raed ATS :
__ ENGINEER DEPARTMENT, U. S. ARMY.

GEOGRAPHICAL AND GEOLOGICAL EXPLORATIONS AND SURVEYS
WEST OF THE ONE HUNDREDTH MERIDIAN.

Fins Lreut. GEO. M. WHEELER, Corrs or ENGINEERS, IN CHARGE.

¥

3 : Me *

oo

ce . Conk See ?

as ae ieee oh

THE YEARS 1871, 1872, anp 1873

_ ENGINEER DEPARTMENT, U. S. ARMY.

GEOGRAPHICAL AND GEOLOGICAL EXPLORATIONS AND SURVEYS
: WEST OF THE ONE HUNDREDTH MERIDIAN. |

First Lrgut. GEO. M. WHEELER, Corps or ENGINEERS, IN CHARGE.

CATALOGUE OF PLANTS

COLLECTED IN

THE YEARS 1871, 1872, anv 1873,

OFFICE OF THE CHIEF OF ENGINEERS
Washington, D. C., June 27, “ist.

Sir: Lieut. George M. Wheeler has sent to this ction the reports of

Mr. Sereno Watson, and Dr. J. T. Rothrock, acting assistant surgeon

United States Army, upon the botanical collections made in

1871, 1872, and 1873, in the surveying expedition under his charge.

is have respectfully to recommend that they be printed at the Govern-

ment Printing-Office, and that 1,500 copies be furnished on requisition
from this office

Very repecteale, your obedient srr a

REYS,
Brigadier- General snd ‘high of Engineers.
Hon. Wm. W. BEL
Rebvetaiee of War.

Approved, by order of the Secretary of Big

. T. Crossy, Chief Clerk.
JULY 1, 1874.

Ae OE ORE Ey a ac eg

UNITED STATES ENGINEER OFFICE
EXPLORATIONS AND SURVEYS WEST OF THE 100TH Menmtin
‘Washington, D. C., June 8, 1874.

Str: I have the honor to forward herewith reports upon portions of
the botanical collections made in the years 1871, 1872, and 1873, by Mr.
Sereno Watson, and Dr. J. T. Rothrock, acting assistant surgeon United
States Army, and suggest the propriety of their separate publication.

The manuscript material already gathered for the natural-history
volume of the survey reports is so voluminous that the parts referring
alone to the collections of animals, birds, insects, &c., will occupy more
than 400 quarto pages.

The interest evinced by the numerous requests received for the re-
ports upon the various subjects intrusted to the survey for examination
leads to this request.

Very respectfully, your obedient gh
GE

ad a Corps of Engineers, im charge.
Brig. Gen. A. A. HUMPHR
Chief 0 of Tapinsick

Ee

ERRATA.

Page 19, 2d line from bottom, for Fumaria le oi read Funaria, &c.
Page 23, 1st line, for June 12, 1874, read June 1873.
Page 37, some line, for S. soxph yilifolia, ae ae olia,
e from top, for Parnassia ageber read Pat aean parviflora.
Page 48, 5th re from bottgm, capital W fo:
Page 53, 4th line from top, for C. asboratbandiid ssid C. albolutrescens.
Page 58, 14th line from top, cope 5 for fae Avene Selago.
Page 59, 26th line from top,

Pe ey

tenellum.

BOTANY.

LIST OF PLANTS COLLECTED IN NEVADA, ARIZONA, AND
AH, UPON LIEUT. G. M. WHEELER'S SURVEY IN 1871
72.

INTRODUCTION,

The following report by Mr. Sereno Watson is upon the collections
made in the field-seasons of 1871 and 1872, by the collectors of Lieut.
George M. ee —— and geological survey, west of the
one-hundredth meri

mong _ who ea most active in collecting may be named Drs.

. O.. Yarr . 8. Hoffman, and — r Loew, Messrs. Henshaw,
Bischoff, oy Francis Klett, and other

This and the report of Dr. Rothr eri sie apes simply to be pre-

gee os the more full and complete rep

he name of Mr. Watson is a catalan prcviatlere for the accuracy of
the Tot ‘ateusted to him.

BOTANICAL REPORT.

BY SERENO WATSON.
almme

CLEMATIS LIGUSTIOIFOLIA, Nutt. Nevada, Utah, and Arizona.

THALICTRUM FENDLERI, Engelm. Nevada and Ut ah.

THALICTRUM OCCIDENTALE, Gray (?), Proc. Amer. Acad. 8. 372. “Stam-
inate specimens were collected in the Wahsatch Mountains near Provo
City that may belong to this species. The foliage and habit are the
same as in the Oregon plants; panicle leafy ; anthers long-mucron-
ate, asiv 7. Fendleri.

RANUNCULUS ANDERSONH, Gray. Belmont, Nevada.

RANUNCULUS CYMBALARIA, Pursh. ah.

AQUILEGIA CANADENSIS, L. In the Southern Wahsatch. With the
short sepals of the eastern plant and with much more dissected and
smaller leaflets than the next.

AQUILEGIA FORMOSA, Fisch. (A. Canadensis, var. formosa, Torr.) Dis-
tinguishable from the last by its elongated sepals, nearly or quite
equaling the spurs, and by its stouter habit, growing only on stream-
banks in the mountains and flowering from July to September. Ne-
vada and Utah; ranging from the Rocky Mountains to Oregon and
Sitka, but not found in California.

AQUILEGIA CAIRULEA, James. Near Provo City, Utah. <A reduced
form of this species, with bright blue flowers, was collected at Kanab
in Southern Utah, by Mrs. kK. P. Thompson, in 1872. It has also
‘recently been found i in the Sierras near Mount Whitney.

AQUILEGIA CHRYSANTHA, Gray, Proc. Amer. Acad. 8. 621. This plant
differs from A. sence in its pure yellow flowers with narrower
in its stouter and more branched habit, and in its much longer con-
tinuance in flower, blooming ~~ until September. Arizona. =~

(3 der

ios Bo ay"

DELPHINIUM MENZIEsII, DC. Nev

A,
CHEIRANTHUS Mus neee, Benth. & Hook. patos N aia
VASTURTIUM OFFICINALE, R. Br. Nevada and Uta
NASTURTIUM SINUATUM, Nutt. es sg as

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STANLEY A paarogen g Nutt. Nevada and Arizona.

THELYPODIUM INTEGRIFOLIUM, Nutt. Nevada and Utah.
THELYPODIUM SAGITTATUM, End]. Carlin, Nevada.

CAULANTHUS CRASSICAULIS, Watson. Pete dacamtoy Torr.) Nevada.
BRASSICA NIGRA, Benth. & Hook.

TROPIDOCARPUM GRACILE, Hook. San aaa Mountains, Arizona
a ees NANUM, Watson, King’s Rep. 5. 30, t. 4. Halleck Station,

Cuasue 3 LUTEA, Hook. Nevada

Gekentt OBTUSIFOLIA, Torr., hasnt Rep. 311. Nevada.

VIOLA NUTTALLI, Pursh. va ada.

VIOLA CANINA, we evada.

KRAMERIA P sation ale Benth. Southern Nevada.

FRANKENIA GRANDIFOLIA, Cham. & Schlecht. Nearly sre tae
some stiff. hairs upon the stipules and traces of — scen
the stem and capsules. The leaves are in sr ediate dations ihe
ordinary form of California, with mostly obovate leaves, and those of
the recently described species Sos James Torr.; Gray in Proc. Amer.
Acad. 8. 622) of Colorado and Texas. Souther n Nev ada.

SAPONARIA Vv iparere: Host. Utah,

h.

STELLARIA JAMESH, Torr. st ae _ ater
IF , Ehr

sch.
RENARIA FENDLERI, Frenige r. SUBCON NGESTA, Watson. Utah.
CLAYTONIA CAROLUNIANA, Michx., var. SESSILIFOLIA, Torr. (C. lanceo-
ada.

LEWISIA REDIVIVA, Pursh. Nevada.

HYPERICUM SCOULERI, Hook. Utah.

FouQquigra perorayinhak = Gray, Pl. Wright. 1. 76. San Fran-
_ eisco Mountains, Ariz

SIDALCEA ALT RERORA, yids Nevada and Utah.

MALVASTRUM COCCINEUM, Gray, and var. DISsECTUM, Gray. Utah.
MALVASTRUM MUNROANUM, Gray. Mineral _ Nevada.
SPHAZRALCEA Emoryt, Torr. Nevada.

7

SPHZZRALCEA INCANA, Torr., var. FENDLERI. (S. Fendleri, Gray.)
San Francisco Mountains, Arizona, and Utah.
SPH ARALCEA ACERIFOLIA, Nutt. Utah.
bh.

U
LINUM PERENNE, L. Nevada and Utah
UARREA MEXICANA, Moric. Southern N evada and Arizona.
YRODIUM CICUTARIUM, L’Her. Nevada and Utah.
JERANIUM RICHARDSONII, Fisch. & Mey. Nevada and Utah.
JERANIUM CASPITOSUM, James. Utah.
? ACH YSTIMA vest i Raf. Utah.
KARWINSKYA HUMBOLDTIANA, Zuce. Gray, Pl. Wright. 1. 32. (Rham-
nus, HBK.) Perse
CEANOTHUS "PaNDLER, Gray, Pl. Fendl. 29. San Francisco Mount-
ains. Ari ;
RHAMNUS pence, Nutt. Arizona.
VITIS AESTIVALIS, Miehx., var.(?) Resembling a common Texan and
New Mexican forni ; perhaps V. Arizonica, Engelm. Arizona.
h.

HPOOQmHrEaZn

NEGUNDO ORES ET Meench. Arizona and Utah.

RHUS GLABRA, L.

RHUS AROMATICA, Ait., var. TRILOBATA, Gray. Utah.

Ruvus INTEGRIFOLIA, Benth. & Hook. (St yphonia, Nutt.) Arizona.
THERMOPSIS FABACEA, DC., var. MONTANA, Gray. Nevada.
LUPINUS eel ong ciel Nutt. Wahsatch Mountains, Utah.
LUPINUS LEUCOPHYLLUS, Lindl. h.

LUPINUS LAXIFLORUS, Dougl.

tah.

LUPINUS SITGREAVII. Watson, Proc. rene rie 8.527. New species.
Perennial, herbaceous, tal!, branched, puberulent and more or less silky-

* villous, leat y ; stipules eee: leaflets 7-9, glabrous above, oblan-
ceolate, 1 DP
peduncled; flowers eh hang ieee, bracts shorter than the calyx,

eciduous ; upper calyx-lip short and rather broad, shortly toothed
or nearly entire ; petals apparently blue or _purple, 5 5 lines ‘long , the
—San F

banner rounded "naked, keel ciliate; ovules 5 ranciseo Mount-
‘ains, Arizona; also collected in the a locality y Lieutenant Sit-
greave in 1851. rewer’s 2012, fr bbett’s Pass in t _

t ierras
and 1020 Wright, from the Scnedi ing. Mountains in New Mexico,
differ but slightly.

Utah.
TRIFOLIUM MONANTHUM , Gray, Proc. Amer. Acad. 6. 523. Nevada.
TRIFOLIUM MEGACEPHALUM, ‘Nutt. Diamond Range, Nevada.
P

0
ASTRAGALUS DIPHYSUS, Gray. Nevada.
ASTRAGALUS LENTIGINOSUS, Dougl., and var. FREMoNnTH, Watson.
N

ASTRAGALUS CANADENSIS, L. Uta

ASTRAGALUS SHORTIANUS, Gray o. Nevada and Utah. In flower only.

ASTRAGALUS UTAHENSIS, Torr. Utah.

-ASTRAG pep picker, Gray. Nevada.

ASTRAGALUS. MULTIFLORUS, Gray. Nevada. Other species were in
the collection, but the specimens were too impertect for determina-

GLycyrRmza LEPIDOTA, Nutt. Nevada and Utah.
HEDYSARUM MACKENZI, Rich. Utah.

8

VictA AMERICANA, Muhl. Nevada and Uta h.

LATHYRUS LINEARIS, Nutt. San Francisco Mountains, Arizona.

LATHYRUS PALUSTRIS, L. Ut

LATHYRUS _ stent Nutt. " Arizona.

LATHYRUS VENOSUS, }

INDIGOFERA LEP! once. Nutt. Arizo

PARKINSONIA MICROPHYLLA, Torr., mat et rar 59. Ari

Cassia Covesil, Gray, Amer. Jou Sei. 3. 377. Su icnratae at
base, 2° high, hiaaey with a shart { foment " stipules sregraictigy. 1 os

oblon

0
uthern me oe ak 1867. Near C. crotalarioides, Kunth, but less iow
with fewer leaflets, much smaller glands between each pair of leaflets,
much auiallet stipules, a shorter calyx in proportion to the petals, and
a omen eg ean r pod. e only means for comparison, however, has
been ure in Kunth’s “ Wicca?

iene GLANDULOSA, Torr. Ash erent he Southern Nevada.

PROSOPIS PUBESCENS, Benth. Same loca

MIMOSA BOREALIS, Gray, Pl. Fendl. 39. Ad izon

Mimosa BIUNCIFERA, Benth., Hook. Jour. Bot, 4. “409. Ari

ACACIA CUSPIDATA, Schlecht., Tinneea, 12. 513. (A. esonnids Torr. &
Gray, Flora, 1. 404.) Arizona

Pune DEMISSA, Nutt. Nev aad and Utah.

Rubus NUTKANUS, M Utah. ae

RUBUS STRIGOSUS, Michx. Utah

PURSHIA TRIDENTATA, Nutt. Nevada and Arizona

SPIRAA MILLEFOLIUM, Torr., Pac. Railroad Rep. 4. 83, ¢t. 5. South-
ern Nevada.

SPIR.ZA CASPITOSA, Nutt. h.

CERCOCARPUS LEDIFOLIUS, Nutt. Nevada om pea

CoWANIA MEXICANA, Don. Nevada and Ari

GEUM MACROPHYLLUM, gas tah.

GeEuM Rossn, Ser. Uti

FRAGARIA VIRGINIANA, Hibrh, , Var. GLAUCA, Watson.

ROSA BLANDA, Ait. tah.

Rosa CaLirornica, Cham. & Schlecht. Gray, Proc. Am. Acad. 8, 382.
(Rk. blanda, hetesnmiat = Pe Mes hag Nevada and Utah.

POTENTILLA FRUTICOSA, L.; also var. ALPINA; low and compact,
the leaves very ek oO lines wert linear and revolute; the same as
342 Watson. Ut

PoTENTILLA ANSERINA, L. Ut ah.

POTENTILLA GLANDULOSA, Lindl. tay

POTENTILLA PENNSYLVANICA,

POTENTILLA GRACILIS, Dougl., and “ai ‘RIGIDA. (P. rigida, Nutt. P.
Nuttallii, Lehm.) Utah.

AMELANCHTER ALNIFOLIA, ne Nevada,

SAXIFRAGA PuNCTATA, L. Uta

a CEREUM, Dougl. Nevada,

ie

7

RIBes AUREUM, Pursh. Northern Nevada.
LYTHRUM ALATUM, L., var. LANCEOLATUM, — & Gray. Mo varias
ZAUSCHNERIA OALIFORNICA, Presl. Arizo
EPILOBLUM ANGUSTIFOLIUM,
EPILOBIUM TETRAGONUM, L. Nevada and Utah.
rien PANICULATUM, Nu
AYOPHYTUM oe Torr. & Gray. Nevada.
GAY mes ere EMOsUM, Torr. & Gray. ie
ee rate ai; Utal and var. GRANDIFLORA, Torr. & Gray.

Guaseaeki HETERANTHA, Nutt. Utah.

CENOTHERA SCAPOIDE A, Nutt., var. PURPURASCENS, Watson, Proc. Amer.
Acad. 8. 595 id.

CENOTHERA ALBICAULIS, Nutt.

CENOTHERA GREGGH, Gray, FE A > 46. Arizona.

_. CANOTHERA TANACETIFOLIA, Torr. & Gray. Nevada.

da. .
CENOTHERA ALYSSOIDES, Hook. & Arn. Utah.
VI

th.
PETALONYX THURBERI, Gray. Southern seat egos
ETALONYX NITIDUS, Watson, Amer. Naturalist, 7.300. New specie
Leaves ovate, $-1 inch long, acute, coarsely- toothed, shortly- petioted.
vitreous sae ining. not greatly reduced on t ranches ; flowers
in cor acted cymose panicles ; ; otherwise like P. Thurberi. —Southern

Nev
Ovournira DIGITATA, Gray, Pl. Wright. t. 2. 60. Arizona. ‘
: Se
AMILLARIA ARI IZONIOA, Engelm., ined. Arizona. fe.
Ma AMILLARIA VIVIPARA, Haw. var. Arizona and eonres
ECHINOCACTUS POLYCEPHALUS, Engelm. & Big. Ari
peemee re WISLIZENI, Engelm., Pac. Railroad pois 4, 30, t. 3.

Ari
Pree af eae Engelm. Nevada.
CEREUS ENGELMANNI, Parry. Arizo een
OPUNTIA BASILARIS, Engelm. & Big
OPUNTIA BIGELOVH, Engelm., Pac. haxonr Re. 4.50,4.19. Arizona.
OPUNTIA ARBORESCENS, Engelm. Arizona.
UNTIA TESSELATA, Engelm., Pac. Railroad Rep. 4.52, t.21. Arizona. j
ie

R
SIUM ANGUSTIFOLIUM, L. Nevada and Utah.

ELICA W HEELERI, Watson, Amer. Naturalist, 7.301. New species.
Tall and stout, roughly puberulent ; leaves pikerite ; leaflets ovate-
oblong, 2-3 inches long, acute, incisely serrate, the teeth broad and
mucronate, middle leaflet petiolulate; umbels naked; rays numerous,
unequal, becoming 2-5 inches long; pedicels and ovary hispid; petals
apparently white ; fruit broad-elliptical, 3 lines long, subpubescent,
the dorsal wings thick, narrower than the lateral ones.—U
ER MULTIFIDA, Gray (2). Foliage only. Utah.

PEUCEDANUM sativum, Benth. & Hook. Utah.

GARRYA FLAVESCENS, Watson, Amer. Naturalist, 7.301. (Garrya —(?),
~ Watson, ‘King’s Rep. 5. 421.) Silky pubesce nt with straight ap-

— leaves yellowish, elliptic-oblong, acute at each end,

10

1~23 inches long, glabrate above, entire, revolute on the margin; pe-
6 lines long; aments pendulous, the bracts broad-ovate,

connate, foliaceous, acute or the lower ones acuminate, 6-10 pairs;

terile aments rather loose, 1-2 inches long, the flowers 1-3, on pedicels

equaling or exceeding the ample bracts; fertile aments crowded, 1
inch long, with solitary flowers and densely pubescent fruit.—From

Southern Nevada and Utah to Arizona and New Mexico; growing

ee

i
CORNUS PUBE SCENS, Nutt. Utah. This is ¢. gs C. A. Meyer,
but Nuttall’s name is the older and unappropriate
galanin ob ara ahs st Gray, Pl. Wright, 2, 66; Jour. Linn.
0

C. 11.

SAMBUCUS aE AUoA Natt. Utah.

