm. longa uno latere fissa hirsuta. Folia lineari-lanceolata 10-20 cm. lata apice acumiiiatissinia basi rotundata vel cuneata ad petiolum 2-7 mm. longum abeuntia supra glabra subtus basi hirsuta cseterum gkbra, margine uno laevi, uno scabro, nervis eecundariis utroque latere costse 5-6, veiiulis inter secundarios 9-10. HAB. Rinkiho : Chorin, leg. B. HAYATA, Aprili. 1916. Near P. Makinoi HAYATA, but differs from it in having vagime passing GRAMINKSS. to the pseudophylla which are very much smaller than th je'of P. Makinoi and in the absence of the auricular setae in the leaves. Turions of this new species are much paler than those of P. Maldnoi. Phyllostachys Makinoi HAYATA (Fig. 52) Ic. PI. Formos. V. p. 250- Descriptio ancta : Arborescens. Rhizoma repens teres vel cornplanatum 2cm. in diametro. Turio fusco-pur- purascens ; vagina purpureo- maculata apice obtusa subito truncata, partibus truncatis quam basi pseudophylli duplo latiori- bus, apice haud auriculata haud setosa ; ligula lata quam pseudo- phyllum duplo latior, extus pubes- cens intus glabra iiitida apice truncata in specimine nost.ro 20-7 mm. lata 2 mm. longa ; pseudo- phyllum lineari angustum in speci- mine iiostro 2-8 cm. longum 3^-8 mm. latuni apice acuminatum basi latissimum supra basin subito con- tracturn glabrum. Culmus rectus erectus 15 m. altus. HAB. Rillkiho: Rosuiko Fi» S2> P^^atachys Makirui HATATA; a, a ' sheath of a turion, seen from without; b, the same, leg. B. HAYATA, Aprili. 2, 1916. seen from within ; natural size. Phyllostachys nigripes HAYATA sp. nov. (Fig. 53). Rhizoma repens tcres 6 mm. in diametro fuscens. Turio deorsum purpurascens sursum viridis glaber ; vagina media in specimine nostro 4 cm. longa 1£ cm. lata apice mem- brauaceo-coriacea apiee obtuso-truncata quam basis pseudophylli latior margine ciliolata, auriculis nullis ; ligula f mm. longa intus glabra extus hirsuta apice truncata hirsuta. Pseudophyllum lineari-triangulare 9 mm. longum 2£ mm. latum. Culmus gracilis fusco-purpurascens 100 cm. altus. Merithallium medium 13 cm. longum 4£ mm. in diametro in sectione Q forme uno latere sulcatum ; pulvillus inferior ammlariter prominens, is superior plus acute prominens a GRAMINEJE. 143 eo iuferiore l£ i «\i. distans, iiodiis valde prominentibus ; squama bicarinata longe linearis 2-3 cm. longa 1-2 mm. longa extus hirsuta. Kami generaliter gemini ; ramnli 3-foliati ; vagi- nella 2£ cm. longa glabra, setis auricularibus utroque latere apicis 4—5 circ. 6 mm. longis ; ligula obtusa 1 mm. longa obtuso-trun- cata extus hirsuta intus glabra apice eroso-ciliolata. Folia lineari- lanceolata 8-9 cm. longa 11—14 mm. lata apice acuminatissima basi obtusa ad petiolum 4—7 mm. longum abeuiitia supra glabra subtus prope basin costse hirsuta Fig S3> phyUostachyS nigripes HAYATA; a, a Ccfiterum glabra margine UHO sheath of a turion seen from surface ; b, the same ; c, the same, seen from within ; d, the same, in vertical latere scabra uno latere glabra, BeetiaDf showing the ligule; a, natural size; others nervis secundariis utroque latere magnified. 4-5; venulis inter secundarios 9—10. HAB. Rosuiko : Yushako, leg. B. HAYATA, April. 5, 1916. Near P. pubenda var. nigra, but distinguishable from it in having quite glabrous turions. Bambusa SCHBEM. Bambusa breviflora MUNRO Monograph p. 96 ; CAMUS Bambus. (1913) p. 118. " Chaume inerme, arborescent ? presque plein, dur, brillant; entre-noeuds longs de 13-16 cm. ; rameaux fascicules aux noeuds, les inferieurs noueux a k base, arrondis, simples ou rameux, florif eres au sommet, souvent feuilles a la base, mais a feuilles promptement caduques, rameaux du sommet souvent feuilles, mele"s a d'autres florif eres nus a la base. Feuilles lanceolees, longues de 4-10 cm. krges de 12-18 mm. arroudies a la base, a petiole court comprime, acuminees-setacees an sommet, a bords rudes a peine dentes, glabresceutes en dessus, hirsute en dessous, munies de 4-5 paires de nervures laterales visible et d'autres intermediaires beaucoup plus faibles ; gaiiies sillonnees, glabres, auriculees, a oreilles ciliees ou parfois loiiguement fimbriees (18 mm.) Panicule 144 GRAMINE^E. sur des rameaux ou ramuscules terminaux, en epis verticilles, a verticilles formes de pen d'epillets et a pen pres equidistants. Epillets brillants livides, courts, au plus de 14mm. de long, pauciflores, a 5-7-fl., subcylindri- ques, aigus ; racheole courte, articulee. Fleurs superieures et inferieures graduellement imparfaites, les nioyennes 2-3 hermaphrodites. Fleurs ^ : Glumelle infer, nerviee, glabre, obtuse, souvent mucronee ; glumelle super, depassant un peu la sup. 2-carenee, a carenes finement fimbriees vers leur somniet, munie de 5-7 nervures entre les 2 carenes. Glumellules non visible- ment iierviees, finement fimbriees. Antheres a connectif obtus allonge. Style surmoiite par 3 stigmates. .Ovaire stipite, obove, hirsute au sommet. Chine, Forinose : Tamsuy (OLDHAM), Linthao (CANTKO)." HAB. Mt. Kwannonzan. Bambusa dolichoclada HAYATA sp. nov. (Fig. 54). Khizoma breve ^•, \<± W* erectum cra^suufi teres' 4^ cm. in diamctro. Culmus haud spinosus breve csespitxisus 10 cm. altus in 2 m. altitudinem 4^ cm. in dianietro tercs circularis in sectione viridis ssepe extus albo-cerifer a basi ramifer ; ramis inferioribus efoliatis gracillimis longissimis horizontaliter patentibas. Merithallium ad 2m. altitudinem 30 cm. longum 4J cm. in diametro, lignum 8 mm. crassum, canalis 33 mm. in diametro, pulvillus inferior prominens, is superior obscurus ; pulvilli a se 7 mm. distantes. Rami ad nodos fasciculati. Vagina media coriacea extus fusco-hirsuta 24 cm. longa 28 cm. lata margine versus apiceni tenuiter hirsuta apice late truncata, partibus truncatis 16 cm. latis plus minus rotundatis vel fere truncatis ; ligula brevissima apice fimbriato-ciliata ; pseudophyllum elongato-triangulare 17 cm. longum 16 cm. latum, basi cum partibus truncatis vagina; sequilatum, basi subito latius supra basin ad marginem valde undulato- crispato-plicatum hie ibidem longe setoso-barbatum extus subglabrum intus basi dense hirsuto-barbatum ; vaginella 5^—7 cm. longa 2—3 mm. lata glabra apice auriculis conspicuis setulosis utroque latere instructa, ligula brevissima truncata extus hirsuta ^ mm. longa haud ciliolata. Folia lineari-lanceolata 9-18 cm. longa 13-23 mm. lata apice acuniinatissima basi subito rotundato-truncata abrupte ad petioluni l|-2 mm. longum abeuntia margine scabra supra glabra supra prope latus unum scabra subtus tenuiter hirsuta, nervis secundariis utroquc latere costse 5-7, venulis inter secundarios 8-9 haud tessellatis. GRAMINILE. 145 Fig. B4, Batribusa dolichoclada HATATA; a, apical portion of a sheath of a turion, seen from without; b, another portion of the same; c, the same, seen from \vithin; d, the same, in vertical section ; all figures natural size. HAB. Rinkiho: Aprili. 1916, B. HAYATA. Near JS. stenostaahys HACK., but distinguishable from it by the much larger leaves, and in the unarmed branches and thinly ceriferous culms. The 14G GKAMINE^E. flowers of this species are much larger them those of JS. stenostachys HACK. Bambusa dolichomerithalla HAYATA sp. nov. (Fig. 55). Frutex. Fig. SB, Bambusa dolictomerithalla HAYATA; a, a portion of an inflorescence ;.'.b, a flower; c, a glume of the same flower, seen from the outer side; d, the same, seen from the inner side; e, cross section of the same; g, an apical portion of the same; h, a valva, seen from the outer side ; i, the same, seen from the inner side ; j, cross section of the same ; k, an apical portion of the same ; 1, m, stamens ; n, o, apical portions of the different stamens ; p, a lodicule ; q. un ovary ; r, basal portion of a vagina ; s, longitudinal | section of the same ; a, natural size b, c, d, e, h, i, j x 2 ; 1, m x 3 ; p. x 6. GRAMINEJE. 147 Rhizoma tercs 3 cm. in diametro, internodiis 7—15 mm. longis, ercctuni crassum breve. Culmus erectus rectus csespitosus in 2 m. altitudinem 4£ cm. in dia- metro 10m. alttis cum ramis ramulisque perfecte teres, partibus 11011 ramiferis 6 m. longis. Merithallium medium vel inferius 25—60 cm. longum 2^ in diametro viride vel albo-striatum, pulvillus inferior tenuiter elevatus duplicato-anuulari- formis, pulvillus superior obscurrimus haud elevatus a eo inferiore 1 cm. distans ; lignum 2% mm. crassum ; canalis 2 cm. in diametro. Vagina coriacea 10 cm. longa 7 cm. lata apice late rotundata cum pseudophyllo jimcta sparse hirsuta, pilis deciduis ; pseudophyllo sub-membranaceo oblongo-triangulari 1 1 cm. longo 6 cm. lato apice acuminate basi plus minus coiitracto ; ligula sub- iiulla haud hirsuta. Rami ad nodos dense fasciculati, ramulis elongatis 5-8- foliatis, vaginella 3^-7£ cm. longa 1^—2^ mm. lata, auriculis interdum conspicue evolutis interdum haud evolutis, setis auricularibus interdnm evolutis interdum haud visis, ligula brevissima truncata interdum erenulata. Folia lineari- lanceolata 9-27 cm. longa 1-3 cm. lata apice acuminata basi rotundata cimeata, ad petiolum 1-2 mm. longum abeuntia supra glabra subtus hirsuta vel sub- glabra, nervis secundariis utroque latere costse 3-7, venulis inter secundarios 4-8. Inflorescentia cum foliis interdum intermixta vel interdum haud mixta. Rami floriferes simplices haud rarnosi, inferiores 1 m. longi. Spiculse ad nodos solitaries alternse sessiles bractca singula caducissinia involutse lineari-lanceolatse complanatse 5-6 cm. longse 1 cm. latse pallido-vi rides glabrse nitidse teretes 7-8- floratse. Glunise inferiores non floriferse ; valva ( = gluma florifera) floris medii ovato-oblonga 2 cm. longa 11 mm. lata apice acuta convoluta utraque glabra. Palea plicata in plicate lineari-lanceolata apice acuminata in summo obtusa cih'ata 2-carinata ad carinam setuloso-ciliolata extus glabra intus minute hirsuta secus carinam plicata, partibus plicatis medio 3mm. latis, margine sursum minute ciliolata. Stamina 6, antheris pendulis linearibus 12 mm. longis apice attenuatis ad summum emarginatis basi sagittato- 2-lobatis, lobis 1 mm. longis ; lodiculis 3 obovato-cmieatis hyaHnis nervosis apice triangulari-acutis crosis hand fimbriatis. Ovarium obovoideum stipitatum cum stipite 2-3 mm. longum 1| mm. latum patento-hirsutum, stigmatibus 3 filiforniibus hirsutis. HAB. Yusuiko, ad 3000 ped. alt., leg. B. HAYATA, Aprili. 1916 ; (sp. fl. et fol.) ; Roshinkosho : Kwaiyozaii, leg. B. HAYATA, Aprili. 1916. Culmus 148 GRAMINK/E. 7 m. altus ad 2 m. altitudinein 3^ cm. in diametro. Near Bambusa vulgaris, but differs from it by ' the nearly solitary and much longer spikelets. Also near B. nana var. normalis, but distinguishable from it by the much longer, interiiodes, spikelets and leaves. Bambusa Fauriei HACKEL (Fig. 56) ; MATSUM. et HAYATA Enum. PI. Formos. p.1 549. Bambusa liukiuensis HAYATA sp. nov. Frutex. Kami graciles, ramulis 3-5-foliatis, vaginella 2-3 cm. longa glabra apice auriculata, auriculis oblongo-triangularibus 1 mm. longis ^ mm. latis apice obtusis oblique prominentibus margine setosis, setis 5 mm. longis scabris, ligula brevissima % mm. longa Integra truncata. Folia lanceolata 5-7 cm. longa 8-11 mm. lata apice acuminatissima basi oblique rotuudata vel obtusa ad petiolum 1 mm. lorigum abeuntia margine supra glaberrima subtus glaucissima tenuissime hirsuta margine scabra, nervis secundariis utroque latere costse 4-5, venuh's inter secundarios 7-8 haud tessellatis. Pani- culse composite, ramis fasciculatis, bractea ignota. Spiculse lineari-fusi formes 2 cm. longse ad nodos solitarise vel 2-3-fasciculat8e sessiles, floribus perfectis 3 et eo imperfecto 1 ; glumte non-floriferes inferiores minutse superiores majores; valva (gluma florifera) 12 mm. longa Fig. 86, Bambusa Fauriei HACK. ; nervosa glabra fere convoluta acuta ; palea plicata a, a portion of the inflorescence; b, in plicato 10 cm. longo If mm. lata apice bifida, a glume of a flower' Been from the 1 , . . outer side ; c, the same, -with a valva, lobis acummatis 2 mm. longis, dorso 2^carinata seen from the inner side ; d, cross ad carinas hirsuta, inter carinas glabra, parti- section of the sa1116 5 e» a valva. **** . from the outer side ; f, the same, seen bus-phcatis l£mm. latis. Stamina 6, antheris from the inner side; g, the same, in linearibus 6-7 mm. longis 1mm. latis apice cross section' h- a stamen; i, a , . . lodicule ; a, natural size ; b, c, e f x 4 ; brevnssime 2-lobatis basi sagittato-2-lobatis, i, jX6. GEAMINE^E. 149 lobis 1 mm. longis ; lodiculse obovatso 2£ mm. longse 1 mm.'l latse apice triangulari -acuminai se fimbriatse basi cuneatse. Ovarium obovoideum 2 mm. longum 1 mm. latum apice globosum basi longc cuneatum sursum glabrum deorsum liirsutum, stigmatibus 3 filiformibus fimbriatis. HAB. Liu-kiu, secus rivulas crescens, leg. J. MATSUMURA. Fig. 57, Sambitsa Oldhami MTJNEO; a,'a sheath of a turion, seen from the outer sur- face ; a', basal portion of the same, seen from the inner side, showing the ligule ; b, a portion of the same, in vertical section, showing the ligule ; c, a portion of the inflores- cence ; d, a glume of a flower ; e, the same, seen from the inner side ; f , a palea of the same flower ; g, the same, seen from the inner side ; h, apical portion of the same, more magnified ; i, cross section of the same valva ; j, a stamen ; a, b, c, natural size ; others x 3. 150 GRAMINE^. Distinctly differs from _B. nana ROXB. in having much smaller and shorter spikelets and in having very prominent auricles at the apex of the vaginella. Bambusa Oldhami MUNRQ r ^\ ^\^\ (Fig. 57) /'"MATSIJM. et HAYATA, Enum. PI. Formos. p. 550. Rhizoma erectum breve crassum. Culmus csespitosus erectus vel plus minus recurvus 12 m. altus ; meri- thallium in 1 £ m. altitudinem 25 cm. longum 5£ cm. in diametro ; lignum 12mm. crassum; canalis 4 cm. in diametro, pulvillus inferior tenuissime elevatus, partibus inter pulvillum iiiferiorem et superiorem tenuiter impressis. HAB. Rinkiho, leg. B. HAYA- TA, Aprili. 1916. Bambusa pachinensis HA- ]~$ f ¥ <¥\ YATA sp. iiov.1 (Big. 58). Frutex. Rhizoma crassum erectum. Culmus csespitosus 2 m. altus. Rami fasci- culati, ramulis 5-6-foh*atis ; vagi- nella 3^-5 cm. longa sursum mar- gineque hirsuta deorsum glabra, auricuh's inaeqnalibus palmiformibus 1mm. latis instructa, Fig. 38, Bambusa pachinensis HAYATA; a, a auriculis part of ^ ^o^scence; b, a'flower; c, a glume, seen from the outer side; d, the same, seen from setosis, setis 5-6, 7mm. longis the inner side; e, cross section of the same; f , a haud scabris; ligula brevissima palea' seen from the outer sdde; & the same, seen from the inner side ; h, cross section of the same ; i, § mm. longa extus hirsuta margine an apical portion of the same ; j, k, stamens ; 1, m, erosa. Folia lanceolate vel ovato- apical P°rtion of different stamens; n, a lodicule; o, an ovary; a, natural size; b, c, d, e, f, g, h x 3; j, lanceolata 7^-10 cm. longa 18-20 k, n, 0x6 others more magnified. GRAMINE^E. 151 mm. lata apice acuminatissima basi plus minus rotundata vel leviter cordata ad petiolum 1£ mm. longum abeuntia margine utroque scabra supra prope costam scabra supra glabra subtus tenuiter hirsuta, ncrvis secundariis utroque latere costse 3-5, venulis intersecundariis 7—8 tessellatis, inter venulas pellucido- punetata. Paniculse compositse non foliiferse ; spicse vel spiculse ad nodos multi- vel pauci-congestse, basi bractea instructse ; bractea caduc;issima triangu- lari-ovata 1 cm. loiiga 5 mm. lata apice lamina minutissima cuspidato- triaugulari 1^ mm. longa instructs. Spiculse lineares complanatoa 3-4 cm. longse 6— 7 mm. latte circ. 8-floriferse ; rhachis minute hirsuta, rhacliilla glabra. Valva (gluma florifera) ovata convoluta 13 mm. longa in explicate 10 mm. lata apice actita extus glabra intus sursum dense hirsuta deorsum glabra valde coriacea nervosa ; palea plicata 13 mm. longa coriaceo-inembranacea extus ad eostas hirsuta cseterum glabra intus sparse hirsuta apice hirsuta. Stamina 6, antheris liuearibus 6 mm. longis apice emarginatis mucronatis basi sagittato- lobatis, lobis 1 mm. longis ; lodiculse obovatse 3 mm. longse 2 mm. latse apice rotuiidatae margine longe fimbriato-ciliatse. Ovarium cuneato-obovoideum 2 mm. longum 1 mm. latum apice hirsutum deorsum glabrum, stigmatibus 3 filiformibus hirsutis. HAB. Pachina, leg. B. HAYATA, Mart. 1916. Remarkable for the broader bracts which are almost wanting of a lamina. Bambusa Shimadai HAYATA sp. nov. (FiV. 59). Frutex ; rami et rf? 2^'<^\ ramuli fascicuiatiy ramuh's 5-1 2-foliatis, vagi nella l^cm. longa glabra, auriculis subnullis, setis auricularibus 5-6 tenuissiinis 1-2 mm. longis ; ligula brevissima truncata integra. Folia lanceolata vel lineari-lanceolata 5 cm. longa 6-9 mm. lata apice acuminatissima basi rotundata vel obtusa ad petiolum 1-1 £ mm. longum abeuntia utraque glabra subtus glauca margine scabra, iiervis secundariis utroque latere costse 5, venulis intersecundariis circ. 7, haud tessellata. Rarnuli floriferi ad nodos 2-3-eongesti remote spiculiferi. Spiculse generaliter solitarise alternee a se circ. 2-£ cm. remotse basi 1-bracteatse ; bractese caducse, vagiuellis 1-2 cm. longis, laminis lanceolatis basi abrupte dilatatis cum vaginella sequilatis caducissimis utraque pagine hirsutis. Spiculse cylindricse plus minus complanatse 3—4. cm. longse 4 mm. latse, floribus 4-5 a se 4-2 mm. distantibus ; glumse inferiores non-floriferse minores. 152 GRAMKSTEJE. Valva convolnta 2cm. longa apice acuta utraque paginc glabra ner- vosa valde coriacea. Palea coriaceo- membranacea 18 mm. lata plicata in plicato lanceolata 18 mm. longa utraque pagine glabra versus apicem carinata seous carinam plicata, partibus plicatis 2 mm. latis versus apiceni ad marginem ciliolatis, ad apicem 3-4-sctuloso-ciliolata. Sta- mina 6, antheris linearibus 1 cm. longis apice obtusis emarginatis ; lodiculse 3 insequales hyalinse obovato-oblongse apice acutse vel obtusse erosse. Ovarium fere obo- voideum apice hirsutum sessile hand stipitatum ; stigmatibus 2-3 ? HAB. Sekimensho, leg. S. SHIMADA, Mart. 1911. Bambusa stenostachys •Jy\\ l/itSi HACK. ; %lATsu:\r. et HAYATA Enum. PI. Formos. p. 550. Rhi- zoma erectuui crassum. Culmus csespitosus plus minus flexuosus ad Fig S9> Samlmsa 8himadai HAYATA; a, a 2 m. altitudinem 4 cm. ill diametro ; portion of an inflorescence ; b, a flower ; c, a palea, seen from the outer side ; d, the same, seen from lignum 1£ cm. crassum, canalis 12 the inner gide; df> apical portion of the mme. e> mm. in diametro. Mcritliallium cross section of a flower; f, cross section of a . palea ; g, h, stamens ; i, an apical portion of a in 2m. altitudinem 2ocm. longum stamen; j> an ovary. a> natural size; others more 3^ cm. in diametro ; pulvillus in- or less magnified. ferior valde prominente elevatus, pulvillus superior vix elevatus, a se 7 mm. distans ; culmus a basi ramosus, ramis spinescentibus. HAB. Rinkiho, leg. B. HAYATA, Aprili. 1916. Bambusa tuldoides MUXEO " Monogr. p. 93 ; " CAMUS Bambus. p. V ^ V*) Hf GEAMINE^E. 153 117. — "Chaunies a peine arborescents, fistuleux, a rameaux feuilles, a entre- noeuds sillonnes-stries. Feuilles de ces rameaux, longues de 12—20 cm. larges de 15-20 mm. lanceolees, arrondles a la base, petiolees, a bords denticules, a dents eloignees surtout vers la base, glabres en dessous, mais a toucher rude snr les bords, un peu poilues en dessous ; nervures secondaires 6-8 paires, pen distinctes ; gaines ciliees vers le sommet et munies de 2 auricules ciliees et fimbriees, feuilles de la panicule de meme forme mais plus petites, attenuees a la base ; a gaines non munies d'auricules fimbriees et ciliees comme les autres feuilles. Inflorescence en panicule feuillee, a rachis glabre, brillant dur, arrondi, de 6-8 mm. de diam., cette panicule lachement coniposee, tres rare- ment simple, a rameaux tres inegaux subvert! cill&s ; les superieurs 1-3, les inferieurs groupes par 5-6 ; entre-nocuds inferieurs scabriuscules an sonmiet. Epillets pales, non brillants, membraneux, cylindriques un peu comprimes plus ou moins espaces, rarement agglomeres densenient, longs de 25-30 mm. 4-8-flores, la fleur inferieure et les superieures incompletes. Racheole a la fin visible, brievement hirsute a sa partie supericure. Glumes petites, ovales- aigues, a nervure mediane un peu forte. Flours ^ : Glumelle inferieure sub- obtuse au sommet, brusquement mucronee ; glumellc superieure presque aussi longue ou beaucoup plus courte que Fiiif. acuminee, terminee par un fascicule de poils, a carenes brievement ciliees an sommet. Glumellules 3, obovales, obtusiuscutes, finement fimbriees. Etamines a antheres obtuses. Style tres court. Stigmales 3, tenus. Ovaire stipite presque obovale, hirsute au sommet, couronne par les debres du style et cles stigniates. Caryopse de 5 mm. de long, obtus, presque glabre." " Chine : Canton, Hongkong, Formose, Tonkin." There are yet two more species of Bamboos in Formosa ; one is very near to a small form of £. dolichoinerithalla, and the other is a species with leaves much like those of J5. Oldhami and with turion-sheath much like those of Phyttostachys edulis. 154 MAKATTIACE.E. Marattiaeeae. Archangiopteris CHRIST et GIESENHAGEN. Archangiopteris Somai HAYATA (PL XIX et fig. 60) Ie. PI. Formos. V. p. 256. Rhizoma erassuin breve horizontaliter situm subrepens reliquis stipularum et basibus stipitum approximatim obtec- tuui, radicibus e facie inferiore rhizomatis abundanter oriundis incrassatis teretibus. Stipes circ. 50 cm. longus pins minus squamatus (squamis castaneis lanceolatis membranaceis acuminatis basi subcordatis 2-3 mm. longis) a basi ad 20 cm. altitudinem arti- culato-geniculatus ad hie ibidem tumido-incras- satus, basi ad extremitatcm subito incrassatus in exsiccato fusco-nigricaus stipulis amplis semi-rotun- datis sublignosis instructus. Frons in circumscrip- tione ovata herbaceo-membranacea vel herbaceo- coriacea margine deorsum reaurva supra atro- viridis haud nitida plus minus variegata subtus palL'dissima 40 cm. longa 25 cm. lata pinnata, pinnis 4-6 ; pinna terminali lanceolata 30 cm. longa apice subito acuminatissima, acumine lineari basi 3-4 mm. lato, basi obtusa margine a basi usque ad prope acumen regulariter crenulata (crenulis ^ mm. longis 1 mm. latis) ad basin acuminis dentata, (dentibus ascendentibus apice obtusis 1^- mm. longis), utraque pagine glabra, venis lateral! bus simplicibus vel a basi furcatis, venulis parallelis a costa circ. angulo 90° divaricatis plus minus superiore resurvis a se 2-3 mm. remotis simplicibus distinctis haud elevatis haud impressis ad marginem fere attingenti- bus vel prope marginem evanescentibus apice haud elavatis, venulis recurrentibus nullis ; pinnis laterali- 6O, A pinna of Archangi- opteris Somai HAYATA xf. CYATHEACEJE. 155 bus cum terminali conformibus sed paullo minoribus, petiolulis 5-8 mm. longis hand dilatatis hand articulatis haud geniculatis teretibus in exsiccato fuscentibus. Sori lineares 10-12 mm. longi seeus venulas siti ; sporangiis 60-70 2-seriatim dispositis, sub son's pilis sparce sitis ; costa pinnse utraque pagine plus minus elevata. HAB. Urai, leg. T. SOMA et B. HAYATA, Mai. 1916. Resembles Archangiopteris Henryi CH. et GIES. in having simply pinnate fronds with linear sori ; but differs from it by the much shorter and not tumid petioles of the pinnae, in the very much longer apical tails of the latter, in the geniculate stipes with stipules at their very base, and in the less hairy sori which in our species are located much nearer to the costa than to the margin. Our species is, as a whole, much nearer to Angiopteris tlian A. Henryi is to the latter. The resembrance of our new fern with a simple pinnate form of Angiopteris erecta in its young stage is really very remarkable. The form of the stipules and the geniculation of the stipes are very similar in the two. Cyatheaeeae. There are in Formosa four genera belonging to this family. Dicksonia and Cibotium are distinctly distinguished from the other genera even in sterile specimens. Oyathea and Alsophila are on the other hand much confused in the field, when they are not in fertile specimens. Eight species of Alsophila are recorded from Formosa, while Oyathea is represented only by one, C. spinulosa WALL. As far as I can judge from my field-knowledge, there exist in Formosa only three species of Alsophila and one species of Oyathea, — i. e. A. fwmosana, A. podophylla, A. latebrosa and C. spinulosa. The first two species are distinguishable from the others by the much shorter stems not marked by the leaf-scars. A. formosana is the smallest and usually stemless with quite smooth stipes, while A. podophylla is a little larger with stems usually £-1 m. long and very muricate stipes. A. latebrosa is the largest, its stems being marked very distinctly with leaf-scars and 2-20 m. tall, its fronds being ovate-oblong 260-400 cm. long 145 cm. broad, and its stipes being 15cm. long, nearly smooth or very slightly muricate and covered with numerous white long soft scales at the base, while Oyathea spinulosa is a little 156 POLYPODIACE^E. smaller than the preceding species, its stems being also marked with leaf- scars and 1-4 m. tall, its frond ovate-oblong 170-200 cm. long, 85 cm. broad, and its stipes 40-50 cm. long and very aculeate at the base. These four species are widely distributed in the island from Koshuu northwards to Kelung. They are all that I know from Formosa. As to the other species recorded from the island, A. contaminans, A. pastidosa and A. tomentosa are presumablly forms of A. latebrosa. A. subglandulosa HANCE is very likely a species of Dryoptens, as far as I can conjecture from a drawing made by myself in the British Museum from the original specimen preserved there ; and finally Alsophila denticulata BAKER mentioned in Journ. Bot. (1885) p. 102 and MATSUM. et HAYATA Enum. PI. Formos. p. 571, is very likely a species belonging also to Dryoteris. So far as I am aware, we have never seen so small a tree-fern as the latter species described as " stipe about a feet long ; frond ovate-deltoid, 1^ ft. long, tripinnati-fid, but fertile also in a bipinnate form." Polypodiaeeae.