GALIUM BOR B, L. tah

VALERIANA EDULIS, Nutt. Utah,

PLECTRITIS CONGESTA, DC.

PECTIS PAPPOSA, Harv. & Gray, Pl. Fen vdl. 62. Arizona.

BRICKELLIA A CALIFORNICA, DC. sg and Uta

BRICKELLIA (CLAVIGERA) prbilk FOLIA, Watson Amer. Naturalist, 7.
301. New species. Very slender, with epreniieg eg ree gla vbrous,
with a slight ig seep 88 ; leav es in » acuminate, 2-5 inches long,
flat, entire or obscurely sinuate-toothed, rough- nese 3-nerved,

punctulate; flowers on short sain iediccta: axillary and in small

loose terminal clusters; involucre glabrous, 2 lines long, the scales acut-

ish, or the inner linear ones obtuse or truncate, spreading; achenium

10-striate, slightly and minutely hairy on the angles, nearly 1 line

long; pappus soft, minutely bar Seine, but little longer than the

achenium.—Southern Nevada Also collected at Kanab, Southern
fo : :

RP M,
plancnick , Aare ei DC., Persil. 5.167, Gray, Bot. Mex. Bound.
76. San Francisco Mountains, Arizona
Ut

ASTER GLACIALIS, Nutt. ‘

ASTER ENGELMANNI, a

ASTER colina Benth. Torr. & Gray, Flora, 2.165. Arizona.
oo HERA CANESCENS, Gray. Nevada, Arizona and Utah.
ERIGERON acento Parsh, and var. DIS DEUS, Gra

corp tah.
EEIGERON CASPITOSUS, Nutt. San Francisco Mountains, ‘Aviagua and

faeces RON BELLIDIASTRUM, Nutt. coe and Arizona.

ERIGERON MACRANTHUS, Nutt. ah.
WNSENDIA SCAPIGERA, Eaton. Ne ada,

GUTIERREZIA EUTHAMLA, Torr. & Gray. Ne vada, Arizona and Utah.

SOLIDAGO NEMORALIS, Ait., var. Nevada, Utah, and San Francisco
Mountains, Arizona.

SoLipaco Gurraponis, Gray. Nevada.

SoOLIDAGO PUMILA, Nutt. Nevada;

BIGELOVIA GRAVEOLENS, Gra y, Proc. Amer. heat. 8. 644. vie
Torr. & Gray.) Nevada, ‘es andl Utah, Also var. ALBICAUL

Gray, l.c. Nevada. :

ose ay Dovueiasu, Gray, I. ¢. 645. Clinoneie viscidifiora, Torr. &

ey ray.) Also var. SERRULATA, Gray. Utah.

(eed

ee ee ee

11

rea ee Gray, Pl. Fendl. 76, and var. DENUDATUS,
Torr. Ari

APLOPABPUS ernest Nus, Watson, Amer. Naturalist, 7. 301. New spe-
cies. Low (6 inches high,) suffruticose, resinous- scabrous, the short
mer bacdoa stems leafy to the top; leaves oblong-lanceolate, s
long, shortly cuspidate, attenuate to the base, entire, subscabrous, 3-
nerved; heads 3-4 lines long, in corymbs of 3-5, terminating the
branches ; outer involucral scales linear, acuminate, W with acecous
spreading tips, the inner chartaceous, acutish, with feign Rape
margins, erect, nearly equaling the pappus; rays few, w and
but little exceeding the disk ; style exserted; achenia S tne” pawase
cent.—Nearest to A. suffruticosus, Gray. Antelope Cation, Utah.

]. Utah.

Se
=}
fa)

Bes
LAPHAMIA pose eal oe ee Amer. Naturalist, 7. 301.

ies. ; st diff 4
branches si ables Veh ane ‘albartiato broadly ovate, 2-3 lines long,

pints compressed, hispid ; pappus none.— With nearly the habit of
e last. vada.

Puarreis unui, Torr., Bot. Mex. Bound. 82. zona

BACCHARIS HALIMIFOLIA, L. Torr. & Gray, ecg 2. ‘258. Nevada
and Arizona.

BACCHARIS SALICINA, Torr. & Gray , Flora, 2. 258. Nev Lees

BACCHARIS EmoryI, Gray, Bot. Mex. Bound. 83. <Arizo

TESSARIA BOREALIS, Torr. & Gray. Nev

PLUCHEA CAMPHORATA, DC. Torr. & Gray, Flora, 2. 261. Telescope
Mountain, Southeastern California

CONYZA CoULTE ERI, Gray, Proe. Amer. Acad 7. 355. Arizona,

AMBROSIA PSILOSTACHYA, DC. Utah.

FRANSERIA DUMOSA, Gra ay. Arizona.

HYMENOCLEA MONOGYRA, Torr. & Gray. Arizona.

XANTHIUM oe L

OXYTENIA ACEROSA,, Nutt., Pl. Gambell. 172. Telescope Mountaia,

‘ ry.

ZINNIA GRANDIFLORA, Nutt. Torr. & Gray, Flora, 2.298. Arizona.

HELIOMERIS MULTIFLORA, igs sister Arizona aud Uta

ENCELIA CALIFORNICA, Nu Torr. & Gray, Flora, * 2. 317. Var.
Tomentose, with a close whic _pithescenee ‘flowers small. Arizona.

VIGUIERA RETICULATA, Watson, Amer. Nat uralist, a ak: Ne

cies. White-t ha
coriaceous and rigid, broad-ovate, 1-2 inches long, cordat vase,
acute, entire, short-petioled, strongly reticulated nih g eaea0
mall, lanceolate; heads 4-5 together, in short close cory mbs 3 in-
volucral scales imbricated in 3-4 or more series, lanceolate, thick,
appressed or the tips spreading; rays entire ; receptacle shortly coni-
ght chaff acutish ; achenia silky pubescent, the pappus-awns subulate
at base, the scales lacerate.—Telescope Mountain, Southeastern Cali-

dele AMPLEXICAULIS, Nutt. Utah.

ALSAMORHIZA SAGITTATA, Nutt. Northern Nevada and Utah.
RUDBECKIA 0¢ CCIDENTALIS, 'N utt. Utah.
HELIANTHUS PETIOLARIS, Nutt. Torr. & Gray, Flora, 2. 319. Nevada.
HELIANTHUS LENTICULARIS, Dougl. Utah.

12

HELIANTHUS NuTTALLU, Torr. & Gray. Nevada.

HELIANTHUS GIGANTEUS, L., var. UTAHENSIS, Eaton. ee

RIDDELLIA CooPERI, Gray, Proc. Amer. Acad. 7. Ar

HYMENOTHRIX WRIGHTH, Gray, Pl. Wright. 297. Toney, iitraweile
Rep. 164, t. 6. Arizona.

HYMENOTHRIX WISLIZENI, Gray, Pl. Fendl. 102. Arizona.

PALAFOXIA LINEARIS, Lag. a.

CHANACTIS DouGLAsu, Hook. & Arn. Nevada and Utah

CHAINACTIS STEVIOIDES, Hook. & Arn. Independence Valley, Nevada.

rizona.

UMNA tah.
LAYIA GLANDULOSA, Hook. & Arn. Nevada.
BAILEYA MULTIRADIATA, Harv. & Gray, Pl. Fendi. 105. Torrey,
Emory’s Rep. 144, t.6. Nevada and Arizona.
ACHILLEA MILLEFOLIUM, L. Nevada, Arizona and Utah.
DRACUNCULOIDES, Pursh. Arizona and Utah

ARTEMISIA LUDOVICIANA, Nutt., Arizona; and varieties LAT ;
utt., LATIFOL orr. & Gray, and Dove A, Eaton, in Utah.

?
GNAPHALIUM LUTEO-ALBUM, L., var. SPRENGELI, Eaton
ANTENNARIA DIOICA, Grertn., var. ROSEA, Eaton. Nevada
ARNICA LATIFOLIA, Bong. U m,
ARNICA LONGIFOLIA, Eaton.

Nevada.
SENECIO DoUGLASH, DO. phos & Gray, Flora, 2. 443. Glabrate form.
San Francisco Matiiaion: gran
iurnigtn MIA CANESCENS, DC.

oe UNDULATUM, Spreng. tbe: sols and :

PEREZIA WRIGHTI, Gray, Pl. Wright. 1. ah “Arizona

PEREZIA NANA, Gray, Pl. Fendl. 111. Arizo

LYGODESMIA SPINOSA, Nutt. ah.

CHATADELPHA* WHE - os Gray MS. Watson, Amer. Naturalist,
7.301. Stems numerot xuous, 1 foot high; leaves linear-lanceo-
late, 1-2 inches long, entieb: acute, rather rigid ; flowers apparently

lor; involucre 6 1 ong; achenia t
brownish pappus exceeding the involucre.—With f

he habit o
desmia juncea, in which genus Bentham and Hooker are carer to:
place it. Southern Nevada.

MALACOTHRIX SONCHOIDES, yee & Gray. Nevada and Utah.

JREPIS ACUMINATA, Nutt. Nevada.

JREPIS OCCID ENTALIS, =< var. GRACILIS, Eaton. Nevada and Utah.

T ACRORHYNCHUS TROXIMOIDES, Torr. & Gray. Nevada and Utah.

SONCHUS ASPER, ies Utah.

JOBELIA CARDINALIS, L., var, TEXENSIS. Leaves — lanceolate ; ;
bracts small; ie teeth 2-3 lines lon

ARCTOSTAPHYLOS gy vee Lindl. (?) Nevada wake Utah.

LYSIMACHIA CILIATA, tah.

ef ae ee ee |

» “CHEZ TADELPHA, G tay. (New genus of Cichor racew.) Heads about 5-flowered. <
Involuere cylindrical, of 5 linear 1-nerved seales in a single row, calyculate with
several small imbricate scales at e. Receptacle naked. Ligules short. Ache-

13

‘DopDECATHEON MEADIA, L. Nevada.
PHELIP#A ERIANTHERA, Engelm.
CHILOPSIS LINEARIS, DC., Prodr. 9. 2. ( CO, glutinosa, Engelm, Wisl.

MARTYNIA PROBOSCIDEA, Glox. San Francisco Mountains, Arizona.

GESNERA(?) Foliage only, thick and fleshy, glabrous ; ao opposite,
broad-cordate, undulate, crenate, strongly veined, papillo e-
cies of this genus has been recognized as erowing n a ot Mexico.

DREJERA PUBERULA, Torr., Bot. Mex. Bound. 123, Ari

VERBASCUM THAPSUS, L. h.

ANTIRRHINUM MAURANDIOIDES, Gray, Proc. Amer. Acad. 7.376. (Mau-
randia antirrhiniflora, Willd.) Arizona

COLLINSIA PARVIFLORA, Dougl. Neva aa,

PENTSTEMON EATONI, Gray, Proe. Amer. Acad. 8.3 (P,; ae
lius, Watson, King’s Rep. 5.219, not Benth.) sy One Nevada

tah.

PENTSTEMON GLABER, Pursh. Nevada and Utah.

PENTSTEMON FREMONTH, Torr. & Gray. Nevada and Utah.

PENTSTEMON WRIGHTH, ‘Gray (?) Utah.

PENTSTEMON LINARIOIDES, Gray. Arizona.

PENTSTEMON GLAUCUS, Grah.

PENTSTEMON 7 eagle Dougl., var. CAIRULEO-PURPUREUS, Gray.
Nevada and Uta

PENTSTEMON DEUSTUS, Dougl. Nevada.

PENTSTEMON LAETUS, Gray. Mineral Hill, Nevada.

MIMULUS LUTEUS bi Nevada, Arizona an id Utah.

MIMULUS chime pce Dougl., var, Low, with leaves attenuate to the
base. Arizon

MIMULUS prep Watson. (Herpes, Benth.) Nevada.

EUNANUS FREMONTH, Benth. Nev. rs

EUNANUS BIGELOVH, Gray. Neva

CASTILLEIA LINARLAFOLIA,Benth., a var. with lanceolate 3. nerved
leaves, as in CO. lawa. Nevada and Uta

Creriaers AFFINIS, H. & A., var. MINOR, “Gray. Nevada and Utah.

CASTILLEIA PALLIDA, Kunth. bh.

JASTILLEIA PARVIFLORA, Bong. Nevada.

JASTILLEIA INTEGRA, oe San Francisco Mountains, Arizona.

JRTHOCARPUS TOLMIEI, Arn

JIPPIA WRIGHTH, Gray, Bot. Mex. Bound. 126. Arizona.

JERBENA AUBLETIA, L. Arizona.

VERBENA HASTATA, iL. te

VERBENA BRACTEOSA, Michx. Utah.

MENTHA CANADENSIS, L, Utah.

JYCOPUS SINUATUS, Ell. Utah.

LONARDELLA eg —— OP iteaags and Utah.

\UDIBERTIA INCANA, Ben Nev

NEPETA CATARIA,

“ugar URTIC AFOLIUS, Benth. . Utah.

PHALUM PARVIFLORUM, Nutt.

S;CUTEL sg IA ANTIRRHINOIDES, Benth. Gra y, Proc. Amer. Acad. 8. 396.

(s. resinosa, Watson, King’s Rep. e fo: not ? Morr.) Nevada.

SALAZARIA MEXICANA, Torr. Ariz
ACHYS ALBENS, Gray, Proe. pees hed 8. 387. Arizona.

ECHINOSPERMUM ReEDOWSsKH, Lehm., var. OCOIDENTALE, Watson,
Nev: desea

oe oae ted teal bead aed ~E<) alelele)

ERMUM I PILOSUM, Nutt. iam 2, i: ny Aareaprag ie *

Sle x:

a

14 :

-HACELIA CRENULATA, Torr. Watson, King’s Rep. 5. 251. Nevada.

URIODYCTION GLUTINOSUM, Benth., var. ANGUS’ LIFOLIUM, Torr. (£#.
angustifolium, Nutt., Pl. Gambel. open oo Nevada. i

X CAISPITOSA, Nutt. Nevada and Utah j
PHLOX Dove Last, Hook. Nevada aid Arizo 4
PHLOXx apa en oe in utt., Nevada; and tars STANSBURLI, Gray,
Nevada and A

CGOoLLOMIA Gavammingrans; Don. zona.

COLLOMIA LONGIFLORA, Gray. San Franciaeo Mountains, Arizona.

COLLOMIA LINEARIS, Nutt. Utah.

GILIA NUTTALLU, Gray. Nevada.

GILIA PUNGENS, Ben

GILIA (} (Navarrerra} DE s, W: atson, Amer. Naturalist, 7. 302. New

species. Stems short aid, inane 1-2 inches high, leafy ‘above ; pubes-

cence minute or hirsute; leaves alternate, 4-1 inch long, oblong, atten-

uate into a short petiole, entire, or some of them broader and 3-lobed ;

bracts oa a the lea eat — oy than ne calyx;

- nt a ee eee
oe HER te tis

deeply Nokes limb, light. oe stamens 8 upon the t throat, exserted ;
ee i line long, the cells 1- seeded ; seeds without mucilage or
te ah.

Nevada. )
ane FILIFOLIA, uth, Var. DIFFUSA, Gray. Nevada. |
GIL
POLEMONIUM CONFERTUM, Gray. Belmont, Nevada; Utah. |
POLEMONIUM CHRULEUM, L., and var. FOLIOSISSIMUM, Gray. Utah.
POLEMONIUM pions) Willd. Utah. :
CONVOLVULUS LONGIPES, Watson, Amer. Naturalist, 7. 302. New spe-

cies. Glabrous, planta. twining ; leaves linear, 1 inch long or less, —
_ entire or auricled at base, petioled ; peduncles elongated, 2-6 inches
~ dong, mostly strict, 2-3-b racted, usually 1-flowered; bracts s linear;

_ @alyx-lobes rounded, obtuse, or emarginate ; corolla pense, DS ee
_ _ inches long, yellowish_—Southern Nevada.
cas 4 CRETICA, L., var. TRUXILLENSIS, Chois. Arizona. |
nlm vunioes, L. Utah. 3
- PHYSAL () Near P. gaye _ leaves small and ise |
= |
.

— ‘a

sabochinaiay ; Stems flexuous.
C

h.
YTHRAA TRIACANTHA, Griseb., DC. Prodr. 9. 60, AHO
tah.

ERYTHR 2A CHIRONIOIDES, Torr., Bot. Shes Bound. 156, t. 42. Arizona.
SERA SPECIOSA, Dougl. evac d Utah,
“GENTIANA DETONSA, Fries. Utah.
\Guwriana AFFINIS, Gmel. Utah.
UM CANNABINUM, L. Nevada.

ICILLATA, L.

rs

é

15

MENODORA SCABRA, Gray, Amer. Jour. Sci. 2. 14.44. Torr., Pac. Rail-

road Rep. 7.18, t. 7. Var. GLABRESCENS, Gray MS.,inherb. Smooth;
calyx-lobes. 5-6, short, 1 line long or less, cetogs: ” Stamens occasion-
ally three. Arizona.

FRAXINUS VIRIDIS, Michx. Arizona.

FRAXINUS ANOMALA, Torr. Arizona

FRAXINUS CORIACEA, Watson, Amer. . Naturalist, 7. 302. New species.
Leaflets 1-2 pairs, coriaceous, obov or oblong, 1-2 inches long,
truncate or neato at the apex ei "acti atrentiate or pete

‘ C

mentioned in thereport. A stem of twelve years growth, 14 inches i in
diameter, has a smooth grayish brown bar

MIRABILIS MULTIFLORA, a ray.

OXYBAPHUS NYCTAGINEUS, Sw. i hee: OBLONGIFOLIUS, Gray. With
small flowers and one m "Neva

OXYBAPHUS ANGUSTIFOLIUS, Bw poe vada and Arizona.

ALLIONIA INCARNATA, L. Southern Neva da and Arizona.

ABRONIA VILLOSA, Watson, Amer. Naturali. ms 7. 302 Ne ew species.
Covered throughout with a site or less dense villous subglandular
spreading ees stem eak and slender; leaves small, 4-1
inch long, oblong or ovate, Stuns or pes attenuate into the slen-
der petiole; heads 5-10-flowered ; involac eral seales narrowly lanceo-
late, long-acuminate, ines” on owers pink, the lobes ob-
cordate, with a deep sinus; fruit with a firm body, strongly reticulate-
pitted, the 3-5 broad wings, consisting of a simple lamina, usually

é truncate ives —Nearest to A. wmbellata. Arizon

BoERHAAVIA WRIGHTII, Gray, Amer. Jour. Sci. 2. 15. 322. Arizona.