* Athyrium ROTH. Athyrium cryptogrammoides HAYATA sp. nov. Rhizoma ignotum. Stipes 10-25 cm. longus stramineus basi sparse squamatus, squamis lanceolatis castaneis apice acuminatis 5 mm. longis 1 mm. latis basi haud contractis. Frons in ambitu oblonga 30 cm. longa 15 cm. late apice acuminatissima basi obtusa tripinnata, pinnis mediis alternis 10 cm. longis 3 cm. latis in ambitu lanceolatis apice acuminatissimis basi obtusissimis, pinnulis ordinis I. mediis oblique triangulari-lanceolatis 2 cm. longis 7 mm. latis apice obtusis basi oblique truncatis, pinnulis ordinis II. infimis longissimis, mediis obovatis 5 mm. longis 2 mm. latis apice obtusis basi oblique cuneatis pinnatilobis, lobis utroque latere circ. 2 lineari-oblongis 1 mm. longis f mm. latis basi haud contractis apice acutis vel obtusis 1-nerviis, nervis simplicibus haud furcatis prope apicem attingentibus. Sori basi loborum pinnularum ordinis II. singulariter siti. Indusium lineare reniforme vel cordatum 1-^mm. longum f mm. latum margine erosum. Textura chartacea vel chartaceo-coriacea ; pinnse a rhachibus * For convenience sake, the genera under this family are arranged in alphabetical order. POLYPODIACILE. 157 frondis angulo eirc. 45° agressoe ascendentes, mediis longissimis superior! bus gradatim minoribus versus apieem ad lobos acuminium abeuntibus ; acuminibus frondis liueari-filiforniibus utroque latere lobis remotis instructis ; pinnis mediis a se 2£ cm. remotis, pinnulis ordinis I. mediis a se 10-8 mm. remotis, pinnulis ordinis II. a se 2—3 mm. distantibus. Rhachis frondis subteres vel semi-teres straminea 1 mm. in diametro supra sulcata glabra ; rhachis pinnarum ordinis I. gracillima ^ mm. in diametro semi-tores glabra ; rhachis pinnularum ordinis II. ^— 3- mm. lata plus minus complanata supra profunde sulcata secus sulcum setnlosa, setulis erectis 1 mm. longis validiusculis a se 1— 1£ mm. remotis. HAB. Gokwanzan, leg. YADA, Dec. 1914. Remarkable for the very narrow linear segments and pinnulis. Blechnum Linn. Blechnum (Bleclmidiuin) plagiogyriifrons HAYATA sp. nov. (PL XX.) Rhizoma longe liorizoiitaliter repens teres gracile, squamis dense obtectum, squamis castaneo-coloratis ovato-lanceolatis 5 mm. longis 1 mm. latis apice acuminatis vel filiforme-acuminatis ad summum obtusis basi subcordatis vel rotundatis margine subintegris. Stipes gracilis distans 20 cm. longus cum fronde sequilongus supra tenuiter sulcatus subteres supra pallidus subtus purpurascens basi squamatus cseteruui toto glaber. Frons ovato-lanceo- lata 20-27 cm. longa 7-9 cm. lata ad rhachin pinnatifida, lobis vel segmentis approximatis linearibus, pinnis inferioribus prope medium longissimis 3^-5 cm. longis basi 8—11 mm. latis basi latissimis falcatini recurvis apice acutis margine integris, superioribus gradatim minoribus ad lobum terminalem abeuntibus, lobo terminal! 3-5 cm. longo lineari-acuminato integro vel undu- lato ; segmentis inferioribus prope basin frondis abrupte miuoribus ad auriculas abeuntibus, auriculis utroque latere basis frondis 2-3 vel 4 semi-rotundatis 3-8 mm. longis et latis ; pagina tenuiter coriacea utraque glabra supra atro-viridis subtus pallidissima vix vel hand nitida, costa frondis supra elevata tenuiter sulcata subtus elevata, costis segnientorum supra tenuissime elevatis vel impressis subtus elevatis, venis venulis reticulatis. Sori utroque latere costse pinnre secus costam approximating siti lineares, a rhachi costse frondis 2 mm. remotis et ab apice pinnarum l£ cm. distantes. Indusium lineare 1^ mm. latum margine erosum vel denticulatum ; pinnae ad marginem subito tenuiores deorsum recurvro. 158 POLYPODIACEJE. HAB. Inter Ushoko et Arisan, ad 7000 ped. alt., leg. B. HAYATA, Aprili. 1916. Near Bleclmum melanopum (HooK. Sp. Fil. III. p. 64 t. CLXI.) ; but slightly different from it in having less anastomosing veins. In appearance, the present species is very like sterile fronds of Plagiogyria falcata which grow on rocks with the new fern. CyclopJiorus DESV. CyclophoruS Sasakii HAY ATA sp. nov. (Fig. 61). Rhizoma repens teres' gracile primnm versus apicem densissiuic squamatum, (squamis castaneis lineari-lanceolatis 5— 6 mm. longis ^-mm. latis apice acuminatissimis basi rotundatis peltatim insertis, basi ad extreuiitatem pauce fimbriatis vel hand fimbriatis), demum subglabratum 1 Fig. 61, Cross section of a frond mm- In diametro sectionis remote frondigerum. of CydopJwius Sasakii HATATA. Frons a se circ. 1 cm. distans subsessilis vel brevissime tipitata lineari-lanccolata 3£ cm. longa 3 mm. lata apice obtnsa basi ad stipitem abeuns margine integerrima valde deorsum usque ad costain convoluto-recurva supra medio impresso-sulcata, supra glabra subtns stellato- pilosa. Textura crassissirna. Sori ignoti. HAB. Shintiku : Karizenzan, leg. S. SASAKI, Jan. 1916. Very near Polypodium angustissimum BAKER. Undoubtedly our plant belongs to the same section with that species. Dryopters ADANS. Dryopteris Sasakii HAYATA n. n. Dryopteris tenuifrons HAYATA Ic. PI. Fornios. IV. p. 184 (non C. CH.). Dryopteris WOOdsiisora HAYATA sp. nov. Rhizoma ascendens crassum dense squamatum. Stipes 4—5 cm. longus dense squamatus, squamis stramineis lineari-lanceolatis circ. 1 cm. longis l-l£ mm. latis apice acuminatissimis margine aristis brevissimis minutis remote instructis. Frons in ambitu ovato-lanceolata apice acuminata basi obtusa vel truncata 9 cm. longa 3£-4 cm. lata pinnata, pimiis divaricatis a rhachi frondis angulo 90° egressis, superiori- bus gradatirn minoribus, pinnis infra medium sitis longissimis lineari-triangu- laribus 18 mm. longis 8 mm. latis apice obtusissimis basi truncatis brevissime POLYPODIACEJE. 159 stipitatis pinnatifidis, lobis oblongis apiee truncatis dentatis latere inargine integris ; textura herbacea chartacca ; rhachis breve squamato-hirsuta ; pagina frondis sub microscopic minute glanduloso-hirsuta. Sori reniformes l^mm. longi l^mm. lati basi profunde cordati sacciforme et pulviiii-formes, ad sinus inter pinnarum lobos siti. HAB. in rupibus Arisan, ad 2500 m. alt., leg. U. FAURIE, Junio 1914. No. 518. Htimata CAV. Humata dryopteridifrons HAYATA sp. nov. Rhizoma ignotum. Stipes circ. 30 cm. longus glaberrimus baud squamatus teres supra stramineus subtus castaneo-coloratus. Frons lanceolato-ovata circ. 23 cm. longa 10 cm. lata apice acuminata basi obtusa vel rotuiidata basi tripinnata sursum bipinnata, pinnis infimis triangulari-lanceolatis 10 cm. longis 3 cm. latis apice acuminatis basi latissimis truncatis bipinnatis, pinnulis ordinis I. infimis longissirnis superiori- bus gradatim brevioribus versus apicem ad lobos abeuntibus, pinnulis ordinis I. infimis exterioribus loiigissimis 23 mm. longis 13 mm. latis triangulari- lanceolatis apice obtusissimis basi triangulari-acutis pinnatis, pinnulis ordinis II. infimis iiiterioribus obovatis 1 cm. longis 7 mm. latis apice obtusissimis basi cuneatis margine lobulatis, lobulis obtusis ; pinnis petiolatis, petiolis infimis 1 cm. longis, pinnulis ordinis I. petiolulatis, petiolulis 3 mm. longis, pinnulis ordinis II. subsessilibus ; pinnis alternis mediis a se 3^ cm. remotis a rhachibus frondis, pinnulis a rhachibus pinnarum angulo 45° egressis. Textura mem- branacea glabra, pagine supra ad sorum rotundato-elevata. Sori ad apicem loboruin lateris superioris vel infra sinus inter lobos lateris superioris siti ; indusium depresso-rotundatum 2 mm. latum 1-| mm. longum integrum basi contract um ad insertioriern 1 mm. latum. =Uavallia dryopteridifrons HAYATA. HAB. Arisan, ad 2500m. alt, leg. U. FAURIE, Jtmio 1914. (No. 615). Remarkable for the broad lobes of the pinnules of the very thin texture. Monachosorum KUNZE. Monachosorum Maximowiczii (BAR.) HAYATA Tokyo Bot. Mag. (1909) p. 2 ; KODAMA in MATSUM. Ic. PI. Koishikaw. I. p. 29 t. 15 ; Poly- podium Maximoidczii BAK. Syn. Fil. p. 504 ; Polystichum Maximomczii DIELS 160 POLYPODIACE^E. Nat, Pfl. Fam. I.-4, p. 189. Var. melanocaulon HAY ATA 11. v. = Polystichum Maxinwwiczii var. mdanocaidon HAYATA. Textura quam typo crassiora ; stipites nigro-pur- purascentes. HAB. Nokozan, Aprili. 1916. Folypodiutn LINX. Folypodium suisha-stagnale HAYATA sp. nov. Rhizoma repeiis teres 6 mm. in diametro sectionis viride adpresse squamatuni, sqnamis fulvis ovato- oblongis 5 mm. longis 2 mm. latis apice acutis vel obtusis basi peltatim cordatis vel profunde cordatis, Ipbis cordis imbricatis, niargine erosis vel remote eroso-setulosis. Stipes erectus 65 cm. longus stramineus nitidus. Frons lanceo- lato-linearis 60 cm. longa 18 cm. Tata pinnati-fida vel subpinnata, pinnis iiifimis longissimis superioribus gradatim minoribus, pinnis lateralibus superrimis minimis, pinna terminali longiore ; pinnis lateralibus linearibus infimis 14 cm. longis 18 mm. latis apice obtnsis vel acuminatis ; pinna terminali lineari 10 cm. longa 13 mm. lata margine snbintegra ; pinnis a rhachi frondis angulo 45° egressis utraque pagine glabris costis et vein's supra minus subtus plus elevatis ; costa, frondis utraque elevata haud sulcata, alis angustissimis 2-3 mm. latis; frons a medio sursum sorifera. Sori rotundati 2mm. in diametro supra valde elevati, subtus valde impressi 1^ mm. profundi ; recep- taculum 1 mm. in diametro tenuiter elevatum. HAB. in stagnis Suisha, leg. B. HAYATA, Aprili. 26, 1916. The present new fern was found in a very boggy place in a floating island in Suisha-lake. Very near P. longissimum BLUME, but distinguishable from it by the thinner texture and by the deeper sunken sori. Tittaria Sir. Key to the Forinosaii Species of Vittaria. 1. Sori sunk in a two-lipped marginal groove (§ Eavittaria) 2 Sori in a slightly intramarginal line, with the unaltered edge of the frond produced beyond and often rolled over it (§ Tceniopsis) . . 4 2. Fronds usually pendulous, very long usually over 30cm., some- times attaining to 1 m. or even more 3 Fronds usually erect more or less recurved at most 30 cm. long. 2—3 POLYPODIACEJE. 161 mm. broad V. anguste-elongata 3. Fronds not tortuous V. elangata Fronds usually tortuous V. tortifrons 4. Fronds very narrow, usually 30 cm. long 2 mm. broad ; sorus on the middle between margin and costa V. mediosora Fronds 4-8 mm. broad 40—80 cm. long, sori located near the margin . . 5 5. Fronds pendulous, scales brownish V. arisanensis Fronds suberect, scales much darker V. suberecta Vittaria anguste-elongata HAYATA sp. nov.= Vittaria sp. HAYATA Ic. PI. Formos. V. p. 346, fig. 149-a. Epiphytica ad truncos arboris crescens. Rhizoma dense squamatuin dense frondigerum, squamis castaneo-fuscentibus 4—6 mm. longis basi | mm. latis linearibus basi latissimis £ mm. latis apice subulato- acuminatis margine remote setulosis. Stipes supra subnullus subtus complanatus basi squamatus. Frons longissime linearis usque ad 30 cm. longa usque ad 3 mm. lata apice acuminatissima basi gradatim attenuata glabra margine Integra margine haud vel vix recurva glabra. Textura chartaceo-coriacea, costa supra vix vel distincte elevata subtus plana haud elevata vel plus minus impressa. Sori ad sulcos marginales siti. HAB. Urai, Suisha, Kelung, Giran, Soseikyaku. Near V. elongata Sw. ; but separable from it in the much smaller fronds which are usually more or less tortuous, and in the scales which are brownish and less dark than those of V. elongata. Vittaria elongata Sw. ; MATSUM. et HAYATA Enum. PI. Formos. p. 625. HAB. Kaukaukei, Botansha, Suiteiryo, Urai, Randaisan. Vittaria suberecta HAYATA sp. nov. Vittaria sp. No. III. Ic. PL Formos. V. p. 347 fig. 149 j-k. Epiphytica ad truncos arboris crescens suberecta plus minus curvato-desceiidens. Rhizoma cum basibus stipitum dense squamatum, squamis persistentibus fusco-nigricantibus h'neari-lanceolatis 2 mm. longis apice subulato-acuminatis margine remote setulosis, dense frondigerum. Stipes atro-purpureus basi dense squamatus sursum glaber brevissimus sub- tetragonus supra sulcatus. Frons longissime linearis 20-50 cm. longa 3^-8 mm. lata apice acuminatissima basi gradatim attenuata ad stipitem brevissinium 162 POLYPODIACK2E. abeuns margine integer rima in exsiccato dcorsum recurva utraque pagine glaberrima, costa supra impressa subtus prominente elevata ; textura crassa in. exsiccato valde coriacea, venis haud visis. Sori intraraarginales. Vittaria lanceola HAYATA in MATSUM. et HAYATA Enum. PL Formos. p. 625 (non CHRIST). HAB. Musha Oiwake, ad 7000 ped. alt., leg. B. HAYATA, Aprili. 1916 ; Mingetsu ; Arisan, inter Keitao et Goshorin ; Gokwanzan, Urai. Near V. japonica, but differs from it in the much thicker fronds and in the cellular structure of the scales which are a little darker than those of V. japonica. Vittaria tortifrons HAYATA sp. nov. Epiphytica ; rhizoma repens longissiinum dense squamatum, squamis lanceolato-filiformibns 5-7 mm. longis nigricantibus basi ovatis vel ovato-cordatis 1 mm latis medio linearibus versus apicem filiformibus basi versus longitudinem exteriore plicatis margine remote serrulatis. Stipes 10-20 cm. longus. Frons longissimc linearis verticaliter pendula usque ad 220 cm. longa 10-13 mm. lata apice basique gradatim angus- tissime acuminata utraque pagine glaberrima manifeste tortuosa, venis lateralibus distincte visis. Sori ad sulcos marginales siti. HAB. Remogan, leg. B. HAYATA, Mai. 1916 ; Keitao, Ochobi, Kusukusu, Taito: Chihon. Near V. scolopendrina TIIWAITES, but separable from it in the thinner and narrower fronds which have costa not impressed |but somewhat elevated on both surfaces, and especially by the sori which are in this new species at the marginal groove, but not intra-marginal. Woodsia. Woodsia polystichoid.es EAT. Rhizoma brevissimum repens dense frondigerum. Stipes nitidus castaneus vel stramineus dense csespitosus 3—4^ cm. longus deorsum dense squamatus sursum sparse squamatus et cripato-hirsutus, pilis castaneis crispatis, squamis castaneis lanceolatis 2—3 mm. longis ^ mm. latis apice acuminatis margine integris vel fimbriis 1-2 instructis basi cordatis vel peltatis. Frons lineari-lanceolata 5—9 cm. longa 1 ^-2 cm. lata apice acuminata vel ad summum obtusa basi cum medio sequilata truncata simpliciter piunata, pinnis mediis lineari-oblongis 7 mm.-ll mm. longis 2|mm.-4mm. latis apice POLYPODIACE^E. 163 obtusis basi obliquis, latere inferiore basi fractis cuneato-acuminatis, latere superiore basi truncatis auriculatis latissimis cum rhachi parallelis, auriculis 4 mm. longis 2 mm. latis apioe obtusissimis, margine subintegris vel repandis ; costa supra impressa subtus tenuissime elevata inconspicua, venis lateralibus ut.ra.que pagine hand elevatis indistinotis basi vel medio furcatis, ramis simpli- oibus apice clavatis prope marginem attingentibus ; pagine supra presertim versus costam hirsute, subtus hirsuta et secus costam squamata, squamis lanceo- latis acuminatis 2 mm. longis ^ mm. latis pilis circ. 1 mm. longis articulatis ; textura chartacea. Sori sescus marginem pinnarum 1-seriatini dispositi, prope apicem ramoruru venarnm lateraliter siti depresso-globosi 1 mm. in diametro. Indusium inferum cupulifornie margine lobulato-erosum intus glabrum extus setuloso-pilosum. Rhachis pilosa et squamata, piiinis alternis sessilibus vel subsessilibus mediis a se 8 mm. remotis, a rhachi angulo recto vel obtuso divaricatis, pinnis superioribus gradatim minoribus ad pinnam terminalem minutam abeuntibus. HAB. Arisan, ad 8000 ped. alt., leg. U. FAUEIE, Junio 1914. 164 INDEX. INDEX. Orders in capitals; genera in full-face; species in romans; synonyms and species incidentally mentioned in italics. Acanthephippium BLUME 73 Tamamotoi HAYATA. 73 Adinandra JACK 4 M lasiostyla HAYATA 4 Amorphophallus BLUMK 101 Jt campanvlatus BLTJMB. 103 ,, gigantiflorus HAYATA. 101 Anodendron A. DC 29 suishaense HAYATA 29 APOCYNACE^E. 29 Archangiopteris CHRIST et GIESENHA- GEN 154 M Somai HAYATA 154 ARALIACKE. 23 Arissema MAET 100 9> arisanensis HAYATA 100 ARISTOLOCHIACE^... .. .. 36 Aristolochia LINN . . . . 36 Shimadai HAYATA 36 Kcempferi WTT.T/D 37 Arundinaria MICH 136 }> Kunishii HAYATA 136 )t niitakayamensis HAYATA. . 137 Jf oiwakensis HAYATA 137 ,, Usawai HAYATA 138 AROIDE^. 100 Athyrium ROTH 156 „ cryptogrammoides HAYATA.. 156 BERBERIDEm .. . i Bambusa SCHEEM 143 „ breviflora Mranso 143 M dolichoclada HAYATA, . . . . 144 }> dolichomerithalla HAYATA. . . 146 }J Fauriei HACKEL 148 ,} liukitiensis HAYATA 148 }) Oldhami MUNEO 150 ?> pachinensis HAYATA 150 f> Shimadai HAYATA 151 H stenostachys HACK. 152 BEGONIACE^... 21 Begonia LINN. 21 „ aptera HAYATA 21 „ femaginea HAYATA 22 it laciniata KOXB. var. formosana HAYATA 22 Beilschmiedia NEES 37 ,, erythrophloia HAYATA. .. 37 Bletia formosana HAYATA 75 Bletilla KEICH 75 „ formosana (HAYATA) SCHLECHL. . 75 Blechmun LINN 157 „ plagiogyriifrons HAYATA. .. 157 ,, melanopum HOOK. 158 BOKAGINE^. 31 Bulbophyllum THOU 72 „ Saiuwatarii HAYATA. . . 72 it transarisaaense HAYATA. 73 Calanthe B. BB 77 M arisanensis HAYATA 78 J} raishfensis HAYATA 77 Callicarpa Lnm 35 )f antaoensis HAYATA. . . . . 36 „ cana LINN 35 Callitriche LINN. 21 ,, japonica ENGELM. . . . . 21 Carpinns LINN 62 tt hogoensis HAYATA 62 Jt rankanensis HAYATA 63 CAPBIFOLIACE^E 24 Carex LINN 117 :}> alliiformis C. B. CLAKKE. .. .. 128 H arisanensis HAYATA 130 }f atronucula HAYATA 131 >} baccans NEES 122 ?> bilateralis HAYATA 127 breviculmis B. Br 125 t) brunnea THUNB 128 tt chinensis RETZ 131 M Dunni HAYATA 133 filicina NEES. .... . . 122 IXDEX. 165 Carex fulvo-rubescens HATATA 127 „ hakkuensis HAYATA. 122 ,, hebecarpa C. A. MEY var. ligulata (NEBS) KUKENTHAL 133 M Kawakamii HAYATA 129 ,, longispica HAYATA 127 M maculata BOOTT 124 „ Morii HAYATA. 135 ,, morrisonicola HAYATA 125 tt Nakaharai HAYATA 127 M obtusobracteata HAYATA 131 ,, orthostemon HAYATA 12G )t pseudo-arenicola HAYATA 118 M pseudojaponica HAYATA 129 M pumila THUNB 131 >t reflexistyla HAYATA 133 Sasakii HAYATA 131 M satsumensis FB. et SAV. var. Nakaii HAYATA 121 M satsumensis FB. et SAV. var. long- iculma HAYATA 120 M Shimadai HAYATA 127 M tristachya THUNB. var, pocilli- formis KUK 125 M sociata HAYATA 131 J5 transalpina HAYATA 125 M tatsutakensis HAYATA 133 CELASTRINE^E. u Celastrus LINN 14 M elevativena HAYATA 14 M leiocarpa HAYATA 14 Chamabaina WIGHT 61 ,, Morii HAYATA 61 Chrysanthemum LESS 26 ,, arisanense HAYATA... 26 Citrus LINN 13 „ erythrocarpa HAYATA 13 Cladium P. BB H7 }> jamaicense CBANTZ 117 Clausena BUBM 12 M tetramera HAYATA 12 tt Wampi HAYATA 8 COMPOSITE. 26 CONIFERS. 66 CONVOLVULACKE. 33- Cordia IINN 31 „ Kanehirai HAYATA. 31 Corylopsis SIEB. et Zucc 20 Corylopsis stenopetala HAYATA Cotoneaster MEDIK )t morrisonensis HAYATA. . . CRASSULACE^. .. CUPULIFER^E CYATHEACE^. Cyclophorus DESV ,, Sasakii HAYATA Cyclostemon BLTJME ,, hieranense HAYATA Cymbidium Sw , , albo- jucundissimum HAYATA M arrogans HAYATA M sinense WILLD. var. margi- cololatum HAYATA ,, oiwakenses HAYATA... .. ,, rubrigemmum HAYATA. . . CYPERACEJE. Cyperus LINN ,t dense-spicatus HAYATA. .. ,, procerus EOTTB. M pilosus VAHL Cypripedium LINN ,, formosanum HAYATA. . . Daphaiphyllum BLUME „ membranaceum HAY. Davallia ,, dryopteridifrons HAYATA. Dendorobium Sw. ,, Nakaharai SCHLECHTEB. . ,, Pere Fauriei HAYATA. .. ,, sanseiense HAYATA. ,, Somai HAYATA. .. .. Dryopteris ADANS ,, woodsiisora HAYATA ,, Sasakii HAYATA tt tenuifrons HAYATA Elatostema FOBST ,, herbaceifolia HAYATA. ,, lineolatum WIGHT ,, lineolatum WIGHT var. major THW ,, microcephalantha HAYATA.. Eleocharis B, BB. . . „ acicularis E. BBOWN „ capitata E. BE v, fistulosa LINK Shimadai HAYATA. 20 17 17 26 62 155 158 158 42 42 79 80 58 57 106 107 107 107 107 166 INDEX. Engelhardtia LESCH ......... 61 „ formosana HAYATA. . . 61 ERICACEAE ............. 28 Elia LINDL ............... 73 arisanensis HATATA ......... 73 Eucai'CX Coss et GEKM EUPHORBIACE2E Eulophia K. BE „ macrorhlzri BLTIME ..... „ ochobiensis HAYATA. Evodia FOBST ........... ,, hirsutifolia HAYATA ..... J? melisefolia BEKTH ..... Fagara LINN ........... M Avicennct} DC ....... „ cyrtorhaekia HAYATA. J} laxifoliolata HAYATA. . . }> leiorhachia HAYATA ..... Fimbristylis VAHL ....... . . M anpinensis HAYATA. }> aginkotensis HAYATA. boninensis HAYATA. tikushiensis HAYATA. 124 41 78 78 78 5 5 6 8 10 8 10 10 108 108 108 109 113 takacensis HAYATA. . 112 kankaoensis HAYATA. kagiensis HAYATA . . GAUDICH M inter rupta GATIB Fortunella erythrocarpa HAYATA. Galeola LOUB. . . „ ochobiensis HAYATA. Gardneria WALL }f nutans S. et Z. J? Shimadai HAYATA. Gastrodia B. BE M dioscoreirhiza HAYATA. Gerbera GEON. . . ..... . integripetala HAYATA. GENTIANACE^E GESNERACE^E GERANIACE^. Goodyera K- BB 5J arisanensis HAYATA. 5> cyrtoglossa HAYATA. longicolumna HAYATA. . nantceivtis HAYATA. . . Ill 110 43 43 13 87 87 30 30 30 93 93 27 27 31 34 4 91 91 92 92 92 GliAMINE^E 136 K BE. .... 93 Gy mnadenia kpida KEICHB ,, Tominagai ; HAYATA Habeuaria WILLD Miersiana CHAMP HALORAGE^C HAMAMEL1DEJE Heptapleurum GAEETN M arboricolum HAYATA. „ oclophyllum HANCE. Heterosmilax KUNTH M arisanensis HAYATA. Humata CAV ,, dryopteridifrons HAYATA. Indocarex BAILL Impatiens LINN „ Nolirtangere LINN }) Tayemonii HAYATA. . . Itea LINN M arisanensis HAYATA JUGLANDACE^ JUNCACE^: JunCUS LINN }> bufonicus LINN • }i leptocladus HAYATA Lactuca LINN vercioolor Scn-Bip Lecanthus WEDD .......... M Sasakii HAYATA ...... „ Wightii HAYATA ...... LILIACE^ ............ Lilium LINN ............ tt cattosum S. et Z ........ M Kanashiroi HAYATA ...... talanense HAYATA ..... / . LOGANIACE^ .......... Lonicera LINN ............ angustifolia HAYATA. oiwakensis HAYATA. transarisanensis HAYATA. LORANTHAOE^E ........ Loranthus LINN .......... liquidambaricolus HAYATA. Owatarii HAYATA. Mahonia SfoiT .......... oiwakensis HAYATA. . . . 94 39 94 94 94 21 20 23 23 24 97 97 159 159 120 4 5 4 19 19 61 100 100 100 100 28 23 37 52 52 53 97 97 100 97 98 30 24 25 24 25 38 38 38 39 1 1 INDEX. IG7 MARATTIACE/E. ........ 154 Meliosma BLTJME ........... 15 ,, callicarpaefolia HAYATA. . . 15 Microcarpaea R. BR ......... 34 „ nruscosa R. BB ..... 34 Microstylis NUTT ........... 68 „ arisanensis HAYATA ..... 68 ,, monophyllos LINDL ..... 70 Monachosorum KUNZE ......... 159 „ Maximowiczii (BAK.) HAYATA var. melano- caulon HAYATA ..... 159 Murraya LINN ............. n „ euchrestifolia HAYATA ..... 11 Myrmechis BLUME ........... 90 „ drymoglossifolia HAYATA... 90 ,, gracilis BL ......... 91 Nuphar SM ............. 2 ,, nipponicum MAKING ....... 3 ,, Shimadai HAYATA ....... 2 NYMPI&EACE.E. ........ 2 66 33 33 53 53 55 55 56 56 Parasitipomsea HAYATA. ,, formosana HAYATA. Pellionia GAUDICH „ arisanensis HAYATA ,, okinawensis HAYATA „ radicans WEDD ,, Tashiroi HAYATA trilobulata HAYATA Peliosanthes ANDR ........... 94 „ arisanensis HAYATA. . . 94 ,, courtallensis HAYATA. . . 95 ,, Tashiroi HAYATA ..... 96 PhajUS LOUR ............. 74 ,, grandifolius LOUR ....... 74 „ maculatus LINDL ......... 75 ,, Somai HAYATA ......... 74 Photinia LINDL ........... 17 „ lasiopetala HAYATA ....... 17 Phyllostachys SIEB. et Zucc ..... 140 ,, formosana HAYATA. . . 140 ,, lithophila HAYATA. . . 141 ,, nigripes HAYATA ..... 142 ,, pubescens H. LEHAIE... 140 „ mitis Brv ....... 140 Phyllostachys Mnkimai HAYATA ..... 142 Physurus RICH ............. 87 PhysurUS chinensis ROLFE ....... 87 Picrasma BLUME ........... 13 „ quassioides BENN. . . . . . . 13 Pilea LINN ............... 43 „ brevicornuta HAYATA ....... 43 ,, funkikensis HAYATA ....... 45 „ kankaoensis HAYATA ....... 46 „ mintite-pilosa HAYATA ....... 47 „ ovatinucula HAYATA ....... 48 ,, rotundinucula HAYATA ....... 49 „ Somai HAYATA ......... 50 „ taitoensis HAYATA ......... 51 Platanthera EICH ........... 93 M stenoglossa HAYATA ..... 43 Podocarpus L' HER ......... 66 „ Nakaii HAYATA ....... 66 POLYPODIACE^E. ........ 156 Polypodium LINN ........... ieo „ suisha-stagnalis HAYATA. . . Polystichum Maximowiczii var. melano- caulon HAYATA ....... 160 Quercus LINN ....... ...... 61 ,t longicaudata HAYATA ...... 64 „ Sasakii KANEHIRA ....... 64 RHAMNE^E ........... w Rhamnus LINN ........... 14 ,, oiwakensis HAYATA ..... 14 Rhododendron LINN ......... 28 ,, Morii HAYATA ..... 28 RhynchogloSSUm BLUME ....... 34 „ ? Sasakii HAYATA ..... 34 Rhynchospora VAHL ....... . . lie ,, longisetigera HAYATA. .. 116 „ glauca VAHL ....... 116 Rohdea EOTH ............. 97 ,, Watanabei HAYATA ....... 97 EOSACE.E ............. 16 RllbllS LINN ............. 16 rarissinms HAYATA ....... 16 5 .. .. is SABIACE^E. ...... .. Saccolabinm BLUME ,, formosanum HAYATA. SAL1CINEJS Salix LINN M eriostroma HAYATA ,, suishsensis Sarcochilus R- BR 85 65 65 65 65 83 168 INDEX. Sarcochilus kusukusensis HAYATA. f> Saruwatarii HAYATA. . . Sasa niitakayamensis CAMUS SAXIFRAGES Scirpus LINN „ erecto-gracilis HAYATA. M morrisonensis HAYATA. . . M Sasaki! HAYATA ,t supinus LINN Scleria BEBG M pubigera MAKING SCROPHULARIACEvE. .. Sedum LINN ,t drymtrioides HAYATA tt uraiense HAYATA 81MARUBES Spiranthes L. c. EICH tt australis LINDL. var. shsensis HAYATA. . . STYRACES Swertia LINN. .- « . . . . ,, Kuroiwai MAKING „ shintenensis HAYATA. Symplocos LINN M theifolia HAYATA Tainia BLUME M laxiflora MK. M Shimadai HAYATA TERNSTRCEMIACE^:. THYMEL^ACEJi Trigonotis STEV TrigOnotis elevato-venosa HAYATA. 83 81 137 19 114 114 115 115 115 117 117 34 20 20 20 13 86 29 31 31 31 29 29 75 77 75 4 38 32 32 Tropidia LINDL ,, angulata BLUME „ Somai HAYATA URTICACE^E Vanilla sw „ Somai HAYATA VERBENACE^:. Vignea Viola LINN ............. M senzanensis HAYATA ..... ,} Tayemoni HAYATA ..... Viscum LINN M album LINN ....... „ Alni-formosanse HAYATA. „ diospyrosicolum HAYATA. Vittaria SM ........... „ anguste-elongata HAYATA. M suberecta HAYATA ,, tortifrons HAYATA Vrydagzynia BIVUME „ Wikstroemia formosana HAYATA 85 86 85 43 88 88 35 3 118 3 3 3 40 39 39 41 160 161 elongata Sw. ; ........ 161 mononectaria HAYATA. 161 162 88 88 38 38 Woodsia .............. 162 ,, polystichoides EAT ....... 162 Zanthoxylum LINN ......... 6 t) acanthophyllum HAYATA. 7 tt cuspidatum CHAMP. . . 7 M liukiuense HAYATA. . . 6 Zeuxine LINDL ............. 89 tabiyahanensis HAYATA ..... 89 ICONES PLANTARUM FORMOSANARUM. VI. PLATE I. Explanation of PL I. Nuphar Shimadai HAYATA. Fig. 1. The plant. 2. A flower. 3. The same, sepals partly taken off. 4. A sepal. 5. A petal. 6. 7, 8. stamens, seen from different sides. 9. Ovary. 10. A seed. 11. The same in section. Ic. PL Formos. Vol. VI. PL I. F. Hayami, del. K. Nakaz awa. scruip. ICONES PLANTARUM FORMOSANARUM. VI. PLATE II. Explanation of PL H. Jfdiosma callicarpcefolia HAYATA. Fig. 1. A branch. 2. A leaf. 3. A flower. 4. A bracteole. 5. A sepal. 6. A petal. 7. A flower, sepals and petals taken off, showing stamens and stami- nodes. 8. 9, 10. Stamens seen from different sides. 11. A staminode. 12. Ovary with disc-glands. Ic. PL Formos. Vol. VI. PL II. F, Hayami. del, K, Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE III. Explanation of PI. III. Corylopsis stenopetcda HAYATA. Fig. 1. Tlie plant, natural size. 2. A flower xlO. 3. A petal xlO. 4. 5. Stamens, seen from different sides X 10. 6. A gland X 10. 7. Ovary x7. 8. Fruit-bearing spike n. s. 9. A fruit, 11. s. 10. A seed, n. s. 11. The same, in section. Ic. PL Formos. Vol. VI. Pi III, K. Nakazawa.sculp. ICONES PLANTARDM FORMOSANARUM. VI. PLATE IV. Explanation of PL IV. Jleptapleurum arboricolum HAYATA Explanation of PL IV. Heptapleurum Sasakii HAYATA. Fig. 1. A branch. 2. A leaf. 3. A flower. 4. The same, petals? taken oft. 5. A petal. 6. 7. Stamens, seen from different sides. Ic. PL Formos. Vol. VI. PI. IV. F, Hayami. del, K.Nakazawa, sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE V. Explanation of PL V. Lonicera oiwakemis HAYATA. Fig. 1. The plant. 2. A leaf. 3. A portion of the upper surface of a leaf. 4. A portion of the lower surface of a leaf. 5. Pair of flowers. 6. The same seen from back. 7. A flower seen from side. 8. Ovaries and a style. 9. Corolla expanded. 10, 11. Stamens, seen from different sides. 12. Ovary in vertical section. 13. A portion of the outer surface of the corolla-tube. Ic. PI. Formos. Vol. VI. PI. V. F. Hayami del. X. Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE VI. Explanation of PL VI. Chrysanthemum arisanense HAYATA. Fig. 1. The plant, 2. A leaf. 3. An outer involncral bract. i 4. An inner involucral bract. 5. A marginal flower. 6. Apical portion of the style. 7. Basal portion of the same style with the achene. 8. A disc-flower. < 9. The same, corolla and stamens taken off. 10. Corolla expanded and stamens. 11. Stamens expanded. 12. An embryo. 13. The same, one of the cotyledons taken off. Ic. PI. Formos. Vol. VI. Pi. VI. uni del. K. Nak azavra .sculp . V t I', (1 /. I I', », CiVl J/l 0 ICONES PLANTARUM FORMOSANARUM. VI. PLATK VII. Explanation of PL VII. Anodendron suishcense HAY ATA. Fig. 1. The plant. 2. A leaf. 3. A flower. 4. A bracteole. 5. Sepals and ovary with disc-glands. 6. Corolla expanded, showing stamens. 7. 8, 9. Stamens, seen from different sides. 10. Disc-glands, expanded. 11. Style. 12. A carpel of the ovary. Ic. PI. Formos. Vol. VI. PL VII, F. Hayami. del. K.Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE VIII Explanation of PI. VIII. Cyclostemon hieranense HAYATA. Fig. 1. A branch. 2. A leaf. 3. A male flower. 4. Discs in the center of a flower. Ic. PL Formos. Vol. VI. PL VIII, K Hayami, del, K.Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE IX. Explanation of Fl. IX. Pilea kankacensis HAYATA. Fig. 1. The plant. 2. A leaf. 3. A portion of male inflorescence. 4. A male flower-bud. 5. A male flower. 6. 7. Sections of a tube of a perianth taken from different flowers. 8. A perianth-lobe with a stamen. 9. A portion of female inflorescence. 10. A female flower. 11, 12. A perianth-lobe of a female flower, seen from different sides. 13. Cystolithes on a leaf x 13. Ic. PI. Formos. Vol. VI. PI. IX. F, Hayami. del. K. Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE X. Explanation of PL X, Garpinus rankanensis HAYATA. Fig. 1. A branch. 2. A bract on the peduncle. . 3. A fructiferous bract, seen from the inner side. 4. The same, seen from the outer side. 5. A premature achene. 6. The same, in section. Ic. PL Formos. Vol. VI. PL X. F. Hayami del. K.Nakazawa sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATK XI. Explanation of Fl. XI. Microstylis arisanensis HAYATA. Fig. 1. The plant. 2. A flower. 3. A dorsal sepal. 4. A lateral sepal. 5. A petal. 6. A labellum. 7. The same, seen from side. 8. The same, in cross section. 9. Column. 10. The same, seen from side. 11. A pollinium. Ic. PI. Formos. Vol. VI. PI. XI. 10 n F, Hay-ami, del. K.Nakazawa. sculp, ICONES PLANTARTJM FORMOSANARUM. VI. PLATE XII. Explanation of PL XII. Tainia Shimadai HAYATA. Fig. 1. The plant. 2. A flower. 3. A dorsal sepal. 4. A lateral sepal. 5. A petal. 6. A lip. 7. A column with the operculum. 8. The same, seen from dorsal side. 9. A pollinium. 10. The same, seen from side. Ic. PI. Formos. Vol. VI. PI. XII. F. Hayami del. K.Nakazawa sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XIII. Explanation of Fl. XIII. Tropidia Somai HAYATA Fig. 1. The plant. 2. A flower. 3. A backward sepal. 4. Two lateral sepals. 5. A petal. 6. A lip, seen from side. 7. The same, basal portion cut and expanded. 8. A column; ros.=rostellum; a = anther. 9. An anther with po inia. /c. PI. Formos. Vol. VI. Pi. XIII. F. Hayami del. K.Nakazawa sculp. Explanation of PI, XIV. VaniUa Somni HAY ATA. Fig. 1. The plant, n. s. 2. A. backward sepal, n. s. 3. A lateral sepal, 11. s. 4. A petal, n. s. 5. A lip, n. s. 6. The same, magnified. 7. The same, in vertical section. Ic. PI. Formos. Vol. VI, PI. XIV. f F. Hayami del. K. Nakaaawa-sculj,. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XV. Explanation of PI. XV. Pdiosanthes ansanensis HAYATA. Fig. 1. The plant. 2. A flower. 3. The same in vertical section. 4. A portion of a staminal tube, showing two anthers. 5. A stigma. 6. 7. Seeds. 8. Cross section of a seed. Ic. PL Formos. Vol. VI. PL XV. F, Hayami. del, K. Nakazawa. sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XVI Explanation of PI. XVI. Eohdea Watanabei HAYATA. Fig. 1. The plant, 2. A flower, x 3. 3. The some in vertical section, x4. 4. An interior lobe of the perianth, X 6. 5. 6. Stamens seen from different sides, X 6. 7. Ovary, seen from top, X 6. 8. Cross section of ovary with perianth-tube. 9. A fruit, n. s. 10, 11, 12. Seeds, seen from different sides, X 3. Ic. PL Formos. Vol. VI. PL XVI. F, Hayami, del ICONES PLANTARUM FORMOSANARUM. VI. PLATE XVII. Explanation of PL XVII. Oarex satsumensis FK. et SAV. var. longiculma HAYATA. Fig. 1. The plant. 2. Spikelet. 3. A bract at the base of a spikelet. 4. A cladoprophyllum. 5. The same, seen from side. 6. A scale of a female flower. 7. An utricle. 8. A nutlet. 9. 10. Other forms of nutlets. 11. A male flower. 12. Cross section of a nutlet. Ic. PL Formos. Vol. VI. PI. XVII. F. Hayami, del. K.Nakazawa, sculp. ICONES PLANTARUM FORMOSANARUM. VI. PLATE XVIII. Explanation of PL XVIII. Carex arisanensis HAYATA. Fig. 1. The plant, 2. A portion of a leaf, showing a ligule. 2'. A section of the same portion. 3. A male spikelet, anthers fallen off. 4. A glume of a male flower. 5. A glume of a female flower. 6. 7. Utricles seen from different sides. 8. Section of the same. 9. A nutlet. Ic. PL Formos. Vol. VI. PL XVIII. F. Hayami. del. K.Nakazawa, sculp, ICONES PLANTARUM FORMOSANARUM. VI. PLATE XIX. Explanation of Fl. XIX, Archangiopteris Somai HAYATA. Fig. 1. The plant. 2. A scale. 3. A sorus. 4. 5. Sporangia. 6. A hair of an indusium. /c, Pi. Formos. Vol. VI. PL XIX. K Nakazawa. sculp . ICONES PLANTARUM FORMOSANARUM. VI. PLATE XX. Explanation of PL XX. Bleclmwn plagiogyriifrons HAY ATA. Fig. 1. The plant. 2. A scale on the rhizoma. 3. A pinna, indusium and sporangia taken off, showing venation. 4. 5. Basal and apical portion of a pinna. 6. Cross section of a fertile pinna. 7. Portion of the same section, showing the receptaculum. Ic. Pi Formos. Vol. VI. Pi XX. F Kayami. del IE IE 5. £ en M Hi T an rff itH «••« fr A 5 a a it EH VOLUME VII March 25th, 1918 Icones Plantarum Formosanarum nee non et Contributiones ad Floram Formosanam or Icones of the Plants of Formosa, and Materials for a Flora of the Island, based on a Study of the Collections of the Botanical Survey of the Government of Formosa By Bunzo Hayata, Riyakuhakushi VOLUME VII Published by the Bureau 'of Productive Industries, Government of Formosa TAIHOKU NOTICE 4* I. Dicotyledons — Polypetalous : Ranunculacete — Rosacese. Published September 10th, 1911. II. 1. Conspectus of the Flora of Formosa, Saxifrage* — Dipsaceae. 2. New or Noteworthy Plants of Formosa. Published October 15th, 1912. III. 1. Contributions to the Flora of Formosa, I. 2. On the Systematic Position of Mitrastemon, as a Genus representing a special Tribus of the Rafflesiaceae. Published December 25th, 1913. IV. Contributions to the Flora of Formosa, II. Published November 25th, 1914. V. Contributions to the Flora of Formosa, III. Published November 25th, 1915. VI. Contributions to the Flora of Formosa, IV. Published November 25th, 1916. VII. Contributions to the Flora of Formosa, V. Published March 25th, 1918. VIII. Will be published in September 1918. ~ \ ICONES PLANTARUM FORMOSANARUM NEC NON ET CONTRIBUTIONES AD FLORAIU FORMOSANAM vn AUCTORE Bunzo Hayata TO HIS EXCELLENCY BARON TEIBI ANDO, GOVERNOR GENERAL OF FORMOSA. SIR, I have the honour to submit to your Excellency the seventh volume of the Icones Plantarum Formosanarum, nee non et Con- tributiones ad Floram Formosanam by BTTNZO HAYATA, D. Sc, HIEOSHI SHIMOMUKA, CIVIL GOVERNOR OF FORMOSA. November 1, 1917, Taihoku. INTRODUCTION. As was announced in the introduction of the third volume of this work, the present volume is principally devoted to the fifth part of those studies which have for the most part been upon new material, collected since 1912. The volume contains studies on species and varieties ranging from the Berberideas down to the Selaginellaceas. All the species of Phanerogamous plants are here arranged, as in the preceding volumes, after the system of BENTHAM and HOOKER ; while those of vascular cryptogams are arranged after the system of ENGLER and " PRANTL. Of the species and varieties mentioned in this work, 47 are proposed as new species and 3 are regarded as new varieties of known species. One genus, Polliniopsis, is proposed as a new, while 4 genera are mentioned as new to the flora of the island. The latter genera are as follows: — Sphcerocaryum Axonopus Euchloena Muehlenbergia Thus, up to the present date, the total number of species of the flora, so far as is known, is 3359 species and 57 varieties belonging to 1173 genera and 169 families.* Finally, I avail myself of this opportunity to tender my hearty thanks to the officials of the Government of Formosa, to whom I am much indebted for help in the collection of material and in the publication of this work. B. HAYATA. October 1917, Taihoku and Tokyo. * Readers will notice that there are some differences between the numbers given in this volume and those in the preceding one. ^This is mainly explained by the fact that, since the publication of the General Index to the Flora of Formosa, a considerable number of doubtful species have been excluded from the flora of the island. CONTENTS. Introduction I. Contributions to the Flora of Formosa VI 1-102. Index 103-107. Plates . I.-XIV. BERBERIDE^E. PITTOSPORE.E. CARYOPHYLLE-iE. Contributions to the Flora V. Berberide Mahonia Nu Mahonia tikushiensis HAYATA (PL I.) Ic.' Pittosporese. Pittosporwm, BANKS. Pittosporum daphniphylloides HAYATA (PL II.) Mater. FL Formos. p. 34; Ic. PL Formos. V. p. 6. Caryophylleae. Stellaria LINN. Stellar! a reticulivena HAYATA sp. nov. (B'ig. 1.) Herba annua radiatim diffusa. Caulis ascendens diffuse ramosus vel haud ramosus tetra- gonus 1 mm. latus ad angulos hirsutus vel ad nodos plus hirsutus, internodiis inferioribus brevioribus superioribus longioribus 5-6 cm. longis. Folia ad nodos caulis versus totam longitudinem oppositim sita ovata circ. 2 cm. longa 12 mm. lata apice triangulare acuta basi rotundata sessilia margine integerrima margi- nata breve ciliolata plana, costa supra impressa subtus elevata, pagine supra subglabra subtus ad costas retrorse hirsuta caeterum glabra supra pallido-viridia haud nitida subtus pallidissima, venulis sub luce translucent! reticulatis. Flores cymosi, cyniis terminalibus rarius axillaribus longe pedunculatis diffuse ramosis subglabris ad ramificationem bracteis minutis oppositis instructis, bracteis scariosis hyalinis oblongis concavis obtusis 1-1^ mm. longis, pedicellis 1-2 cm. longis gracillimis. Sepala scariosa ovato-lanceolata 2^ mm. longa 1 mm. lata apice acuminata basi plus minus contracta margine hyalina Integra glabra medio dorso pallido-viridia. Petala 5 alte 2-fida, segmentis lineari-lanceolatis TEKNSTROSMIACE^E. 2 mm. longis ^ latis apice obtusis, basi attenuata alba. Stamina 10, filamentis filiformibtis hyalinis circ. 2 mm. longis, antheris minutis reniformi-globosis. Ovarium ovoideum trigonum vel hexagonum 1 mm. longum § mm. latum glabrum, stylis 3 apice re- curvis \ mm. longis. Capsula ovoidea 3 mm. longa a medio sursum 6- valvatim dehiscens. Semina minuta oblonga § mm. longa plus minus complanata utrinque obtusa rubes- centia rugosa. HAB. Taiheizan, leg. S. SASAKI et B. HAYATA, Mai. 1917. Near S. micrantha HAY.; but differs from it by the ovate or nearly cordate leaves. The leaves of S. micrantha are much narrower than those of this new species. Fig. 1, Stellar ia reticulivena HAYATA; a, a flower ; b, a sepal ; c, corolla with stamens, expanded ; d, stamens ; e, a portion of a style. Ternstroemiacese. Thea LINN. Thea (Sect. Camellia] hozanensis HAYATA sp. nov. (Fig. 2) Arborescens. Truncus plus minus tortus. Kami et ramuli validiusculi cinerascentes haud lenticellati. Folia alterna coriacea oblonga vel obovato-oblonga 8-9 cm. longa 3^-4 cm. lata apice subito acuminata ad summum obtusa basi acuta margine serrulata utraque glaberrima, costa supra haud vel vix elevata subtus haud elevata, venis primariis lateralibus utroque latere 7-8 mediis 50° a costa egressis rectis apice furcatim ramosis, petiolis 8-7 mm. longis glabris. Flores terminales solitarii vel geminatim siti infundibuliformes 4cm. longi 4icm. lati pallido-rosei. Sepala coriacea multa exteriora minora interiora majora, extima minuta lunuliformia 3 mm. longa 6 mm. lata, intima rotundata 12 mm. longa totiusque lata apice rotundata extus intusque sericeo- pubescentia margine membranacea glabra ciliolata. Corolla campanulato- TERNSTRCEMIACE^T. 3 infundibuliformis, tubo late cylindrico-obconico basi 5 mm. lato apice 10 mm. lato 10 mm. longo, limbo 5-partito, segmentis subpatentibus rotundatis 2£ cm. in diametro apice rotundatis ad centrum tenuiter sinuatis basi contractis margine integris venulis reticulatis. Stamina oo , filamentis ad § altitudinem connatis glabris 3 cm. longis, antheris oblongo- ellipticis 2 mm. longis 1^ mm. latis. Ovarium conico-globosum 2J mm. longum totiusque latum glabrum apice ad stylum abeuns, stylo glabro 2^ cm. longo filiformi apice 3- fido, segmentis 3 mm. longis. HAB. Hozan prope Keitao, ad 5000 ped. alt. leg. B. HAYATA, Aprili. 1916. Near Thea japonica ; but differs from / / it by the funnel-shaped corolla and by the Fig. 2, Thea hozanensis HAYATA. obtuse buds. In the Japanese species, the corolla is obconical but not attenuate towards the base, and the buds are acuminate at the apex. Thea (sect. Camellia) Nakaii HAYATA sp. nov. Truncus et habitudo ut T. japonica. Kami et ramuli cinerascentes versus apicem purpurascentes. Gemmae fusiformi-acuminatas. Folia coriacea oblonga vel obovato-oblonga 10-8 cm. longa 5-5| cm. lata apice breve cuspidato-acuta ad summum obtusa basi acuta obtusa vel rotundata rnargine sursum minute serrulata deorsum integra, costa supra haud vel vix elevata, petiolis 1 cm. longis glabris. Flores terminales solitarii vel geminati. Sepala multi-seriatim disposita ut ea TJieae japonicae. Corolla late obconica 4 cm. longa, tubo late obconico 1 J cm. lato, limbo 5-lobato, lobis 5 rotundatis 2cm. longis 3cm. latis apice emarginatis basi cuneato-contractis. Stamina oo , exteriora 3 cm. longa, filamentis usque ad medium connatis. Ovarium glabrum conico-globosum 2J mm latum 2 mm. longum, stylo filiformi 2 cm. longo apice trifido, ramis 2 mm. longis. HAB. Giran : Taikotanzan, leg. S. NAKAI, Jan. 1915. Near Thea japonica, but differs from it by the leaves which are, in this new species, generally broader, more shortly cuspidate and more minutely serrulate than those of the Japanese species. In dried specimens, the costae 4 GERANIACE^E. ROSACES. of the leaves of the Formosan plant are generally not elevated, but those of the Japanese are prominently elevated. Geraniaeeae. Geranium LINN. Geranium uniflorum HAYATA (PI. III.) Fl. Mont. Formos. p. 65. Rosaeese. Rubus LINN. Conspectus of the subgenera.* A. Fructiculi ; caules solo adpressi aculeati C/iamcebatus I. B. Fruticosi ; caules scandentes vel arcuato-prostrati. a. Stipulas latse, Iibera3 vel subliberge MalacJiobatus II. /3. Stipulse lineares vel filiformes petiolo adnatse ...Idceobatus III. Subg. I. Chamcebatus. Conspectus of the species. A. Leaves 3-lobed, branches manifestly aculeolate 1. R. pectinellus var. trilobus. B. Leaves 5-lobed, nearly unarmed. a. Leaves smaller 2-3 cm. in diameter ; branches hirsute but not villose...' 2. R. calycinoides. b. Leaves larger 5 cm. in diameter ; branches densely villose , 3. R. pentaldbus. 1. Rubus pectinellus MAXIM, var. trilobus Komz. (Fig. 3-a). Conspect. Eos. Jap. p. 108. R. pectinellus HAYATA (non MAXIM.) Fl. Mont. Formos. p. 80. 2. Rubus calycinoides HAYATA (Fig. 3-b) Ic. PL Formos. III. p. 88. 3. Rubus pentalobus HAYATA (Fig. 3-c) $\. Mont. Formos. p. 80. Subg. II. Malachobatus. Conspectus of the species. A. Inflorescence terminal simple racemose, peduncles solitary. a. Calyx and pedicels very slightly aculeolate ... 1. R. Kawakamii. b. Calyx and pedicels densely aculeolate. * FOCKE, W. O.— Species Kuborum, in Bib. Bot. XVII.-Heft 72. ROSACES. Fig. 3 ; a, Rubus pectinellus MAXIM, var. trilobus KOIDZ.; b, R. ccdycinoides HAYATA ; c, R. pentalobus HAY ATA. a. Leaves ashy-white beneath 2. R. Sivinhoei. /9. Leaves not whitish beneath 3. R. adenotrichopodus. B. Inflorescence variously paniculate, or flowers fasciculate, rarely solitary, axillary. a. Leaves penni-nerved 4. 21. floribundopaniculatus. b. Leaves 3-5-nerved. a. Leaves glabrous on both sides. * Leaves aculeolate 5. R. suishaensis. ** Leaves not aculeolate 6. R. Marii. /3. Leaves hairy beneath. x Leaves rounded Jiot or very slightly lobed .'..........I.. 7. R. SkimadaL xx Leaves manifestly lobed, . * Leaves acute or caudate at the apex, 0 Leaves prominently reticulate ...... 8. 7?. nantoensis. aa Leaves not reticulate... 9. R. LambeHianus. O ROSACES. ** Leaves obtuse at the apex. 0 Leaves lanate... 10 R. Rolfei var. lanatus. Dn Leaves tomentose A Leaves membranaceous ...11. R. cdcecffolius var. emigratus. AA Leaves coriaceous. 3 Stipules fimbriate from the base. 12. R. lasiniato-stipulatus. D Stipules obovate lacerate at the apex. + Leaves silky tomentose beneath. 13. R. rugosissimus. ++ Leaves tomentose beneath, not silky 14. R.formosensis =R. randaiensis. 1. Rub us Kawakainii HAY ATA (Fig. 4-a) Mater. Fl. Formos. p. 91. Note : Calyx with purple spines ; petals white or slightly purple. 2. Rub us Swinhoei HANCE (Fig. 4-b) ; MATSUM et HAYATA Enum PL Formos. p. 123. 3. Rubus adeuotrichopodus HAYATA (Fig. 4-c) Ic. PL Formos. V. p. 49. 4. Rubus floribundo-paniculatus HAYATA (Fig. 5-a) Ic. PL Formos. in. p. 89. Rubus suishaensis HAYATA sp. nov. (Fig. 5-b) Suffrutex ; ramuli sub- glabri fulvo-rubescentes teretes aculeolati, aculeis 2-3 mm. longis complanatis. Folia simplicia triangulari-ovata 8 cm. longa 5^ cm. latar apice acuminata basi late cordata vel late truncata tenuiter 3-lobata vel haud lobata margine tenuiter et simpliciter serrulata, serrulis a se 3 mm. remotis brevissimis, utra- que pagine subglabra sed supra ad costas dense subtus tenuiter hirsuta, costa subtus remote aculeolata, trinervia, petiolis 1—1 ^ cm. longis aculeolatis plus minus hirsutis vel subglabris. Kacemi axillares 1-2-florati basi bracteis 4-5 suffulti, bracteis ovatis vel ovato-rotundatis fulvo-rubescentibus 3-6 mm. longis coriaceis intus glabris extus hirsutis, rhachibus vel pedunculis villoso- ROSACES. 7 hirsutis. Calycis cupula extus dense villosa intus glabra ad centrum villosa ; calycis lobi oblongo-triangulares 5 mm. longi 3 mm. lati apice acuti ad acumen 1 mm. longum abeuntes basi baud contract! utraque pagine villosi. Petala rotundata longe unguiculata, unguibus 1 J mm. longis ^ mm. latis, lamina rotundata 4 mm. longa totiusque lata Integra. Stamina oo, antheris Fig. 4 ; a, Rubus Kawakamii HAY.; b, R. Swinhoei HAXCE ; c, R. adenotrichopodus HAY. rotundato-ellipticis § mm. longis \ mm. latis apice tenuiter basi alte lobatis. Keceptaculum ovoideum sessile hirsutum. Ovarium semi-ovoideum 1 mm. longum dorso longe birsutum, stylo \\ mm. longo glabro, stigmate terminali. Rubus corchorifolius L. var. glaber MATSUM. in MATSUM. et HAYATA Enum. PL Formos. p. 121. HAB. Holisba — Suisba, leg. C. OWATARI, Jan. 1898. ROSACES. Fig. S ; a, Rubus floribundo-paniculalus HAY.; b, Rvbus suishaensis HAY.; c, E. Shimadai HAY.; d, R. nantoensis HAY. ROSACE^E. 9 Near R. corcliorifolius, but differs from it by the quite glabrous trinerved leaves. 6. Rubus Morii HAYATA Mater. Fl. Formos. p. 90. 7. Rubus Shimadai HAYATA (Fig. 5-c) Ic. PI. Formos. HI. p. 94. 8. Rubus nantoensis HAYATA (Fig. 5-d) Mater. Fl. Formos. p. 92. 9. Rubus Lambertianus SER. (Fig. 6-a) HAYATA et MATSUM. Enum PL Formos. p. 121. Fig. 6 ; a, Rubus Lambertianus SER.; b, Rubus Rolfei VIDAL var. laruitus HAY. 10 ROSACES. 10. Rubus Rolfei VIDAL var. lanatus HAYATA (Fig. 6:b) Fl. Mont. Formos. p. 81. 11. Rubus alcesefolius Pom? var. emigratus FOCKE (Fig. 7). Sp. Kub. p. 79 ; KOIDZ. Conspect. Eos. Jap. p. 161. Fig. 7, Rubus alceaefolius Pom? Var. emiyratus FOCKE. HOSACE2E. 11 12. Rubus lasiniato-stipulatus HAYATA (Fig. 8-a) Ic. PI. Formos. III. p. 91. R. moluccanus HAYATA Ic. PL Formos. I. p. 228 (non LINN). 13. Rubus rugosissimus HAYATA (Fig. 8-l>) Ic. PI. Formos. III. p. 93. Fig. 8 ; a, Eubus lasiniato-stipulaius HAY.; b, Rubus rugosissimus HAY. 12 IIOSACE^S. 14. Rubus formosensis 0. KTZ. (Fig. 9); FOCKE Monogr. Kub. p. 117. Jt. randaiensis HAYATA Mater. Fl. Formos. p. 93. Fig. 9, Rubus formosensis O. KTZ. ROSACES. 13 Subg. in. Idaeobatus. Key to the species. A. Leaves simple a. Calyx greenish in living specimens, but turning black when dried, nearly glabrous on the back leaving the margin hairy, petals white usually reflexed 1. R. conduplicatus=R. retusipetala. b. Calyx greenish in living specimens, but turning pale brown when dried, finely pubescent on the back or aculeolate on the back, petals white usually erect or semi-closed. a. Calyx aculeolate on the back *Leaves sinuately trilobed 2. R. taitoensis. **Leaves shallowly trilobed °Leaves cordate at the base 3. R. mingetsensis. °°Leaves truncate at the base... 4. .R. aculeatiflorus. /9. Calyx simply pubescent *Carpels densely villose 5. R. arisunensis. 