CHENOPODIUM ALBUM, L. Utz

CHENOPODIUM FREMONTI, Watson. Utah.

- ATRIPLEX CANESCENS, James. ( Obione, Mog.) Nev

ATRIPLEX CONFERTIFOLIA, Watson. (Obione, sag Nevada and
che

ATRIP A, Watson. (Obione, eee Nevada.

chien saehicink, Wai; Proc. Am. Acad. 9. 9.

SPIROSTACHYS no lage Watson, le. 9. 125. (Talostachys, Wat-
son, King’s Rep. 5. 293.) ‘Nevada, Arizona and Uta

SUDA DIFFUSA, Watson, I. ¢. 9. 88. (8. poor ere “Watson, King’s
Rep. 5. 2

UL Uta
AMBLOGYNE TORREYI, are Proe. pao ‘Acad. 5. 169. San Francisco
Mountains, Arizona.
AMBLOGYNE FIMBRIATA, Gray, Proc. Amer. Aout 5. 168. Nevada and
rizona.

ANTUS ALBUS, L. Arizona and Utah.
ALTERNANTHERA LANUGINOSA, Torr. Arizona.
NITROPHILA OCCIDENTALIS, Watson. (Basdiia, Mog.) Nevada.
PoLyYGonuM PrERsIcARIA, L. Utah.

OLYGONUM AVICULARE, L. Utah.
PoLyGonuM ERECTUM, L. Utah.

‘PoLYGonuM AMPHIBIUM, L.

Utah.
Relogonum C@SPITOSUM, Nutt. fer sine Dore: meine, iat —_ :
ERIOGONUM Pra i Benth. Utah

16

ERIOGONUM HERACLEOIDES, Nutt. Uta

ERIOGONUM UMBELLATUM, Torr. ee and Utah.

ERIOGONUM OVALIFOLIUM, Nutt. Northern Nevada.

ERIOGONUM ELATUM, Dougl. Nevada

ERIOGONUM FASCICULATUM, Benth., var. POLIFOLIUM, Torr. & Gray.
Nevada.

ERI0GoNUM CORYMB BOSUM, Benth. Arizona. a elongated form

Gray, Arizona ; also a form ween var. CONF serene

Gray, and var. 4 tentgetani Benth., but with larger flowers than
usual.

ERINGONUM BREVICAULE, Nutt. Utah.

ERIOGONUM RACEMOSUM, Nutt. Nevada and Utah.

ERIOGONUM WRIGHTIH, Torr. ie sen

vada.
ERIOGONUM GRACILE, Benth., var. _EFFUSUL, Torr. & Gray. Nevada.
ERIOGONUM DEFLEXUM, Torr.
ERIOGONUM CERNUUM, Nutt., “yar. Saaca. Torr. ce soil Nevada.
ERIOGONUM INFLATUM, Torr. Nevada and Ari
CHORIZANTHE RIGIDA, Torr. Nevada or Ari Pret
COMANDRA UMBELLATA, Nutt. Nevada.
Se ARCEUTHOBIUM DIVARICATUM, Engelm. - ined, The staminate plant
only ; the species is parasitic upon Pinus a,
PHORADENDRON F FLA Ades iil Nutt., var. VILLostM, Engelm., i in Gray,
Pl, Lindh, 212.
ver agi Gansadae Nutt. Hngele.; Pl. Lindh. 213. Ari-

XQ go Ae ca

Engelm in Gray, Pl. Fendl.58. Arizona.
~ANEMOPSIS CALIFORNICA, Hook. Nevada.
UPHORBIA SERPYLLIFOLIA, Pers. Uti oe
EUPHORBIA GLYPTOSPERMA, Engelm
nag Pog ALBOMARGINATA, Torr. & aaa Pac. Railroad Rep. 2. 174.

Borworsia FENDLERI, Torr, & Gray, Pac. Railroad Rep. 2.175. Ne-
a.
Woruonws ESULZFORMIS, Schauer, Linnea, 20. 729. Arizona.
\_Eupnorpia MONTANA, Engelm. Nevada.
a are ee TA, Torr., Ann. N. Y. Lye.2 247. Nuttall, Sylva, 1. 133,
t. 39. Ari
URTICA seclpaiety 1S, Ait., var, OCCIDENTALIS. (U. dioica, var. Watson,
King’s Rep. 5.321.) Utah.
HvuMuLwUs Lupuuus, L. Utah.
PLATANUS RACEMOSA, Nutt. (?) Arizona
“ QUERCUS UNDULATA, Torr., Ann. N. Y. ek . 248,t.4. Nuttall, Sylva,

1. 8, ( usiloba, var. depressa, Nutt. Q. dleri, Li bm. ;
mbellii, Nutt.; Q. al r. Gunnisoni, Torr. ; (Q. obtusiloba (stel-

lata), var. Ut d D asii, var. Neo-Mexicana, A. .
; ommon low oak of the Rocky Mountains and W ch,

ranging southward to New Mexico and Southern Utah. It is quite
variable in its foliage. The typical form has oblong leaves with acute _
or acutish entire divaricate mostly triangular lobes, the sinuses reach- —

17

and the rounded or narrow sinuses reaching often nearly to the mid-
rib, it is the more prevalent northern form, Q. obtusiloba, var. depressa,
Nutt., and var. Utahensis, A. DC. The extreme forms appear quite
distinct, but intermediate forms abound, and there seems to be noth-
ing in the flowers or fruit to distinguish na

QUERCUS EmoryI, Torr., Hmory’s Rep. 152, t. 9. (Q. dee} Se )

QUERCUS OBLONGIFOLIA, Torr., Sitg greave’s Rep. (Q.
grisea, Liebm

QUERCUS HASTATA, Liebm., DO. Prodr. 16. 2. 36. (?.Q. ce
Liebm.) Numerous specimens from Southern Nevada and Nor
Arizona, mostly without fruit, very variable in the characters of the
foliage, seem to is) Near to these three best-marked species of
the oaks of that region. @Q. hastata is most clearly distinguishable
by the thin Sateened obtusely rhomboidal and smoothish ‘scales of
the cup. The two former have more thickened convex scales, but are
perhaps not distinct. The size, toothing and pubescence of the
leaves are very variable.

BETULA OCCIDENTALIS, Hook. Northern Nevada and Utah.

ALNUS INCANA, Willd, var. GLAUCA, Ait. Arizona and Utah.

ALNUS OBLONGIFOLIA, Torr., Bot. Mex. Bound. 204. Arizona.

PoPUuLus MONILIFERA, Ait. Nevada.

POPULUS BALSAMIFERA, L., var. ANGUSTIFOLIA, Watson. Nevada and
Utah.

POPULUS TREMULOIDES, Michx. “San Francisco Mountains, Arizona.

SALIX LONGIFOLIA, Muhl. Nevada and U

SALIX NEVADENSIS, Watson, aware Na turalist, 7. 302. New species.
Aments short, 6-8 lines lon pg, appearing with the leaves, ascend-
ing on leafy peduncles; scales oblong, oan glabrous, or subsilky
in the male aments, light: colored ; stamens 2, free; capsules glabrous

d n

even when young, on pedicel ni line long ; style none, stigma
short and thick; leaves lance-linear, 4-1 inch long on flowering
specimens, acuminate, entire, silky tomentose; stipules very minute.
—Asl shrub igh, with light colored bark and yellowis
foliage, growing in sandy soil. It differs fro Hindsiana in its
educed habit, its silvery pubescence, narro re scarious,
lighter-colored and abrous scales, more slender and smoother

capsules, and thicker and shorter s stigmas. Central Nevada. Col-
lected also by Watson (1093), at the base of the Washoe Mountains,
City.

SALIX CORDATA, Mubl., and a var. (?) (= 1096 M hoes Nevada.
SaLix ——— (2) = 1098 Watson). Furnace Creek, Nevada
EPHEDRA ANTISYPHILITICA, C. A. Meyer. Nevada iid Utah. e
PINUS MONOPHYLLA, Torr. Belmont, Nevada. = = ~~ ety 7
PINUS EDULIS, Engelm. Arizona.
PINUS PONDEROSA, Dougl. Arizona and Utah.
PINUS BALFOURIANA, Murr. (P. aristata, Engelm.) San Francisco

i ah

PINUS FLEXILIS, James. Arizona. Also var. MACROCARPA. “ Folia

- Subintegra raro hic inde serrulata apice integerrima; strobili squame
obtuse rotundatze paulo (4-1 lin.) projicientes; strobilus Sree oe
inde minus pony in specie squarrosus.” Hngelm., MSS. n Fran
cisco

a.
re ENGRIAMANS, eae _Same locality *

18

JUNIPERUS OCCIDENTALIS, Hook. Arizona and Utah.
JUNIPERUS COMMUNIS, L., var. ALPINA, L. San Francisco Mountains,
a

NAIAS MAJOR, Roth. Huntington Valley, Nevada. A new region for

this rare species.
EPIPACTIS GIGANTEA, Dougl. Nevada.
SPIRANTHES Rom MANZOFFIANA, Cham. Utah.
(YUCCA BACCATA, Torr. Arizona. Fruit only.

I 2 be}

\GAVE UTAHENSIS, Engelm. Ar aor

\GAVE PARRYI, Engelm., ined. Arizona. Fruit only.
JERATRUM ALBUM , L. Utah.

SMILACINA STELLATA, Desf. Utah.

ada.
*RITILLARIA ATROPURPUREA, Nutt. Nevada.

nopuag shee

ray. Utah.
JAMASSIA ESCULENTA, Lindl. lidependeiion Valley, Nevada.
\LLIUM ANCEPS, Kellogg. Mineral Hill, Nevada.
ALLIUM ATRORUBENS, Watson. Nev vada.
JUNCUS BALTICUS, Deth., var. idig depen Engelm. Nevada and Utah.
JUNCUS XIPHIOIDES, Mey. -» Var. MONTANUS, Engelm. Uta
CYPERUS ROTUNDUS, L., var. ee Gray. Nevada

Nevada,

ad
CLADIUM EFFUSUM, Torr., Ann. ¥ Y. Lye. 3. 443. Nevada.
CAREX OVALIS, Good.
CAREX FESTIVA, Dewey.
SPOROBOLUS CRYPTANDRUS, rie y, and forms. Nevada, Arizéna and
ah. _ var. FLEXUOSUS, Thurb, Nevada and Arizona. A well-
mnarked variety.
SPOROB SOLUS. annoiine, Torr. Nevada.
SPOROBOLUS ASPERIFOLIUS, haa. N sre | Utah.
VILFA RIGENS, Trin. Steud.
MUHLENBERGIA DISTICHOPHYLLA, ae Stendel, Gram. 178. Ari-

Z .
MUHLENBERGIA TEXANA, Thurb. MS. Ari
ERIOCOMA ec Nutt. Nevada and Tnwhk
IPA SPARTEA, Tri U
STIPA IDULA Trin. U ah.
STIPA OCCIDENTALIS, Thurb. Nevada.
ARISTIDA yee Poir. Arizona.
RAPH cee Hegge

Aeron
SPARTIN Lis, Trin
CHLORIS ems Peek. Stendel, ge 204. Nevada and Arizona.
BOUTELOUA C cuR TIPENDULA, Gra Ari

ay.
er cage POLYSTACHYA, Torr., Pac. Railroad Rep. 5, 365, t. 10.

BovuUreLOUA OLIGOSTACHYA, Torr. Utah.
“Arizona UA FCENEA, Torr. . (Chondrosium, Torr., Hmory’s Rep. 153, t. 12.)

TRICUSPIS PULCHELLA , Torr., — Piero. Rep. 4.156. Arizona.
= pestle OBTUSATA, Gray. Uta
* STRICTA, Bol. ua
BULBOSA, Geyer. Nevada.
‘Gxxonnis PAUCIPLORA, Presl. Utah.

PER Ee Te eRe ee Oe ee oe ee ee ee

See opt ke

5 ile I pee ne i aia)

19

BRIZOPYRUM SPICATUM, Hook., var. STRICTUM, Gray. Nevada and Utah.

POA TENUIFOLIA, Nutt. Nevada and Utah.

POA ANDINA, Nutt. Neva

Poa ALPINA, L., var.? (=1312 Watson). Nevada.

ERAGROSTIS PURSHIT, Bernh.? (=1321 Watson ; 631 Hall, in part, 7. e.,
‘¢ EF. reptans, form,” Gray i in Proc. Amer. Acad. 8. 498), Nevada.

FESTUCA OVINA, L. tah.

- BROMUS CILIATUS, L. Utah.

PHRAGMITES COMMUNIS, L. Utah.

TRITICUM REPENS, L. Nevada and Utah.

HORDEUM JUBATUM, L. Nevada and Utah.

ELYMUS CANADENSIS, L. 3

ELYMUS CONDENSATUS, Presl. Nevada and Utah.

AIRA C4ESPITOSA, L. tah.

PANICUM LEUCOPHLEUM, HBK. (P. lacnanthum, Torr., Pac. Railroad
Rep. 7. 21.) Arizon

ANDROPOGON a eens, wo —— Nevada and Arizona.

ANDROPOGON ARGENTEUS, DC.

IMPERATA ARUNDINACEA, ee at stend. Gram. 405. Nevada,

EQUISETUM ARVENSE, L. tah

EQUISETUM LZVIGATUM, A. Br. Nevada and Utah.

ADIANTUM CAPILLUS-VENERIS, L. Nevada and Arizona.

PYERIS AQUILINA, L. Arizona ‘and Utah.

CHEILANTHES FENDLERI, Hook., Syn. Fil. 139. Arizona.

PELLZA WRIGHTIANA, Hook. (. mucronata, Katon. Hook., Syn. Fil.
148.) Arizona.

WOODSIA SCOPULINA, Eaton. Nereis:

gg hh ne HYGROMETRICA, L. Nevada,
USNEA BARBATA, Ach.(?) Arizona.

-

WASHINGTON, D. C., May 10, 1874.

Sm: I have the honor to transmit herewith my report on the botan-
ical results of the field-season of 1873 in Central Colorado. The party
of your command under which this collection was made was in ohne
of Lieut. Wm. L. Marshall, Corps of Engineers. The plants collected
in Arizona and New Mexico w es a enumerated and commented upon
at the close of the present se

It could hardly be expected that ‘the Colorado collection should con-
tain many new species, as the ground had been already so poe
botanized over by Parry, Hall, Harbour, Vasey, Porter, Canby
others. , The collection, however, is large and valuable, and not eatinens
devoid of novelties.

names of several of our most eminent botanists appear over the
orders, the a ae of which they have been kind enough to
esides this, ave received valued assistance from the
same gentlemen, of anh a character that I could not well specifically
allude to it at each instance, and I would here state that especial thanks
are due to Prof. Asa Gray, Mr. Sereno Watson, Prof. D. C. Eaton, Mr.
Thomas P. James, Dr. George bose Dr. George Thurber, and Mr. Jo-
siah Hoopes, for their generous a

I have elsewhere alluded to ie activity of Professor Wolf in the
labor of collecting.

It is also a pleasant duty to say that, but for the interest manifested
by Lieut. Wm. L. Marshall in the work, so fine a collection could not
have been made.

1 have the honor to be, respectfully, your obedient servant,
. T. RoTHROCK,
Acting Assistant Sur geon, U.S.
Gro. M. WHE
First Litacal "Corps of Engineers.

PRELIMINARY. REPORT ON THE BOTANY OF CENTRAL COLO-

Leaving Denver June 12, 187 ri a few of the plants of the plains bor-
dering the foot-hills had already passed the proper period for collecting.
On all sides of us, however, were enough just ready to burst into bloom
to suggest abundant work for the indefatigable botanist of the party,
Prof. John Wolf. Just here 1 would remark that it is thought there were
but few plants in proper condition to collect that escaped his observa-
tion, and the good state of preservation in which the botanical stores
reached Washington is due entirely to the unusual care he bestowed
upon them.

ains may be considered as clearly defined at Apex. After leaving this
place, we began the ascent of the foot-hills, which in their estimated

m
from Central Europe to the heart of our continent, being the equivalent
of nearly 17° of latitude, going north from our starting-poiut. From
some collateral evidence I am led to think the estimate is not far from
correct.

During the latter part of June and most of July the botanist was
busily engaged in South Park, having there the flat portion of the park,

from the plains, this portion of the park in some respects represented
ills.

p
9,300 feet above the sea. From this height up to almost 14,000 feet the
botanist could range through successive alpine zones of vegetation in
a single day.

July 22, we left South Park, and on the 23d crossed Mosquito Pass,
thus allowing the observations taken on the Argentine Pass to be
repeated a month and a half later in the season.

July 24, we camped at Twin Lakes, the altitude of which is about
9,400 feet. This was a specially fortunate center for botanical investi-
gation, allowing the quiet water on thelake-shore, the mountain-streams
pouring into the lake, the barren stretches of open ground along the
Arkansas, and the mountains to the west of camp, all to be readily
reached. The deep, shaded ravines, filled with moisture from the
streams, which rushed with headlong speed from precipice into chasm,
were favorite retreats for the mosses and well repaid the investigation

24

of Professor Wolf. There was a whole group of plants, indeed, which
we found nowhere else. Among them were Primula Parryi, Saxifraga
estivalis, Moneses uniflora, and Adoxa Moschatellina. ;

n September this camp was broken up and the party moved to the
San Luis Valley, via the valley of the Upper Arkansas and Poncho
Pass. Though late in the season, a fair number of plants not hitherto
found by us were collected.

mained several weeks in the valley, adding largely to the col-
lection, and toward the last of September started for Loma, on the head-
waters of the Rio Grande. Owing to the lateness of the season, but
few plants were obtained here. Among them were some novelties to
the collection. I would especially name Loma as a point worthy of fur-
ther botanical work. At this place plant-collecting was abandoned for
the season.