6. R. arisanensis var. horisliae'nsis. **Carpels less villose 7. R. shinkoensis. B. Leaves compound a. Very dwarf plant, erect, at most 10 cm. tall, leaflets small 1 cm. long quite glabrous 8. R. elegans. b. Scandent, leaflets longer than 2 cm. a. Stem, petioles, peduncles densely glanduloso-barbate. *Leaves trifoliolate glabrous, terminal leaflets rounded nearly 10cm. in diameter 9. R. fasciculatus. **Leaves 3-7-foliolate hirsute, terminal leaflet oblong less than 5 cm. long. °Branches and petioles not velvety, simply glandu- loso-barbate 10 . R. glanduloso-calycinus. °°Branches and petioles densely villose and glandu- loso-barbate. ^Carpels hirsute 11. R. Somai. AACarpels glabrous 14 IIOSACE^E. DSyncarpium elliptical 12. 11. dolichocephalus. nnSyncarpium rounded +Primary veins manifestly impressed above, elevate below 13. R. euplilebopliyllus. ++Primary veins not manifestly im- pressed above 14. II. piptopetalus. 15. R. sphcerocephalus. 16. R. linear ifoliolus HAY. /5. Stem, branches, petioles and peduncles not glanduloso-barbate. °Leaves glaucous velutinous on the lower surface DLeaflets smaller 1-2 cm. long 17. R. tripTiyllus.=R. parvifolius. npLeaflets longer usually 5 cm. long. AKacemes terminal ...18. R. parvi-araliifolius. ^^Cymes umbel-like axillary... 19. R. rarissimus. 0 Leaves not glaucous velutinous below. DLeaves duplicately serrate ^Branches and petioles villose 20. R. tahvanianus. ^Branches and petioles not villose +Leaves quasi verticil late at the base of the flowering branchlets 21. R. parvipungens=R. hirsutqpungens. ++Leaves simply alternate •Leaves more densely glandular dotted, carpels fewer than the following species 22. R. glanduloso-punctatus. ••Leaves scarcely glandular dotted. ... 23. R. parvirosaefolius. ROSACES. 15 anLeaves simply serrate, nearly glabrous ^Branches and petioles unarmed 24. It. Jcotoensis. AABranches and petioles armed +Flowers axillary solitary 25. R. fraxinifoliolus. ++Flowers in terminal or axillary cymes •Cymes many-flowered, leaves longer. 26. R. fraxinifolius. •/ •/ ••Cymes few-flowered, leaves smaller... 27. R. parvifraxini/olius. 1. Rubus conduplicatus .DUTHIE (Fig. 10-a, a'); HAYATA Mater. Fl. Formos. p. 89 ; Ic. PL Formos. I. p. 224, t. 24 et V. p. 57. R. retusipetalus HAYATA Mater. Fl. Formos. p. 94. Note : Flowers campanulate ; petals white reflexed ; sepals fresh-green. 2. Rubus taitoensis HAYATA (Fig. 10-b); Mater. Fl. Formos. p. 96. 3. Rubus mingetsensis HAYATA (Fig. 10-c); Ic. PI. Formos. V. p. 40. Note : scandent shrub, 1-2 m. long, scarcely branched ; leaves fresh-green or dark-green, shining above, but very pale below ; costa and veinlets im- pressed above but elevated below ; pedicels and sepals pale fresh-green ; petals very pale green or very pale yellow. 4. Rubus aculeatiflorus HAYATA (Fig. 12-a) Ic. PI. Formos. V. p. 39. 5. Rubus arisanensis HAYATA (Fig. 12-b) Ic. PI. Formos. III. p. 87. 6. Rubus arisanensis HAYATA var. horishaensis HAYATA n.v. (Fig. 12-c). Folia ovato-oblonga haud lobata vel leviter triloba 9 cm. longa 6 cm. lata apice margine duplicato-serrulata acuminata basi leviter cordata 3-nervia. Calyx viridis. Petala alba. Fructus tenuiter pubescens luteo-ruber vel rubr. Caeterum ut typica. HAB. Baikei, ad 2000 ped. alt., leg. B. HAYATA, Aprili. 1916. Differs from the type by the leaves which are not at all or very slightly lobed. Note : Leaves dark-green above, calyx fresh-green, petals white ; carpels villose ; fruits finely villose reddish yellow or red, when quite ripened. 16 ROSACES. Fig. 1O, a, a', Rubus conduplicatus DUTHIE; b, Rubus taitoensis HAY.; c, Rubus migetsensis HAY. 7. Rubus shinkoensis HAYATA (Fig. 12-d, dr) Mater. Fl. Formos. p. 95. IIOSACE^E. 17 Fig. 12 ; a, Rubus aculeatiflorus HAY.; b, Rubus arisanensis HAY.; c, Rubus arisanensia HAY. var. horishaensis HAY.; d, d', Rubus shinkoensis HAY. 18 8. Rubus elegans HAYATA (Fig. 13-a) Fl. Mont. Formos. p. 79, t. IV. 9. Rubus fasciculatus DUTHIE (Fig. 13-b); HAYATA Mater. Fl. Formos. p. 90. Note : Leaves dark-green shining above, costa and veins all impressed above but elevated below ; prickles reddish ; sepals pale-green ; petals white. 10. Rubus glanduloso-calycinus HAYATA (Fig. 13-c) Ic. PI. Formos. V. p. 42. Fig. 13 ; a, Rubus elegans HAY.; b, Rubus fasciculaius DCTHIE ; c, Rubus glanduloso-calycinus HAY. ROSACES. 19 11. Rubus Somai HAY ATA sp. nov. (Fig. 14-a) Suffrutex spinosus. Kamuli graciles teretes fulvorubescentes flexuosi spinosi et tenuiter villosi, pilis fulvo-rubescentibus apice glanduliferis. Folia alterna pinnata in ambitu ovata cum petiolis 15-20 cm. longa 10-13 cm. lata 5-foliolata rarius 3-folio- lata, foliolo terminali maximo ovato-oblongo vel ovato-lanceolato 6-8 cm. longo 2-3 cm. lato apice acuminate basi rotundato duplicato-serrulato supra minus subtus plus velutinoso subtus ad costam minute remoteque aculeolata, petiolulo terminali 1-2 cm. longo, foliolis lateralibus ovato-lanceolatis infimis majoribus quam foliolo terminali et superioribus minoribus oppositis, jugis a se 2-3 cm. remotis ; rachis foliorum glanduloso-hirsuta spinosa supra sulcata, spinis recurvis 1-2 mm. longis, petiolis communibus 2-5 cm longis, stipulis inferiore adnatis superiore linearibus hirsutis. Calyx -cupula circ. 8 mm. in dia- metro intus ad centrum villosa caeterum glabra extus hirsuta; calycis lobi cum cuspidibus 1^ cm. longi 5 mm. lati oblongo-triangulares apice longe cuspi- dati, cuspidibus linearibus 5 mm. longis, utraque velutinosi basi haud vel vix contract! margine integri. Petala non satis iiota extus hirsuta basi breve unguiculata. Stamina oo, antheris ellipticis 1 mm. longis apice emar- ginatis basi 2-lobatis. Keceptaculum fructus ellipsoideum 6 mm. longum 3 mm. latum hirsutum. Pseudosyncarpium oblongum 7 mm. latum. Achae- nium semioblonguni latere complanatum 2 mm. longum 1 mm. latum ruguloso- reticulatum apice dorso hirsutum. HAB. Banchoiyo, leg. T. SOMA, Mart. 1914, No. 917. Near R. piptopelahts HAYATA ; but differs from it in having hirsute carpels. 12. Rubus dolichocephalus HAYATA (Fig. 14-b) Ic. PL Fonnos. III. p. 92. NOTE : petals white ; pistils fresh-green ; fruits reddish-yellow ; carpels botryoidal at the tip. 13. Rubus euphlebophyllus HAYATA (Fig. 14-c) Ic. PL Formos. V. p. 44. 20 ROSACES. Fig. 14 ; a, Eubus Somai HAY.; b, Bubus dolichocephalus HAY.; c, Eubus euphlebophyttus HAY. 14. Rubus piptopetalus HAYAT A (Fig. 15-a) Ic. PL Formos. V. p. 51. 15. Rubus sphaerocephalus HAYATA (Fig. 15-b) ; Ic. PL Formos. III. p. 94. Fig. 15; a, Rubus piptopetalus HAY.; b, Rubua sphaerocephalus HAY. 22 16. Rubus linear if oliolus HAYATA sp. nov. (Fig. 16-a) Suffrutex scandens. Ramuli recti terjetqs glanduloso-viscosi fulvo-rubescentes aculeati aculeis rectis 3-4 mm. longis complanatis acuminatis recto-patentibus. Folia pallido-viridia pinnata in ambitu lanceolata cum petiolo 20-25 cm. longa 10-15 cm. lata, foliolo terminal! lineari-lanceolato 5-6 cm. longo 8 mm. lato apice acuminate- basi obtuso margine duplicato-serrulato utraque glabro, costa subtus aculeolata supra laevi, foliolis lateralibus eo terminali conformibus oppositis 3-5 jugis a se 3-4 cm. remotis, petiolis cum rhachibus glabris sed viscosis aculeatis, aculeis deorsum recurvis, stipulis usque ad medium ad petiolum adnatis linearibus 5 mm. longis. /&acemi pauciflorati, floribus 1-2, axillares vel terminales, pedunculis vel pedicellis 1-2 cm. longis viscosis plus minus aculeo latis. Calyx pallido-viridis,,^ calycis cupula extus glabra sed viscosa 7 mm. in diarnetro ad centrum plus minus depressa ; calycis lobi triangulares 6 mm. longi 4-5 mm. lati apice acuti subito ad acumen linearem 7 mm. longum abeuntes extus viscosi prope marginem hirsuti intus villosi. Petala alba obovato-rotundata 12 mm. longa 8-9 mm. lata apice rotundato-truncata basi obtusa vel plus minus cuneata margine subintegra versus apicem plus minus crenulata vel integra. Stamina oo, antheris ellipticis 1 mm. longis ^ mm latis utroque emarginatis. Cupula intus glabra ad centrum villosa. Recep- taculum ellipsoideum. Ovarium oblique oblongum, stylo glabro, stigmate terminali. HAB. inter Nanko et Dainano, leg. B. HAYATA, Mai. 1916. Near R. rosaefolius SM., but differs from it by the linear leaflets. 17. Rubus triphyllus THG. (Fig. 16-b) ; Komz. Conspect. Ros. Jap. p 137. H. parvifolius MIQ.; MA.TSUM. et HAYATA Enum. PL Formos. p. 122. Note : petals purple. ROSACES. Fig. 16 ; a, Hubus linearifolius HAY.; b, Rubus triphyUus THUNB. 24 ROSACES. 18. Rubus parvi-araliifolius HAYATA (Fig. 17) Ic. PI. Formos. V. p. 48. Fig. 17 ; Rubus parviwaliifdius HAY. ROSACES. 25 19. Rubus rarissimus HAYATA (Fig. 18) Ic. PL Formos. VI. p. 16. Fig. 18; Rubus rarissimus HAY. 26 ROSACES. 20. Rubus taiwanianus MATSUM. (Fig. 19-a) in MATRUM. et HAY ATA Enum. PI. Formos. p. 123. 21. Rubus parvipungens HAYATA (Fig. 19-b) Ic. PI. Formos. V. p. 56. R. kirsutopungens HAYATA Ic. PL Formos. V. p. 58. 22. Rubus glandulosopunctatus HAYATA (Fig. 19-c) Ic. PL Formos. IV. p. 5. 23. Rubus parvirosaefolius HAYATA (Fig. 19-d) Ic. PL Formos. V. p. 54. Fig. 19 ; a, Rubus taiwanianus MATSUM.; b, Rubus parvipungens HAY.; c, Rubus glandulosopunctatus HAY.; d, Rubus parvirosaefolius HAY. ROSACE^E. 27 24. Rubus kotoensis HAYATA (Fig. 20) Ic. PI. Formos. III. p. 90. Fig. 2O ; jRwfrus kotoensis HAY. 28 ROSACES. 25. Rubus fraxinifoliolus HAYATA (Fig. 21) Ic. PI. Formos. V. p. 46. Fig. 21; Rubus fraxinifoliolus HAY. ROSACES. 29 Note : Climbing glabrous shrub ; leaves dark-green ; calyx green ; petals white ; anthers dark-brown. 26. Rubus fraxinifolius Pom. (Fig. 22-a) ; MATSUM. et HAYATA Enum PI. Formos. p. 121. 27. Rubus parvifraxinifolius HAYATA (Fig. 22-b) Ic. PI. Formos. V. p. 52. Fig. 22, a, Rubus fraxinifolius Pom.; b, Rubus parvifraxinifolius HAY. Photinia LINDL. Fhotinia daphniphylloides HAYATA sp. nov. (PI. IV. et Fig. 23). Frutex 10-15 ped. altus dense ramo- sus; rarnulis validiusculis primum tomentosis damum glabris. Folia alterna oblonga coriacea glabra 14 cm. longa 6 cm. lata apice subito cuspidato-acuta ad sumrnum breve aristata basi obtusa vel obtuso- truncata margine integra, costa supra impressa subtus elevata, venis late- ralibus primariis utroque latere costse 15-16 gracillimis supra baud subtus tenuiter clevatis, venulis gracillimis subtus elevato-reticulatis, supra nitida atroviridia subtus glaucescentia, petiolis 3 cm. longis hirsutis. Flores cymoso-paniculati, paniculis termi- nalibus 7 cm. longis totiusque latis, pedunculis et ramis tomentosis apice dense floratis, pedicellis glabris 2-4 mm. longis. Calyx extus glaber obconicus vel obcampanulatus 1 mm. longus 3 mm. latus 5-lobatus, lobis semi-rotundatis § mm. longis 1 mm. latis apice rotundatis coriaceis mar- gine membranaceis integris. Petala 5 alba late rotundata 2^ mm. longa totiusque lata apice rotundata basi breve unguiculata. Stamina 13-15 ad basin loborum calycis affixa, fila- mentis glabris, antheris rotundato- Fig. 23, Photinia, daphniphylloides HAYATA. CAPRTFOLIACE^E. 31 reniformibus ^ mm. in diametro. Ovarium apice conicum liberurn dense albo-barbatum 2-loculare, loculis 2-ovulatis. HAB. Inter Shingio et Batakan, leg. S. SASAKI et B. HAYATA, Aprili. 1917. Comparable to some extent to P. integrifolia, but differs from it by the villose carpels. Caprifoliaeeae. Abelia K. BR. Abelia ionaudra HAYATA sp. nov. (PL V.)=^4. chlnensis HAYATA Mater. Fl. Formos. p. 138 (non E. BR.). Frutex 1-2 m. altus ; rami cine- rascentes graciles teretes, cortice longitudinaliter fisso, ramulis gracillimis rectis toto foliatis rubescentibus breve pubescentibus. Folia opposita rhomboideo- ovata 2 cm. longa 1^ cm. lata apice triangulari-acuta basi rotundato obtusa margine minute remoteque mucronibus utroque latere 5-6 instructa apice mucronata, costa supra impressa subtus elevata, supra viridia subtus pallidis- sima, venulis reticulatis. Cymae 2-floratae versus et ad apicem ramulorum quasi-fasciculatim aggregatim dispositae ; pedunculi vel pedicelli 4-5 mm. longi hirsuti medio bracteis oppositis 2 instructi, (bracteis hirsutis spathulatis 1^-2 mm. longis concavis apice obtusis basi haud contractis) apice bracteis 6 radiatim dispositis instructi, bracteis 1| mm. longis § mm. latis apice obtusis margine ciliatis. Flores geminatim ad apicem pedicelli cymae dispositi sessiles. Ovarium inferum (vel tubus calycis) 6 mm. longum ovato-fusiforme hirsutum 1^ mm. latum multi-sulcatum. Limbus calycis 5-partitus, partibus patentibus aequalibus 4-6 mm. longis 1-2 mm. latis spathulatis apice obtusis basi attenuatis margine integris coliolatis pallido- viridi-flavis chartaceo-membranaceis nervosis, nervis dorso elevatis plus minus hirsutis. Corolla longe tubulosa versus apicem campanulata 13 mm. longa, limbo 6 mm. lato, tubo medio 1^ mm. lato apicem gradatim ad limbum abeunti, extus tenuiter hirsuta intus dense hirsuta fere regularis vel plus minus 2-labiata, labio superiore 2-lobato, lobis semirotundatis 1| mm. longis 2 mm. latis apice rotundatis margine integris ciliolatis, labio inferiore 3-lobato, lobis lateralibus cum lobo labii superioris conformibus, lobo medio 32 RUBIACE.E. plus minus longiore oblongo 2^ mm. longo 2^ mm. lato apice rotundato basi haud contracto margine glanduloso-ciliolato, lobis totis reticulato-nervosis. Stamina 4 exserta versus basin corollae affixa, partibus liberis filamentorum 10 mm. longis glabris, antheris ellipsoideis 1§ mm. longis ^ mm. latis utroque emarginatis glabris purpureis. Stylus inclusus 10 mm. longus glaber erectus apice late campanulatus § mm. latus. HAB. Inter Busegan et Seisui, leg. B. HAYATA et S. SASAKI, Mai. 1917. Near Abelia Aschersoniana and A. chinensis ; but differs from the former by the much larger leaves, and from the latter by the quite obtuse and shortly apiculate, but never acuminate, leaves. Rubiacese. Nertera BANKS et SOL. Tfertera nigricarpa HAYATA (PL VI.) Fl. Montana Formos. p. 115. HAB. Bonbonsha, leg. B. HAYATA, Mai. 1917. Near Nertera depressa BANKS et SOL. (Bot. Mag. t. 5799); but differs from it by the entire corolla-lobes and black fruits. Galium, LINN. Galium Morii HAYATA sp. nov. (Fig. 24) Caulis ascendens 5 cm. altus toto foliatus glaber vel inferne sparce pilis retrosis conspersus, internodiis superioribus longioribus 8 mm. longis, inferi- oribus brevioribus 2 mm. longis. Folia inferiora minora 1 mm. longa, superiora majora 3 mm. longa 4-quasiverticillata, superiora majora ob- longa 3^ mm. longa 2^ mm. lata apice apiculato- acuta basi obtusa haud petiolata sessilia margine integra 3-nervia, nervis supra elevatis ad nervos pilis setuliformibus parce conspersa, nervis sub- tus haud elevatis. Cyma pauciflorata fere termi- nalis ; fructus reniformis setulis uncinatis Fig' 24' Galium Morii HAYATA- superiore interiore recurvis conspersus. HAB. Mt. Morrison, leg. U. Mori, Dec. 1908. Remarkable for its small form with rounded leaves and stipules. EBENACE^ 33 Galilim tarokoense HAYATA sp. nov. (PI. VII.) Herba glabra 8 cm. alta. Caulis decumbens vel ascendenti-erectus aggregatim situs basi 'ramosus toto foliatus. Folia cum stipulis quasi-4-verticillata rhomboideo-oblonga cum petiolis 1 mm. longis 6 mm. longa 2 mm. lata apice triangulari-obtusa basi subito attenuata petiolum 1 mm. longum ^ mm. latum formantia margine Integra tenuiter deorsum recurva chartacea costa, supra distincte tenuiter elevata subtus baud elevata ; nodi caulis ad basin petiolorum plus minus pilis setuliformi- bus instructi ; internodiis 6 mm. longis. Cymae 3-5-floratae axillares vel terminal es glabrae ; pedicellis ultimis 1 mm. longis. Calycis lobi 0. Corolla rotata 4-partita, partibus valvatis triangulari-oblongis 1| mm. longis § mm. latis apice acutis basi baud vel leviter contractis utraque glabris ; parte corollae centrali non partita ^ mm. in diametro. Stamina 4 ad limbum inter lobos affixa, filamentis ^ mm. longis glabris, antheris oblongis. Stylus brevissimus 2-partitus. Ovarium globoso-reniforme dense setulis superiore recurvis conspersum. HAB. inter Shinj5 et Batakan, leg. S. SASAKI et B. HAYATA, Aprili. 1917. Larger than the preceding species from which this is distinguishable by the quite glabrous, more or less petiolate leaves. Ebenaceae. Diospyros LINN. Diospyros Sasakii HAYATA sp. nov. (PI. VIII.). Arborescens 20 ped. alt. Ramuli graciles fusco-purpurascentes teretes lenticellis minutis conspersi. Folia alterna membranacea lanceolata vel ovato-lanceolata 9 cm. longa 3 cm. lata apice acuminata basi acuta vel rotundata margine subintegra, costis venis venulis supra leviter impressis subtus leviter elevatis tenuibus, venis lateralibus gracillimis, reticulis subtus distincte visis, toto glabra, petiolis 1 cm. longis glabris gracilibus intus sulcatis. Flores $ breve racemosi, racemis 4-5 floratis ad summum 1 cm. longis glabris, pedicellis 2-5 mm. longis glabris. Calyx late obconicus viridis alte 4-lobatus extus glaber, lobis oblongo-trian- gularibus 2^ mm. longis 2 mm. latis apice obtusis basi baud contractis margine integris extus glabris intus hirsutis. Corolla urceolata 6 mm. longa 34 EUPHORBIACE-fl]. 3£ mm. lata cxtus glabra intus barbata alba apice 4-lobata, lobis intus rubro-violascentibus late rotundatis 1 J mm. longis 2 mm. latis apice rotun- datis ad centrum leviter sinuatis basi plus minus contractis extus glabris intus barbatis. Stamina 14-16 basi corollae affixa, filamentis brevibus plus minus barbatis, antheris lanceolatis inaequalibus, longioribus 3 mm. longis, breviori- bus 2 mm. longis § mm. latis apice acuminatis basi obtusis vel rotundatis plus minus barbatis. Kudimentum ovarii incrassatum 1 mm. longum totius- quc latum 4-lobatum glabrum. HAB. inter Batakan et Uchitaroko, leg. S. SASAKI et B. HAYATA, Aprili. 1917. Near D. Morrisiana HANCE (BENTH. Fl. Hongk. p. 210); but differs from it by the notched lobes of the corolla. Kuphorbiaeese. Euphorbia LINN. Euphorbia tarokoensis HAYATA sp. nov. (PL IX.) Ilerba toto glabra annua basi suffrutescens circ 30 cm. alta. Caulis erectus rectus teres glaber pallido-viridis simplex baud ramosus (excepta inflorescentia), basi haud-foliatus a basi sursum usque ad apicem foliatus. Folia alterna approximatim sita sessilia linearia 4-5 cm. longa 3-4 mm. lata versus apicem latiora quam basi apice obtusissima rotundata sed ad centrum apicis brevissime apiculata basi obtusa toto glaberrima margine integerrima tenuissime deorsum recurva, costa supra leviter impressa subtus prominente elevata. Cymie ad folia superiora axillares et terminales paniculam pyramidalem formantes, paniculis 10-13 cm. longis 8-10 cm. latis ; cymis longe pedunculatis, pedunculis 3-4 cm. longis rectis ascendentibus vel patentibus apice furcatim 2-rarnosis, ramis apice involucra florum 2 gerentibus, ad rainificationem bracteis 2 instructis, bracteis ordinis primarii rhomboideis vel reniformibus 8-10 mm. longis, 5-10 cm. latis oppositis ; bracteis ordinis secundarii semper reniformibus 6 mm. longis 8 mm. latis apiee breve apiculatis. Involucrum sessile vel brevissime pedicellatum urceolato-campanulatum extus glabrum 1^ mm. longum 2 mm. latum ad orern glandis 4 instructum, glandis semi-oblongis latere exteriore truncatis denticulato-crenulatis crassiusculis ; lobi involucri glandis alterni URTICACEJ5. 35 interiore recurvi semi-rotundati J mm. longi ^ mm. lati margine hirsuti. Fl $ 10-15 in involucre inclusi, stamina 1, filamentis ^ mm. longis, antheris reniformibus basi apiceque 2-lobatis ; bracteis inter stamina laciniatis. Ovarium longe stipitatum exsertum globosum trilobum, stylis trifidis, segmentis 2-ramosis. HAB. inter Batakan et Uchitaroko, leg. B. HAYATA et S. SASAKI, Aprili. 1917. Comparable to some extent to Euphorbia pekinensis, but differs from it by the much smaller form with perfectly entire leaves and denticulate glands on the involucres. Urtieacese. Ficus LINN. FlCUS kaukauensis HAYATA sp. nov. Arbor. Rami et ramuli cinereo- rubescentes cicatricibus foliorum rotundatis et cicatricibus stipularum an- nuliformibus remote notati, cortice longitudinaliter rugoso, lenticellis haud manifestis. Folia alterna obovato-oblonga vel oblonga 11-16 cm. longa 6-10 cm. lata apice breve acuminata vel breve cuspidata basi versus extremitatem subito cuneata margine integra vel subintegra coriacea utraquejglabra, costis venisque supra tenuiter elevatis vel rarius impressis subtus distincte elevatis rubro-coloratis venis lateralibus primariis utroque latere costee 7-8 arcuatis sursum furcatis, petiolis 2-2^ cm. longis teretibus glabris supra tenuiter sulcatis ; stipulis caducis ovato-lanceolatis 3 cm. longis 1 cm. latis apice acuminatissimis basi subtruncatis. Receptaculum florum galliferorum versus apicem ramorum lateraliter solitariter vel geminatim dispositum depresso- globosum circ. 2 cm. in diametro 14 mm. longum apice plus minus convexum basi depressum circ. iQ-costatum fulvescens minute verrucoso-lenticellatum basi bracteis 3 instructum, bracteis brevissimis 1^ mm. longis circ. 3 mm. latis late triangularibus apice subrotundatis vel obtusis ; bracteis circum orem apicis receptaculi semi-rotundatis multis imbricatis. Flores galliferi longe stipitati vel sessiles ; perianthia subgamophylla ad ovarium arete adnata et id includentia membranacea. Ovarium oblique obovoideum 1^ mm. longum, stylo laterali ascendenti 1 mm. longo, stigmate truncate. HAB. Kaukaukei, leg. B. HAYATA, Mai. 1916. 36 URTICACE^E. Near F. Konishii HAY., but separable from it by the leaves which are obovate with very cuneate base. Ficus ochobiensis HAYATA sp. nov. Arbor. Rami crassiusculi, ramulis rubro-purpurascentibus. Folia oblonga chartacea vel chartaceo-membranacea 10-13 cm. longa 4-6 cm. lata apice breve cuspidata ad summum obtusa basi acuta vel cuneata margine subintegra a medio deorsum integra a medio sursum obscure undulata plana, praesertim sub cuspidibus manifeste repanda, vel toto subintegra supra haud nitida subtus pallida, costis venis supra subplanis haud distinctis subtus tenuiter elevatis rubro-coloratis manifeste distinctis, venulis reticulatis subtus distincte visis, venis lateralibus primariis utroque latere costse 6-7 arcuatis sursum furcatim ramosis, utraque pagine glaberrima, petiolis 7-15 mm. longis sparce hirsutis, stipulis caducis ovatis vel elongato- ovatis 18 mm. longis 8 mm. latis apice acutis basi truncatis. Receptaculum depresso-globosum (immaturum ? ) ad ramos vel truncos glomeratim dispositum stipite 3 mm. longo instructum 12 mm. longum 7 mm. latum plus minus verrucosum vel Ireve apice depressum basi convexum basi bracteis 3 instruc- tum, bracteis late triangularibus connatis peltam triangularem 6 mm. in diametro formantibus apice obtusis margine subintegris vel minute denticu- latis vel ciliolatis ; bracteis circum orem oo -seriatim dispositis triangularibus vel oblongis margine ciliolatis. HAB. Ochobi, leg. B. HAYATA, Mai. 1916. Near I'. Konishii HAY., but differs from it in having leaves with much acuter base. Also comparable to F. Harlandi, but distinguishable from it in having much thinner leaves [with more or less cuspidate tip. Also near F. fistulosa REINV. (KiNg. t. 150; by the leaves with much narrower base. Ficus tannoensis HAYATA sp. nov. Suflrutex humilis a basi ramosus, ramis teretibus gracillimis simplicibus vel pauce ramosis scandentissimis generaliter haud ramulosis rubro-purpurascentibus longitudinaliter rugulosis, cortice tenuissimo longitudinaliter fisso et soluto fere toto longitudine foliosis, 30-1 00 cm. longis 1-2 mm. in diametro sectionis. Folia linearia 2^-1 Ocm. longa 2^-9 mm. lata apice acuminatissima basi obtusa vel truncata vel auriculato-dilatata margine integra, supra in exsiccato fusca subtus pallida CUPULIFEB^B. 37 utraque pagine subglabra vel supra sparce hirsuta subtus sub lente minute atro-punctata, costis venis utraque vix vel haud elevatis, venis supra haud visis subtus distincte visis, tenuiter 3-nervia, nervis lateralibus tenuissimis brevissimis subrectis a costa angulo 45q egressis prope marginem subito sursum arcuatis, venis lateralibus utroque latere costse circ. 20 vel plus numerosis a costa angulo 90° divaricatis prope marginem venis marginalibus connexis, venis marginalibus a margine ^-1 mm. distantibus, petiolis subteretibus J-8 mm. longis hirsutis, stipulis castaneis membranaeeis lineari-lanceolatis 2-7 mm. longis acuminatis glabris caducissimis basi dilatatis caulem semi-amplectan- tibus ; folia interdum anomala obovato-cuneata 1 cm. longa obscure 3-lobata. Receptaculiim solitarium axillare stipitatum, stipite 3-5 mm. longo. Re- ceptaculum (floribus galliferis ct masculinis) subgloboso-urceolatum 13 mm. longum 12 mm. latum laeve glabrum basi 3-bracteatum; bracteis late triangularibus 1^ mm. latis minus quam 1 mm. longis apice obtusis margine ciliolatis ; receptaculum apice urceolato-depressum, bracteis circum orem elevato- convexo-dispositis oo-seriatis triangulari-rotundatis 2 mm. latis 1 J mm. longis haud costatis minute ciliolatis. Flores galliferi sessiles vel stipitati, perianthia 4-partita, segmenta linearia atro-castanea 2| mm. longa 1 J mm. lata apice acuta ; ovarium oblique globosum minus quam 1 mm. in diametro, stigma laterale. Flores masculini, staminibus l-3} perianthiis 4-partitis7 antheris 2-loculatis oblongis 1^ mm. longis minus quam 1 mm. latis utrinque emar- ginatis, filamentis § mm. longis. HAB. Tanno, leg. B. HAYATA, Mai. 1916. Very distinct for the very slender scandent habit of the species. Cupuliferse. Quereus LINN. Quercus Sasakii KANEHIRA (PI. X.) in HAYATA Ic. PI. Formos. VI. p. 64. Quereus spinosa A. DAVID var. Miyabei HAYATA n. v. Quercus Miyabei KAWAKAMI in lit. Frutescens. Bamuli fasco-purpurascentes parce lenticellati versus summurn stellato-tomentosi dense foliati validiusculi. Folia coriacea ellipsoidea rarius ol)ovato-ellipsoidea 5^ cm. longa 3| cm. lata apice rotundata basi leviter cordata margine integerrima vel remote spinosa, costa 38 CUPULIFER^:. supra leviter elevata subtus prominente elevata, venis primariis lateralibus utroque latere costae 7, mediis 50° infimis 90° a costa egressis subtus elevatis, supra glabra subtus ad basin costas stellate- tomentosa caeterum glabra, petiolis brevissimis 5 mm. longis plus minus tomentosis. Cupula HAB. in montibus centralibus, leg. U. MORI, Dec. 1909. The species was first named as Quercus Miyabei by the late T. KAWAKAMI, but the name was not published, as it was then considered to be identical with Quercus spinosa DAVID. In examining again the species and in comparing it closely with Q. spinosa, I have found that there are some difference between the two. The leaves of the present Quercus are usually elliptical or very slightly obovate-elliptical, while those of Q. spinosa are always obovate. Moreover, the 'leaves of the former are nearly plain on the ii| 'per surface, while those of the latter are very much impressed on the costas and lateral veins. For this reason, it would be better to regard the Formosan species as a variety of Q. spinosa. Quercus tarokoensis HAYATA sp. nov. (PL XI.). Arbor. Eami pallido- cinerascentes vel purpurascentes minute lenticellati, ramulis gracilibus fulvo- stellato-tomentosis foliatis. Folia variabillima coriacea vel chartacea sub- decidua elliptica ovata vel oblonga 3-4 cm. ,longa 2-2^ cm. lata apice obtusa acuta vel acutissima basi leviter cordata margine aristato-serrulata, serrulis erecto-ascendentibus apice aristis instructis, aristis ascendentibus 1 mm. longis interiore recurvis, pagine utraque glabra ad costas sparce stellato- hirsuta, venis primariis lateralibus utroque latere costas 7-8 mediis 50° infimis 90° a costa egressis rectis apice ad serras attingentibus, petiolis 3 mm. longis stella to-tomentosis, stipulis caducissimis lineari-spathulatis 7 mm. longis 1^ mm. latis apice obtusis basi atteniiatis. Amentum floris $ gracile pendulum 3 cm. longum stellato- hirsutum a supra basin remote floratum. Perianthi- um late obconicum 2-3-lobatum extus hirsutum intus glabrum 1J mm. longum. Stamina 4-5, filamejitis 2| mm. longis glabris, antheris linearibus 1 mm. longis ^ mm. latis. Cupula disciformis 12 mm. in diametro 3 mm. alta extus squamis multi-seriatim instructa, squamis triangularibus | mm. longis § mm. latis apice obtusis imbricatis adnatis adpresse hirsutis, intus adpresse sericeo-hirsuta ad centrum cicatricibus glandis notata, cicatricibus 5 CONIFERS. 39 mm. in. diametro. Glans glabra ovoideo-globosa 1^ cm. longa 13 mm. lata apice stigmate apiculata basi rotundata, cicatricibus 5 mm. in diametro. HAB. Batakan, leg. S. SASAKI et B. HAYATA. Comparable to some extent to Quercus spinosa DAVID, but differs from it by the acuter, smaller, thinner and less wrinkled leaves. Coniferae. tfuniperus LINN. Juniperus formosana HAYATA Fl. Mont. Formosa p. 209 var. concolor HAYATA n. v. (Fig. 25). Frutex erectus, ramis as- cendentibus vel pendulis rubro-purpurascentibus rugosissimis, ramulis gracilibus toto foliatis trigo- nis ad angulos canalibus resiniferis teretibus in- structis facie glabris ad nodos trifoliatis, inter- nodiis 2 mm. longis. Folia linearia 17 mm. longa 2 mm. lata apice acuminata aristata basi haud contracta basi intus callis pulviniformibus singulis instructa ad nodos ramulorum ternatim verticil- lata ascendentia vel patentia, cxtus costis elevatis convexis intus leviter concavis, partibus stomati- feris utroque latere costa? §mm. latis, partibus non-stomatiferis ^ mm. latis. Fructus subsessilis globosus 9 mm. in diametro apice ^-forme stria- tus. Semina 3 oblique ovata subtrigona 6 mm. longa 3 mm. lata apice obtusa retusa ad centrum summorum breve apiculata basi rotundata facie Fig. 25, Juniperus formosana ~H.A\. var concolor HAY. 1- vel 2-faveolata, testa ossea. HAB. Busegan-Seisui, leg. B. HAYATA et S. SASAKI, Mai. 1917. Differs from the type by the leaves which are not glaucous beneath, and which have broader stomatiferous bands on the under side. JPodocarpus L' HER. Podocarpus nankoensis HAYATA sp. nov. Arbor, rami et ramuli asce«4erites vel patentes interdum plus minus penduli graciles, cortice cineras- a, a fruit; b, the same, seen from side; c, the same, seen from above; d, e, a seed, seen from different sides ; f, the same, in section. 40 ORCHIDE^E. cente longitudinaliter rugoso iisso glabro. Folia opposita lanceolata ovato- lanceolata apice obtusa 6-9 cm. longa 13-25 ram. lata basi cuneato-attenuata sessilia margine integerrima utraque glabra crasso-coriacca haud costata sub- tus pallidiora multinervia. Fl. £ breve racemosi, racemis axillaribus 1 cm. longis sessilibus 4-5-floratis basi bracteis 2-3 instructis, bracteis 2^-3 mm. longis triangularibus 1 mm. latis apice longe cuspidatis margine ssrrulatis glabris, cuspidibus validibus 1-2 mm. longis. Flores cylindrici sessiles 5-7 mm. longi glabri, staminibus 70-100 spiraliter approximatim dispositis. Stamina sessilia 2-locularia adnata, antheris oblongis 1 mm. longis introrse dehiscenti- bus, connectivis apice productis, partibus productis cuspidiformibus 1 mm. longis triangularibus apice acutis. HAB. Nanko, leg. B. HAYATA, Mai. 1916. Near Podocarpus Nageia, T>ut differs from it in the much smaller male flowers with much narrower scales. Branches of this new species are some- what drooping, while those of P. Nageia are spreading and ascending. Orehidese. Dendrobium SEV. Dendrobium erythroglossum HAYATA (PI. XII.) Ic. PL Formos. IV. p. 36. lAparis RICH. Liparis keitaoensis HAYATA sp. nov. (PL XIII). Terrestris, radicibus gracilibus haud incrassatis e basi pseudobulbi oriundis. Pseudobulbi annotini ovoidei plus minus complanati 4cm. longi 2-2 Jem. lati apice obtuso-acuti basi rotundati haud squamati subnudi. Caulis erectus gracilis basi haud in- crassatus glaber in specimine nostro cum racemo 22 cm. longus e basi pseudo- bulbi annotini oriundus 1-foliatus basi squamis vaginiformibus 2-3 et basi folii involutus. Folia e basi caulis oriunda petiolata, laminis cordatis 11 cm. longis 9cm. latis apice acutis basi profunde cordatis caulem amplectantibus supra pallido-viridibus subtus pallidissimis utraque glabris margine integerrimis planis haud crispulatis crassiusculis supra subnitidis, nervis lateralibus utroque latere costte 5-6, venulis inter nervos circ. 5 tessellato-reticulatis haud visis ; laminis horizontaliter patentissimis, petiolis erectis 6 cm. longis secus longi- tudinem plicatis toto amplexicaulibus latere complanatis latere 1 cm. latis LILIACE.E. 41 glabris pallidis basi squamis 1-2 involutis, squamis vaginiformibus 3-5 cm. longis petiolum perfecte amplectantibus. Racemi glabri erecti subrecti sub- nudi angulato-teretes ad angulos angustissime alati laxiuscule floriferi, bracteis basi pedicelli singulis minutis latissime triangularibus 1 mm. longis 2 mm. latis apice acutis, pedicellis cum ovariis circ. 1 cm. longis angulatis pallido- viridibus transverse divaricatis. Flores virides. Sepalum posticum lineare integrum margine reflexo-convoluto-recurvum 1 cm. longum basi 2 mm. latum apice obtusum basi plus minus cordatum dorso prominente carinatum glabrum ; sepala lateralia plus minus obliqua quam posticum latiora. Petala angustissime linearia 1 cm. longa minus quam 1 mm. lata apice truncata margine plus minus convoluta. Labellum obovato-obtriangulare 8 mm. longurn totiusque latum apice truncatum ad centrum apicis minute cuspidatum, cuspide triangulari 1 mm. longa totiusque lata, margine denticulatum apice plus crispulatum trinervium, nervis lateralibus extrorss venulis 3-4 geren- tibus, medio stria singula nitida viridissima instructum basi callis duobus instructum facie utraque lasve. Columna cum operculo 4 mm. longa anteriore recurva glabra semiteres basi valde dilatata utroque latere basis auriculata, auriculis decendentibus obtusis ^ mm. longis, apice utroque latere anteriore alata, alis triangularibus. Anthera 2-locularis, pollinia 2. HAB. Keitao, leg. B. HAYATA, Aprili. 1916. Very near Liparis cordifolia HOOK. f. (LviNG and PANTLING Orchids of the Sikldm-Himalaya t. 28) ; but distinguishable from it in the lips which are, in this new species, nearly smooth and glabrous on the upper surface, slightly denticulate at the margin and dark green on the middle striation on the upper surface. In Liparis cordifolia, the lips are tuberculate on the upper surface, conspicuously denticulate at the margin and bright yellow on the middle striation. Liliaceae. Trillium LINN. Trillium Morii HAYATA sp. nov. (PI. XIV '.)= Trillium Tsclionosldi HAYATA (non MAXIM.) Ic. PI. Formos. V. p. 233. Caulis 40-50 cm. altus teres glaber inferiore 7 mm. in diametro haud ramosus simplex erectus rectus apice foliis verticillatis 3 instructus, e basi radices filiformes emittens. Folia 42 LILIACE.E. sessilia late rhomboideo-rotundata latiora quarn longa 10 cm. longa totiusque lata apicc subito cuspidato-acuta "basi late cuneata vel rotundata utraque pagine glabra margine Integra membra nacea 3-nervia. Flores ad apicem caulis terminales 2-2J cm. in diametro solitarii glabri pedunculati, pedunculis erectis rectis teretibus 2-3 cm. longis. Sepala 3 ovato-lanceolata 17 mm. longa 8 mm. lata apice acuminata ad summum obtusa glabra margine Integra. Petala 3 ovato-oblonga 2 cm. longa 9 mm. lata margine integra apice obtusa basi plus minus contracta membranacea. Stamina 6 glabra, filamentis 5 mm. longis complanatis basi dilatatis 1 mm. latis medio \ mm. latis, antheris adnatis linearibus 3| mm. longis apice apiculatis. Ovarium late ovoideum 9 mm. longum 8 mm. latum apice obtusum ad stigmata trifida abcuns, ramis stigmatis 3 mm. longis exteriore recurvis intus dense botryoideo-hirsutis, 3-loculare. HAD. Tonkurankei, leg. U. MORI, Aprili. 1910. Closely related to T. Tsclionoslrii MAXIM., but differs from it in the densely hirsute stigmata. Allium LINN. Allium morrisonense HAY ATA sp. nov. Bui bus tunicatus ovoideo- (ampulli)-formis 15 mm. longus apicj attenuatus. Folia tenuissima 30-40 cm. longa 1^ mm. lata fere filiformia glabra apice acuminata. Scapus erectus glaber rectus 45-35 cm. longus teres medio 2 mm. latus apice umbel- lam singulam gerens. Umbella simplex terminalis solitaria basi 2-bracteata, bracteis hyalinis ovatis apicc acuminatis, radiis (pedicellis) circ. 6 gracilibus 2 cm. longis patentibus. Segmenta perianthii exteriora rotundato-oblonga 5 mm. longa 4mm. lata apice rotunda basi contracta obtusa margine integra intus valde concava ; interiora oblonga 6 mm. longa 4 mm. lata apice obtusa basi late cuneata ad basin 1 mm. lata margine plus minus eroso-crenulata vel subintegra 1-nervia. Stamina 6, 8-10 mm. longa, filamentis glabris complanatis, antheris oblongo-ovoideis 2mm. longis 1 mm. latis apice attenuatis basi cordatis. Ovarium depresso-globosum 2 mm. longum 3 mm. latum apice depressum basi stipitem 1 mm. longuin abeuns. HAB. Mt. Morrison, ad 5000 ped. alt., leg. U. MORI. Near Allium Bdkeri, but differs from it in having much slenderer and GRAMINE.E. 43 longer leaves. There is a specimen labelled as A. Baleeri in the herbarium at Kew, which is exactly like the present species. Gramineae. Conspectus of the Formosan Genera. Mainly arranged after HOOKER'S system given in "11. Brit. Ind. VII" Series A. Panicacese. Spikelets articulate on their pedicels, or deciduous with them, 1-2-fld, upper fl. alone (if 2) fruiting. Exceptions Spikelets inarticulate on their pedicels in Arundinella and Isachne. Spikelets articulate on their pedicels, or with articulate pedicels occur in Poacece, in Alopeculus, Polypogon and Lophatherum. Upper flower alone fertile in TRIBE PHAIIAIDE/E of Poacese, and in Tristacliya. I, Rachis of infl. inarticulate. Fl. gl. usually coriaceous or herbaceous. TRIBE I. PANICE^:. Spikelets 1-2-fld., if 2, upper fl. bisexual, lower male or neuter, rarely both fertile (Spinifex is dio2cious). * Spikelets articulate on their pedicels, except Isachne and Arundi- nella. I •j" Spikelets not involucellate by bristles. § Spikelets not awned (gl. II. and III. beaked or awned in Pan. Crus-Galli}. (See also Arundinella}. Spikelets 1-fld. dorsally flattened, base not thick- ened ; gls. 3. 1. Paspalum. Spikelets of Paspalum 1-fld., but with a thickened basal callus, panicled. 2. Eriochloa. Spikelets 2-fld. subglobose, panicled ; outer empty glumes 2 nearly equal ; both the flg. gls. as well as the paleae, of a firmer texture, all awnless. 3. Isachne. Spikelets of Isachne ; but 1-fld., gls. 4, outer glumes very deciduous ; flg. gl. membranaceous. 44 GRAMINE^J. 4. Spliaerocaryum. Spikelets 1-fld. panicled or spicate, gls. 4 : I and II very rarely subequal, II and III awned in P. Cnis-Galli, IV rarely very shortly awned. 5. Panicum. Spikelets dorsally flattened, on one side of slender spikes, gls. 4, or the first entirely reduced ; others like Panicum 6. Digitaria. Spikelets of Panicum, but gl. IV narrowed into a short, flattened stipe. 7. Ichnanthes. Spikelets innumerable, very minute, densely crowded in the capillary branches of a very large panicle ; gl. IV setaceously hairy on the marginal costae. 8. Thysanolaena. Spikelets panicled, branches of panicle produced beyond the uppermost spikelets ; gl. I minute, hyaline. 9. Chamcer aphis. Dio3cious, male spikelets in clustered spikes, fern. solitary ; a stout grass, leaves setiformed. 10. Spinifex. §§ Spikelets awned, except in some sp. of Arundinella. Spikelets solitary or fascicled on a simple rachis or the branches of a panicle ; gl. I long awned. 11. Oplismenus. Spikelets of Panicum, but ^marginal nerves of gl. II barbate, and palea of III deeply cleft, IV awned 12. Axonopus. Spikelets persistent on the pedicels, or gls. I and II separately deciduous, IV deciduous ; usually awned, awn bent. 13. Arundinella. ff Spikelets each surrounded by an involucel of bristles. 14. Setaria. GRAMINE.E. 45 ** Spikelets persistent on their pedicels, at least the fertile, or deciduous with their pedicels. f Spikelets in involucelled deciduous fascicles. 15. Penmsetum. ft Spikelets not involucelled. 16. Thuarea. TRIBE II. ORYZEJS. Spikelets 1-fld., articulate on their pedicels and deciduous from them. Palea 1-3 nerved, stamens 6. Spikelets 2-sexual, awned or not; gl. 4, I and II minute or setaceous. 17. Oryza. Spikelets 2-sexual, awnless ; gls. 2, broad, thin. 18. Leersia. Spikelets 1-fld., unisexual narrow. Panicles long abundantly floriferous androgynous ; gls. 2, Stamens 6. 19. Zizania. TRIBE III. ZOYSIE.E. Spikelets 1-fld., deciduous with their pedicels, 2-sexual, or some imperfect. Spike very slender ; spikelets narrow, gl. I and II awned. 20. Perotis. Spike rigid ; spikelets appressed to the rachis, not awned. 21. Zoysia. H. Eachis of inflorescence usually articulate (except Apluda). TRIBE IV. ANDROPOGONE^E. Spikelets usually 2-nate, or the termi- nal in the infl. 3-nate, pairs homo- or heterogamous. Fl. gl. smaller than the empty, hyaline, often awned or reduced to an awn. Subtribe I. Maydecc. Spikelets spicate, all 1-sexual ; male spikes in terminal panicles, or continuous with fern, spike. Fruiting spikelets enclosed in a stony, nut-like polished bract. 22. Coix. Fruiting spikelets enclosed in leafy bracts. Female spikelets densely crowded on a cylindric 46 GRAMINE.E. spongy rachis, grain exposed. 23. Zea. Female spikelets sunk in alternate cucullate dilatation of the rachis of the spike, which is hidden in the leaf-sheath ; grain not exposed. 24. Euclilwna. Subtribe II. Dimeriece. Spikelets homogamous, secund on a slender inarticulate rachis, 1-fld., diandrous. 25. Dimeria. Subtribe III. Saccharcce. Spikelets homogamous, in com- pound racemes or panicles (except Pollinia); gl. I. not sunk in a hollow of the rhachis. * Khachis not or rarely fragile. Spikelets in a cylindrical silvery thyrsus, 1-fld., not awned. 26. Imperata. Spikelets panicled, 2-nate, 1-fld., awned. 27. Miscantlius. ** Rhachis fragile. Spikelets in panicled racemes, 2-fld., awned. 28. Spodiopogon. Spikelets in geminate digitate or fascicled spikes. Spikelets binate, one sessile, the other pedicel- led. 29. Pollinia. Spikelets binate, both pedicelled. 30. Polliniopsis. Spikelets in a thyrsus of spiciform racemes, 1-fld., awnless. 31. Saccharum. Spikelets in a thyrsus of spiciform racemes, 1-fld., awned. 32. EriantJnis. Subtribe IV. Ischcemece. Spikelets many, in solitary digi- tate or fascicled spikes, usually heteromorphous ; gl. I not sunk in a hollow of the rachis (see Pollinia in Saccharece). * Margins of gl. I of sessile spikelets inflexed. GRAMINE^E. 47 Spikes rarely solitary ; spikelets 2-nate, 2-fld., awned. 33. Ischce.mum. Spikes solitary, spikelets 1-fld., gl. I pectinate. 34. Eremochloa. ** Margins of gl. I of sessile spikelets not inflexed. Spikes solitary ; spikelets 2-nate, 1-2-fld., 2-awned. 35. Pogonatherum. Spikes digitate ; spikelets 1-fld., 36. Arthraxon. Subtrlbe V. Apludece. Spikelets 3 on an inarticulate rachis. 37. Apluda. Subtribe VI. Itottboelliece. Spikelets homo- or hetero-gamous, 1-2-fld., solitary, or 2- rarely 3-nate on the internodes of an articulate spike or raceme, not awned., gl. I not keeled, adnate to or sunk in a depression formed by the internode and pedicel of the upper spikelets ; gls. of sessile spikelet 4. Spikelets 2-nate, gl. I flat. 38. Eoitboellla. Spikelets 2-nate, gl. I globose. 39. Manisuris. Spikelets solitary, gl. I convex. 40. Ophiurus. Subtribe VII. Euandropogonece. Spikelets heterogamous 1-fld., 2- rarely 3-nate on the whorled articulate branches of simple or compound racemes or panicles, gls 4, I not keeled, IV usually awned. Sessile spikelets of all the pairs alike in sex and form throughout the spikes. Joints of rhachis and pedicels of upper spikelets linear, compressed, with usually a central trans- lucent channel and thickened margins. 41. Andropogon. Joints of rachis very few, filiform, opaque ; lodiceles ciliate ; grain dorsally compressed. 42. Sorghum. 48 GRAMINE.X. Joints of rachis few ; spikelets articulate on the obliquely truncate, "bearded tips of the branches of the panicle. Spikelets in threes, 1 sessile between 2-pedi- eellate. 43. Chrysopogon. Lowest one or more sessile spikelets differing from all those above it in sex or form. Spikes binate on the peduncle which is enclosed in a spathiforrn sheath ; sessile spikelet dorsal ly compressed. 44. Cymbopogon. Spikes solitary, lower pairs of spikelets very unlike the upper ; upper sessile spikelets cylindric ; all spikelets monoecious. 45. Heteropogon. Spikelets in 2 superposed series ; upper series of hetero gamous pairs, and a terminal male, lower a whorl of 4-persistent males or neuters. 46. Themeda. Series B. Poagece. Spikelets continuous (not articulate with) their pedicels, 1-many-fld., rachilla articulate at the base, and often between the fig. gls.; lowest fl. always fruiting, upper often male or neuter. (Exceptions. Articulate on their pedicels in Polypogon. Upper fl. alone bisexual in PhalaridecK. Spikelets articulate on their pedicels, or gl. I and II separately deciduous occur in Alopecurus, Melica : see under Panicece some genera with spikelets inarticulate at the base). TRIBE V. AGROSTIDEA:. Spikelets 1-fld.; rachilla jointed at the base, produced or not beyond the flg. gl.; gls. 3, 1 and II empty, III flg. awned. Exceptions : Spikelets sometimes 2-fld. in Sporobolus and MueMenbergia. Subtribe I. Phleoidece. Spikelets in spiciform or suhspici- form panicles, gl. III. hyaline, loosely wrapping the grain ; stigmas exserted from the top of the spikelet. 47. Alopeciirus. GRAMINEJ3. 49 Subtribe II. Euagrostece. Spikelets 1-fld. usually small, in open or contracted many-fld. panicles ; gls. usually thin or membranous ; stigmas laterally exserted from the spikelet. (Spikelets rarely 2-fld. in Sporobolus and MueJilenbergia). Spikelets articulate on their pedicels, or gl. I and II separately deciduous, or pedicel articulate in the middle. 48. Polypogon. Spikelets and pedicels inarticulate, gl. I and II persistent. Gls. all awnless ; I and II 1-nerved, pericarp of grain loose. 49. Sporobolus. Gls. I and II subequal, 1-nerved, awnless, awn of III dorsal or O. 50. Agrostis. Gls. I and II unequal, awnless, 1-nerved, awn of III terminal. 51. Muehlenbergia. Gls. I and II 3-nerved, awnless, base of III penicillate with long hairs. 52. Calamagrostis. TRIBE VI. AVENE.E. Spikelets 2- or more fid., panicled, very rarely spicate, or panicle subspiciform ; fl. gls. usually avvned, awn geniculate and often twisted, rarely straight or 0 ; rachilla produced or not beyond the upper fl. gl. Subtribe I. Airece. Spikelets 2-fld.; gls. membranous ; rhachilla not produced. 53. Aira. Subtribe II. Euavenece Spikelets 2- or more fld., rhachilla produced. Spikelets 2-fld., both bisexual, awned. 54. Deschampsia. Spikelets 2-6-fld.; fl. gl. awned, awn subterminal or dorsal Annual. Spikelets pendulous ; gl. I and II 5-7- 50 GRAMINE^. TRIBE VII. TRIBE VIII. nerved, ovary with a villous top. 55. Avena. Perennials. Spikelets erect. Fl. gls. 3-5-nerved, ovary quite glabrous. 56. Trisetum. CHLORIDES. Spikelets 1- or more fld., 2-seriate (sometimes very distantly) and secund on an inarticulate or on the spiciform branches of a slender panicle ; fl. all or the lower only bisexual ; rhachilla produced or not beyond the upper fl. gl. * Spike solitary, terminal. Spikelets 1-2-fld., in sessile inarticulate clusters, awned. 57. Enteropogon. Spikelets many-fld., fl. gl. 3-awned. 58. Tripogon. ** Spikes or spiciform, branches digitate, racemed or panicled. Spikes digitate, 1-fld., upper imperfect fl. 0. 59. Cynodon. Spikes solitary, spicate or racemed ; spikelets 2- or more fld., upper fl. imperfect. 60. Chloris. Spikes digitate or whorled ; spikelets 3-6-fld., densely crowded, awnless. Spikelets densely imbricate, pointing fore- wards, gl. II acnte. 61. Eleusine. Spikelets erect, at right angles to the rhachis of the spike. Glume II short, suborbicular, abruptly shortly awned. 62. Dactyloctenium. Spikes panicled filiform ; spikelets very minute, alternate, 1 or more fld., awnless. 63. Leptochloa. FESTUCACE^E. Spikelets 2- or more-fld., pedicelled, rarely sessile, in effuse or contracted rarely spiciform, panicles ; rhachilla articulate at the base and often GUAMINPLEl 51 at the base of fl. gls., always produced beyond the uppermost fl. gl. Subtribe I. Arundinece. Spikelets panicled, 2-many-fld.; gls. very narrow, flg. penicillate with long silky hairs on the callus or sides or both, lowest fl. gl. some- times male or neuter. Rachilla elongate, glabrous ; fl. gl. silluly hairy. 64. Arundo. Rachilla very short ; fl. gls. glabrous, callus with long silky hairs. 65. Phragmites. Subtribe II. Eragrostece. Infl. various. Spikelets 2-many- fld.; fl. gls. 1-3-nerved, entire, 3-toothed, 3-lobed or 3-awned. Infl. various ; spikelets many-fld.; empty gls. shorter than the lowest fig. gl., 1-nerved; flg. gls. 3-nerved; grain very minute terete. 66. Eragrostis. Spikelets sessile on the spiciform branches of a tall, broad panicle, many fld.; fl. gls. 3-4-toothed. 67. Diplachne. Subtribe III. Centothecece. Spikelets 1 -many-fld., 1-2- seriate on the rachis of a simple spike or on the long slender branches of a simple panicle — Leaves broad, tessellately nerved. Spikelets 1-fld., secund and articulate at the base ; upper gls. empty convolute with setiform tips. 68. Lophalherum. Spikelets 3- or more fld., secund, persistent : fruit- ing gls. with reflexed submarginal bristles, (but bristles are entirely absent in the Formosan var. inermis). 69. Centotheca. Subtribe IV. Eufestucece. Spikelets usually panicled, 2 52 GRAMINE.3S. or more-fld.; fl. gls. 5- many- (very rarely 3-) -nerved, upper empty or 0 ; styles short (spikelets of Bracliy- podium in long very lax spikes). Spikelets laxly panicled, few-fld ; gls. keeled, 5- nerved, awnless, nerves rarely meeting at the tip. 70. Poa. Spikelets panicled, many-fld., fl. gls. acute or awned, dorsally rounded, top of ovary naked or hairy. 71. Festuca. Spikelets spicate, many-fid., mucronate or awned. 72. Brachypodium. TRIBE IX. HORDED:. Spikelets 1 or more-fld.; sessile, 1-2 or more seriate on the rachis of a simple spike, or partially sunk in cavities of the same ; rhachilla usually arti- culate and produced beyond the flg. gls. into a naked glumiferous bristles ; gls. awned or not, I and II opposite or subcollateral, persistent or separately deciduous, I sometimes absent or very minute. Subtribe I. LoliecB. Spikelets solitary at the nodes of the spike ; plane of the spikelets radial to the rhachis. Spikelets 1-2-fld., gl. I minute or 0, II (or one opposite fl. glume, or in Formosan species outer- most one) much longer than the hyaline III ; spike cylindiic, rachilla glabrous. 