FLORA OF THE OPEN GROUND.

plains, which has not escaped the notice of casual observers. The
hoary, dry, stunted plants, with the great preponderance of yellow and
red flowers, when compared with the more living aspect of the mount-
ain-flora, actually compels a contrast in the mind.
0 what is this difference due? Meteorological statistics from Colo-
rado are as yet meager in the extreme. Up to 1872 from only three
ints did we have observations for a period of over one year. Such
at least is the showing of Mr. Schott’s “ Tables and results of the pre-
cipitation in rain and snow in the United States,” and neither of these
points was fairly within the grasp of the mountains, so that any com-
parison must be somewhat lame. If, however, we sum up, and average

é taken as an approximate: estimate for the more open country just
east of the main divide, beiug probably greater than the fall farther
east, and certainly less than that west.

ompare this with 39.87 inches, which is the mean precipitation for a
series of years in West Virginia. This State is selected because it has
some points of similarity to Central Colorado, and because its precipi-

is far from excessive. The difference is so great as to suggest

_ ated back into space at night. I cannot better illustrate the full import
_ of this fact than by a quotation at second hand from Tyndall : “Aqueous

25

vapor is a blanket more eet to the vegetable life of England than
net ee to man. Remove for a single summer-night the aqueous
vapor from the air which pediabooads ‘this co ountry, ‘and every plant
etic. of being destroyed by a freezing temperature would perish.
The warmth of our fields and gardens would pour itself unrequited
into Space and the sun would rise upon an island held fast in the iron
eee
hak being the climatic conditions, somewhat, of the soe
dur sce ‘the growing ‘period of the year, it does not seem strange that t
portion of the flora should be as peculiar. The diurnal range of ie
perature during the summer-months is at times immense. In South
rk I have seen the temperature as high as 90° Fahr. at 2 an
on rising the next morning find a film of ice coating the little aceumu-

s
ee all be destroyed under such an alternation of heat and frost for

after year. The plants, then, that we do find iucviene are, aS &
ile, more dwarfed, more villous, and oa Perce tissues than those of
m

of water in their tissues, retaining that which they possess under the
double guard of villosity and contraction. I am aware that Mr. Wat-
son, in his most valuable report on the Botany of the Fortieth Parallel,
is prepared to admit a large evaporation from the more succulent por-
tions of t a
mo natonoua character of the flora of the driér Aiceage does, in

some measure, disappear, when, on examination of these plants, so
uniform in general appearance, we find a large number of genera and
species differing from one another by the small amounts compatible ee
their surroundings. This (the surroundings) in part at eu Haas
predomination of some orders and often of genera. W

what similar condition of things in the center of greatest development
of the Proteacee in Australia or the Pelargoniums in Sout

Compar ete 8 few a our eastern plan are found in ey ‘open
grounds, and where one does occur it is apt to be a cosmopolitan weed,

whose pliant sonbatition adapts it to any condition of life as well as
to the hostility of man. Polygonum aviculare and Chenopodium hybridum
are examples, Among the exceptions to this statement is Ranunculus
cymbalaria ; but its natural habitat on the pret! open lands is, by
choice, alkaline soils, where, for a portion of the year, at least, it ean
obtain moisture, just as with us it frequents salt- diaeshie and the sea-

Among the mountains, on the contrary, we find a larger pra! of
fameiine ‘laa Indeed, the list is so large that it soa be a eal labor
to begin the enumeration. Those plants embraced under ate common

me of weeds are from necessity found usually on the roadsides and
— regoommitig: just where they can be transported by human agency,
ind, among vata Speipmant water. It is soadert with what

FLORA OF THE MOUNTAINS.

neers the level ground, we at once come fairly within et Tange of
the timber. In South Park, this is not far from 10,000 fee cise pr
= projections of trees do extend lower down; but I refer a ‘the mai

body of mare rests.

26

At Twin Lakes the timber begins at about 9,500 feet. In the San Luis
Valley it is much lower, about 6,500 feet above the sea. Here, owever,
the lowland coniferous growth is made up entirely of Pinus monophyl-
lus * and Juniperus Virginiana.

It seems that where the hills begin fairly, they have been seized at
once by some tree. Cottonwood-trees appear both on the plains and

e tree
remains at intevals, these disappearing, and then only the half-decayed

the young trees out. A notable example of this was seen in one portion
of the foot-hills, where a whole forest of Pinus monophyllus lay prostrate,

N-
is is especially marked at the lowest limit of the trees. Per-
haps mere “ rotation of crop” may serve to explain the change.

The timber-belt ends at about the greatest center of development of
the nutritious bunch-grasses, though these do extend in magnificent
growth up into the open valleys and among the less dense timber to an
altitude of nearly 11,000 feet.

uth Park to the New Mexican line we regularly found abun-
dance of this forage on the eastern Slope of the main chaius. In the beau-
tiful valley ot the Conejos River, after striking the timbered region, we
ound luxuriant bunch-grass covering the ground as thickly as it could
stand. In November it was still green about the roots, and was eagerly

up of Pinus contorta, Pinus ponderosa, Abies Menziesii, Abies alba, and
Abies | Abies Douglasii seemed more 2 ‘Somewhat
less elevation. Pi derosa was frequently seen to extend in full

*I here accept the determination of Mr. Josiah Hoo who has given this order
— attention, though other botanists call the Fi in qnaeeinn Pinus edulis,

27

In this belt (from 9,500 to 10,500 feet) Berberis aquifolium formed a
lly in the more open woods.
The herbaceous vegetation of the same zone is well represented by Cas-
tilleja pallida, Parnassia parviflora, Pedicularis Grenlandica, Habenaria
dilatata, Polygonum bistorta, Trifolium dasyphyllum, Senecio triangularis,
Gentiana detonsa and acuta, with several species of Pentstemon.
From 10,500 feet to timber-line, (approximate estimate, 11,500 feet,) a
change more or less marked occurs in the vegetation. This zone em-

mountain-strea
flora should be found here. Pinus flexilis, continuing over from the lower

orm rbaceous

vegetation is represented by Primula Parryi, Adoxa Moschatellina, Trol-
lius laxus, var. albiflorus, Caltha leptosepala, and Trifolium Parryi ; the
first four finding in the cold streams and snow-fed bogs most congenial
jomes. '
At timber-line a most complete change comes over the landscape and
with it over the flora. Pinus Balfouriana, after becoming more and

full force upon the tree, it lies prostrate, with the top always pointing
eastward, and having just enough of leaves, often, on its stunted branches
si f

timber-line up, the surface may be bare of all vegetation, and
mass of rocks, (usually voleanic,) or it may be more or less
i d of

Ww
for closely. Even these disappear as we approach an altitude of 14,000
feet, and there remains then hardly anything except Claytonia arctica,
whieh sends its long thick root deeply down among the rocks after its
TIMBER.
Pinus contorta, Dougl.—(“‘ Twisted-branched Pine;” “Red Pine.”)—
This tree grows 40 feet high and has a diameter of about a foot; wood

is coarse-grained. Where nothing better offers, it may be sawed into
ards. © -
‘Pinus flevilis, James.—(“American Cembran Pine.”)}—Attains in Cen-

28

tral Colorado a height of 50 feet in its best situations, with a diameter

of a foot and a half. The shape and color of the cones as well as the

pliable character and white wood of the young shoots are, as Dr. Parry

has already noted, strikingly suggestive of the White Pine of the East.
TO

t 8.
Pinus Balfouriana, Murr.—This tree is seldom if ever found at an alti-
0 e

ae
S
=
5
4
a
oS be
cé
©
ar)
ct
Ee
®

inus ponderosa, Dougl.— West.)—This is the
largest and most valuable of the trees in the region surveyed during
the past season. It makes the best lumber the country affords, and,
besides, is quite abundant, though this fact will probably be the reason
why it will be the first to be extirpated before the growing needs of an
Increasing population. In the valley of the Conejos River it was found
growing 60 to 70 feet high, with a diameter of hearly a yard.

Abies Douglasii, Lind|.—Tree 60 to 90 feet high, though becoming
much smaller as it ascends the mountain-sides. As a timber it is only
middling in quality. It does well for beams, &c. It becomes much
larger and more valuable on our northwest coast and has fewer knots
than on the Rocky Montain ranges. It is known according to Mr, Wat-
Son in the Uintah Mountains as “ Bear River or Swamp Pine.”

Abies Menziesii, Lindl.—This tree attains an average height of from
50 to 60 feet. Timber hard and coarse-grained, but is serviceable for
rough work.

Juniperus Virginiana, L.—A much branched dwarfed tree, found

foun
associated with the Pifion-Pine. It is of great value as furnishing the

hade.
It may be well to remark that, on almost any if not all of the ranches
where irrigation is possible, in a few years the settler may relieve the
constant glare of the sun by a fine thrifty cottonwood-grove about his
buildings. Ja5 ESAS has so often succeeded that it is no longer

to.
is true of the region east of but bordering the foot-hills as far south as
the survey extended this year; the certainty (other things being equal)

é

= «2

—_

29

increasing toward the south. Grasses and sedges suitable for grazing
purposes flourish in greater or less abundance, especially as the foot-

between the two classes of herdsmen. An equitable division of the
public lands would be to confine the Sheep to the region of the shorter
grasses, and giving cattle and horses the range of the taller bunch-
grass. Of course, when the land was definitely settled, surveyed, and
paid for, the proprietor would consult his own individual interest.
Along our route the possibilities of agriculture died out as ‘we ap-
proached Georgetown, though here and there an acre under cultivation
showed that the farmer must have received some return for his labor.
The valleys still furnished a fair quantity and quality of bunch-grass.
We leave the country between Georgetown and South Park ont of
the question for ‘agricultural purposes. There were, as usual, some

main valley at right angles all produced abundance of bunch-grass,
though not so luxuriantly as South Park. In crossing into this valley
from South Park, we had made adescent of some 400 feet, and found as

ew large enough to be eaten before the early frosts destroyed the tops.
It is not improbable that some of the hardier grains might be raised at
this point. By September, the yellow leaves on the cottonwood-trees

30

along the mountain-slopes indicated plainly enough that we had reached
the limit of the “ growing-season” there.
_ _ Reports reached us of fertile valleys with abundant pasturage west of
Twin Lakes.
The first fairly good farm we saw after leaving Denver was that of
Mr. Lenhardi, on the Arkansas, twelve miles below Granite, August
27. We found that Mr. Lenhardi had just finished his harvest. h

ae
» @

po)

oF

belt of fertile land that the ranches were often over a mile long, and
hence, to include the legal one hundred and sixty acres, could not have
been wide at any point.

Following down this valley, we saw the first flouring-mill at Chalk
Creek. It was probably the best indication that we were not far from
the northern limit of successful cultivation of the ordinary cereals.

Leaving the Arkansas Valley at McPherson’s ranch, we crossed the.

Saguache Mountains via the Poncho Pass, which is reported as 8,600
feet high. It is probably somewhat over this estimate, though still far
below timber-line. South of us lay San Luis Valley, concerning the
agricultural value of which there are so many contradictory reports.

ttlers in the valley are loud in its praise; others are, asa rule, loudest
in their disparagement of it. It may he premised that snow seldom

0
divisions of the valley:
First, that portion bordering the water-courses, where the soil is con-

ig “Breaking it up” is simply preparing a vast compost pile for

The following facts were obtained from Mr. Frank Brown, one of the
most reliable men in the valley: Oats per acre produces 40 to 50 bush-

and cabbages yield well and grow toan immense size. I can personally
vouch for the truthfulness of most of these facts. (I find look-

ritory. Fall-grains have not yet been extensively enough tried to test

ps.
Along the Carnero, Logarita, and Rio Grande. the soil is not so pro-
ductive of large crops as the Saguache region ; but, to offset this, it is

(31

found that the crops are perhaps less likely to be injured by early fronts
and a larger variety of productions may be depended upon. In fact, all
our ordinary garden-vegetables grow on the banks of these stre eamns.
Despite all that has been said of the general ee qualities of
sedges as a forage, the stock in the San Luis Valley thrives the year
around on them. There, over thousands of athe these plants grow

Irrigation is possible anywhere in this first caf he and water (slightly
brackish) is usually obtained by digging a few

The second division is made up of the higher vate perene reach of
irrigation. The soil and its productions “undergo a complete oben
Gramma-grass, chico, and greasewood are here the prevailing grow
The soil is unpromising in appearance, yet would, if irrigation were se
sible, produce fair crops. It will not be likely to be brought under the
domain of agriculture for many years. Most propitious nance are, in
the absence of water, absolutely required for this kind of soil. It is,
however, the legitimate sheep-walk of the valley.

e third division are the sand-wastes, hese there is no water and
sleoes no vegetation. Even the chico and sage-brush are pare hie
to live there. I know of no use to which it can ‘be put. There some

sheep occasionally found on it, but they derive most of their subsistence
from the adjacent vega, or lowland.
I pies also, that in the smaller valleys between spurs oe the

mountains, bunch-grass is found in considerable quantity. The pifon-

roves farnish shelter and a certain amount of gramma-grass dnted the
she for the herds that frequent them

» Loma, south, wheat has long been S regatat crop. Corn, too

olen ant ears with certainty at Cone It not unlikely that
they could ies igh in size by the aah kia ae thorough accli-
mation ig te
bird a. ares sepia from a reliable and accom Biehed :

av
Be a5 of Colorado, which is importan ts and probably as much i
place here as in any other yssten of the r
Yours of the 9th of March eceived, and oe reby ask leave to corre
in the report which [sent you, Fa i estimate of the area senlicble
for agricu purpo orado. estimate was made upon the generally
Pp iling idea that only the valleys adjacent to the streams of wate Id b ti
vat ore and careful estimate has since been ma a u-
lation of the amount ef water annually discharged throug r mountain-streams and
the amount re tor thorough irrigation, showing that about 7,000,000
ay be cultivated by properly using e water from the streams hould
artesian wells be successfully opened, the agricultural land would be increased, as it is
t land, water, which puts the limit upon our available agricultural resoure
Respectfully,

L. A. PHILLIPs.

Enumeration of plants collected in Central Colorado by Prof. John Wolf,
during the field-season of 1873, and under the auspices of the Wheeler
exploring condition party No. 2; Lieut. William L. Marshall in com-

RANANCULACEZ.

CLEMATIS DoveLastt, Hook. Banks of Clear Creek. June. (92.)
C, LIGUSTICIFOLIA, Nutt. Valley of the Upper Arkansas. September. :

WG, Petits. Nutt., var. with smaller, more toothed leaves, which

32

evince a disposition to be trifoliate rather than pinnate, with five
leaflets ; fruit typical; male flowers not seen. (90

C. ALPINA, Mill., var. OCHOTENSIS. Subalpine ridges among timber.
June. Ae

ANEMONE MULTIFIDA, DU. South Park; altitude, 9-11,000 feet. (105
and 103.) ;

A. ae L., Rgl. Clear Creek and South Park; altitude, 6—10,500
feet. 07.)

A. NARCG ce oa. L. Sgr ane of Grant’s Peak. (102a.)

RANANCULIS AQUATILIS, L., var. STAGNATILIS, DC. Denver. June.
Flowers almost as cei as in A. Purshii.. (112 and 114.) Var. trico-
phyllus, oT on “Lakes altitude, 9,500 feet. (113 and 115.

R. FLAMM , Var. REPTANS. Common. Var. jiliformis (R. reptans,
i, Var. 3 filiformis, DC., and in T. & G., Fl. N. Am.) (172 and 173.)
R. Cymparanta ursh. verywhere in low moist ground, evincing a

choice for pisos a but flourishing in the freshest of snow-water;

altitude, 5-10,000 feet. From Saguache, in San Luis np itl we have
a form with erect, Aen scape, bearing three or four flowers, having
thicker and larger r leaves, and manifesting little or ate tendency to
oe, stolons. _ a

R. AFFINIS, R. Br. Gray. (KR. age a3

Hook.) “Altitude, 8-9 ‘000 ‘feet. Fnean 1d TH ly. (121.and 170.) K.agfinis

R. Br., r.#,Hook. Exactly ume plant of Plate “4p Fi. ae Am. (120. )
In my Ni ihe ns the hairy carpels of var. § afford by far the most
marked distinction from var. cardiophyllus. The arenes | - & are also
larger than in the other variety.

R. GLABERRIMUS, Hook. Leaves rather lanceolate than ovate. Plate v,

R. SCELERATUS, L. 5 ase leaves with manifest tendency to division
of the lobes; otherwise like our eastern form. (99, 110, 111, 116.)

R. PuRsHu, Richardson. Among my specimens are a large number with
petals trifid and the seale distinetly 3-lobed. Twin Lakes; altitude,
9,500 feet. July and August. (117.)

RK. HYPERBOREUS, Rottbell, var. NATANS, (C. A. Mey.) Twin Lakes; alti-
tude, 9,500 feet. (100.

R. RECURVATUS, Poir. Style not conspicuously apna: but in de-
gree of hairiness, compressed achenia, relative siz sepals and
petals, shape and dentition of es markedly Mevicwpondind with de-
scription as given by T. &

R. ADONEUS, Gray. Apex. Tn signal description of this plant, pebies
refers to it as Neste strictly alpine. Our specimens from the sam
region were collected at an altitude but little greater than that of

Denver, which is 5,317 feet a the sea. (118.)

MYOSURUS MIN IMUS, L. Blue River. June. Dwarfed. Altitude, 8,000
feet and upward. (169.

CALTHA LEPTOSEPALA, DC. Common in the mountainous portions of
Colorado ; altitude, 8.12600 feet. (109.

TROLLIUS LAXUS, Salisb., var. ALBIFLORUS, Gray. South Park ; alti-
tude, .0-12,000 feet. C oa bogs. July. One of the most conspicuous
early flowering alpine plants, and where found usually blooming in
great profusion. (102.

AQUILEGIA CazRULEA, Torr. Open woods; common; altitude, 10,000
feet. ston fe (163.)

DELPHINIUM ELATUM, L., var. rier 84 of Parry’s collection. In general
habit a specimens bear a strikin resemblance to D. scopulorum,
Gray, being quite too peel with leaves and their divisions too nar-

Sr a 5 a ae ee BS

See

33

row to accord with the specimen [ have from collection of Hall and
Harbour, but the lower petals are so decidedly those of D. elatum
that I am constrained so to name it. (96.

D. MEnziEsu, DC. Snake River. Jt une.

ACONITUM NASUTUM, Fisch. Comparing plants of the present collec-
tion with those of the same species in collection of Hall and Harbour,
[ find them shorter, more leafy, with larger flowers, and much nar-
rower lobes to the leaves. (98.

ACTHA SPICATA, L., var. ARGUTA, Torr. Flowers absent. Pedicels
vary from less than a quarter rh le than half an inch in length oy
the fully-formed fruit. There is no perceptible thickening of the
icel with age, and this I take to = the most reliable Giumnenadiate
furnished by the fruiting specimen

HALICTRUM ALBINUM, L. South Park; ; altitude, 10 ,000 feet. Typical
specimens large. (94.

T. FENDLERI, Engl. South Park; altitude, 10,000 feet. Only female

specimens obtained. (93.)

BERBERIDACE®.

BERBERIS AQUIFOLIUM, Pursh. West of the main range, on Snake
River. June. (57.)

FUMARIACE2.

CORYDALIS AUREA, Willd., var. CURVISILIQUA, Eng. Everywhere
common in the mountains, and flowering from May through July.

CRUCIFER.

NASTURTIUM SINUATUM, Nutt. (618.) San Luis Valley, on the alka-
line flats; leaves abso rf utely coriaceous though beautifully and regu-
larly pinatifid. 625 is from Apex; like the other, though with much
thinner leaves.

N. optusumM, Nutt. Twin Lakes. (617.)

N. PALUSTRE, DC. Twin Lakes. (627.

N. PALUSTRE, DC., var. HISPIDUM , Gray. San Luis Valley. September.

626.

ARABIS HIRSUTA, Scop. South Park. Twin Lakes. (650, 652.)
A. DrumMMoNDU, Gray. South Park. July. (ane «)

- RETROFRACTA, Grah. Common and variab

CARDAMINE CORDIFOLIA, Gray. Clear Creek st South Park. (608,

0.

Vestoanra Lupoyictana, DC, Clear Creek Caiion. June. In flower.
- (647.) Subalpine.

V. MONTANA, Gray. From dry plains of South Park. With straighter
pedicels, smoother and more oblique fruit than the specimens far.
nished by Hall and Harbour. (641.)

PHYSARIA DIDYMOCARPA, Gray. Clear Creek and South Park. Alpine
and subalpine. (642, 648.)

DRaBa ALPINA, L. South Park; at from 12,000 to 13,500 feet elevation.
646.) July.

a ack Vahl. Alpine woods. July. (633, 634.) _

D. STREPTOCARPA, Gray. Alpine, along with aurea. My specimens
_ farnish a Tee anne example of transposition of characters us usually reli--

. istinguishing between these species; 7. ¢., awrea and strepto-

34

carpa. My specimens, which have the fruit most characteristic of
streptocarpa, are in other eae most like (generally ineludin g the
length of style also) aurea. I must, however, say that the fruit is in
no instance so much twisted as in ‘she original specimens on which
streptocarpa was founded. That differences sufficient to constitute

teh species exist between the extreme forms no one will probably —

It is equally certain that they both shade into one another
ou at oa all tests are doubtful and justify a place under pies
name. These species furnish a “reductio ad absurdum” to the idea
that Brgy forms so connected must be considered a one spaaioe

aure as no fine stellular cabins interm ed : re on more
on this | eiaeaotee | in deciding between sntonlipin srecioveite than on
any other.

D. NEMoRoSA, L. Stems leafy; pedicels about as long as the silicles,
which are pubescent on their e edges, becoming, however, glabrous with
age. My specimens have the flowers bright yellow on opening, and a
clear white when a day older, before even they begin to wither. (637.)

D. NEMoROSA, L., var. LUTEA, Gray. Georgetown. June. (628.

D. NEMOROSA, oS var. ORASSIFOLIA, S. Wats. Open woods, 10-11,000
sci (636.) (635 i is a still more reduced form from still greater alti-

tudes.) Some extreme forms to me look quite near D. Carolin niana,
Walt., var. micrantha, Gray, to which I apprehend they will yet be

D. incan, L., var. conFuUSA, Hook. Plant agrees with authentic her-
barium speciinens bearing the above label. ‘(Number mislaid.

SISYMBRIUM CANESCENS, s, Nutt. One form of which exactly resembles,
so far as I can determine in the absence of fruit, the var. Y of T. & G.
(598, 611, 612, 614

SMELOws SKIA CALYCINA, Meyer. Aipine in Central Colorado. (601.)

ERYSIMUM CHEIRANTHOIDES, L. Twin Lakes; altitude, 9,400 feet. July.

651.)

E. ASPERUM, DC:, var. ARKANSANUM, Nutt. Ki. Carson, Clear Creek,
South Park. (593, a 599, 640.

BE. ASPERUM, DC., var. PU UMILUM , Watson. Blue River. (594.

E. VIRG. GATUM, ay: "(Sisymbri ium virg gatum, Nutt.) South Park, Clear
» Creek. (605 , 60

THELYPODIUM core uae toon, Endl. Dwarfed specimens. South
Park. August.

CAMELINA SATIVA, Crantz. Apex. ttinded. (004.)

LEPIDIUM INTERMEDIUM, Gray. Specimens too young. (597.)

s : MONTANA, ate San Luis Valley. Fruit and flowers in Septem-
(624.

THLASPI ALPESTRE, L. Clear Creek, and common in goog et sub-
‘alpine regions of ‘Central Colorado. I have no means of c yaring
it with the European specimens s, but accept Mr. Watson’s meta
in regard to it. Certainly it is very variable. (607.)

CAPPARIDACE®.

CLEOME INTEGRIFOLIA, T. & G. Dry plains. August to September.

C. Sonor &, Gray. San Luis Valley. (761.)

35
VIOLACE®.

VIOLA CANADENSIS, L. Apex. June. 78.)

V. CANINA, L. (56 of Hall and Hatbotes Snake River, west ot the
main range. June. (75.

V. NUTTALL, Pursh. Denver. June. (76.) .

_CARYOPHYLLACEX.

Ciena ae L. (352.)

C. ARVENSE, L. South pees FN leans July. (348, 350, 351, 353.) _

eee JAMESIANA, Je

S. LONGIPES, ae Wea jae above Georgetown (east branch).
South Park.

S. LONGIFOLIA, fant Twin Lakes. July. (338.)

ARENARIA FENDLERI, Gray. * South tages, in dry places. July. (349.)
Also var. sub- -congesta, Watson. Twin es.

A. VERNA, L., var. HIRTA, Fenzl. eases Paes. July. (345, 346.)

A. ARCTICA, Stev., var. oBTUSA, T. & G. South Park, at 11,000 to

64.

A. ALprva, L. South Park. Alpine. (343.)
A. Rossu, R. Br. South Park. July. ere (344.)
A. LATERIFLORA, L. Twin Lakes. July. (347.)
Sacina Linnz1, Presl. South Park. July. (341, 342.)
PORTULACACEA.
PORTULACA OLERACEA, L.(?) Too old to determine with certainty.
San Luis Valley. (989.)
TALINUM PYGMUM, Gray. Snake River. June. (73.)
CLAYTONIA AROTICA, Adams, var. MEGARHIZA, Gray. 13,000 to 13,800
feet. Gray’s Peak and mountains of South Park. (74.)
ELATINACEZ.

ELATINE AMERICANA, Arn. Twin Lakes, San Luis Valley, Rio
Gaaurds at Tomi. (775, 776.)

HYPERICACE®.
HYPERICUM SCOULERI, Hook. Twin Lakes, San Luis Valley. (61, 62.)
MALVACEZ.
SIDALACEA MALVZFLORA, Gray. Valley of the Upper Arkansas.
14.)
Ses Vinee COCCINEUM, pres Plains, South Park, and San Luis
Valley in dry situations. (12.)
SPH HRALCEA INOANA, Torr. (13.)
LINACEZ.
LINUM PERENNE, L. Apex, South Park. (66, 67.)

36
GERANIACE A.

GERANIUM RicHAaRDsont, F. & M. South Park. J uly. (758.)
G. FREmMontn, Torr. South Park. J uly. (759.)

SAPINDACEA.

ACER GLABRUM, Torr. Common along mountain-streams. (1.)
LEGUMINOS A.

and Mr. Sereno Watson. It is but justice to them to state that the

r 8 done under great pressure for time. It is nown, how-
ever, that the determination may be relied upon as being as accurate
as is possible under the circumstances. The names alone of these gen-
tlemen are a sufficient warrant for this assertion.—J. T. R.]

VicIA AMERICANA, Muhl. Denver. June. 186.

LATHYRUS PALUSTRIS, L.(?) Clear Creek. June. (187.)

L. LINEARIS, Nutt. Denver. June. (185.

GLYCYRRHIZA LEPIDOTA, Nutt. Valley of the Upper Arkansas. (190.)
PSORALEA FLORIBUND4, Nutt. (858.

]
2
1

», LANCHOLATA, Pursh. Denver. June. (181.)

‘RIFOLIUM NANUM, Torr. South Park ; altitude, 13,000 feet. (175, 874.)

. DASYPHYLLUM, T. & G. Gray’s Peak. July. South Park. (182,

183.)

T. PARRYI, Gray. Twin Lakes, South Park; alpine. J uly. (177, 184.)

T. INVOLUCRATUM, Willd: Valley of the Upper Arkansas River. (176.)

HOSACKIA PUBERULA, Benth. (191.

ASTRAGALUS CARYOCARPUS, Ker. Denver. June, (232.)

A. ADSURGENS, Pall. South Park. July. (336.

A. HYPoGLoTdis, L. (231, 242, 867.) South Park and Apex.
UMMONDII, Dougl. Apex. June. (215.)

A. RACEMOSUS, (Pursh.) Apex. June. (216, ie

A. GRACILIS, Nutt. Kit Carson. Plains. June. 8.)

A. ABORIGINUM, Richards. Dwarf. South Park. July. (249.)

A. bernie cn Hornem., var. AMERICANUs, Gray. South Park. J uly.

A. ALPINUS, L. South Park. July. (245, 246, 2112)
~ (239

A. TEGETARIUS, 8. Watson. South Park. July. (243.)
A. CAMPESTRIS, Gray. Blue River. June. (218, 320.)

A.———~. South Park. July. Alpine. (227, 251 7)
29, 244?

A. H

OXYTROPIS MULTICEPS, Nutt. Gold Hill, 213.
MBERTI, Pursh. Oro City, Kit Carson, (220-224.)

O. SPLENDENS, Dougl. South Pa

: TK. July. (22. +)
DC. South Park. July, (217.)

O. D:

37

O. viscipA, Nutt. South Park. July. (252.)

LUPINUS ARGENTEUS, Pursh. Mosquito Pass. (196.)

L. ARGENTEUS, Pursh., var.. DECUMBENS, S. Watson. Near ‘Gray’s
Peak. (197, 202.)

L. SILERI,. S. Watson, sp. ined. Rio i Sieg at gs (195.)

L. cassPrtosus, Nutt. Blue River. Rey (200.)

L. PUSILLUS, Pursh. Denver. Jun .

THERMOPSIS FABACEA, DC., var. ieee. Gray. Denver. June.
(201.

SOPHORA SERICEA, Nutt. Kit Carson and Apex. June. (238.)
DESMANTHUS VELUTINUS (2). (192.)

ROSACESS.

PRUNUS DEMISSA, Walp. Twin Lakes. August. (200.)

SPIR4A DUMOSA, Nutt. Valley of the Upper Arkansas River. Sep-
tember. (401.)

RUBUS STRIGOSUS, Michx. eee Pass. July. (388.)

R. DELICIOsus, Torr. Apex. Jun 389.

CERCOCARPUS. PARVIFOLIUS, N atte "Common on dry ridges, at about
10,000 feet altitude. Flowers in June and July. Frait matures in
August. (69, 980.

DRYAS OCTOPETALA, L. South Park; altitude, 12,000 feet. July. (399.)

GEUM MACROPHYLLUM, Willd. Twin Lakes. uly. 380.

G. TRIFLORUM, Pursh. Blue River (west of the main range). June,
394,

era L. Twin Lakes. July. (381.)

G.-Rossit, Seringe. Alpine, at 12, Meg to i3 ,000 feet. (385.) (387.)

FRAGARIA VIRGINIANA, Ebrh.

FALLUGIA PARADOXA, Torr. San cee Valley. Fruiting in September.
398.

Susana PROCUMBENS, L. South Park; 11,000 feet. July. (403.)

POTENTILLA GLANDULOSA, Lindl. Apex. ’ June. (379.)

P. RIVALIS, Nutt. South Park. July.

P. PENNSYLVANICA, L. South Park, Suiys Twin Lakes, August. (374.)
3

ft HIpprana, Lehm. Dry plains in South Park. July. (367) (209.).
P. PLATTENSIS, Nutt. Twin Lakes and Blue River. (376.) (377.)
P. DISSECTA, Parsh. Mosquito Pass and South Park. June and July.
(371.) (378.
P. GRACILIS, Dougl. South Park. July. (368.) (372.)
P. HUMIFUSA, Nutt. Georgetown. June. 8,500 feet elevation. (365.)
366.

P. FRuTICOSA, L. South Park. July. (383.)

P. ANSERINA, "L. South Park. July. (382.)

IVESIA GoRDont, T. & G. Buffalo Peak in South Park. 12,000 feet
altitude.

Rosa BLANDA, Ait. Twin Lakes. July. (391-393.)

R. ARKANSANA, Porter. (Syn. Flora of Colorado, p. 38.) Twin Lakes.
July. Growing in company with R. . 390 )

tic aes CANADENSIS, T. & G., var. ALNIFOLIA, T. & G. (396

SAXIFRAGACE.
Spee HIRCULIS, L. Twin Lakes. (799.)
eae Pursh. Silver-Heels Mountains ; altitade, 12,000
‘hoe ( 799 ~

gf

38

S. FLAGELUARIS. Willd. South Park; altitude, 12,000 feet. (797.)

S. BRONCHIALIS, L. Twin Lakes, South Park, Clear Creek. July to
August. Rocky esi (802.)

S. PUNCTATA, L. (8. cs es hee Twin Lakes. Moist, shady ra-
vines. Altitude, 11,000 fee

S. NIVALIS, L. Under this I Goad ‘tn merge S. Virginiensis Michx. I can
see no propriety whatever in keeping up the distinction. South
Park. July. (795.)

S. NIVALIS, L., var. GRAYO. Exactly 193 of the Parry, son and Har-
bour collection. Dr. Gray states that the “ limits betw n 8. nivalis,
Virginiensis, and integrifolia are not obvious.” For this evariety I an-
te (as we know it better,) the rank of a distinct species. Half-

n Creek ; altitude, 11,000 feet. August. (7

Ss. pectin h L. 1960f the Parr y, Hall, and Harbour collection.
From the old leaves at the roots of my specimen lI incline to regard
this as biennial, though the roots do have an annual appearance.

(798.)
TELLIMA TENELLA, Hook. & Benth. (evidently, though quite too Peter
Blue River, near ‘Breckenridge (west of the main range). (800.) (982.)
HEUCHERA PARVIFOLIA, Nutt. South Park and Clear Creek. (804,)

805.)

brinch PARVI UI Ae ‘DC. Mos of the Upper Arkansas River.
August. (63.) Twin Lakes.

P. FIMBRIATA, Banks. Twin taken August. (65.)

JAMESIA AMERICANA, T. & G. Clear Crock: anon: Grant post-office.
Rocky ledges. (68.)

RIBES HIRTELLUM, Michx. South Park. (8.) (11)

R. LEPTANTHUM, Gray. Poncho Pass. (4.

Ki. LACUSTRE, Poir., var. SETOSUM , Gray. South Park. July. (3:)

R. CEREUM, Dougl.. South Park. nn une

! n (10.)
R. Wort, Rothrock (in American Nathraltst; Mas, 1874). (R. sangui-
neum, Pursh., var. variegatum, Watson, King’s Report, vol. v, p. 100.)

2 to 4 feet high. Neither prickly nor spiny. Moderately branching.
Young branches light-brown; minutely glandular-pubescent ; some-

hairs, pale-green ; upper surface smoother and deeper green; petioles
in fully developed leaves from 1 to 14 inches long, margined by a con-
tinuation of the veins of the blade, expanded at base and becoming
semi-amplexicaul, frequently strongly pectinately ciliate and glandu-

: " pednlile 1 to oe See long, decidedly glandular-pubescent, 4 to

10-flowered; bra a ee obtuse, yellowish-white (ocea-

sionally verging vale ds red), 1 to 1} lines long and 1 line shorter
than the pedicels, which are a little longer than the ight

Se ot - red, Dorrit a ese 14 lines long, never reflered ; petals

ong as the sepals, equaling the ne

ee eiyiac: ego, eiietinode pe from the top of the ovary, red for half

39

their std parted to or below the middle, recurved; stigmas
ns ined capitate.

ung fruit strongly glandular hairy, but never prickly, becoming
Bsvother with age; mature fruit maroon or reddish-purple, globose,
three-eighths of an inch in diameter, few to many-seeded, edible ;
seeds distinctly wing-margined, with the ni coat, as seen through
the gelatinous covering, longitudinally dott

It will be seen that this am ea apes both, R. Absepert cis. Ben th.,

discoverer, Professor Wolf.
Habitat. ” Rocky places, at Twin ais and Mosquito Pass; at an
altitude of from 10,000 to 11,000 fee
TILLAA ANGUSTIFOLIA, Nutt. Twin en (972, 326.)

CRASSULACEZ.

SepuM RuHopi0La, DC. South Park. (771.)
§. RHODANTHUM, Gray. (769.) (326.)
8. STENOPETALUM, Pursh. South Park. July.

HALORAGEZ.
HIPPURIS VULGARIS, L. Twin Lakes, San Luis Valley. Not rare.
CALLITRICHE VERNA, L. Twin Lakes. Standing water. (314.)
GC, AUTUMNALIS, L. Rio Grande at Loma. (987.)

ONAGRACEZ.

EPILOBIUM ANGUSTIFOLIUM, L. Oro City. August. Altitude, 9,600
feet. (143.)

EB. LAtiFoLium, L. Twin Lakes. Altitude, 9,600 feet. Wet, Rar
places. August. We have in the collection the extreme forms
broadly-lanceolate and narrow, lanceolate-linear leaves, with all
gradations between. (142.)

E. TETRAGONUM, L. Twin Lakes. July. Altitude, ree feet. (145,
153, 154, 156.) The form 154 is a fair H. coloratum, Muhl.; but I
am heartily in accord with Mr. Watson in panies gare under aa
same species. From the abundant material at ny aie: I cannot
assign a specific Ristinetan to their points of contact.

E. PALU ISTRE, L., var. §. ALBIFLORUM, in T. & G. (156 bis.) These
specimens were intermixed with 156 in the retained collection. So plainly
marked bei _— iene icornan gy i. é., leaves wpnee e, ance-linear,

E. PANICULATUM, Nutt. ‘Wiese: rt ps Valley. Aes, 6,400
feet. September.
(ENOTHERA BIENNIS, L. Saguache, San Luis Valley, Altitude, 6,400

40

feet. (131,141.) Alsoa poor specimen from Loma on the Rio Grande
(127) is probably referable here. September

CE. PINNATIFIDA, Nutt. Denver. June. 5 300 feet. (125, 130.)

CE. TRILOBA, N utt. Denver, June; South Park, July. Altitude, 5,000
to 10,000 feet. (124, 123, 121.

CE. casprrosa, Nutt. South Park. June. 9,900 feet. (132.)

CH. CORONOPIFOLIA, T. & G. Twin Lakes. Altitude, 9,500 feet. July.
126,

)
GAYOPHYTUM RAMOSISSIMUM, T. & G. June and July. Georgetown
and South Park. Altitude, 8 ,000 to 10,000 feet. (150, 146, 147.)
GAURA pelea tary Nutt. Common. Open, dry grounds. (160, 161.)
June to Au
G. COCCINEA, Natt, Glabrous form. Valley of the Upper Arkansas.
September. 159.)

LOASACEA,

MENTZELIA NUDA,T. & G. Valley of the Upper (pene River. Sep-
tember. (764, 765.)
M. ALBICAULIS, ‘Doug. Denver. June. (768.)

UMBELLIFERZ.
SIUM LINEARE, Michx. San Luis Valley. September. In fruit only.
730.)