73. Lepturus. Subtribe II. Triticecc. Spikelets solitary at the nodes of the spike ; plane of spikelets tangential to the rachis ; fl. gls. 5-9-nerved, lateral nerves not conniving, short or ending in teeth or awns. 74. Triticum. TRIBE X. BAMBUSE.E. Shrubby or arboreous grasses. Leaves flat, jointed on the sheath. Spikelets l-oo -fld.; lower 2- or more gls. empty, gradually increasing in size up to the flowering, with sometimes small terminal imperfect ones. Palea usually large, 2-keeled. Lodi- 53 celes usually 3. Stamens 3, 6, or oo. Styles 2-3. Subtribe I. Arundinariece. Palea 2-keeled ; stamens usually 3 ; pericarp thin, adnate to the seed. Spikelets 1-many-fld.; racemed or panicled ; empty gls. 1-2. 75. Arundinaria. Spikelets 1-4-fld., spicate ; spathes bracteate ; empty gls. 2-3. 76. Phyllostacliys. Subtribe II. Eubambusece. Palea usually 2-keeled ; stamens 6 ; pericarp thin, adnate to the seed. 77. Banibusa. Subribe III. Dendrocalamece. Palea 2-keeled ; stamens 6 ; pericarp fleshy or crustaceous ; seed free. 78. 'Dendrocalamus. Subtnbe IV. Melocannece. Spikelets 1-fld. Palea 0 or glume-like. Stamens 6- oo. Pericarp crustaceous or fleshy, seed free. 79. Schizostacliyum. I. JPaspalum LINN. Conspectus of the species. Spikelets rounded obtuse nearly orbicular. First and second glumes membranaceous 1. P. scrobiculatum. First glume membranaceous, but second glume coriaceous 2. P. akoensis. Spikelets oblong acute at the apex. First and second glumes 5-nerved 3. P. distidmm. First glume 4-nerved, second glume 5-nerved 4. P. distcJmm var. anpinense. 1- Faspalum scrobiculatum LINN., MATSUM. et HAYATA Enum. PI. Formos. p. 497. 2. Paspalum akoensis HAYATA sp. nov. (Fig. 20). Caulis 80 cm. longus erectns glaber. Folia radicalia minora cum vaginis 9 cm. longa, caulina longiora cum vaginis 30 cm. longa, vaginis 10 cm. longis glabris, ligulis 1 mm. longis membranaceis truncatis glabris 3^ mm. latis, laminis linearibus 20 cm. longis 5-6 cm. latis apice acuminatis basi ad 3 mm. con- 54 tractis utraque pagine glabris et Isevibus margine glabris Isevibus. Spicre 2-6 versus apicem caulis subsecunde paniculatim disposita? a se 5-10 mm. remotse lineares 5-7 cm. ]ongae 3 mm. latse sessiles rectas ascendentes vel patentee ; rhachis spica3 complanata alata cum ala 5-7 cm. longa 2 mm. lata glabra, costa utraque pagine elevata. Spiculaa ad paginam inferiorem rhachis secunde utroque latere a costaB 1 -seriatim dispositas contiguaB, pedicellis spiculaa e costa oriundis 1-1^ mm. longis alatis cum alis \ mm. latis plus minus pubescen- tibus apice incrassatis cum spicula articulatis. Spicuke globosaB 2 mm. longa? minus quam 2 mm. lataa apice obtusas plus minus complanatas ; glumas 3, extima globosa 2 mm. longa valde concava mem- branacea tenuiter 5-nervia1 apice rotundata basi contracta ; glumas interiores globosaa valde concavse 2 mm. longas margine tenuiter incurve indurata3 nitida3 ; palea oblonga 1 J mm. longa 1^ mm. lata apice obtusa basi contracta valde concava margine interiore incur va basi utroque latere auriculis triangularibus incurvis instructa. HAB. Ako, leg. T. S'OMA, Aug. 1914. Differs from P. scrobiculatum by the coriaceous shining second and smooth (not pitted) third, glumes. In P. scrobiculatum both first and second glumes are membranaceous and the third glume is sometimes pitted on the margin. 3. Paspalum distichmn LINN.; MATSUM. et HAYATA Enuni. PL Formos. p. 497. 4. Paspalum distichum L. var. anpinense HAYATA v. n. (Fig. 27) Spicula3 ovato-oblongaa complanatje glabrae 3J mm. longas 1^ rnm. lafce apice Fig. 26, Paspalum akoense HAYATA ; a, a portion of a spike ; b, the same, seen from back ; c, a spikelet; d, the same, seen from side; e, gl. I., f; gl. II.; g, gl. IV.; h, palea ; i, pistil with lodicels. 55 acutae ; gluma I. tenuissima medio enervia prope marginem utroque latere 2-nervia margine interfere plicata glabra ; gl. II. 5-nervia cum gl. I. con- formis ; gluma III. cum palea conformis oblonga 2irnm. longa apice acuta indurata nitida. HAB. Anpin, Sept. 1913, leg. T. SoMA. Differs from the type in having the 4-nerved first and 5-nerved second glumes. In the type, Fig, 27, Paspalum distichum LINN, var. apinense HAYATA ; _1 a, a portion of a spike; b, the same, seen from back; c, a spikelet; d, gl. I.; e, gl. II.; f, gl. III.; g, a palea; h, a pistil; i> a caryopsis ; j, section of the same. II. Eriochloa H. B. et l\. Spikelets thinly hirsute, smaller ................................. 1. E. polystachya. Spikelets densely villose, larger ....................................... 2. E. villosa. 1. Zriochloa polystachya B. H. et K; MATSUM. et HAYATA Enum. PI. Formos. p. 498. 2. Eiiochloa villosa KUNTH.; MATSUM. et HAYATA Enum. PI. Formos. p. 498. III. Isachne R. BR. 1. Flowers in a spikelet are neary alike, both hirsute or both glabrous .................................................................................... 2 Flowers in a spikelet are unlike ; one is glabrous, the other hirsute ...................................................... 1. /. heterantha. 2. Panicles spreading 10cm. long, branches spreading ____ 2. /. arisanensis. Panicles contracted .................................................................. 3 3. Stem erect, leaves rigid scabrous, but not hirsute, outer and flowering glumes glabrous ............................................. 3. K australis. 56 Stem shorter prostrate at the base, but ascending under panicles ; leaves soft, hirsute 4 4. Flowers nearly glabrous 4. 7. formula. Flowers densely hirsute 5. 7. debilis. 1. Isachne heterantha HAY ATA sp. nov. (Fig. 28). Caulis basi procumbens apice ascendens basi ad nodos radicans, internodiis 2-3 cm. longis, multi-sulcatus multi-striatus teres ad nodos barbatus 30-40 cm. longus. Folia longe vaginata, lamina oblonga 2i-2 cm. longa 8-10 mm. lata apice acuminata basi cordato- rotundata amplexicauli utraque scabra hirsuta margine Integra nervo- marginata ad marginem scabra basi margine longe ciliata, vagina 1-2 cm. longa tubiformi bar- bata, Kgula ad barbas numerosas reducta. Panicula terminalis 4cm. longa 3 cm. lata, ramis ramulis rectis patentibus plus minus crispatis sub- glabris, pedicellis 1-3 mm. longis. Spiculas oblique Fig. 28, Isachne heterantha HAY ATA ; a, a spikelet ; b, glume I.; c, glume II.; d, gl. III. with its palea ; e, glume III.; f, palea of gl. III.; g, glume IV., h, the same, seen from side ; i, glurue IV'; j, Palea of the glume IV.; k, caryopsis. globose ad apicem pedicellorum supra glumas inferiores articulatim insitce; gl. I. et II. eequiformes oblongse 1^ mm. longte membranaceae 5-7-nerviae ; gl. III. tenuissime membranacea oblonga 1^ mm. longa apice obtusa glabra paleam conformem ferens ; glama IV. Crustacea oblonga 1 mm. longa obtusa hirsuta valde convexa, palea dorso hirsuta plana margine interiore incurva obtusa oblonga 1mm. longa. HAB. Taiholm, Mentenzan, leg. Y. SHIM ADA, Oct. 1913, (typus No. 1) Taihoku, Oct. 1906, leg. G. NAKAHARA. Kather small form, resembling Isachne myosotis; but in this new GRAMINE.E. 57 species, the outer glumes are quite glabrous, and the flowering glume and palea of the sessile lower sterile flower are membranous and quite glabrous, while those of the stalked upper fertile flower are coriaceous and densely hirsute. 2. Isachne arisanensis HAYATA sp. nov. (Fig. 29). Rhizoma igno- tum. Caulis 60 cm. longus gracillimus simplex haud ramosus glaber basi procumbens ad nodos radicans, internodiis 5-6 cm. longis. Folia tota caulina patentissima recta, vaginis 3-3^ cm. longis latere uno fissis margine ciliatis, ligulis e pilis rectis 2 mm. longis constitutis, laminis lanceolato-linearibus 5-10 cm. longis 5-7 mm. latis apice acuminatis basi plus minus contractis ad 2 mm. contractis margine scaberulis utraque pagine glabris. Panicula laxa pyramidalis 9 cm. longa totiusque lata apice acuta, ramis et ramulis gracil- limis glabris plus minus crispatis laxe speculiferis, pedicellis 5-10 mm. longis glabris supra glumas in- feriores articulatis. Spicu- la? late obconica? 1^ mm. longa? 1^ mm. lata? 2-florifera3 ; gluma3 I. et II. inferiores vacua? oblonga? sub- eequales 1^ mm. longa? 3-5-nervia? glabra? ; gl. III. et IV. floriferas subaaquales 1^ mm. longa? valde concava? cum palea indurata? apice acuta? ; Palea? oblonga? 1 mm. longa? dorso pi ana? margine interiore plicata? glabra?. HAB. Arisan: Mingetsu, locis umbrosis 7000 ped. alt., April. 1916. leg. B. HAYATA. Near /. australis R. BR., but differs from it by the much taller and slenderer form with very much spreading panicles and smaller spikelets. The leaves are much larger measuring 10 to 15 cm. in length. 3. Isachne australis R. Br.; MATSUM. et HAYATA Enum. PI. Formos. p. 499. Isachne Clarkei HAYATA Fl. Mont. Formos. p. 234, (non HOOK. f.). 4. Isachne firmula BUSE; HEMSLEY Ind. Fl. Sin. III. p. 322. Isachne myosotis NEES. var. nudiglumis HACK.; MATSUM. et HAYATA Fig. 29, Isachne arisanensis HAYATA ; a, a spikelet ; b, glume II.; c, glume III.; il, a palea; e, a pistil. 58 Fig. 3O, Isachne debilis KENDL.; a, a spikelet; b, a flowering glume; c, a palea with the pistil ; d, a stamen. Enum. PL Formos. p. 500. 5. Isachne debilis RENDLE (Fig. 30) ; HEMSLEY Ind. Fl. Sin. III. p. 322. Isocline monticola HACK, (non BUSE) in Bull. Herb. Boiss. Ser. 2, IV. (1904) p. 528; MATSUM. et HAYATA Enum. PL Formos. p. 499. IV. SpTicerocaryuin NEES. HOOK. f. Fl. Brit. Ind. VII. p. 246 ; TRIM. Fl. Ceyl. V. p. 258. The present genus is represented by a single species S. elegans or Isachne pulchella. It seems that BENTHAM regarded this genus to be referable to Isachne. He gives 110 account of Sphcerocaryum in his " Genera Plantarum" Vol. III., but mentions /. pul- cliella in his Flora Hongkongeusis which species is regarded by HOOKER to be referable to S. elegans. HACKEL says in " Nachtrage zur Nat. Pfl.-fam " that he thinks the genus has quite the same character as Isachne. As far as my knowledge extends, the spikelets of Sphcerocaryum is always single- flowered, and the structure is sufficiently different from that of spikelets of Isachne. It may be, as HACKEL says, two artificial to arrange Sp7ice.ro- caryum under the Agrostinece ; but it may be quite natural to refer the genus to the Panicese and to place it close to Isachne. Sphaerocaryum elegans NEES.; HOOK. f. Fl. Brit. Ind. VII. p. 246 ; RENDL. in HEMSL. Ind. Fl. Sin. III. p. 387 ; TRIM. Fl. Ceyl. V. p. 258 ; DUNN et TATCHER Fl. Hongk. et Kwant. p. 317. Isachne pulchella BENTH. Fl. Hongk. p. 417. Panicum barb ivag 'male HAYATA Mater. Fl. Formos. p. 400. HAB. Kinpori, leg. B. HAYATA, Aug. 1900 ; Kappanzan, leg. T. SOMA, Oct. 1911. V. Panicum LINN. Key to the sections. (Arranged after HOOKER'S system given in " Fl. Brit. Ind. VII. pp. 27-28.") A. Spikelets terete or dorsally compressed. 59 I. Branchlets of panicle not produced beyond the terminal spikelets into awn-like "bristles. Spikelets 2-seriate, close-set on the nndersurface of the flat rachis of a simple spike, globose or ovoid ; awn 0 ; gl. I. very small, IV. very rugose; perennials; spikes alternate form- ing a simple raceme 1. Paspaloidece. Spikelets 3-4-seriate crowded on the undersurface of a branched spike, ovoid ; gl. I half as long as III or shorter, II and III strongly nerved cuspidate or rigidly awned, IV. hard in fruit ; annuals ; spikes alternate or crowded in usually a simple raceme 2- Echinocldoa. Spikelets irregularly l-2-(rarely 3-) seriate on the slender or spici- form branches of a simple raceme, solitary or geminate, dis- tant or crowded, ovoid or obovoid ; gl. I. shorter than half as long as III, II. and III. subequal, awn 0....3. Brachiaria. Spikelets small, crowded in spiciform panicles ovoid or lan- ceolate, sometimes decurved ; gls. usually strongly ribbed, I. much shorter than III., IV., usually much shorter than III., narrow, white 4. Hymenaclme. Spikelets solitary, rarely binate, sessile or pedicelled on the slender branches of a decompound usually open panicle. 5. Effusce. II. Branchlets of panicle produced beyond the terminal spikelet into a rigid awn-like bristle. Spikelets solitary, sessile or pedicelled on the slender branches of a decompound open panicle. Leaves plicate 6. Ptycliophyllum. B. Spikelets strongly laterally compressed. Spikelets very minute, panicled ; gl. IV. semilunar, perennial very slender grasses 7. Gibbosce. Sect. I. Paspaloidece. Panicmn punctatum BUEM. (Fig. 31) ; HOOK. f. Fl. Brit. Ind. VII. p. 29. " Spikes longer than the internodes, tip usually excurrent setiform, 60 GRAMINE^E. spikelets -33— %$ in. plano-convex erecto-patent glabrous, gl. I. very short truncate, II. = about half IV. suborbicular 3-nerved, tip rounded or truncate, Fig. 31, Panicum punctatum BCRM:.;~a, b, c, spikelets, seen from different sides; d, gl. I.; e, gl. II.; f, gl. III.; g, gl. IV.; h, i, j, palea, seen from different sides; k, a caryopsis. III. ovate acute 3-5-nerved neuter, IV. ovate cuspiclately acuminate granu- late." HAB. Anpin, Sept. 1913, leg. T. SOMA. Sect. II. Echinochloa. Panicum Crus-Galli LINN.; MATSUM. et HAYATA Eniira. PL Formos. p. 501. Sect. III. Brachiaria. 1. Spikelets 3mm. long, stem much taller 2 Spikelets less than 2mm. long, smaller grasses 3 2. Spikes 4cm. long, leaves much longer, stem taller .<, 1. P. pseudodistacliyum. Spikes usually shorter, leaves smaller, stem lower than the preceding species 2. P. distachyum. 3. Spikelets villose 3. P. villosum. Spikelets glabrous 4. P. prostratum. 1. Panicum pseudodistachyum HAYATA n. n. Panicum paspaloides HAYATA (non PERS.) Mater. Fl. Formos. p. 401. 2. Panicum distachyum LINN.; MATSUM. et HAYATA Enum. PI. Formos. p. 502. 3. Panicum villosum LAM.; MATSUM. et HAYATA Enum. PI. Formos. p. 506. 4. Panicum prostratum LAM.; MATSUM. et HAYATA Enum. PI. Formos. p. 505. GRAMINE.E. 61 Sect. IV. HymenacJine. Much taller plant with longer leaves and spikes ; glume IV. membrana- ceous 1 . P. amplexicaule. Much smaller grass, with smaller leaves and spikes ; glume IV. white crustaceous 2. P. indicum. 1. Panicum amplexicaule RUDGE; MATSUM. et HAY ATA Enum. PI. Formos. p. 500. = P. myunis H. B. et K. 2. Panicum indicum LINN.; MATSUM. et HAY ATA Enum. PL Formos. p. 503. Sect. V. Effusae. 1. Pedicels long barbate Glume IV. coriaceous manifestly granulate... 1. P. barbipedum. Gl. IV. coriaceous smooth shining P. suishaense. Pedicels not barbate, at most thinly hirsute, glume IV. coriaceous or membranaccous usually smooth 2. 2. Glume I. very thin, membranaceous nearly enerved very short less than ^ gl. III. in length, truncate or very obtuse 3. Glume I. not very thin distinctly nerved more than ^ gl. II. in length acute or obtuse « 5. 3. Panicle very much spreading with numerous capillary branches, nearly 30cm. long 3. P. decompositum. Panicle-branches less spreading 4. 4. Spikelets acute, leaves larger, stern taller 4. P. proliferum. Spikelets obtuse, leaves smaller, stem shorter 5. P. repens. 5. Spikelets less than 2mm. in length 6. Spikelets nearly 4mm. long 6. P. miiiaceum. 6. Leaves cordate at the base 7. Leaves rounded at the base 8. 7. Leaves linear-lanceolate 7. P. montanum. Leaves ovate-lanceolate 8. P. brevifolium. 8. Pedicels of spikelets spreading nearly right angle — 9. P. sarmentosum. Spikelets adpressed to the branches of panicles 9. 9. Panicles contracted... . 10. P. submontan^m. 62 GRAMINE.E. Panicles very spreading ..................................... 11. P. acroanthum. 1. Panicum barbipedum HAYATA sp. nov. (Fig. 32). Perenuis, Rhizoma repens. Caulis basi procumbens ad nodos radicans, internodiis in- ferioribus 1-| cm. longis, sursum erectus, partibus erectis 15-20 cm. longis, toto slaber sed ad nodos sericeo-liirsutus toto longitudine foliatus. Folia tota O O caulina, vaginis 2icm. longis glabris complanatis latere uno fissis margine uno ciliatis, ligulis e pilis rectis fasciculatis constitutis 1 mm. longis ; laminis lanceolatis 4 ^ cm. longis 7 mm. latis apice acurninatis basi cordatis ad 3 mm. contractis margine scaberulis prope basin patento- ciliatis utraque pagine glabris. Panicula termi- nalis, ram is et ramulis scabris minute hirsutis. Spiculre pedicellataa secus rhachin geminatim insi- ta>, altra longe altra breve pedicellata, pedicellis ^-1 mm. longis apice barbis 1-2 instructis scabris, barbis 1-2 mm. longis ascendentibus ; spiculae cum pedicellis articulate oblongae plus minus corn- Planato3 H™™- longro 1mm. late apice acutas ; Fig. 32, Panicum bar- Upedum HAYATA; a, a spike- gluma) 4, extima minima hyalina oblique let; b, gl. I.; c, gl. IV.; d, section of the same ; e, a palea; CUpullformiS | mm. longa, gl. II. oblonga If mm. f, the same, seen from within. i • , -i • •> ionga apice acuta basi plus minus contracta apice apiculata 7-nervia glabra, gl. III. subasqualis apice apiculata 3-nervia paleam hyalinam oblongam obtusam fovens, gl. IV. ovata limm. longa f mm. lata apice apiculata dorso minute elevato-tessellata margine interiore incurva indurata paleam fertilem fovens, palea oblonga 1 ^ mm. longa | mm. lata apice obtusa margine carinata nitida dorso plana minute tessellata margine tenuior hyalina basi leviter auricula ta. Stamina 3. HAB. Taito. Near P. repens, but differs from it in having long barbate pedicels and much smaller leaves and panicles. Remarkable for the very small enerved first glume. 2. Panicum suishaense HAYATA sp. nov. (Fig. 33). Perennis. Rhizoma suberectum breve ; caules ceespitosi cum paniculis 80 cm. alti laxe hirsuti vel subglabri gracilliini teretes rnedio § in diametro. Folia plerumque radicalia GRAMINE.E. 63 cum vaginis 40 cm. longa erecta, vaginis 8-9 cm. longis dense hirsuto-barbatis pilis patentibus latere uno fissis, ligulis e pilis fasciculatis constitatis 1 mm. longis, laminis linearibus 30 cm. longis 4-5 mm. latis apice acuminatis basi gradatim ad 2 mm. attenuates hand contractis utraque pagine villoso-barbatis demum subglabratis margine scaberu- lis ciliatis. Panicula laxissime spiculifera 20 cm. longa 10 cm. lata remotissime ram'osa, ramis a se 8 cm. remotis rectis ascendentibus, ramulis sursum plus minus crispatis rectis ascendentibus remotissime spiculi- feris. Spiculte cum pedicellis 2-3 mm. longis louge hirsutis articulate ; gl. I. brevior oblonga 2mm. longa apice acuta vel obtusa sub-trinervia basi spiculam amplectans glabra ; gl. II. ovata lona lonior labra Fig. 33, Panicum suishaense HAYATA; a, a spikelet ; b, gl. I.; c, gl. IF.; d, gl. III.; e, palea of the gl. III.; f, g, gl. IV. seen from different sides ; h, palea ; i, j, caryopsis, seen from different sides. 7-nervia apice acuta, gl. III. 9- nervia 3| mm. longa glabra paleam sterilem fovens ; gl. IV. Crustacea nitida oblonga 1\ mm. longa apice obtusa pallido-flava margine interiore plicata ; palea Crustacea nitida cum gl. IV. conformis. Caryopsis ellipsoidea 2 mm. longa \\ mm. lata apice obtusa complanata. HAB. Suisha, leg. B. HAYATA, Aug. 1912. 3. Panicum decomposition R. BK.; MATSUM. et HAYATA Enum. PI. Formos. p. 504. HAB. Takaw. The specimen before us is very probably the same plant re- corded from Formosa under P. decomposition by RENDLE. This is perhaps a mere form of P. proliferum. So far, we have never seen P. decompositum in the island. 4. Panicum proliferum LAM.; MATSUM. et HAYATA Enum. PI. Formos. p. 504. P. paludosum ROXB. 5. Panicum repens LINN.; MATSUM. et HAYATA Enum. PL Formos. p. 505. 64 GUAM1NE.E. hi Ik | Fig. 34, Panicum sarmentosum EOXB.; a, b, c, spikelets, seen from different sides; d, gl. I.; e, gl. II.; f, gl. Ill, with a sterile palea; g, gl. IV., h, the same, seen from face; i, a fertile palea; j, a pistil with lodicels; k, 1, a curyopsLs, seen from different sides. G. Panicum miliaceum LINN.; MATSUM. et HAYATAEnura. PL Formos. p. 503. 7. Panicum montanum ROXB.; HAYATA Fl. Mont. Formos. p. 234. 8. Panicum brevifolium LINN.; MATSUM. et HAYATA Enum. PI. Formos. p. 501. 9. Panicum sarmentosum ROXB. (Fig. 34); HAYATA Mater. Fl. Formos. p. 402. 10. Panicum submontanum HAYATA Mater. Fl. Formos. p. 402. P. Nakaharai HAYATA Tokyo Bot. Mag. p. 11. Panicum acroanthum STEUD.; MATSUM. et HAYATA Enurn. PI. Formos. p. 500. Sect. VI. Ptychophyllum. Panicum excurrens THIN.; MATSUM. et HAYATA Enum. PI. Formos. p. 502. P. plicatum LAM. P. neurodes SCHULT. Sect. VII. Gtbbosce. Panicum patens LINN.; MATSUM. et HAYATA Enum. PI. Formos. p. 504. GRAMINEJS. 65 VI. Digitaria RICH. Key to the species. 1. Spikes in terminal pairs more than 10 cm. long 1. D. barbata. Spikes digitate '. 2 2. First glume very minute or sometimes reduced, second glume nearly equalling the third 3 4. D. Henryi. First glume very minute or entirely reduced, second 5. D. formosana. glume shorter than the third 6. D. sanguinale. 3. Spikes 9-10 cm. long 2. violascens. Spikes nearly 5cm. long 3. longiflora. D. Henryi, D. formosana, D. sanguinalis, and several varieties of the latter are very difficult to be distinguished one from another, and differences between them are in nearly all cases very slight and of accessory characters. 1. Digitaria barbata WILLD.; MATSUM. et HAYATA Enum PI. Formos. p. 507. Panicum lieterantlmm NEES. 2. Digitaria violascens LINK.; HAYATA Gen. Ind. Fl. Formos. p. 95. Panicum violascens KUNTH.; MATSUM. et HAYATA Enum. PI. Formos. p. 506. 3. Digitaria longiflora PERS.; RENDLE, in HEMSL. Ind. Fl. Sin. III. p. 324. Panicum parvulum TRIN.; MATSUM. et HAYATA Enum. PI. Formos. p. 504. 4. Digitaria Henryi RENDLE ; MATSUM. et HAYATA Enum. PI. Formos. p. 507. 5. Digitaria formosana RENDLE ; MATSUM. et HAYATA Enum. PL Formos. p. 507. 6. Digitaria sanguinalis SCOP.; MATSUM. et HAYATA Enum. PL Formos. p. 507. VII. Ichnanthus BEAUV. Ichnanthus pallens MUNRO ; MATSUM. et HAYATA Enum. PL Formos. p. 506. 66 GRAMINE^E. VIII. TJiysaiwilcena NEES. Thysanolsena Agrostis NEES ; MATSUM. et HAYATA Enum. PI. Formos. p. 516. IX. Chamceraphis E. BR. Chamaeraphis depauperata NEES ; MATSUM. et HAYATA Enum. PI. Formos. p. 512. X. Spinifex LINN. Spinifex squarrosus LINN.; MATSUM. et HAYATA Enum. PI. Formos. p. 513. XI. Oplismenus BEAUV. 1. Spikelets solitary or clustered in a simple terminal spike. 1. 0. undulatifolius. Spikelets in racemose spikes 2 2. Stem usually tall with decumbent base, leaves 5-18 cm. long lanceolate, spikes 4-10, 3-10 cm. long, spikelets usually loosely imbricate, awns rather stout 2. 0. compositus. Decumbent, flaccid, leaves 1-3 cm. long, spikes 3-5 short, spikelets secund closely imbricate 3. 0. Burmanni. (The occurrence of the last species in Formosa is doubtful.) 1. Oplismenus undulatifolius BEAUV.; MATSUM. et HAYATA Enum. PI. Formos. p. 509. 2. Oplismenus compositus ROEM. et Sen., MATSUM. et HAYATA Enum. PI. Formos. p. 509. 3. Oplismenus Burmanni BEAUV.; MATSUM. efc HAYATA Enum. PI. Formos. p. 508. XII. Axonopus BEAUV. HOOK f. Fl. Brit. Ind. VII. p. 64; TRIM. Fl. Ceyl. V. p. 166. The present genus is not adopted by BENTHAM who regards it to be referable to Paspalum (Gen. PL III. p. 1098). HACKEL too does not recognize Axonopus. As far as I can judge from the study of Axonopus semialatus, the structure of the spikelets resembles in some measure that of Panicum Crus- Galli. The difference between them exists only in palea?. They are in Axonopus 2-fid, but in Panicum entire. GRAMINE^J. 67 Axonopus semialatus HOOK. f. Fl. Brit. Ind. VII. p. 64 ; TRIM. Fl. Ceyl. V. p. 166 ; FORBES et HEMSL. Ind. Fl. Sin. III. p. 334. Panicum ? semi-alatum KTH.; HAYA- TA Mater. Fl. Formos. p. 402. HAB. Anpinchin, leg. T. YUBASHI. XIII. Arundinella KADDI. Arundinella setosa TRIN.; (Fig. 35) MATSUM. et HAYATA Enum. PI. For- mos. p. 515. XIV. Setaria BEAUV. Key to Species. 1. Panicle lobed, drooping 1 . S. italica. Panicle cylindric 2 2. Glume rugose 2. S. glauca. Glume smooth 3 3. Panicle shorter ovate-cylindric, setse Fig. 35; Arundinella setosa TRIN. T o cr 7 7 a» a spikelet; b. gl. T.; c, gl. II.; d, longer 6. /S. pac/iystachiJS. a . fl ? , •" * flowenng gl.; e, a flower; f, a palea Panicle longer long-cylindric, setas with the Pistil ? s, a pistil and stamens, shorter 4. S. viridis. 1. Setaria italica KUNTH; MATSUM. et HAYATA Enum. PI. Formos. p. 510. 2. Setaria glauca BEAUV.; MATSUM. et HAYATA Enum. PI. Formos. p. 510. 3. Setaria pachystachys FRANCH. et SAV.; MATSUM. et HAYATA Enum. PI. Formos. p. 511 4. Setaria viridis BEAUV.; MATSUM. et HAYATA Enum. PI. Formos. p. 511. XV. Pennisetum PERS. Pennisetum. japonicum TRIN.; MATSUM. et HAYATA Enum. PI. Formos. p. 511. Pennisetum japonicum TRIN. var. viridescens MIQ.; I.e. XVI. Thuarea PERS. 68 GRAMINE.E. Fig. 36 ; Leersia hexandra Sw. a, a spikelet ; b, gl. I.; c, gl. II ; d, stamens ; e, pistil. Thuarea sarmentosa PERS.; HAYATA in Bot. Mag. XXI. p. 50. XVII. Oryza LINN. Oryza sativa LINN.; MATSUM. et HAYATA Enum. PI. Formos. p. 514. XVIII. Leersia SWARTZ. Leersia hexandra SWARTZ. (Fig. 36) MATSUM. et HAYATA Enum. PI. Formos. p. 515. Zisania LINN. Zizania aquatica LINN.; MATSUM. et HAYATA Enum. PI. Formos. p. 514. XX. JPerotis AIT. Perotis latifolia AIT. MATSUM. et HAYATA Enum. PI. Formos. p. 516. XXI. Zoysia WILL. Zoysia pungens WILLD.; MATSUM. et HAYATA I.e. p. 515. XXII. Coix LINN. Coix Lachryma-Jobi LINN.; MATSUM. et HAYATA I.e. p. 513. XXIII. Zea LINN. Zea Mays LINN.; MATSUM. et HAYATA I.e. p. 514. XXIV. EucTilcena SCHRADER. Euchlaena luxurians DURIEU (Fig. 37) ; Bot. Mag. t. 6414. HAB. Taihoku : Taikanaisho, leg. Y. SHIM AD A, 1909. XXV. Dimeria R. BR. Dimeria ornithopoda TRIN. var. tenera HACK.; MATSUM. et HAYATA I.e. p. 508. XXVI. Itnperata CYR. Lnperata arundinacea CYR. var. Kcenigii HACK.; MATSUM. et HAYATA, I.e. p. 517. a Fig. 37 ; Euchlcena luxurians DURIEU ; a, b, male spikes, seen from different sides ; c, a spikelet ; d, sta- mens ; e, f, g, lodicels, seen from different sides. GRAMINE.E. 69 XXVIT. Miscanthus ANDERS. 