8. Stee L. In warm springs of San Luis vay ; water
about 80°. 5)

CYMOPTERUS ALPINUS, Gray. Top of Griffith’s Peak, near George-
town; altitude, 11, 500 foot " (725, ne .)

C. GLOMERA' TUS, DG. Denv

MUSENIUM TRACHYSPERMUM, tue age: June: (726.)

ee APIIFOLIUM, Benth. & Hook. Twin takes Agni.
Cit, 7

L. MON’ Sas Gray. sp Creek Cation. Union Creek Pass, at 12,000
feet. (716, 719, 720, 724.)

THASPIUM i eget Gray. South Park. June. (727.

ARCHANGELICA GMELENI, DC. Twin Lakes. howe (7

ARCHEMORA FENDLERL, Gray. Twin Lakes. July. (723.)

HERACLEUM LANATUM, Michx. Twin Lakes. (713.)

ARALIACE.
Apoxa MoscHATELLina, L. Mountain-ravines, at 11,000 feet.
CORNACE,

CORNUS PUBESCENS, Nutt.(?) Valley of the Rio Grande at Loma. Too
old for satisfactory specimens. (79.)

CAPRIFOLIACE®.

LINNZ%A BOREALIS, Gronov. Twin Lakes, at 11,000 to 12,000 feet. July.
SYMPHORICARPUS OREOPHILUS, Gray. South Park. (18.

LONICERA INVOLUCRATA, Banks. South Park. July. (19.)
eros RACEMOSA, L., var. PUBENS, Watson. Clear Creek Cafion.

41
RUBIACE.

GALIUM TRIFIDUM, L. San Luis Valley. (15, 16.)
G, BOREALE. Common and variable. (17.)

VALERIANACEZ.

VALERIANA DIOICA, L., var. SYLVATICA, Watson. South Park, at
10,000 feet. (773.)

ULIS, Nutt. (V. ciliata, T. & G.) South Park. June and July.
Bither root or stem-leaves may be entire or pinnately parted with any
degree of division between. Valerian-odor is id strong in this
species on boiling. (774.)

COMPOSIT A.

[For the identification of the plants of this order, I am indebted to
Prof. Asa Gray. Though the names were indicated in great haste, they
doubtless are to be depended upon, and it is needless to say that, for
any errors, if such there be, I alone am responsible.—J. T. R.]

PECTIS st peohatatgern Torr. (467.)
LIATRIS SCARIOSA, Willd. Dwarfed. Trout Creek. (458.)
BRICKELLIA GR AND IFLORA, Nutt. Valley of the Upper Arkansas River
and Trout Creek. (422, 42
NARDOSMIA SAGITTATA, Hook (2 ) No leaves, and therefore impossible
to determine the species with certainty. Near Breckenridge.
580.

MACH ZRANTHERA CANESCENS, Gray. (497, 499, 511, 507.) 420 and
455, ce: and ne Sig variety, collected. also by Porter and Canby.
M. TANACETIFOLIA,
ASTER ADSCENDENS, Lindl. (522.) "Form 523, between 522 and A.
T. &

Sa 524, var. ciliatifolius » Which is 419
of Parry’s collec ion; 525, a us var.; 492, a very
slender form 9 is ewes! at to A. adscendens.

A. FALCATUS, Lindl, Valley of the Upper Arkansas River. (488, 501.)

A. Dove.Lasn, Lindl.(?) San fats Valley. (
A. SALSUGINOSUS, Richards. (486, 504, 516.) 520 is a very alpine form
k Pas

A. PAUCIFLORUS, Nutt. San Luis Valley. (508.)

ERIGERON COMPOSITUM, Parsh. sia Park. July. (493.)

E, compostruM, Pursh, var. a glabrate form, E. PEDATUM, Nutt. (496.)

E. UNIFLORUM, L., var. South Park. (494, 2 »)

KE. GRANDIFLORUM, Hook., var. ELATUS, Gray. Mosquito. (487, 490.)

E. MACRANTHUM, Nutt. Prati nt toward E. wandehoron. Collected —
also by Parry. Union Creek Pass. (519.)

E. BELLIDIASTRUM, Nutt.(?) Too young to besure. Denver. June.

513.

E. pumMiLuM, Nutt. Denver. June. (514.)

E. DIVERGENS, T.

E. uRSINUM, D. C. Eaton. South Park. July. (495.)

E, FLAGELLARE, Gray. Apex. June aa

E. ARMERLAIFOLIUM, rates Twin ale es. (52

ee SERICEA, Hook. Kit Carson. nix Var. a6), George-
town.

42

T. sTRIGOSA, Nutt. Valley of Upper Arkansas River. (517, 853.)

T. SCAPIGERA, D.C. Eaton (??). Heads sessile. Will probably rank as
a new species, for which Gray proposes T. Rothrockii. South Park.
July. (417, 418, 875.)

GUTIERREZIA EvTHAML&, T. & G. South Park. (411, 412, 414, 415.)
410, the same, verging, however, toward G. microphylla. 473 is a de-
pauperate scabrous form of Huthamie. South Park

SOLIDAGO VIRGA-AUREA, L., var. HUMILIS, Gray. South Park. (404,
409.)

S. VirnGA-AUREA, L., var. ALPINA, Big. Half-Moon Creek ; altitude,
12,000 feet. (407, y

=f NEMORALIS, Ait. (408.)

S. MISSOURIENSIS, Nutt. Twin Lakes. July. (405.)

S. CANADENSIS, L., var.(?) Twin Lakes, at 10,000 feet. (406.)

BIGELOVIA GR AVEOLENS, Gray. (452.)

B. Parryi, Gray. Twin Lakes. 53, )

B. BiGELOvH, Gray. Valley of Upper Arkansas River. (454.)

B. DOUGLASSII, var. TORTIFOLIA, Gray, rev. (413, 447.) 478 broad-
leaved

APLOPAPPUS SPINULOSUS, DC. San age Valley. Ee 0.)

A. INULOIDES, T. G. Union Creek Pass. July. (472, 579.)

A. NUTTALLO, T. & G. (465,

A. MACRONEMA, Gray. Twin Lakes. (451

A. PaRRYI, Gray. Twin Lakes. Alpine. +E)

A. LANCEOLATUS, T. & G. San Luis Valley. (474, 485.) Between A.
Vaseyi and A. tenuicaulis, eS C. Eaton. This form will probably
destroy the last-named specie

CHRYSOPSIS VILLOSA, Nutt., ae, FOLIOSA, Gray. South Park. July.
552.)

C. VILLOSA, Nutt., var. HISPIDA. (555.) (464, var.)

BACCHARIS SALICINA . & G. 56.

FRANSERIA HOOKERIANA, Nutt. San Luis Valley. (56, 534.

HELIOMERIS MULTIFLORA, Nutt. San Luis Valley. September. (551,

ZINNIA GRANDIFLORA, sae (468. )

WYETHIA aoa Gra,

aires HIRTA, L tappaken oe South Park and Trout Creek.
(549, 55

HELIANTHUS PETIOLARIS, Nutt. Valley of the Upper Arkansas. (553.

H. LENTICULARIS, Dougl. Valley of the Upper Arkansas. September.
547.

H. NuTTAuxn, T. & G. ee broader leaves. Saguache. . eee

HELIANTHELLA UNIFLORA, T. & G. South Park. July.

BIDENS TENUISECTA, Gray. Valley of the Upper Arkansas. (a4)

XIMENESIA ENCELIOIDES, Cav. San Luis Valley. September. (421.)

GAILLARDIA ARISTATA, Pursh. South Park.

CH ANACTIS Dova.ast, Hook & Arn. Kenosha range and South Park.
July. Boe ) 482 is dwarfed.
YMENOPAPPUS LUTEUS, Nutt. Rio Grande at Loma. (541.) (576, 870,
probably luteus.) 475 either luteus or variety of abunieiies, Pursh.

H. FLAVESCENS, Gray. (542.

ACTINELLA RICHARDSON, Nutt. South Park. (484.)

A. ACAULIS, Nutt. South Park, at 12,000 feet. (457.)

A. GRANDIFLORA, T. & G. Common i in alpine regions. .)
ACHILLEA MILLEFOLIUM, L. — ——— about South Park

a — Tw win Lakes. (480.)

vn

Deen

43

ARTEMESIA DRACUNCULOIDES, Pursh. Twin Lakes. (530, 531.)

A. CANADENSIS, Michx. (532.

A. TRIDENTATA, Nutt. Twin Lakes. (431.)

A. LUDOVICIANA, Nutt. oe, of the Upper Arkansas River and San
Luis Valley. (529.) (War. 4

A. LupovicrANA, Nuatt., var. Mx ICANA, forma TENUIFOLIA, Gray.
Resikekablas very likely a species. San Luis Valley. Rep niee

5.

a yeas. Willd. Along with Aphyllon fasciculatum, T. & G. Para-
sitic attachments from the latter, uniting the rootlets of the two. Ido
not recollect to have seen this Aphyllon growing, except in the com-
pany of the Artemesia. (46

A. SCOPULORUM, Gray. South Park. Alpine. (430.)

A. BOREALIS, Pallas. South Park. Alpine. (535,

GNAPHALIUM STRICTUM, met San Luis Valley and Twin Lakes.
(425, 427.) 423 depaupera

G. PALUSTRE, Nutt. San Luis Valley. (426, 428.

ANTENNARIA CARPATHICA, R. Br. (208, 433, 434.

A. DIOICA, Geert. (435-445 all forms of the same hay Common.

THELESPERMA GRACILE, Gray. Denver. June. (540, 54

SENECIO SPARTIOIDES, T. & G. Valley of the Upper Arkansas River.

9.

S. LUGENS, Richards, var. FoLIOSUS, Gray. Twin Lakes and South
Park. (567.) (587 the same, but less rer? )

S. TRIANGULARIS, Hook. Twin Lakes. July. (563.)
S. ANDINUS, } Nutt. Twin pra (564, 565.)
S. AUREUS, var.. BOREALIS, T. & G. Verging toward croceus,

Gray. (558, 5 566 , 581.) (582, var. borealis, with round radical leaves.
585 same as form collected by Professor Gray at Empire. 586 nearly
582

-)
S. AUREUS, L., var. ALPINUS, Gray. Buffalo Peak. (577.)
S. AUREUS, Th var, WERNERLZFOLIUS, Gray. (588.)

S. EREMOPHILUS, Richards. Narrow-leaved. San Luis Valley. (561.)
8. vo ee aa T.&G. (571, 572,576.) Common at 11,500 feet and

ard.
S. SoLDENELLA, Gray. South Park; altitude, 12-13,000 feet. (573,

8. ae GELOVIL , Gray, var. MONOCEPHALA. Twin Lakes. (587, 674.)

8. LONGILOBUS, Benth. (675.

VILLANOVA age “aa remit Gray. Twin Lakes. Cottonwood
Creek. (479, 5
TRADYMIA ChNno ke. DC., var. INERMIS, Gray. San Luis Valley.
(449, 855

ARNICA ALPINA, Laest., var. ANGUSTIFOLIA, Vahl. Clear Creek. June.
69.

(569.)
A. FOLIOosA, Nutt. Twin Lakes. July.. (568.
A. CORDIFOLIA, Hooker. Clear Creek. June. (570.)
Cyicus PARRYI, Gray. Twin Lakes.
C. Drummonpu, T.& G. Acaulescent. Twin Lakes. (461.)
C. DrumMonpi, T.& G. Caulescent. (462.)
C. oo aaa Gray.

, x FENDLERI, Gray. Bowlder. (466.)

CREPIS eescisars, T.&G. San Luis pena (664.)

44

MACRORYNCHUS. (667.) Too young; probably trovimoWdes, T. & G.,
or possibly Troximon glaucum, Nutt. South Park.
M. TROXIMOIDES, T. & G., var. PARRYI, Gray. (66, 668.)
STEPHANOMERIA MINOR, Nutt. Trout Creek. (671, 672.)
TROXIMON gt ugeaeass Nutt., large. South Park and San Luis Val-
66.)

MvLGEDIUM PULCHELLUM, Nutt. Cottonwood Creek. (670.)
CAMPANULACE.

CAMPANULA UNIFLORA, L. Grant post-office. August. (751.)

C. ROTUNDIFOLIA, L. South Park; altitude, 10,000 feet. August. (752.)

©. LANGSDORFFIANA , Fisch. Sou th Park and mountains of Central
Colorado ; : generally at 10-11,000 feet

ERICACEA.

VACCINIUM C&SPITOSUM, Michx. South Park. June. (741. )
ARCTOSTAPHYLOS Uvya-ursI, Spreng. Common in dry gravelly soil at
10,600 feet. (742.)
ROLA SECUNDA, Le Moist shady ravines. Twin Lakes, at 10,500
feet. (739.
P. MInoR, L. Alpine ravines, in shady Places, at 10,500 feet. (740.
P. ROTUNDIFOLIA, L., var. ULIGINOSA, Gray. Twin Lakes, at 9,500 feet.
738.
MONESES UNIFLORA, Gray. Twin Lakes. (743.)

-PLANTAGINACE A.

PLANTAGO PATAGONICA, Jacq,, var. GNAPALIOIDES, Gray. Denver.
June.

PRIMULACEZ2.

doris PARRYI, Gray. Mountain-ravines, at 10-12 ,000 feet. July.

i pee Torr. South Park; in alpine regions. July. (736.)
P. FARINosA, L. South Park. Common. (737.

ANDROSACE SEPTENTRIONALIS, L. (356, 358, 359.)

DODECATHEON MeEapt1A, L. South Park; at 10-11 000 feet.

OROBANCHACEA.

APHYLLON FASCICULATUM, T. & G. Apex and South Park. _ eeranihle
on Artemesia frigida. (52.)

SCROPHULARIACE.
COLLINSIA rage basi hace Mit ad Apex. June. (328,

)
PENSTEMON GLABER, Pursh. Denver, Col. June. Sterile filament
densely bearded. Comparing this with my specimen from the

Hall, and Harbour collection, [ find that in both the anthers open

along their entire len (
P. C@RULEUS, Nutt. Apparently the plant deseribed by it though

spares distinctly petioled. Plains. June. (291.) se )

I have no authentic specimen with which to compare it. Ext Sie
_ radical

es

rs

a

45

P. ACUMINATUS, Dougl. There is great variation in the margins of the
calyx-lobes, and in the degree to whic h these are prob in my speci-
mens; also in the size and color of the flowers ; e specimens,
evidently, represent one and the same species. both Park and Clear
Creek. June. (302.) (303.)

P. SECUNDIFLORUS, Benth. Probably too near to P. acuminatus, Doug).
South Park. August. Altitude, 10,000 feet. Sterile filament dilated
and densely bearded with long oran ge- -colored hairs, which are deepest
in color at the apex of the filament. Bentham describes my specimen
neatly, : (DC., Prod., X, p. 325.) (300.

P. ALBIDUS, Natt. Sterile filament conspicuously bearded, and limb

pubescent within. (29

8, Nutt. Marines tendency in the cauline leaves to becom
trate ; 1 yeas more lax; bracts larger; and altogether more Beri ta 3

Seounicis than the one I have from collection of Parry, Hall, and

leer Sy evidently the same species as their 387. South Pa Tk 5

high gro

F. Bei vuuE. Grah., var. STENOPETALUS, Gray. A ati Half-Moon
Creek. Altitude, il ae feet. Pee is a thin form

P. CONFERTUS, Dougl., var. C@ARULEO-PURPUREUS, acs: South Park.
July. Altitude, 10, 600: feet. (293.) (294.

CHIONOPHILA JAMESL, Benth. High alpine. Specimens much more
luxuriant than those on which the description was founded. (332.)

MimuLus JAMESI, Torr. Denver. June. (312.

M. LUTEUS, L. Twin Lakes. August. 10, 000 feet. 13.)

M. LUTEUS, L., var. ALPINUS, Gray. Twin Lakes ; in brooks. (313 bis.)

M. FLORIBUNDUS, Dougi. San Luis Valley. September.

GRATIOLA VIRGINIANA, L. San Luis Valley. September (323 -)

LIMOSELLA AQUATICA, "L. Twin Lakes and San Luis Valley. (972,

SYNTHYRIS PLANTAGINEA, Benth. Clear Creek and South Park. June.
Altitude, 8-10,000 feet. (316.)

S. ALPINA, Gray, South Park.

VERONICA AMERICANA, Schweinitz. South Park. = (336.)

V. ALPINA, L. Mosqu uito Pass. Alpine. July

1 aa L. (331) (333 an ‘exceedingly cieaabe form from
Twin

ve PEREGRINA, L. Twin Lakes. July. (330.
. PEREGRINA, L., var. DIFFUSA, Rothrock. Much more opr oa poze
with leaves resembling the bracts entirely ; flowers not see uit
_ like the last, of which it is evidently but a variety. Sah Luis “Valley.
oo font flats. 3.)

Cas EIA LINARLEFOLIA, Benth. Twin Lakes. July; altitude,
9-10,0 “000 feet. (288.

C. PALLIDA, Kunth. South Park. 10,000 feet. July. (285.)

C. INTEGRA, Gray. Varies with leaves from linear to broadly laneeolate.
(289, 290.) 287 is also probably a mere variety of the

ORTHOCARPUS LUTEUS, Nutt. Twin Lakes. Moist ground. Altitude,

Rascisense CRISTA-GALLI, L. (321

-)
PEDICULARIS GR@NLANDICA, Retz. (P. swrrecta, Benth.) South Park.

10-11,000 feet. (281.)
e ORENULATA, Benth. South Park. (283.) - ;

-P. Superica, Willd. South Park. (279.

P. BRACTEOSA, Benth. Mosquito Pass. July. Galea ne gan biden-
tate just under the Seam 284.)

46

P. RACEMOSA, Dougl. Twin Lakes. Altitude, 11,000 feet. (320.)
P. PARRYI, Gray. South Park. July. (2 282 .)

VERBENACE&.
VERBENA BRACTEOSA, Michx.(?) Denver. June. (695.)
‘“LABIATA,

Lycopus Europaus, L., var. San Luis Valley. September. (782.)
MENTHA CANADENSIS, L., var. GLABRATA, Benth. Valley of the Upper
Arkansas. August. (778.
‘DRACOCEPHALUM PARVIFLORUM, Natt. Twin ee (784.)
SCUTELLARIA RESINOSA, Torr. » Denver. Jun
From San Luis Valley, Ihave specimens (7 79) too old oy satisfactory
determination, but which I doubtfully refer to this spec
os GALERICULATA, 7. ) San Luis Valley. Sept saker: Too old to be
certain about. 81.)
STACHYS PALUSTRIS, L. San Luis Valley and Trout Creek. - (783, 785.)
LAMIUM AMPLEXICAULE, L, Introduced into cultivated grounds at
Mosquito. July. (777

BORRAGINACE ZS.

LITHOSPERMUM PILOSUM, Nutt. Grant post-office. y-

MERTENSIA OBLONGIFOLIA, DC. Apex. This, oue oe our best parses
species of the genus, varies immensely in nearly every character.
find the unusual width of the filaments a rehistle: test bhanit often
wider, they are seldom narrower than the anthers.

M. Srpirica , Don. Sixteen inches high, leaves all ovate- -lanceolate ;
a. with petioles two inches long; stem-leaves with petioles one

neh long, and upper ones sessile; calyx-lobes obtuse, one-third as
ae as the corolla-tube. (709b.)

M. PANICULATA, Don. These specimens evidently were an nocuionte
species ; doubtless intended for a good M. Sibirica (in the immedi-
ate company of which they were growing). A deep oye caused
them to lengthen out, in search of sunlight, into the real paniculate
form; to which I add, Vidi vivam spontaneam. 09.) The well-
marked M. brevistyla, S. Watson, does not appear in this collection,
which is remarkable.

M. ALPINA, Don. Montezuma. June. m

ERITRICHIUM VILLOSUM, DC., var. ARETIOIDES, Hook. Mountain- -tops,
at 13,000 feet. June. (708.

E. ANGUSTIFOLIUM, Torr. San Luis Valley. September. (704

BK. CaLiForNnicumM, DC. South Park and various places in Seauat Col-
orado. (689, 691, 692.)

. GLOMERATUM, DO. Twin Lakes. 9,500 feet. July. (700, 702, 4

E CRASSISEPALUM, T. & G. Leaves almost linear. lanceolate, but the
nutlets correspond exactly with 454 of the Hall and Harbour collec-
tion

a, ae

E. Jam MES, Torr. Denver. June.

EcHINOSPERMUM REDOWSKU, Lehm. ‘Twin Lakes. July. (694, 7

E. DEFLEXUM. , Lehm., var. bacteria M, Watson. Twin Lakes. Jul fe,
Fruit with a single marginal row of pale of which Gp: my ae
mens) each alternate prickle is doesball or one-third shorter than

others. (697.)

47
HYDROPHYLLACEZ.

HYDROPHYLLUM VirGInicum, L. Apex. June -)

PHACELIA PopEI, T. & G. in Pacific Railroad Survey, 2 2, p. 172, t. 10.
Valley of the Upper Arkansas. (99.

P. TANACETIFOLIA, Benth. Subalpine. (82.)

Lif Loma on the Rio a (80.)

ELLISIA AMBIGUA, Nutt. Denve

POLEMONIACE 4.

Putox Dovue.Lassu, Hook. Too closely ete P. humilis, Dougl.,
as distributed by Hall and Harbour, yet the latter is justly placed. by:
Professor Gray under P. LONGIFOLIA, Nutt., recognizing as he doe
this same relationship. (681.

P. CASPITOSA, Nutt., var. CONDENSATA, Gray. South Park. Alpine

COLLOMIA LINEARIS, Nutt. Denver, June; South Park, July. (636,

687.)
C. LONGIFLORA, Gray. Denver. June. Flowers sometimes blue. (675,
677.

C. Te fortes, Dougl. Denver. June. (354.)

GILIA NUTTALLU, Gray. Oro City. July. (682.)

G. soa Hook. Gray’s Peak. South Park. July. 10-12,000 feet.
(748, 7

G. Mes ie Gray. South Par

G AGGREGATA, eh Dry sah and ridges of Central Colorado.
June. 45.

G. PINNATIFIDA, Nutt. Denver. June. (746.) 747 is a dwarfed form
of the same from Twin Lakes

POLEMONIUM C RTUM, Gra ay. 12,000 feet on mountains of Central
Colorado. * Msek: scented” according to Professor Porter and others.

OER RULEUM, Gray. 10,000 to 11,000 feet elevation on mountains of
‘Central Colorado. Professor Wolf in his notes remarks, ‘* with the
683.

P. HUMILE, Willd. Georgetown, at an elevation of 8,500 feet ; in South
Park reaching to 12,000 feet. (685.)

‘s SOLANACE A.
SOLANUM TRIFLORUM, Nutt. South Park. Colorado Springs. (88.)
GENTIANACE®.

GENTIANA AMARELLA, L. Twin Lakes. July. (788.)

G. Peronean ia ie Lakes and Trout Creek. Wet ground. (789.)
G. DETONS. es, . SIMPLEX, Gray. Aes. cate number 6359
of Bolanderts California collection.

48

‘ant representative of the same form . = from Arizona, col-
lected by the Wheeler expedition in
G. FRIGIDA, Haenke, var. ALGIDA, Griseb.. Half-Moon Creek. 11,500-
0 fe Ot.)

eet.

G. AFFINIS, Gris. Twin Lakes. August. 9,500 feet. (784.)

G. PARRYI, Eng. Red Mountain; 11,500 feet. (784 bis, 785.) On both
these species the calyx tips and lobes, even of the same plant, vary
immensely.

G. HUMILIS, Stev. June and July. (786, 787.

FRASERA SPECIOSA, Dougl. South Park. June. (790.)

SWERTIA PERENNIS, L. "Twin Lakes. August. (793.)

PLEUROGYNE ROTATA, Griseb. Twin Lakes. August. (792.)

APOCYNACE.

APOCYNUM ANDROSAIMIFOLIUM, L. Twin Lakes. Alpine brooks.
July. Seen,

NYCTAGINACEZ.

- MIRABILIS ee ee Gray. Saguache, in San Luis Valley. Sep-
tember. (816, 817.
XYBAPHUS ANGUSTIFOLIUS, Sweet. Half- age Creek and valley of
the Upper Arkansas River. August. (810, 8

ABRONIA aa a Gray. Valley of the jae Arkansas River.
September. (809, 8

A. FRAGRANS, os Bi Half-Moon Creek. August. Denver. June.
(808, 812, 813.)

CHENOPODIACE®.

CHENOPODIUM HYBRIDUM, L. Goenoene 257.)

C. oLIDUM, 8. Watson. (Proc. A m. Acad., vol. ix.) Twin Lakes. Alti-
tude, 9 500 feet. August. 258.)

C. FREMONTI, S. Watson. Twin Lakes. a nee (253.

C. LEPTOPHYLLUM, (N utt. in Herb.) C. album, var. leptophyllum,
Moquin. Prod., 13 , 2, p. 71. Valley of the Upper Arkansas River
and San Luis Valley. September. (263, 264. :

BLITUM oe L. Georgetown and Twin Lakes. 6-10,000 feet.
(269, 2 271

B. GLAUCUM, Koch. pee wares in South Park, San Luis Valley. —
to September. | (254, 260, 2

B. RUBRUM, var. HUMILE.. San Luis Valley. (873.)

MONOLEPIS CHENOPODIOIDES, Moquin. Twin Lakes. July. Altitude,
9,500 feet.

ATRIPLEX CANESCENS, Nutt. Valley of the Upper Arkansas River.
268 ;

ot A. PATULA, L., Var. San Luis Valley. gat 262, 278.)

A. WoLFir, S. Watson (sp. nov., Proc. - Acad., ‘vol. ix, py 212)

| San Luis Valley. (277.)

EvRotia LANATA, Moquin. (537.)

_ CORISPERMUM HYSSOPIFOLIUM, L. (37, 866, 872.) s
—Suapa DEPRESSA, Ledeb. Salt-works in South Park. (267.) 276is—

49

var. erecta, Watson. The two forms are certainly different enough,
but Mr. Watson assures me they may be connecte

SARCOBATUS VERMICULATUS, Torr. San Luis Valley. Common there
and known as ‘‘ chico.” (265, 266 :

AMARANTACE.®,

AMARANTUS RETROFLEXUS, L. Twin Lakes. August. (274.)
A. ALBUS, L. Valley of the Upper Arkansas River. September. (275.)

PARONYCHIE.

PARONYCHIA PULVINATA, Gray. South Park, at 12-13,000 feet. (46.)
POLYGONACE.

[Names furnished by Mr. Sereno Watson, Cambridge. |
ERIOGONUM UMBELLATUM, Torr. South Park. Common. (
E. WRIGHTH, Torr. Valley of the Upper Arkansas River. (:
E. FLAVUM, Nutt., var. Valley of the Upper Arkansas River. (25.)
E. FLAVUM, Nutt. South Park. Twin Lakes. (26, 28.)

E. PAUCIFLORUM, Pursh, Sulphur Spring, South Park, Colorado Ter-

ritory. (27.)

E. CERNUUM, Nutt. Twin Lakes. (23.)

EK. ALATUM, Torr. (806.)

OXYRIA DIGYNA, Campd. South Park. (42.)

RUMEX LONGIFOLIUS, DC. Twin Lakes, Saguache. (29, 30.)

R. SALICIFOLIUS, Weinm. San Luis Valley. (31.

R. MARITIMUS, L. San Luis Valley. September. (32.)

POLYGONUM AVICULARE, L. Twin Lakes. San Luis Valley. (34, 35,

x IMBRICATUM, Nutt. South Park.
M, Db. Common.
tig hae tani Gray. (38.)
P, PENNSYLVANICUM, L. San Luis Valley. (40.)
P. VIvVIPARUM, L. South Park. (43.)
P. BIisToRTA, L. South Park. (44.)

-)
P. ERECTUM, L. Valley of the Upper Arkansas River. (39.)
(36.)

ELEAGNACEZ.

SHEPHERDIA CANADENSIS, Nutt. Georgetown. (58.)
ELEAGNUS ARGENTEA, Pursh. Twin Lakes, at 9,500 feet.

LORANTHACE®,

ARCEUTHOBIUM AMERICANUM, Nutt. Near Breckenridge, at 10-11,000
feet on Pinus contorta.

EUPHORBIACEX.,
EUPHORBIA MONTANA, Engelm. (85.)
HE. SERPYLLIFOLIA, Pers. San Luis Valley on alkaline soil. (86, 87.)
4B i

*

50
URTICACELE.
URTICA BREWeRtr, S. Watson, sp. ined. (72.)
U. @raciits, Ait. San Luis Valley. U 1.)
HUMULUS Lupus, L. Mountains east of the Arkansas Hiver. (53.)
CUPULIFER®.
QUERCUS UNDULATA, Torr. Poncho Pass. ($18.).
BETULACE®,
BETULA OCCIDENTALIS, Hook. Georgetown. (841.)
B. GLANDULOSA, Michx. Twin Lakes, Blue River. (838, 839.)
ALNUS INCANA, Willd., var. GLAUCA, "Ait. (840.)

SALICACE.

SALIX NIGRA, Marsh., var. AMYGDALOIDES, Anders. Denver. June.
82

Ss. LONGIFOLIA, Muhl., var. ARGYROPHYLLA, Nutt. , forma ANGUSTISSIMA,
Ander win Lakes and Denver. (822.

S. LIVIDA 1, Wahl, var. te ne ses Gray(?). (821.)

S. CORDATA, Mahl. Georgetow June. South Pa tk. (825, 826.)

S. GLAUCA, L., var. SERICEA, ‘Agee (819, 829.) Exactly 523 of Hall
and Harbour

Ss. RETICULATA, L. Half-Moon Creek, at 13, ~ nee (830.)

POPULUS TREMULOIDES, Michx. Sot ith Par (83

P. BALSAMIFERA, L., var. CANDICANS, ac: iene and common
elsewhere cd streams. (835.

P. BALSAMIFERA, a var. ANGUSTIFOLIA, Watson. San Luis Valley.
Denver. (833, 834.)

P. ANGULATA, Ait. Denver. (831.)

CONIFER (named by Josiah Hoopes).*

PINUS ~ sll Dougl. South Park. (842.) Twin Lakes. (843.)
rs , James. Twin Lakes. (845.
b a BALFO ANA, Mur., (syn. P. ARISTATA, Engl.) Breckenridge ; high
ground. (847.). South Park, 848.
P. MONOPHYLLA, Torr.t Valley of the Upper Arkansas. (849.
r. PONDEROSA, Dongl. Tree 40 feet high and 2 feet in diameter. Con-
jos Creek. 11,000 feet altitude. (983.
ABIES DovuGLasnu, Lindl. Twin Lakes.
JUNIPERUS VIRGINIANA, L. A form peculiar to the Rocky Mountain
page, with pale, AEN leaves. Valley of the Upper Arkansas
ver
Also cone of the Abies Menziesii, Lindl.; and an immature cone
of Pinus(?).

* See remarks in first t part of
+I here defer to een in haintog * this tree. It ismore usually now, I th'nk, regarded
as P. edulis, Engelm

51
TYPHACEZ®.
SPARGANIUM EURYCARPUM, Engelm. Swamps of San Luis Valley.
S. SIMPLEX, Huds. Twin Lakes. (957.) Swamps of San Luis Valley.
(958.)
NATADACEZ,
POTAMOGETON GRAMINEUS, L., var. HETEROPHYLLUS, Fries, South
Park, at 10,000 feet. No mature fruit. 961,
ae PERFOLIATUS, L., var. LANCEOLATUS, Robbins(?). rig Lakes. (7€0.)
P. MARINUS, L. Twin Lakes and San Luis Valley. (95
P. PECTINATUS, L. (959.)
ALISMACE®.

TRIGLOCHIN PALUSTRE, L. South Park. (952.)
T. MARITINUM, L. Alkaline plains of South Park and San Luis Valley.

(942, 951.)
ORCHIDACE#,

HABENARIA HYPERBOREA, R. Br. Twin Lakes. 5.)
H. DILATATA, Gray. This and the preceding are sonbtless distinct

os
errkiehens ROMANZOFFIANA, Cham. Twin Lakes, (963, 964.)

IRIDACE 4.

Iris TOLMIEANA, Herb. Bot. Beechey. South Park. Common. (967.)
SISYRINCHIUM BERMUDI IANA, L. South Park. (945.) From vhaver
there are one or two dwarfed albinos of this species.

LILIACE®,

ZYGADENUS GLAUCUS, Nutt. (950.
Z, NUTTALLU, Gray. Apex. June. (944.)
LILIumM .

?
SMILACINA STELLATA, Desf. South Park. July. (953.)
CALOCHORTUS GUNNISONI, Watson. weinnajee Colorado, (941.)
LLOYDIA SEROTINA, Reich. South Park
LEUCOCRINUM MONTANUM, Nutt. Clear Ohesk. Caiion. (944.)
ALLIUM CERNUM, ate South Park. (948.
A. RETICULATUM, Fra Denver. June. (946.)
A. MUTABILE, Michx. "South Park. (947.)

JUNCACE.

‘Luzuna SPADICEA, var. PARVIFLORA, Ledeb. (923.)
L. SPICATA, Desv. (922.)

52

uncus BALTicus, Deth. Denver and elsewhere. Common in wet
places. (914.)
. CASTANEUS, Sm. Mosquito Pass. (933.)
J. BUFONIUS, L. San Luis Valley. (929.)
J. LONGISTYLIS, Torr. South Park. Denver. Twin Lakes. (913, 915,
931, 932, 936
- TRIGLUMIS, L. Twin Lakes. (937
x NoDosuwS, L., var. MEGACEPHALUS, ‘Torr. San Luis Valley. (911.)
J. MERTENSIANUS, Bong. Mosquito Pass. Twin Lakes. (912, 934,

J. XIPHIOIDES, HE. Mey., var, MONTANUS, Engelm.
CYPERACEA.

CYPERUS INFLEXUS, Muhl. San Luis Valley. (924.)

C, SCHWEINITZII, Torr.

ELOCHARIS PALUSTRIS, R. Br. San Luis Valley. (927, 977.)

E. ACICULARIS, R. Br. Alkaline flats of San Luis Valley. Bristles
twice as long as the achenium. (

SCIRPUS PAUCIFLORUS, Lightfoot. Twin Lakes. (926.)

S. PUNGENS, Vahl.(?) Denver. (925.

S. vaLipus, Vahl. San Luis Valley. (930.)

ERIOPHORUM POLYSTACHYON, L. Twin Lakes. (968.)

KOBRESIA SCIRPINA, Willd.

CARICES.
By 8S. T. OLNEY, PRovIpENcE, R. I.
CAREX GYNOCEATES, Wormsk., Drej. Rev., p. 16, 1841. Mosquito.

). LYONI, Boott, erage Oe Bor. Am., 2, p. 209, 1840. Summit ot
Hall’s Gulch. "July. 001.)

C. SCIRPOIDEA, Michx., z p. 271, 1803. South Park, ohio FO estar

C. OBTUSALA, Lilj., in Act. Hol., p. 69, 1793. South Par 100

C. i at Muhl., in Willd. , Sp. PL, 4, 213, 1805, “Twin Cie

(

C, RUPESTRIS, All., Fl. Ped., 2, p. 292. (1005.) A single specimen, with

C. HOOKERIANA, Dew., 29, 248, 1836. South Park. (1006.

C. GAYANA, Desv., Fl. Ch., 6, p. 205, 1853. Twin Lakes. (1007.

C. SICCATA, Dew., 10, p. 278, 1826. Mosquito. (1008.) South Park.
Too young. (1009,

C. DouGLassu, Boott (!), in Hook., Fl. Bor. Am., 2, 213, 1840. Denver.
The sterile plant. (1010.)

C. DouGLassu, Boott(!) Twin Lakes. hs a fertile plant.

C. MARCIDA, Boott (1) in Hook., Fl. Bor. Am., 2, p. 212. Twin Lakes.
Too young. (1012.

C. STENOPHYLLA, Wahl., Act. Holm., 142, 1803. South Park. (1013 ;)
also, (1014) and (1015) i same locality. :

C. TENELLA, Schkr., 1801. Twin Lakes. (1016.)

C. CANESCENS, L., Fl. Suec., 842. Twin Lakes. (1017.) Also a var.
approaching C. egg Blytt. (1018.

C. SCIRPOIDES, Schk., in Willd., Sp. PL, 4,137, 1805. Twin Lakes. i opaa
I think this is distinct from C. echinata, Murr., which — C. sTELLU-
LATA, L.

53

C. FESTIVA, Dew., 29, 246, 1836. Mosquito. (1020.) Nos. 1021, 1022,
and 1023 are probably the same, but too young to determine.
C. LEPoRINA, L., Fl. Suec. Mosquito. ED also, 1025, 1026, and 1027.
C. ALBOLUTESC ge aie 66, 1824 = C. A ADUSTA, Boott. Doubt-
eae referred h Twin Lakes. (1028. )
LEOE ENON, Schw., var. minor, Boott. Branch of North Platte.
)
C. oy ONI, Boott, in Hook., Fl. Bor. Am., 2, p. 214,1840. South Park.
Pal i) also, (1031) too young.
aa p., p. 398, 1836. Denver, South Park. 1032; also
pentabiy 10
C. STRICTA, tae: = ©. ANGUSTATA, Boott. South Park. (1034.) This
would be more ochre determined if the specimens had lower
sheathing leaves (too young).
©. RIGIDA, Good. Chi hash Creek. (1035.) Doubtfully referred here
too young).
ye sone Good., var. (1036.) Doubtfully referred here (too young).
C. PERSONATA, Fries. Twin .Lakes, 1037 and 1038; South Pass, prob-
ably the same
O.tuRFOSA, Fries. South Pass. (1039.) Fries, Anderson, and Boott
vary essentially i in their descriptions of this speci
1835. §S

es.
C. PARRAYANA, Dew., 27, 239, outh Pass. (1040.) 1041, from
Mosquito, the same. This’ species seems to have a fuller develop-
ment farther north. I wasinclined to refer a single spiked culm of

Hall and Par tours collection, from a very imperfect drawing of the
periginium, to a new species, C. Hallii ; but these specimens show
no warrant for it.