1. Leaves broader usually 2cm. wide 1. M. japonicus. Leaves narrower usually less than 1cm. wide 2 2. Branches of panicles few 2. M. transmorrisonensis. Branches of panicles many 3 3. Leaves broader 3. M. sinensis. Leaves narrower 4. M. sinensis var. formosanus. 1. Miscanthus japonicus HACK.; MATSUM. et HAYATA, I.e. p. 517. 2. Miscanthus transmorrisonensis HAYATA Mater. Fl. Formos. p. 404. 3. Miscanthus sinensis ADDERS.; MATSUM. et HAYATA I.e. p. 518. 4. Miscanthus sinensis ANDERS, var. formosana HACK.; MATSUM. et HAYATA I.e. p. 518. XXVIII. Spodiopogon TRIN. Key to species. 1. Spikelets nearly glabrous 2 Spikelets conspicuously barbate 3 2. Shortly awned 1. S. tohcensis. Awnless < 2. S. formosanus. 3. Leaves ]^-2cm. broad, panicles 20-25cm. long 3. S. Kaivakamii. Leaves less than 1cm. broad, panicles less than 10cm. long 4 4. Leaves smaller nearly 5cm. long — 4. S. hogoensis. Leaves more than 10cm. long 5 5. Spikelets larger, panicles more spreading 5. S. tainanensis. Spikelets smaller, panicles contracted 6. S. TaJceoi. 1. Spodiopogon tohcensis HAYATA sp. nov. (Fig. 38). Caul is 60-90 cm. altus. Folia radicalia ignota? caulina minora, vaginis 25 cm. longis glabris latere uno fissis, ligulis brevibus ciliolatis truncatis, laminis lanceo- latis 10cm. longis 10mm. latis apice acuminatis basi plus minus contractis utraque glabris supra scabris subtus laavibus margine scaberrimis. Culmus 50-80 cm. longus glaber teres. Panicula terrninalis pyramidalis 15 cm. longa 7-8 cm. lata apice acuminata, rarnis primariis vel spicis ad nodos rhachis panicularurn subverticillatim 5-10 dispositis a medio sursum spiculiferis 70 GRAMINE.E. 5-6 cm. longis glabris gracillimis complanatis liaud scabris, pauce ramosis vel simplicibus. Spicula3 secus rhachin spicarum geminatim dispositse, altra breve pedicellata altra longe pedicellata, pedicellis 1-2 mm. longis apice obpyramidaliter incrassatis glabris cum spiculis articulatis ; spicula oblique lanceolata 4 mm. longa If mm. lata basi hirsuta ceeterum glabra flore uno fovens, glum is 4 ; gluma I. 9-nervia ovato-oblonga 3f mm. longa apice truncata mucronibus 3 instructa dorso glabra ; gluma II. 9-nervia late ob- longa valde concava quam gl. I. plus minus longior apice truncata plus minus mucronata basi dorso hirsuta ; gluma III. hyalina gluma I. II. III. eequilonga 3 mm. longa apice truncata apice ciliolata ; gluma IV. hyalina 2 mm. longa oblonga apice alte 2- lobata, lobis acutissimis inter lobos arista instructa, arista 3 mm. longa basi torta. Caryopsis obovoideo-ellip- soidea 2£ mm. longa 1 mm. lata apice rotundata basi plus minus angustior. HAB. Mt. Tohozan, 6500 ped. alt., leg. S. SASAKI, Oct. 1909. Near S. formosanus RENDLE, but differs from it in the awned glumes. 2. Spodiopogon formosanus RENDLE ; MATSUM. et HAYATA I.e. p. 250. 3. Spodiopogon Kawakamii HAYATA in Bot. Mag. (Tokyo) XXI. p. 54. 4. Spodiopogon hogcensis HAYATA sp. nov. Khizoma ignotum. Caulis erectus 60-90 cm. longus teres, internodiis 7-10 cm. longis If mm. latis purpurascentibus ramosus, ramis foliatis. Folia approximatim sita, vaginis Fig. 38; Spodiopogon tohcensis HAYA- TA ; a and b, a spikelet, seen from different sides; c, gl. I.; d, gl. II.; e, gl. III.; f, glume IV.; g, a palea ; h, caryopsis with the gl. IV. and the palea ; i, and j, caryopsis, seen from different sides. GKAMINE2E. 71 2-2Jcm. longis latere uno fissis glabris, ligulis hyalinis membra naceis erosis brevibus, set is auricularibus 2 mm. longis paucis ; laminis lanceolato- linearibus 6-7 cm. longis 4-5 mm. latis apice acuminatis basi ad 1 mm. contractis utraque glabris margine scaberulis. Panicula terminalis cylindrica 9cm. longa 2cm. lata, ramis et ramulis tenuiter pubescentibus vel glabris toto erectis rectis vel plus minus crispis. Spicula3 secus rbachin ramulorum geminatim sita3, aitra sessili altra pedicellata, omnibus basi cum rhachibus vel cum pedicellis articulatis ; spicula basi dense hirsuta supra basin longe barbata, barbis 3mm. longis, lanceolata 5mm. longa; gl. I. 9-nervia 4mm. longa apice rnucronata dorso dense barbata margine hirsuta vel glabra, gl. II. cum. gl. I. conformis sed apice obtusa baud mucronata ; gl. III. cum gl. I. conformis sed 5-nervia minus barbata baud mucronata paleam sterilem gerens, gl. IY. florens lanceolata hyalina 3-nervia 3 mm. longa apice alte 2-lobata inter lobos arista 7 mm. longa basi torta instructa. HAB. Musha : Hogo, ad 4000 ped. alt., leg. B. HAYATA, Aprili. 1916. Remarkable for the much smaller leaves than those of other species, and much contracted panicles. Spodiopogon Sibiricus THIN.; MATSUM. et HAYATA I.e. p. 521. The occurrence of this species in the island is very doubtful. 5. Spodiopogon tainanensis HAYATA in Bot. Mag. (Tokyo) XXI. p. 53. 6. Spodiopogon Takeoi HAYATA sp. nov. (Fig. 39). Perennis. Ehizoma repens teres 2 mm. in diametro nodosum ad nodos radicans. Caulis distans basi ascendrns sursum erectus 80 cm. longus glaber teres, internodiis 8 cm. longis 1^ mm. in diametro. Folia radicalia (plerumque caduca), caulina distantia, vaginis glabris 7-10 cm. longis latere uno fissis, ligulis 1^ mm. longis 3 mm. latis margine minute ciliolatis truncatis setis auricularibus patentibus crispatis 2-3 mm. longis ; laminis linearibus 10-13 cm. longis 1 cm. latis apice acuminatis basi ad 2 mm. contractis utraque pagine glabris. Panicula terminalis in ambitu pyramidalis, ramis primariis ad nodos rachis secunde fasciculatis rectis plus minus crispatis patentibus glabris sursum ramulosis, ramulis gracillimis crispatis glabris apice plus minus incrassatis cum spicula articulatis ; spiculas ad apicem ramulorum ternatim dispositee, una sessili, duobus pedicellatis. Spicula sessilis dense longe hirsuta 1 -flora ta, 72 GRAMINE.E. flore hermaphrodite, glurais 4; gl. I. oblonga 3 mm. longa 1mm. lata apice obtiisa basi plus minus contracta concava dorso longe hirsute, pilis circ. 2 mm. longis dorso prominente 7-nervia apice obtusa ; gl. II. oblonga 3 mm. longa apice obtusa dorso longe hirsuta versus marginem glabra membranacea 5-nervia, nervis prominentibus ; gl. III. hyalina teuuis- sima 3 mm. louga apice obtusa margine apiceque hirsuta cseterum glabra paleam linearem amplectans ; gl. IV. linearis 3 mm. longa apice alte 2-lobata, lobis 1^ mm. longis acuminatis ad centrum arista 7 mm. longa basi torta instructa hyalina ; palea oblonga 2 mm. longa 1 mm. lata hyalina apice hirsuta. Stamina 3. Styli 2, a medio sursum plumosi ; spiculse pedicellate, pedicellis longe hirsutis 2 mm. longis, pilis 2mm. longis; gimme 4 uteas floris Bpiculae sessilis. HAB. Nanto : Shijo, leg. T.Iro, Oct. 1916. Near S. tainanensis HAYATA, but differs from it in the smaller spikelets and in the less patent panicles. Fig. 39, Spodiopogon Takevi HAYATA. a, a pedicellate spikelet ; b, a gl. I.; c, gl. II.; d, gl. III.; e, gl. IV.; f. stamens; g, a pistil. XXIX. Pollinia. Key to the species. 1. Spikelets with geniculate stalks above the articulation of pedicels. 2 Spikelets without stalks above the articulation of pedicels 3 2. Spikes 8-10-fasciculate, spikelets densely arranged... 1 P. geniculata. Spikes 3-4-fasciculate, spikelets loosely arranged.... 2. P. Fauriei. 3. Spikelets awnless 3. P. tmberbis var. Wildenowiana. Spikelets awned 4 4. Glume II. and IV. awned. 4. P.formosana=P. monantha vdr.formosana. Glume II. awnless. gl. IV. uwned. . 5 GRAMINE.&. 73 6. 5. Internodes of rhachis 2 or 3 times longer than sessile spikelets. 5. P. arlsanensis. Internodes of rhachis nearly equal to or shorter than spikelets 6. Spikelets larger 6. P. ciliata. Spikelets smaller 7. P. monantJia. 1. Pollinia geniculata HAYATA sp. nov. (Fig. 40). 80-90 cm. alta toto longitudine usque ad basin spicae foliata. Folia distantia alterna lanceolata 10-20 cm. longa 8-10 mm. lata apice acuminata basi attenu- ata margine scabra utraque pagine tenuiter hirsuta, ligula 2 mm. longa totiusque lata truncata ciliata, vagina versus apicem marginemque hirsuta extus in- tusque glabra 11 cm. longa. Spicae 9-10 subdigitatim ad apicem caulis dispositae ; rhachis panicularum 3 cm. longa plus minus flexuosa. Spica singula 5-13 cm. longa plus minus recurvata multi-nodosa, internodiis 4 mm. longis complanatis subglabris, ad nodos hirsuta. Spiculae geminatim ad nodos dispositae, altra sessili Fig. 4O, Follinia altra pedicellata, pedicellis 3 mm. longis apice hir- gemcidata HAYATA; a, gu^s ^asi cum partibus product is spiculas sessilis conn- a spikelet ; b, gl. I.; c, gl. II.; d, flowering atis ; spiculoa sessiles fusiformes 6 mm. longae 1 mm. glume; e, a palea; f, . . i_ • vx J _x- -x stamens and a pistil; g, latse aPlce acummatas basi obtusae ad stipitem 1 mm. longum hirsutum cum rhachi plus minus connatum geniculato-recurvum attenuate ; gl. I. lanceolata 4 mm. longa 1 mm. lata apice acuminata plus minus bidentata dorso 2-carinata ad carinas aristato- ciliata caeterum glabra ; gl. II. lanceolata 4 mm. longa apice acuminata dorso 1-carinata ad carinas aristato-ciliata ; gl. florens minuta hyalina 1 mm. longa ^ mm. lata apice acuminata ad aristam 1| cm. longam abeuns ; palea hyalina minuta. HAB. Arisan, leg. B. HAYATA, Jan. 1912. Differs from all other species, in the spikelets having geniculate stalks above the articulation of pedicels. 2. Pollinia Fauriei HAYATA sp. nov. (Fig. 41). Culmus basi prostratus, 74 GKAMINE^K. internodiis inferioribus 4cm. longis, ad nodos radicans usque supra medium foliatus superne ascendens erectus. Folia distantia media linearia 7 cm. longa 4 mm. lata apice acuminata basi attenuata utraque glabra hand hirsuta, ligula membranacea 2 mm. longa totiusque lata apice truncala glabra, vagina 5 cm. longa. Spica 3-4-subdigitatim ad apicem culmi disposita 4-6 cm. longa, internodiis complanatis 5 mm. longis, ad nodos hirsuta. Spicula ad nodos geminatim disposita, altra sessili altra pedicellata ; gl. I. lanceolata 4 mm. longa 1 mm. lata apice acuminata 2-dentata 2-carinata ad carinas valde aristato-ciliata caeterum glabra ; gl. II. lanceolata 4mm. longa apice acuminatissima dorso 1-cari- nata ad carinam aristato-ciliata ; gl. florens minuta hyalina 1^ mm. longa -| mm. lata apice arista 2 cm. longa e; /yj || geniculata instructa ; palea minuta hyalina 1^ mm. longa lanceolata apice obtusa. HAB. Arisan, ad 2500 m. alt., leg. IT. FAURIE, Dec. 1914. Near Pollinia geniculata HA- YATA, but distinguishable from it in the broader lanceolate glumes, and not stalked spikelets. 3. Pollinia imberbis NEES. var. Willdenowiana HACK. (Fig. 42) MATSUM. et HAYATA, 1. c. p. 521. 4. Pollinia arisanensis HA- YATA sp. nov. (Fig. 43). Caulis 30-40 cm. longus basi repens ad Fig. 41, Pollinia ., , . Fauriei HAYATA. a nodos radicans a basi usque medium spikelet; b, gl. I.; c, remotissime foliatus. Folia media gl. II.; d, flowering glume ; e, a palea ; f, a lodicel ; g, a cary- opsis. Fig ; 42, Pollinia im- berbis ISEES. var. Willdeno- wiana HACK, a, h, a por- tion of a spike, seen from 4-5 mm. lata apice acuminata basi different sides. ovato-lanctolata circ. 4 cm. longa GRAMINE.E. 75 f / obtusa margine laevis sed sursuin scaberrima supra parcissime hirsuta vel glabra subtus glabra, ligula minuta ^ mm. longa totiusque lata truncata ciliata membranacca, vagina 8 cm. longa apice truncata longe barbata, barbis 2-3 mm. longis. Spica3 solitarige vel geminatim disposita? terminates simplices vel pauce ramosas 4-5 cm. longas, internodiis 1 cm. longis semiteretibus laBvibus, ad nodos barbatas cseteruin glabra3 ; spiculse geminatim ad nodos rhachilla3 dispositse, altra sessili altra pedicellata, pedicellis 3-4 mm. longis glabris ; spicula sessilis: gl. I. lanceolata 4J mm. longa 1 mm. lata apice acuminata apice 2-dentata margine hirsuta basi extus hirsuta dorso 2-carinata ; gl. II. conformis dorso 1-carinata ; gl. florens hya- lina 1-nervia 1^ longa ^ mm. lata apice 2- dentata vel acuminata inter dentes arista scabra 13 mm. longa instructa. Caryopsis cylindrica 2 mm. longa -| mm. lata. HAB. Arisan, ad 2500m. alt., leg. U. FAURIE, Dec. 1914. Near Pollinia nuda TRIX., but differs from it in the pedicelled spikelets which are in this new species much longer stalked than those of P. nuda. 5. Pollinia formosana (HACK.) HAYA- TA sp. nov. (Fig. 44). Caulis 50-60 cm. longus repens ad nodos radicans, internodiis ,1 i Fig. 43," Pol- linia arisanensis HAYATA ; a, a spikelet ; b, gl. I.; c, gl. II.; d, a flowering glume ; e, a palea; f, a inferioribus 2-3 cm. longis 1mm. in diametro, Fig. 44, Pol- oarvomis • •-, linia formosana superiore ascendens, internodiis supenoribus HAYATA; a, a 7-8 cm. longis, sursuni erectus toto longitudine foliatus. Folia ^ s j6.8^1 V3 jjj alterna distantia lanceolata 7-8 cm. longa 7 mm. lata apice d> a Palea' e> a stamen ; f, a cary- acuminata basi attenuata margine scabra supra minus opsLs; the longer awn in fig. a is subtus plus hirsuta, vagina 4 cm. longa apice dorso hirsuta, the gl. III. ligula membranacea 1 mm. longa apice truncata hirsuta hyalina. Spica3 76 GRAMINE.E. versus apicem caulis subdigitatim vel oppositim 5-7 dispoditse, rhachibus 1-2 cm. longis ; spicis 4cm. longis gracilibus, rhaclieola hirsuta, internodiis 2J mm. longis cyliiidrico-clavatis semiteretibus ; spiculse geminatim ad nodos rhachillas clisposita3, altra sessili altra pedicellata ; spicula sessilis : gl. I. lanceolata 3 mm. longa apice acuminata props marginem 2-costata, ad costas arista to-ciliolata ; gl. II. ovato-oblonga 2J mm. longa apice acuminata ad aristam 3 mm. longam abeuns dorso sursum costata ad costam scabrida ; gl. florens aristteformis filiformis 13 mm. longa plus minus crispata tortuosa basi plus minus dilatata membranacea hyalina, palea rninuta oblonga -| mm. longa. Stamina 3. Spicula pedicellata, pedicellis quaiu internodiis rhichillje pauro brevioribus hirsutis semi-teretibus. Pollinia monantha HAYATA in MATSUM. et HAYATA (non NEES) I.e. p. 522. , awns partly uken g Pollinia monantha NEES. var formosana HACK. HAB. Kotosho leg. K. MIYAKE, Nov. 1899. Near Pollinia monantha NEES., but distinguishable from it specificially in the spikelets which are awned in both gl. II. and III. 6. Pollinia ciliata TRIN.; MATSUM. et HAYATA I.e. p. 521. 7. Pollinia monantha NEES.; HAYATA in General Index to the Flora of Formosa p. 99. XXX. JPolliniapsis HAYATA n. g. Polliniopsis Somai HAYATA sp. nov. (Fig. 45). Calmus basi repens ad nodos radicans, internodiis 2-3 cm. longis, sursum ascendens 30-40 cm. longus glaber a basi usque ad medium foliatus. Folia lanceolata 4cm. longa 5 mm. lata apice acuminata basi obtusa membranacea utraque glabra haud scabra sed lasvia basi margine barbis 2 mm. longis 3-5 instructa, ligula 1 mm. lata lmm- lonSa ciliolata, vagina 2-3 cm. longa margine hirsuta. Spica? geminae ad apicem culmi terminales circ. }on^ graciles recurva3> rhachibus rectis haud iv'.;egga lodicel'- h ren glume IV., seen from different sides ; h. i, a stamen, seen from different sides ; j, a caryopsis. Caryopsis ellipsoidea '. 88 GR AMINES. L1I. Calamagrosiis ADANS. 1. Branches of panicles much contracted, spikelets much narrower, densely clustered 1. O. Epigejos var. densiftora. Branches of panicles not contracted, spikelets not clustered, densely or very laxely arranged 2 2. Branches or branchlets of panicles straight, spikelets densely arranged. 2. C. formosana. Branches or branchlets of panicles flexuous, spikelets few, loosely arranged. 3. O. morrisonensis. 1. Calamagrostis Epigejos BOTH. var. densiflora LEDEB.; MATSUM. et HAYATA I.e. p. 536. 2. Calamagrostis formosana HAYATA sp. nov. (Fig. 55). Culmus 70-80 cm. altus glaber et lasvis erectus rectus teres. Folia radicaria non visa; caulina : lamina linearis 30-40 cm. longa 6-7 mm. lata apice acuminate basi vix attenuata plus minus scabra, vagina 14cm, longa caulem amplectanti, ligula magna 8 mm. longa 5 mm. lata membranacea. Pani- cula terminalis cylindrica 20 cm. louga 4 cm. lata ; rhachis teres recta, ramis rectis ascen- dentibus primariis 5-6 fasciculatis, fasciculis alternis circ. 5 cm. longis, inferioribus a se 1-3 cm. remotis rectis, ramulis secundariis 2-3 fasciculatis, fasciculis alternis plus minus scabris, pedicellis ultimis 1-2 mm. longis scabris. Spiculte pallido-violascentes vel non coloratae. Gl. I. lanceolata 4| mm. longa 1 mm. lata apice acumi- nata subglabra dorso versus apicem plus minus carinata scabra; gluma II. fere conformis ; gl. florens hyalina 5-nervosa 3 mm. longa oblonga 1 mm. lata apice truncata denticulata dorso prope basin arista una instructa, arista 4 mm. longa haud torta scabra, palea hyalina lanc'eolata 2J mm. longa baud carinata ; rhacheola supra glumas I. et II. brevissima longe pilosa, pilis 2^ mm. longis paten tibus. Stamina 3. Pig. 55, Calamagrostis formosana, HAYATA. a, a spikelet; b, gl. I.; c, gl. IT.; d, a flowering glume with its palea ; e, the same glume ; f, a palea ; g, stamens. GRAMINE.E. Calamagrostls arundinacea HAYATA Fl. Mont. Forraos. p. 237 (non KOTH.). HAB. Hakkutaisan, leg. U. MORI, Sept. 1910, (typus); Arisan, ad 2500 m. alt., leg. U. FAURIE; Mt. Morrison, leg. U. MORI. Near C. arundinacea, KOTH.; but differs from it in the hairs on the callus of the glume III. which hairs are in this new species longer than or equal to the glume itself; but in C. arundinacea they are much shorter than the gl. III. 3. Calamagrostis morrisonensis HAYATA sp. nov. (Fig. 56). Culmus 50-60 cm. altus glaber teres gracilis erectus. Folia ad partem inferiorem caulis disposita radicalia non visa ; caulina : lamina linearis 15-20 cm. longa 3-4 mm. lata acuminata basi auriculata subtus glabra supra minute hirsuta, ligula membranacea ^ mm. longa 2 mm. lata margine Integra, vagina 2-3 cm. longa. Panicula terminalis gracilis 8-10 cm. louga 3-4 cm. lata, ramis primariis 2-3-fusciculatis, fasciculis alternis a se 1-2 cm. remotis, ramis et ramulis crispatis plus minus scabris. Gluma I. lanceolata 4mm. longa 1 mm. lata apice acuminata dorso sursum 1-carinata ad carinas scabra. Gluma II. conformis 3-nervia subglabra. Khachilla supra glumas I. et II. longe hirsuta, pilis 2-3 mm. longis. Gluma florens oblongo-lanceolata apice truncata ad summum denticulata basi plus minus contracta subglabra prope basin arista 4mm. longa instructs, aristis scabris. Palea oblongolanceolata 2|mm. longa apice obtusa. C. arundinacea KOTH. var nipponica HAYATA (non HACK.) Fl. Mont. Formos. p. 237. C. formosana HAYATA var. pauciflora HAYATA Gen. Ind. Fl. Formos. p. 95. HAB. in monte Morrison, ad 13000 ped. alt., typus ! Near Calamagrostis formosana HAYATA, but differs from it in the much smaller form with much looser panicles and curled branches, and in the leaves with auricled base, much shorter ligules and the hairy upper surface. Fig. 56, Calamagrostis mor- risonensis HAYATA; a, a spikelet ; b, gl. I.; c, gl. II.; d, a flowering glume with its pa lea ; e, a palea ; f, a stamen. 90 GRAMINE^E. LIII. Aira LINN. Aira Kawakamii HAYATA in Bot. Mag. (Tokyo) XX. p. 47. LIV. Deschampsia BEAUV. Deschampsia caespitosa BEAUV.; HAYATA Fl. Mont. Formos. p. 238. Deschampsia flexuosa TRIN.; HAYATA FJ. Mont. Formos. p. 238. LV. Avena LINN. Avena fatua LINN.; FORBES et HEMSL. Ind. Fl. Sin. III. p. 401. HAB. Ako, leg. MATSUDA, Aprili. 1915. LVI. Trisetum PERS. Trisetum subspicatum BEAUV.; HAYATA Fl. Mont. Formos. p. 238. LVII. Enteropogon NEES. Enteropogon gracilior RENDLE in HEMSL. Irid. Fl. Sin. III. p. 403; MATSUM. et HAYATA Enum. PI. Formos. p. 537. HAB. Takao, leg. T. SOMA, Dec. 1911. LVIII. Tripogon ROTH. Tripogon chinensis HACK.; MATSUM. et HAYATA I.e. p. 540. LIX. Cynodon PERS. Cynodon Dactylon PERS.; MATSUM. et HAYATA I.e. p. 536. LX. Chloris SWARTZ. Key to species. 1. Spikes 5-6 cm. long 3mm. broad C. barbata. Spikes much slenderer, 10-J5cm. long, 2mm. broad C. incompleta. Chloris barbata SWARTZ.; MATSUM. et HAYATA I.e. p. 537. Chloris incompleta ROTH.; MATSUM. et HAYATA I.e. p. 538. LXI. Eleusine G^CRTN. Key to species. Leaves broad \. K coracana. Leaves narrow 2. K indica. 1. Eleusine coracana G.ERTN.; MATSUM. et HAYATA I.e. p. 538. 2. Eleusine indica G^ERTN.; MATSUM. et HAYATA I.e. p. 538. LXII. Dactyloctenium WILLD. Dactyloctenium aegyptiacum WILLD.; MATSUM. et HAYATA I.e. p. 537. GRAMINE.E. 91 LXIII. LeptocMoa BEAUV. Leptochloa chinensis NEES., MATSUM. et HAYATA. I.e. p. 539. LXIY. Arundo LINN. Key to species. Leaves broader, glumes I. and II. nearly 1 cm. long, tall grass. 1. A. Donax. var. coleotriclia. Leaves narrower, glumes I. and II. 3-4 mm. long ; smaller grass. 2. A. formosana. 1. Arundo Donax LINN. var. coleotricha HACK.; MATSUM. et HAYATA I.e. p. 540. 2. Arundo formosana HACK.; MATSUM. et HAYATA I.e. p. 540. A. formosana HACK. var. gracilis HACK. LXV. Phragmites TRIN. Key to species. Panicle and glumes not spreading much 1. P. communis. Panicle and glumes spreading much 2. P. Karka. 1. Phragmites communis TRIN.; MATSUM. et HAYATA I.e. p. 541. 2. Phragmites Karka TRIN. MATSUM. et' HAY ATA I.e. p. 541. LXVI. Eragrostis BEAUV. Key to species. 1. Spikelets not exceeding 2 mm. in length, axis of spikelets articulate. 2 Spikelets more than 2 mm. in length, axis of spikelets not articulate ... 3 2. Palea not ciliate at the margin I.E. interrupta var. tenuissima. Palea long ciliate at the margin 2. E.tenella. 3. Mature spikelets not exceeding l^mm. in "breadth 4 Mature spikelets more than 1| mm. in breadth 5 4. Glumes narrower and acute at the apex 3. E. pilosa. Glumes broader and obtuse or rounded at the apex 4. E. minor. 5. Panicles cylindrical 5. E. geniculata. Panicles more or less diffuse 6 6. Spikelets nearly 3mm. in breadth 7 Spikelets less than 3mm. broad 8 7. Spikelets usually purple toward the tip 6. E. elongata. 92 GRAMINE^E. Spikelets gray or dark-colored, palea shortly hairy at the margin, but not ciliate, glume I. quite obtuse but not apiculate at the apex, leaves quite or nearly glabrous 7. E. atrovirens.(=E. bulbillifera.) 8. Spikelets smaller very brown, glume I nearly rounded very obtuse 8. E. Makinoi. Spikelets larger, gray or slightly brown, glume I. oblong less obtuse... 9 9. Spikelets slightly brown, palea distinctly ciliate, caryopsis rounded. 9. E. major. Spikelets slightly purple, palea le^s ciliate, caryopsis elliptical 10. E. amabilis = E. unioloides=E. formosana. 1. Eragrostis interrupta BEAUV. var. tenuissima STAFF., MATSUM. et HAYATA I.e. p. 543. E. japonica THIN. 2. Eragrostis tenella ROEM.; HAYATA Gen. Ind. Fl. Formos. p. 96. E. plumosa LINK.; MATSUM. et HAYATA I.e. p. 545. 3. Eragrostis pilosa BEAUV.; I.e. p. 544. 4. Eragrostis minor HOST. I.e. p. 544. 5. Eragrostis geniculata NEES et MEY; I.e. p. 543. o*. Eragrostis elongata JACQ. I.e.. p. 542. 7. Eragrostis atrovirens TRIN.; HAYATA Gen. Ind. Fl. Formos. p. 96. E. bulbillifera STEUD.; MATSUM. et HAYATA I.e. p. 542. 8. Eragrostis Makinoi HACK.; MATSUM. et HAYATA I.e. p. 544. 9. Eragrostis major HOST.; MATSUM. et HAYATA I.e. p. 543. 10. Eragrostis amabilis WRIGHT et ARN.; HAYATA Gen. Ind. Fl. Formos. p. 96. E. formosana HAYATA Mater. Fl. Formos. p. 408. E. imioloides NEES.; MATSUM. et HAYATA I.e. p. 545. LXVII. Diplachne BEAUV. /. Diplachne fusca BEAUV.; MATSUM. et HAYATA I.e. p. 438. LXVIII. Lophatherum BRONGN. Lophatherum gracile BRONGN.; MATSUM. et HAYATA I.e. p. 546. GRAMINEA'. 93 LXIX. Centotheca DESV. Key to species. Flowering glumes with reflexed submarginal bristles ... 1. C. lappacea. Flowering glumes with no "bristle 2. C. lappacea var. inermis. 1. Centotheca lappacea DESV.; MATSUM. et HAYATA I.e. p. 546. 2. Centotheca lappacea DESV. var. inermis KENDL; MATSUM. et HAYATA I.e. p. 546. LXX. JPoa LINN. Poa annua LINN.; MATSUM. et HAYATA I.e. p. 547. Poa palustris LINN. I.e. p. 547. Poa spp. LXXI. Festuca LINN. Festuca ovina LINN. var. vulgaris KOCH.; HAYATA Fl. Mont. Formos. p. 240. LXXII. Brachypodiwin BEAUV. Key to species. Spikelets mostly quasitermirial solitary 1. B. Kaivakamii. Spikelets spicate 2. B. formosanum. 1. Brachypodium Kawakamii HAYATA Fl. Mont. Formos. p. 237, t. 40. 2. Brachypodium formosanum HAYATA sp. nov. (Fig. 57) Perennis. Culinus gracillimus 50-80 cm. altus erectus plus minus curvatus basi plus minus repens, internodiis 4cm. longis, glaber Isevis. Folia versus basin caulis disposita linearia 15 cm. longa 7 mm. lata apice acuminata utraque glabra leevia, nervis primariis utroque latere costaa 4, venulis secundariis inter nervos primarios 5, haud tessellata, vaginis 5-6 cm. longis culmum amplectantibus tubuliformibus, ligulis membranaceis hirsutis 2 mm. longis 3| mm. latis. Spiculaa versus apicem caulis spicatim alternatim remoteque dispositas sessiles, rhachis semi-teres ad nodos tenniter hirsuta; spicu^B lineari- lanceolataj 2-2^ cm. longfe 3-4 mm. latas 5-7-florata3 latere complanataa. Gl. I. minuta triangulari-lanceolata 2 mm. longa acuta vel obtusa 3-nervata, nervis dorsO elevatis, vacua ; gl. II. vacua triangulari-lanceolata 5 mm. longa apice acuminata 5-7-nervata glabra. Glumse florentes 5-7, inferior lanceolata 94 GRAMINE.E. 1 cm. longa 2^-3 mm. lata apice acuminata basi obtusa callo annular! in- structa 7-nervia extus rugosa intus laevis apice ad aristam 8 mm. longam scabram abeuns. Palea quam gluma florens pauce brevier 8 mm. longa, inter carinas l^mm. lata apice truncata basi obtusa 2-carinata ad carinas ciliata secus carinas interiore plicata. Caryopsis linearis 4-5 mm. longa 1 mm. lata apice villosa. Brachypodium sylvaticum HAYATA Fl. Morit. Formos. p. 240 (non ROEM. et SCHUTT.) HAB. in monte centrali, Hakkutai- san, typus ; Mt. Morrison, 12000 ped alt.; inter Ushoko et Arisan. Near B. sylvaticum ROEM. et SCHUTT., but distinguishable from it in having much narrower leaves and not ciliolate rhachilla of the spikelets. LXXIII. Lepturus R. BR. Lepturus repens R. BR.; MATSUM. et HAYATA I.e. p. 548. LXXIV. Triticum LINN. Triticum vulgare VILL.; MA- TSUM. et HAYATA, I.e. p. 548. LXXV. Aruiidinaria MICHX. Arundinaria Kunishii HAYATA Ic. PI. Forrnos. VI. p. 136. Arundinaria naibunensis HA- Fig. 57, Brachypodium formosanum HAYATA; a, a spikelet ; b, gl. I.; c, gl. II.; d, a flowering glume with its palea ; e, the same, seen from a different side ; f, the same glume; g, the same palea; h, the same palea with stamens ; i, ovary ; j, a young caryopsis. YATA Mater. Fl. Formos. p. 408. Arundinaria niitakayamensis HAYATA in Tokyo Bot. Mag. XXI. p. 49. Arundinaria oiwakensis HAYATA Ic. PL Forraos. VI. p. 137. Arundinaria Usawai HAYATA Ic. PI. Formos. VI. p. 138. POLYPODIACE^E. 95 LXXVL ^Phyllostachys SIEB. et Zucc. Phyllostachys formosana HAYATA Ic. PI. Formos. VI. p. 140. Phyllostachys lithophila HAYATA Ic. PI. Formos. VI. p. 141. Phyllostachys Makinoi HAYATA Ic. PL Formos. V. p. 250. Phyllostachys nigripes HAYATA Ic. PI. Formos. VI. p. 142. Phyllostachys pubescens H. LEH.; HAYATA Ic. PI. Formos. VI. p. 140. P. e dulls. LXXVII. JSambusa SCHREM. Bambusa breviflora MUNRO ; HAYATA Ic. PI. Formos. VI. p. 143. Eambusa dolichoclada HAYATA I.e. p. 144. Bambusa dolichomerithallina* HAYATA I.e. p. 146. Bambusa Fauriei HACK. HAYATA I.e. p. 148. Bambusa nana ROXB.; MATSUM. et HAYATA I.e. p. 549. Bambusa Oldhami MUNRO; HAYATA I.e. p. 150. Bambusa pachinensis' HAYATA I.e. p. 150. Bambusa Shimadai HAYATA I.e. p. 151. Bambusa stenostachya HACK.; HAYATA I.e. p. 152. Bambusa tuldoides MUNRO; HAYATA I.e. p. 153. The occurrence of B. angulata MUNRO and B. Ridleyi GAMBLE in the island is very doubtful. LXXVIII. Dendrocalatnus NEES. Dendrocalamus latiflorus MUNRO; MATSUM. et HAYATA I.e. p. 551. LXXIX. Schizostachyum NEES. Schizostachyum acutiflorum MOORE? HAYATA in Gen. Ind. Fl. Formos. p. 99. Polypodiaceae. JPolystichum ROTH. Polystichum Morii HAYATA sp. nov. (Fig. 58). Rhizoma ? Stipes 6 cm. longus gracillimus basi sursum parce squamatus, squamis lanceolatis 1 mm. longis acuminatis. Frons coriacea in ambitu linearis vel lineari- lanceolata 6 cm. longa 1 cm. lata apice acuminata basi truncata pinnata, pinnis infiinis maximis superioribus gratlatim minoribus patentibus vel in- 96 POLYPODIACE^E. ferioribus interdura reflexis, mediis rectangularibus 7 mm. longis °> mm. latis apice obtusis valde obliquis latere inferiore angustioribus latere superiore latioribus 2 mm. latis ; basi latere inferiore cuneato-acutis latere superiore basi late truncatis margine serratis, serris cuspidiformibns triangularibus aristatis validissimis ; pagine utraque glabra ; rhachis frondis recta supra sulcata squamis lineari-filiformibus sparce conspersa. Sporangia 3 ad paginam Fig. §8, Polystichum Morii HAYATA ; a, the plant ; b, c, d, various scales. on the stipe and frond; e, pinnae; f, an indusium. inferiorem pinnae singula3. Indusia rriajora peltata 2 mm. in diametro margine denticulata. Pinnis a se 3-4 mm. remotis. HAB. Mt. Morrison, ad 10000 ped. alt., leg. U. MORI, Dec. 1908. Near P. simplicipinnum HAY.; but differs from it in having much smaller pinnae which are much shorter and more rounded than those of P. simplicipinnum. This is the smallest one of all the species of Polystichum. SELAGINELLACE^E. 97 Selaginellacese. Selaginella SPRING. Key to the species. 1. Bracts of spikes uniform 2 Bracts of spikes dimorphous 8 2. Stem decumbent, spikes very short 1. S. kelungensis. Stem ascendent or erect 3 3. Stem densely tufted 2. S. involvens. Stem not tufted 4 4. Leaves entire 3. S. canaliculata. Leaves more or less serrulate 5 5. Branches with leaves on both sides more than 5mm. broad 4. S. atroviridis. Branches or branchlets with leaves on both sides less than 3 mm. broad 6 6. Macrospores winged 5. S. caulescens. Macrospores wingless 7 7. Leaves membranaceous 6. S. subcaulescens. Leaves thicker. 7. & pseudo-involvens. 8. Branches or branchlets with leaves on both sides nearly 7 mm. broad. 8. S. Somai. Branches or branchlets with leaves on both sides less than 4mm. broad 9 9. Ventral leaves narrowly ovate 9. S. morrisonensis. Ventral leaves broadly ovate 10 10. Spikes wider 10. S. leptophylla. Spikes narrower. ... 11. S. stenostachya. Fig. S9, Selaginella kelungensis HAYATA;;a, apical portion of a branch ; 1 . Selaginella kelungensis HAYATA b, a dorsal leaf; c, a ventral leaf. sp. nov. (Fig. 59). Caulis decumbens ad totam longitudinem radicibua instructus ramosus toto folia tus 10-30 cm. longus. Folia dimorpha SELAGINELLACE.&. membranacea remota ; folia dorsalia mfnora" oblique cuspiclato-ovata 2 mm. longa 1 mm. lata apice acuminata hand aristata plus minus recurva basi obliqua latere exteriore auriculata latere interiore hand vel leviter auriculata margine minute serrulata ad caulem adpresse disposita ascendentia; folia ventralia majora oblique ovata 2i mm. longa 1^ mm. lata apice obtuse acuta basi oblique rotundata margine minute serrulata vel subintegra. Spicas brevissimee 3 mm. longse, bracteis uni- formibus; bracteis lanceqlato-ovatis 2 mm. longis acuminatis basi rotundatis margine minute serrulatis. Macros- porangium infimum ; macrosporis sub- globosis i| mm. in dia metro elevato- reticulatis ; microsporangia superiora ellipsoidea § mm. longa imm. lata apice rotundata basi leviter 2-lobata. HAB. Monte centrali, leg. U. MORI Dec. 1908 ; Shichiseitonzan, leg. Y. SHIMADA; Kelung, leg. T. SOMA; Chikushiko, leg. S. NAGASAVVA. i\ear Selaginella concinna SPR., but differs from it in having much acuter leaves and bracts. 2. Selaginella involvens SPRING. (Fig. 60); BAKER Fern All. p. 87; MATSUM. et HAYATA Enum. PL Formos. p. 553. HAB. Kusshaku-Urai, Maruyama. 3. Selaginella canaliculata BAKER (Fig. 61); Fern All. p. 91 ; MATSUM. et HAYATA Enum. PL Formos. p. 552. HAB. Ochobi ; Bonbonzan ; Kappanzan ; Hii- ranzan ; Pachina ; Kusshaku ; Kotosho ; Kelung ; Karapin. Widely spread over all the island. Same as Fig. 6O, Selaginella involvens SPRING; a, apical portion of a branch ; b, a dorsal leaf; c, a ventral leaf; d, a bract. Pig. 61, Sdaginella canali- culata BAKER; a, apical portion of a branch with a spike ; b, a dorsal leaf; c, a bract; d, a ventral leaf. the Hongkong form. SELAGINELLACE^E. 99 4. Selaginella atroviridis SPRING (Fig. 62); BAKER Fer. All. p. 77; MATSUM. et HAYATA Enum. PI. Formos. p. 552. HAB. Taitonzan ; SuiteirjS ; Kokei ; Shintengai. I have seen a specimen of this species from Hongkong. It is a little different from our plant in the leaves which are in the Hongkong specimen more or less muricate on the upper surface. 5. Selaginella caulescens SPRING (Fig. 63); BAKER Fern. All. p. 94; MATSUM. et HAYATA Fig, 62, Selaginella atroviridis SPRING ; a, apical portion of a branch; b, a dorsal leaf; c, a ventral leaf; d, a bract. /\ Enum. PI Formos. p. 552. HAB. Suichoryu. 6. Selaginella subcaulescens HAYATA sp. nov. (Fig. 64). Planta 20-40 cm. longa. Caulis ascendento-erectus medio sursum ramosus a basi usque ad supra medium eramosus teres pallido- stramineus squamis adpressis instructus, squamis lanceolato-triangularibus 2^ mm. lougis 1 mm. latis apice cuspidato-acuminatis ; partibus caul is pa QQ Sela • „ ramosis in ambitu ovato-lanceolatis 10 -20 cm. cens SPRING ; a, apical portion of a branch; b, a dorsal leaf; c, a longis, ramis juxta infimos longissimis ramosis- ventral leaf; d, a bract, simis ; ramulis cum foliis 2-2|mm. latis. Folia dirnorpha dorsi-ventraliter disposita ; folia dorsalia minora oblique cuspidato-ovata ascendentia cum cuspidibus 1 mm. longa i mm. lata apice cuspidata, cuspidibus ^ mm. longis, basi oblique cordata vel haud cordata margine aristato-serrulata ; folia ventra- lia majora patentia con tigua oblique oblongo-ovata 1^ mm. longa § mm. lata versus apicem superiore falcata margine subintegra sed latere superiore versus basin minute serrulata. SpicsB ^-1 cm. longas tetragonee plus minus com- planatas cum bracteis 2 mm. latae ; bracteis uniform! bus cuspidato-ovatis 1J mm. longis § mm. latis apice cuspidatis valde costatis margine serrulatis ; 100 SELAGINELLACEA\ macrosporis haud alatis impresso-reticulatis. HAB. Kusshaku, Shintengai; Koshun, Tamsui Agiyoku, Kelung, Mato, Kyukyokudo. Very near S. caulescens, but distinguishable from it by the much thinner leaves and wing- less macrospores. 7. Selaginella pseudo-involvens HA- YATA sp. nov. (Fig. 65). Planta erecta 15-20 cm. alta ad saxum crescens solitaria vel 2-3 aggre- Fig. 64, Sdagindla sub- ^ Caulis ascendento-erectus usque ad supra caulescens HAYATA; a, a portion of a branch with a spike; b, a medium eramosus teres stramineo-rubescens mi- ventral leaf; c, a dorsal leaf; d, a bract. nus quam 1 mm. in diametro squamis adpressis conspersis instructus, squamis lanceolatn-triangularibus 2 mm. longis acutis basi peltatis et fimbriatis approximatis fere imbricatis ; partibus caulis ramosis triangularibus vel pentagon is 6-8 cm. in diametro, ramis (pinnis) patentibus vel ascendentibus angulo 45° a cauli egressis; ramulis vel pinnulis cum • foliis l|-2 mm. latis. Folia dimorpha dorsi-ventraliter dis- posita ; folia dorsalia rniuora crassiuscula obli- que lanceolata cum cuspidibus 1£ mm. longa ^ mm. lata apice acuminata aristata, aristis £ mm. longis, basi subtruncata margine Integra ; folia ventralia majora oblique ovata 1§ mm. longa f mm. lata apice cuspidato- aristata, aristis •^mm. longis, latere interiore crassiuscula Integra latere superiore membranacea serrulata basi plus minus contracta. Spicas ad apicem ramulorum terminales erectee rectee 1^-2 cm. long^e tetragonst Fig. 65, Selayinella pseudo- plus minus complanataa 1^-2 mm. lataa, bracteis involve™ HAYATA; a, a por- . . . tion of a branch with a spike; umforrnibus ovatis cuspidato-aristatis 2^ cm. longis b, a dorsal leaf; c, a vental 1^ mm. latis versus costam incrassatis ad margi- leaf ' d' a bract nem imbricatis margine denticulatis basi xiontractis leviter j>eltatis. HAB. inter Busegan et Seisui, leg. S. SASAKI et B. HAYATA, Mai. 1917. SELAGINELLACE^E. 101 Closely resembles in its appearance Selaginella involvens ; but widely different from it in its solitary stems with much more cuspidate leaves. 8. Selaginella Somai HAYATA sp. nov. (Fi ciliaris BEATJV. var. Langs- dorfii HACK 79 Arundinaria MICHX 94 » Kunishii HAYATA 94 », naibunensis HAYATA. . . 94 » niitakayamensis 94 „ oiwakensis HAYATA. .. 94 » Usawai HAYATA 94 Arundinella BADDI 67 Arundinella setosa TRIN 67 Arundo LINN 91 ,» Donax LINN. var. coleotricha HACK 91 « formosana HACK 91 Avena LINN 90 » fatua LINN 90 Axonopus BEATJV 66 „ semialatus HOOK 67 Bambusa SCIIREM 95 n breviflora MUNRO 95 „ dolichoclada HAYATA 95 „ dolichomerithallina HAYATA. 95 „ Fauriei HACK 95 » nana EOXB 95 „ Oldhami MUNRO 95 „ pachinensis HAYATA 95 „ Shimadai HAYATA 95 n stenostachya HACK 95 « tuldoides MUNRO. .... . . 95 BERBERIDEjE i Brachypodium BEAUV 93 « formosanum HAYATA. . . 93 » Kawakamii HAYATA. . . 93 „ sylvaticum HAYATA. . . 94 Calamagrostis ADANS 88 » arundinacea. HAYATA . . 89 « arundinacea BOTH. var. nipponica HAYATA 89 » Epigejos BOTH. var. densiflora LEDEB 88 „ formosana HAYATA. . . 88 » formosana HAYATA var. pauciflora HAYATA. . . 89 „ raorrisonensis HAYATA. . 89 CAPRIFOLIACE^: 31 CARYOPHYLLE/E i Centotheca DESV 93 » lappacea DESV 93 ,, lappacea DESV. var. inermis BENDL • .. .. 93 104 INDEX Chamaeraphis II- BR »» depauperate NEES. Chamasbatus. Chloris SWARTZ .. barbata SWARTZ „ incompleta ROTH Chrysopogon TRIN... » aciculatus TRIN. Coix LINN ., Lachryma-Jobi LINN CONIFEK^E CUPULIFERJE Cymbopogon SPR r> Nardus RENDLE. . Cynodon PERS ,» Dactylon PERS Dactyloctenium WILLD " aegyptiacum Dendrobium SEV . . „ erythroglossam HATATA. Dendrocalamns NEES „ latiflorus MUNRO. Deschampsia BEAUV M caespitosa BEATJV. . . „ flexuosa TRIN Digitaria Rrcn « barbata WII/LD n formosana RENDI.E. „ Henryi RENDLE * longiflora PERS n sanguinalis SCOP „ violascens LINK Diospyros LINN „ Sasakii HAYATA Diplachne BEAUV „ fuaca BEAUV Dimeria R. BR ,•, ornithopoda TRIN EBENACF^E Eleusine GJERTN n coracana GJERTN n indica G.ERTN Enteropogon NEES » gracilior RENDLE. . . Eragrostis BEAUV n amabilis WRIGHT et ARN. » atrovirens TRI~N » bulbillifera STEUD 66 66 4 90 90 90 82 82 68 68 39 37 82 82 90 90 90 90 40 40 95 95 90 90 90 65 65 65 65 65 65 65 33 33 92 92 68 68 33 90 90 90 90 90 91 92 92 92 Eragrostis elonjnUa JACQ ....... 92 ,* formosana HAYATA ..... 92 M geniculata NEES et MEY. .. 92 v, interrupta BEAUV. var. tennis- sima STAPF ......... 92 n japonica TRIN ....... 92 „ major HOST ......... 92 „ minor HOST ......... 92 „ pilosa BEAUV ....... 92 ,, plumosa LINK ....... 92 „ tenella ROEM ....... 92 „ nnioloides NEES ....... 92 Eremochloa S. WATS ......... 78 „ ophiuroides HACK ..... 78 .. ophiuroides HACK. var. longifolia HAYATA ..... 78 Erianthus MICH ........... 77 „ formosanus STAFF ..... 77 „ pollinioides RENDLE ..... 77 Eriochloa H. B. et K ......... 55 „ polystachya B. H. et K- . . 55 „ villosa KUNTH ....... 55 Euchlaena SCHRADER ......... 68 M luxurians DURIEU ..... 68 EUPHOKBIACE^E ......... 34 Euphorbia LINN ........... 34 tarokoensis HAYATA Festuca LINN ............. „ ovina LINN. Tar. vulgaris KOCH. Ficus LINN ............. ., kaukauensis HAYATA ....... „ ochobiensis HAYATA ....... ,, tannoensis HAYATA ....... Galium LINN ............. „ Morii HAYATA ......... „ tarokoense HAYATA ....... GEEANIACE^. ........ Geranium LINN ........... „ uniflorum HAYATA ..... GBAMINE^E ........... Heteropogon Pers ........... » contortus BEAUV ..... Ichnanthus BEAUV ........... „ pallens MUNRO ....... Imperata CYR ..... ........ » arundinacea CYR ....... INDEX. 105 Isachne australis B. BR... 57 .. Clarkei HAYATA 57 n debilis BENDLE 58 .. finnula BUSE . . 57 „ heterantha HAYATA. 56 » monticola HACK 58 „ myosotis NEES. var. nudiglumis HACK 57 » pulchella BENTH. . . . . . . 58 Ischsemum LINN •. . . . 77 n angustifolium HACK 78 », aristatum LINN. var. imberbe HACK 78 » ciliare KETZ 78 ,, muticum LINN 78 ,. Sieboldi MIQ. formosanum HACK .. .... 78 Juniperus LINN . . 39 „ formosana HAYATA 39 Leersia SWARTZ 68 ;. hexandra SWARTZ 68 Leptochloa BEAUV 91 » chinensis NEES. . 91 Lepturus E. BR 94 ,- repens B. BR 94 LILIACE.E 41 Liparis EICH 40 « keitaoensis HAYATA 40 Lophatherum BRONGN 92 „ gracile BEONGN 92 Mahonia NUTT 1 » tikushiensis HAYATA 1 Manisuris LINN 79 Malachobatus grannlaris LINN 79 Miscanthus ANDERS 69 „ japonicus HACK... .. - .. ,69 r> sinensis ANDERS 69 » sinensis ANDERS, var. for- mosana HACK 69 >• transmorrisonensis HAYATA. 69 Muehlenbergia SCHRBS. .... . . 87 >» arisanensis HAYATA. . . 87 N erteta BANKS et SOL 32 » uigricarpa HAYATA 32 Ophiurus E. ER. . . . . 79 „ monostachyiis PRESL 79 Oplismenus BEAUV 66 « Burmanni BEATJV. . . 66 Oplismenus compositas EOEM. et Sen. . . 66 » undulatifolius BEAUV. . . 66 OBCHIDEJE. .. .. .. .. .. 40 Oryza LINN. 68 » saliva LINN. . . 68 Panicum LINN.. . .. 58 n acroanthum STEUD 64 „ amplexicaule EUDGE 61 „ barbipeduni HAYATA 62 „ barbivaginale HAYATA 58 „ brevifolium LINN 64 Crus-Galli LINN 60 n decompositura E. BR 63 n distachyuni LINN. .. .. .. 60 „ excurrens TRIN 64 „ indicum LINN 61 » miliaceuni LINN 64 » montanum ROXB 64 „ neurodes SCHUXT. 64 „ parvulum TRIN 65 » paspaloides HAYATA. .. .. 60 ,, patens LINN 64 w plicatum LAM. . . 64 „ proliferum LAM 63 »» prostratum LAM 60 »> pseudodistachyum HAYATA.. . 60 n punctatum BURM. . . . . . . 59 „ repens LINN. . . .... . . 63 n sarmentosuni EOXB 64 n semi- (datum KTH 67 « submontanura HAYATA 64 » suishaense HAYATA 62 » villosum LAM 60 Paspalum LINN 53 n akoensis HAYATA. . . . . 53 „ distichum LINN 54 » distichum L. var. anpinense HAYATA 54 „ scrobiculatum LINN 53 Pennisetum PERS. 67 „ japonicum TRIN. . . . . 67 „ japonicum TRIN. var. viri- . descens MIQ 67 Perotis AIT. 68 ,, latifolia AIT. • 68 Photinia LINDL. 30 „ daphniphylloides HAYATA. .. 30 Phragmites TRIN. .... . . .... 91 106 INDEX. Phragmites communis TRIN 91 » Earka TRIN 91 Phyllostachys SIEB. et Zucc 95 », formosana HAYATA. . . 95 „ lithophila HAYATA. .. 95 n Makinoi HAYATA. . . 95 ,» nigripes HAYATA 95 »» pubescens H. LEH. . . 95 PITTOSPOKE^E i Pittosporum BANKS 1 » daphniphylloides HAYA- TA 1 Poa LINN 93 » annua LINN 93 » palustris LINN 93 Podocarpus L' HER 39 » nankoensis HAYATA. .. 39 Pogonatherum BEAUV 79 »» saccharoideum BEAUV. var. monandrum HACK. 79 Pollinia 72 » arisaaensis HAYATA 74 » ciliata TRIN 76 n formosana (HACK.) HAYATA. 75 n geniculata HAYATA 73 n imberbis NEBS. var. \Villdeno- wiana HACK 74 » monantha NEES 76 Polliniopsis HAYATA 76 » Somai HAYATA 76 POLYPODIACE.E 95 Polypogon DESV 82 » Higegaweri STEUD 83 n monspeliensis DESF 83 Polystichum BOTH 95 ». Morii HAYATA 95 (Juercus LINN 37 » Sasakii KANEHIRA 37 »» spinosa A. DAVID var. Miyabei HAYATA . . 37 n tarokoensis HAYATA 38 ROSACES. .. .. .. 4 Rottboellia LINN 79 « compressa LINN. var. genuiua HACK. • .. 79 » exaltata LINN. var. appen- diculata HACK 79 RUBIACEJE. o Rnbus LINN 4 •n aculeatiflorus HAYATA 15 n adeaotrichopodus HAYATA. . . 6 ,•> alceaefolius POIR var. emigrates FOCKE 10 -» arisanensis HAYATA 15 .. arisanensis HAYATA var. ho>ls- haonsis HAYATA 15 ,» calycinoides HAYATA 4 ,, conduplicatus DUTHIE 15 » dolichocephalus HAYATA 19 n elegans HAYATA 18 » euphlebophyllus HAYATA. . . 19 ,. fasciculatus DUTIHE 18 », Horibundo-paniculatus HAYATA. . 6 -. forinosenfsis O. KTZ 32 9, fraxinifoliolus HAYATA 28 „ fraxinifolius POIR 29 » glandnloso-calycinus HAYATA... 18 - glandulosopunctatus HAYATA. . . 26 „ Kawakamii HAYATA 6 ,, kotoensis HAYATA 27 ., Lambertianus SER 9 n lasiniato-stipulatus HAYATA. . . 11 n linearifolilous HAYATA 92 .. mingetsensis HAYATA 15 - moluccanus HAYATA 11 „ Morii HAYATA 9 „ nantoensis HAYATA 9 n parvi-araliifolius HAYATA. . . 24 » parvifraxinifolius HAYATA. . . 29 » parvipungens HAYATA 26 n parvirosaefolius HAYATA 26 - pectinel/us HAYATA 4 -. pectinellus MAXIM, var. trilobus Koroz 4 n pentalobus HAYATA 4 ,» piptopetalus HAYATA 21 -. randaiensis HAYATA 12 „ rarissimus HAYATA 25 ,- Eolfei ViDAr, var. lanatus HAYA- TA 10 -. ' rugosissimus HAYATA 11 „ Shimadai HAYATA. . . . . . . 9 ., sliinkoensis HAYATA 16 » Somai HAYATA 19 „ sphaerocephalns HAYATA 21 -. snishaensis HAYATA 6 » Swinhoei HANCE.. . 6 INDEX. 107 Rubus taitoensis HAYATA 15 „ taiwanianus MATSUM 26 „ triphyllus THG 22 Saccharum LINN ... 77 „ Narenga HAM 77 » officinarum LINN 77 n spontaneum'LiNN 77 Schizostachyum NEES 95 n acutiflorum MOOBE?.. 95 SELAGINELLACE^]. 97 Selaginella SPRING 77 » canaliculata BAKEB 98 „ caulescens SPRING 99 n involvens SPRING 98 n kelungensis HAYATA. . . 97 „ leptophylla BAKER 102 „ morrisonensis HAYAEA. . . 102 „ pseudo-involvens HAYATA. 100 „ Somai HAYATA 101 „ stenostachya HAYATA. . . 102 „ subcaulescens HAYATA. . . 99 Setaria BEAUV 67 » glauca BEAUV 67 „ italica KUNTH 67 „ pachystachys FRANCH. et SAV. . 67 ,, viridis BEAUV 67 Sorghum PERS 8l „ fulvuni BEAUV 82 n halepense PERS 82 „ vulgare PERS 82 Sphaerocaryum NEES 58 „ elegans NEES 58 Spinifex LINN 66 ,, squarrosus LINN 66 Spodiopogon TRIN 69 » formosanus RENDI/E. . . 70 n hogoensis HAYATA 70 n Kawakamii HAYATA. . . 70 Spodiopogon Sibiricus TRIN 71 » tainanensis HAYATA. . . 71 „ Takeoi HAYATA 71 „ tohoeusis HAYATA 69 Sporobolus>B- BR 83 » diandrus BEAUV 83 „ indicus K. BR 83 „ virginicus KUNTH 83 Stellaria LINN 1 „ reticulivena HAYATA 1 TERNSTR, sarmentosa PERS 68 Thysanolsena NEES 66 „ Agrostis NEES 66 Trillium LINN 41 n Morii HAYATA 41 Tripogon BOTH 90 n chinensis HACK 90 Trisetum PERS 90 n subspicatum BEAUV 90 Triticum LINN 94 „ vulgare VmL 94 Zea LINN 68 „ Mays LINN 68 Zizania LINN 68 », aquatica LINN 68 Zoysia WILL. 68 „ pungens WILLD 68 ICONES PLANTARUM FORMOSANARUM, YII. PLATE I. Explanation of PL I. Mahonia tikushiensis HAYATA. Fig. 1. The plant. 2. A flower. 3. An outer sepal. 4. An inner sepal. 5. 6. Petals. 7. A stamen. 8. A pistil. Ic. PL Formos. Vol. VII. PL I. 8 . Hayami del. ICONES PLANTARUM FORMOSANARUM. VII. PLATE II L» U I Explanation of PL II. Pittosporum dapImipJiylloides HAYATA. Fig. 1. A branch. 2. A flower. 3. A sepal. 4. A petal. 5. 6. Stamens, seen from different sides. 7. Ovary. 8. A seed-bearing carpel. 9. A seed. /c. PL Formos. Vol. VII. PL II. F. Hayami del. S . Yamanaka . sculp ICONES PLANTARUM FORMOSANARUM. VII. PLATE III. Explanation of PL in. Geranium uniflorum HAYATA. Fig. 1. The plant. 2. A sepal seen from within. . 3. A petal ' ' • 4. Stamens on the receptacle. 5. Stamens. 6. A pistil. 7. A carpel with a seed. 8. 9. Seeds, seen from different sides. 10, 11. Embryos, seen from different sides. Ic. PL Formos. Vol. VII. PL III. F. Hayami del. S. Yamanaka. sculp. ICONES PLANTARUM FORMOSANARUM, VII. PLATE IV. Explanation of PL IV. PJwtinia daphniphylloides HAYATA. Fig. 1. A branch. 2. A flower. •" -i 3. A petal. 4. Portion of calyx, showing the insertion of stamens. 5. 6. Stamens, seen from different sides. 7. A flower-bud, petals taken off. 8. The same, in section. 9. Section of the ovary. Ic. PL Formos. Vol. VII. PI. IV. F. Hay ami del. S.Yamanaka. sculp. ICONES PLANTARUM FORMOSANARUM. VII. PLATB V. Explanation of PL V. Abelia ionandra HAYATA. Fig. 1. A branch. 2. A leaf. 3. A flower. 4. Corolla, expanded. 5. Calyx with calyx-lobes. 6. Stamens. 7. Stigma. Ic. Pi Formos. Vol. VII. PL V. F. Hay ami del. S. Yam an aka. scuip. ICONES PLANTARUM FORMOSANARUM. VII. PLATE VI. Explanation of PL VI. Nertera nigricarpa HAYATA. Fig. 1. The plant. 2. A leaf. I ~ 3. A flower. 4. Corolla, expanded. 5. Stamens. 6. Ovary. Ic. PL Formos. Vol. VII. PL VI. 6 F. Hayami del. S. Yamanaka. sculp. ICONES PLANTAROM FORMOSANARUM, vn. PLATE VII Explanation of PL VH. Galium tarokoense HAYATA. Fig. 1. The plants. 2. A leaf. 3. A flower. 4. Corolla expanded. 5. 6. Stamens. 7. A young fruit. Ic. PL Formos. Voi: VII. PL VII. V. Hayami del. S . Yamanaka. sculp. IGONES PLANTARUM FORHOSANARUM VII. PLATE VIII. Explanation of PL Diospyros Sasakii HAYATA. Fig. 1. A branch. 2. A leaf. 3. A male flower. 4. Calyx. 5. Corolla, expanded. 6. A portion of the corolla. 7. Stamens. /a PI. Formos. Vol. VII. PL F. Hayami del ICONES PLANTARUM FORMOSANARUM. YII. PLATE IX. Explanation of PI. IX. Euphorbia tarokoensis HAYATA. Fig. 1. The plant. 2, 3. Floral leaves. 4. An involucrum. 5. The same, seen from a different side. 6. The same, expanded. 7. A portion of the same. 8. A bract in the involucrum. 9. 10. Male flowers. 11. A young fruit. 12. Section of the same. Ic. PL Formos. Vol. VII. PL IX. to (•'. llavami del. S. Yamanaka. sculp. • ICONES PLANTARUM FORMOSANARUM. VII. PLATE X. Explanation of PL X. Quercus SascJdi KANEHIRA. Fig. 1. A branch. 2. A leaf. 3, 4, 5. Glans, seen from different sides. le.PLFbrmos.Vol. VII. PL X. F. Hayami del. S. Yamanaka. sculp. ICONES PLANTARUM FORMOSANARUM. VII. PLATE XI. Explanation of PI. XI. Quercus tarokoensis HAYATA. Fig. 1. A branch. 2. A male flower. 3. Perianth, expanded. 4. A bract. 5. A fruit. 6. A glans. 7. A cup. 8. The same cup, magnified. Ic. PL Formos. Vol. VII. PL XI. F. Hayami del. S.Yamanaka. sculp. ICONES PLANTARUM FORMOSANARUM. VII. PLATK XII. Explanation of PL XH. Dendrobium eryiliroylossum, HAYATA. Fig. 1. The plant, 2. A dorsal sepal., 3. A lateral sepal. 4. A petal. 5. A labellum. 6. Margin of the labellum. 7. Column. 8. Apical portion of the same, seen from back. 9. Operculum, seen from side. 10. The same, seen from back. 11. Pollinia. Ic. PL fbrmos. Vol. VII. PL XII. A K Hayami del. S.Yamanaka.srulp. ICONES PLANTARUM FORMOSAN&RUM, VII. PLATB XIII. Explanation of PL XIII. Liparis keitaoensis HAYATA. Fig. 1. The plant. 2. A flower. 3. A dorsal sepal. 4. A lateral sepal. 5. A petal. 6. A lip. 7. Column. 8. The same, seen from side. 9. An operculum and pollinia. Ic. PL Formos. Vol. VII. PL. ni del S. Yamanaka. sculp. ICONES PLANTARUM FORMOSANARUM. VII. PLATE XIV. Explanation of PL XIV. Trillium Morii HAYATA. Fig. 1. The plant. 2. A leaf. 3. A sepal. 4. A petal. 5. 6. A stamen, seen from different sides. 7. Ovary. 8. The same -in section. Fig. 1 and 2, natural size ; others more or less magnified. Ic.rLFormos.Vot. VII. PL XIV. F. Hayami del. S.Yamanaka. sculp. i', U Ell IE IE -b -fc - f: | I ? s H a T Iff s ± Return to East Asiatic Library. DUE two weeks from last date stamped. LD 21-5m-ll,'50(2877sl6)476A