©. BuxBaumu, Wahl., Act. Holm. Twin Lakes. (1042.)

C, ALPINA, Swartz, 1792. South Park. (1043.

C. ALPINA, Swartz, var. 2c, fa Anderson. Twin Lakes. (1044.)

C. ATRATA, L., Sp. Pl., 2, 1836 1763. South Pass. (1046.)
C. ATRATA, L., var. NIGRA, Boott. Like Hall and Harbour’s No. 537, so
1047.

C. ATRATA, L., var. udee specimens cee Rod Lakes. (1048.

C. ATRATA L., var. A, Rudge, = C. A A, L., var. OVATA, Boott.
Mosquito. (1049.) “North Pass. (1050 aaa ‘1051. j These specimens are
_very luxuriant, with long spikelets of both colors, brown and glau
cous green.

C. AUREA, Nutt., 2, 205, 1818. South Pass (1052, 1053, and 1054) ;
also Twin Lakes (1055, 1056, and 1057), and varies ’ from almost every
locality.

C. Rossi, Boott,in Hook., Fl. Bor. Am., 2, 222, 1840. Twin Lakes.
(1058.) Very imperfect spe cimens.

OC. CAPILLARIS, L., Fl. Suec., 338, 851, 1785. South Park. (1059.

C. CAPILLARIS, hi; var. ELONGATA, Olne ey, Dis. Twin gore 1060.)

another with single fertile flowers below the inal auike me thio
ing spikelets; and another with narrow starved spikelets. (1062 and

ass.

C. artsTaTa, R. Br., in Fr. arg * 1823. ie cgaemcaa (1065.) 1066,
1067, ee the same; too y

C. RHYNCOPHYSA, C. A.
Twin Lakes. (1068.)

©. AcurrrorMIs, Ebrh., = C. PALUDOSA, Good., in Linn., Trans., 2, 202.
Sou 1064.)

54
C. UTRICULATA, Boott. Twin Lakes. (1069.) There are several nuni-
bers of the Vesicaria group without ripe achenia, and hence unnam-

able.
C, SAXATILIS, L. = C., hy Good. Twin Lakes
C, SAXATILIS, L.—C. P LLA, Good. These differ slightly, the last with
a more inflated per Anes ium ; achenia of both nearly the same; bot
havetwo stigmas most generally. The perigynia of both have few nerves,
and are so described by Lang and other eres aathors. 1070.

GRAMINEA,

DETERMINED BY DR. GEO. VASEY.

\

ALOPECURUS ARISTULATUS, Michx. In ponds, Twin Lakes, Colorado.
A form with delicate floating leaves ; awn much shorter than the palet.
(1073.) There are also other forms stouter, and with the awn one-
half longer than the palet.

PHLEUM ALPINUM, L. Twin Lakes and South Park. (1074.)

VILFA URE WSLEL, "Torr Dry ground, Twin Lakes. (1075.)

v DEPAUPERATA, Torr.(? ) South Pak 1076.)

r. sp. Culms erect, branched at the base, slender; spikes
Souiniiel hand lateral, simple, few- flowered ; lateral ones partly included
in the sheaths; flowers alternate, half a ‘Tine long, pointed; glumes
membranaceous, obtuse, about half as long as the flowers; palets
nearly equal in length; leaves mostly radical, short (4 to ‘k inch),
strongly nerved, lower sheaths inflated. This dim inutive grass ap-
pears to be annual, is from 1 to 14 inehes high, slender and delicate,
and was found erowing on wet shores around Twin Lakes, Colorado.

rye

SPOROBOLUS CRYPTANDRUS, Gr, Ravinesin Arkansas Valley. (1078.)

S. AIROIDES, Torr. Cottonwood Creek, Colorado, (1079.)

S. RAMULOSUS, H. B. K. Saguache Creek, Colorado. (1080.

S. ASPERIFOLIUS, N. & M. Cottonwood Creek, Colorado. (1081.) A
very luxuriant form occurs, in which many of the specimens have 2-3-
flowered-spikelets. Many of these have “e32 am affected with a
black smut. In a bog, Saguache Creek.

AGROSTIS SCABRA, Willd. Low ground, Twin ae Colorado. (1083.)
Dry beds of ig South Park. (1084.

A. PERENNANS(?), Tuck. Wet ground among timber. (1085.)

EXARATA, Trin. (?) A small form. Twin | Lakes. (1086,
A. VULGARIS, With. pubedocen basso flyin Lakes. (1087.)
(1088.)

M. GRACILIS, Trin. Twin con aiye "(10

M. GRACILIS, var. BREVIARISTATA. Shorter and smaller, in more com-
pact tufts ; ; airs hardly half : as long. Twin ea (1090.)
M. GRACILLIMA, Torr. San Luis Valley. (1091.)

VASEYA pone Thurb. Gravelly shores, Twin Lakes. (1092.)
CALAMAGROSTIS LANGSDORFFII, Trin. Wet ground, Twin Lakes. (1093.)
C. SYLVATICA, DC. Dry ground, Mosquito. (1094.) Also South Park.

Trin. Twin Lakes (1096); and Saguache Creek (1097).
Y Geet py hay -making.

55

C. LAPponica, Trin. Mosquito. (1098.)
C, CONFINIS, Nutt. Low ground, Twin Lakes. (1099, 1100, pr The
seed is affected with an ergot (Oladiceps), which “ differs fr om Cladi-
i PRO:

STIPA SPARTEA, Trin. Twin Lakes. (110

S. viripuLa, Trin. Twin Lakes. alon)” Arkansas Valley. (1105.)
Mosquito. (1106.) Alpine woods. (1107, 1108.

S. Moneorica, Turez. Wet ground, Twin Lakes ; rare. (1109.)

ARISTIDA PURPUREA, Nutt., var. FENDLERI. Denver. (1110.)"

SPARTINA GRACILIS, Trin. ‘Saguache. (1111

BoureELOvA HIRSUTA, Lag. Twin Lakes, Colorado. 1112.)

B. OLIGOSTACHYA, Torr. Twin Lakes. (1113.) Grant 2 pra es i

GRAPHEPHORUM FLEXUOSUM, Thurb. Fort er) apna. (1116.)
KasLERIA CRISTATA, Pers. Twin Lakes, (1117, 1118.)
GLYCERIA AQUATICA, Sm. Saguache Creek. (1119. )
G. ATROIDES, Thurb. Saguache Creek. -)
G. NERVATA, Trin. Twin Lakes. (1121.)
CATABROSA AQUATICA, Beau. Near Gray’s Peak. (1122.)
BRIZOPHYRUM sPicaTUM, Hook. Saguache Creek. (1123, cea

The Poas of the Rocky Mountains are in much confusion as to na
Some of those given herewith sid _ to doubt, but they fadseate,
apparently, good and distinct speci
POA PRATENSIS, L. Subalpine; aasaitlly identical with our cultivated

cane Colorado. (1125.)
_ P. auprna, L. Wet ground, Mosquito. (1126.) Also alpine streams,
South h Park. (1127. These are mostly the var. minor, Gaud & Hoppe,
with short, broad, and somewhat rigid leaves, culms 4 to 12 inches
high, and rays single or in pairs.

, Haenk. A form with narrower leaves than the preceding ;

panicle with more numerous and longer branches. South Park.

P. sEROTINA, Ehrh. eiiae longer and narrower than the preeanie
Dry ground, Twin Lakes. -)

¥: NEMORALIS, L.(?) Culms tall (2 to 3 feet) and sea? smooth above,
somewhat scabrous below, with only 2 or 3 linear short leaves (6
inches) ; panicle 6 to 8 inches long, narrow; branches in fives, capil-
lary, and spreading. Scattering in alpine bogs, Twin Lakes

P. WHEELERI, 2. sp. Radical leaves rigid, involute and snes te-

ointed, 5 to 10 inches long; culms from running root-stocks like P.
brevifolia, } Muhl., and having a panicle much like that, with capillary
branches in pairs ; flowers acute, not webbed. In timber, South Park.

1131.)

P. FLEXUOSA, Muhl.(?) Identical with Mr. Watson’s No. 1316 in the col-
lection of King’s Wxplorationn, but different from the eastern plant.
Culms from 2 to 3 feet high, pale green; panicle large, spreading ;
rays long, in twos or threes; flowers and glumes acute. Apex, Col.

1132.

p! This is the plant described doubtfully as P. alpina, var., by

56

Mr. Watson in ie Botany of the Fortieth Parallel, No. 1312, but it ap-

pears to be wholly different SNe that species. it probably belongs
to the section Schlerochloa. Apex, Col. (1133 and 1134.)
INA, Nutt. Several varieties are classed under this species.
me of them approach very closely tothe preceding. North Platte.
(1135,) South Park. (1136.) Branch of Green River. (1
i og “somthin Nutt. This species is quite variable, and possibly eo
are two saan called by this name. South Park. (1138.
Lakes (1139 and 1140), a form with slender wiry stems, and lod in
linear Sainte: Apex, Col. (1141) stouter, beonde panicle, and
er fl

m of the Cesia section, growing in dense tufts, with
‘short, wiry stent’ short, narrow leaves, short and nar TOW panicle,
and purple flowers. Mosquito. (1142.) South Park.

P. ArcTICA, R. Br. Along mountain-streams, Twin Lakes (1144) ; 3 also
Mosquito (1145),

ERAGROSTIS PILOSA, Beau. Saguache Creek. (1146.)

FESTUCA TENELLA, Willd. Denver, Col. (1147.

IF’, MICROSTACHYS, Nutt. (?) South Park. (1148.) Awns equaling or.ex-
ceeding the palet.

F. ovina, L. (1149.) Near the eastern form.

VINA, L., var. DURTUSCULA. Twin Lakes. (1150.)

F. ovina, L., var. TENUIFOLIA. South Park. asi.

PF. BREVIFOLIA, Br. (F. OVINA, var. BREVIFOLIA, Watson.) Summit

of Mount Lincoln: (1152.)

I’, SCABRELLA, Hook. (?) Twin Lakes. (1153.

F, THURBER], ‘n. sp., No. 1154. Culms erect, 13 to 2 feet high, leafy,
leaves exceeding the internodes and the upper one overtopping the
panicle; panicle 3 to 4 inches long, a little drooping; lower part in-
closed in the upper sheath; branches slender, single or in pairs, naked
below, erect; spikelets cylindrical, lanceolate, “acute, 3-5-flowered,
5 to 6 lines long; glumes membranaceous, shorter than the flowers,
nearly equal; lower one convex; not compressed, inner one slightl
keeled, purplish, obscurely nerved ; lower palet lan neeolate, acute, or
short cuspidate, minutely ‘scabrous, obscurely 5-nerved, convex ; in-
ner palet nearly equaling the outer, narrow, slightly hispid on "the
keels ; radical leaves numerous, involute, 6 to 12 inches long, rough,
margin

Bromus Kati, ie var.(?) Twin aoe Pa 1156.)

B. CILIATUS, Gr., v r. (2) win Lakes.

DB. CILIATUS, var. er DENSIS, near Grays Beate: 1158, 1159.) This
— been called B. br eviaristatus, Hook., but is evidently not that
plant.

ELYMUS CONDENSATUS, Presl. Grant Creek. (1160.) Twin Lakes.

E. SITANION, Schultz. (SrTANION ELYMOIDES, Raf.) Several forms.
Denver. (1161.) Twin Lakes. (1162.) South Park. (1163.) ~

HORDEUM JuBATUM, L. Saguache, Colorado, low grounds. (1164.)

H. PRATENSE, Huds. South Park. Mosquito. (1

TRITICUM REPENS, L. Twin Lakes. Mosquito. (1166.)

T. REPENS, var. with awned flowers. Cottonwood Creek. (1167.)

T. VIOLACEUM, Horn. Twin Lakes. (1168.)

T. canINnuM, L. Twin Lakes. (1169.)

DANTH HONIA SERIC CEA, Nutt. Twin Lakes. See South Park. (1171),
with a smaller form, which is perhaps D. spica

| 57
TRISETUM SUBSPICATUM, Beauv. North Pass. (1172.) Baker’s Mine.
1173

( .
T, ALPESTRE, Beauv. Twin Lakes. (1174.) The panicle is quite open
and expanded, and corresponds well with European specimens of 7.

estre.

T. WoLFH, x. sp. Apparently cespitose, and from a running root-stock ;
culms erect, 1 to 1 t high, smooth; culm-leaves short, 2 to 4
inches; lower leaves and sheaths somewhat scabrous; ligule lacerate ;
flowers in an upright, close panicle, which is 2 to 4 inches long, 1 to 2
rays at each joint; spikelets lanceolate, 2-flowered, and with a rudi-
mentor continuation of the rachis half as long as the uppor flower ;
the rachis and rudiment villous hairy; glumes lanceolate, membra-
naceous, acuminate, equaling the flowers, which have a few hairs at
the base; lower palet lanceolate, acuminate, slightly split or 2-
toothed at the apex, obscurely 5-nerved, bearing near the point a
straight appressed awn, which extends to the apex of the palet, or a
little beyond it; upper palet shorter; grain oblong or linear, nearly
as long as the palets. Collected at Twin Lakes, Colorado. .
similar, if not identical, species was collected in the Rocky Mountains
in 1868 onthe expedition of Major Powell, and distributed as No.
693 of Vasey’s collection. This species might easily be mistaken for
Graphephorum melicoides, but _a close examination discovers the short
awn on the back of the palet. Butsome specimens of G. melicoides from
near Mount Kineo, Maine, also possess a short awn, though shorter
than these Rocky Mountain specimens. Other specimens of G. meli-
coides from Canada fail to show any awn. The question arises whether
these short-awned specimens should be considered as belonging to
Graphephorum or Trisetum. This species is dedicated to its discov-
erer, Mr. John Wolfe, of Illinois.

AIRA O2SPITOSA, L. South Park. Twin Lakes. (1175.) Some of the
specimens have awns exceeding the palets.

HIEROCHLOA BOREALIS, R. & 8. South Park. (1176.)

BEC NNIA ERUCZFORMIS, Host. Saguache Creek. (1177.)

LEPTURUS PANICULATUS, Nutt. Denver. (1178.

The collection of grasses above catalogued is probably the largest and
completest ever made in the mountains of Colorado, and does great credit

Festuca, and one or two species of Poa. robably some of the species
of Poa will yet be found as well adapted to cultivation on the plains as
the Poa pratensis is for cultivation in the Eastern a

GEO. VASEY.

4
4

58
EQUISETACE.*
EQuiseTUM LZVIGATUM, Al. Braun. (991.) Denver.
FILICES.

POLYPODIUM VULGARE, L. Dwarfed specimens. Common in rocky
places. (992.)

CRYPTOGRAMME ACROSTICHOIDES, Bd. Twin Lakes; altitude, 11,000
feet.

CYSTOPTERIS FRAGILIS, Bernh. Common everywhere. (994.)

NoTHoLainA FENDLERI, Kunze. Rocky banks about Loma(on the Rio
Grande.) (995.)

WoopsiA OREGANA, D.C. Eaton. Twin Lakes. (996.)

L&@A BREWERI, D.C. Eaton. Loma

LYCOPODIACE,
LYCOPODIUM SELAGO, L. Twin Lakes. (998.)
L, ANNOTINUM, L. Half-Moon Creek; altitude, 11,000 feet, (999.)
SELAGINELLA RUPESTRIS, Spring. Altitude, 10, 000 feet and upward.
(997.)
HYDROPTERIDES.

MARSILIA VESTITA, Hook. & Grev.

MUSCL
By THomas P. JAMES, CAMBRIDGE, Mass.

SPHAGNUM ACUTIFOLIUM, Ehrh.
Hab.—Twin Lakes; in bogs.
SPHAGNUM CUSPIDATUM, var. RECURVUM.
Hab.—Twin Lakes in bogs.
WEISIA CRISPULA, Hedw
Hab.—Twin Lakes ; a mountainous districts on rocks.

- GYMNOSTOMUM RUPEST

Hab.—Twin renee: bie + Waias ds soil.
Had

CYNODONTIUM VIR. NS, w.
Hab.—Twin bales on moist ground.
CYNODONTIUM VIRENS, var. SERRATUM.
Hab.—Twin Lalkes on old bogs.
Portia E
Hab.—Twin Takes: “on the ground.
DESMATODON LATIFOLIU 8, Hdw.
Hab.—South Park ; one reba:
DESMATO:

! N \URERT, c
Hab.—Twin Lakes; on damp rocks,

DESMATODON LAURERI, var.
Hab,—Twin Lakes ; pon the ground.

DIDYMODON RUBELLUS, Bry. Eur.
Hab.—Twin lates on wet banks.

* For the bony agar of the Filices, Equisetacee, and L diaceew, I am unde
obligations to Prof. D. C. Eaton, of Yale College J. .

59°

BARBULA tpg cai Brid.
Hab.—Tw rer on rocks.
BARBULA sUBULA TA, var. relia a
Hab.—Twin Lakes ; ts
BARBULA eviedeie
Hab.—Common on mountainsides on rocks,
bee ethers PURPURE
ab.—Twin Lakes ; common on rocks, &c.
Va

CERATODON PURP REUS, var. COMPACTUM.
Hab.—Twin trae in boggy ground.
M, Bry. Eur.

LINA
ab.—In Salae situati
ENCALYPTA gay
Hab.—Twin Lakes ; Beet “ocks and shaded ground.
ENCALYPT ve RHABDO var. oliis papillosis piliferis, capsula
striata, apophysata, pes ae nullo.
ab.—Twin Lakes; under shelving rocks.
re EXANU
win ogee ; on shaded rocks.
OnmmoneicHuM 7 M, Breh.
Tw

ab.—Twin Lakes; on rocks.
ORTHOTRICHUM ool egy Schl.
Hab.—In like situatio
IMMIA

Hab.—Twin Lakes; on ary rocks.
GRIMMIA OVATA, var. #. AFFINIS, B. & 5S.

Hab.—Twin Lakes; on rocks.
HEDWIGIA CILIATA, var. LEuUcopH A, B. & 8.
Hab.—Twin Lakes; on exposed rocks.
?

ook.
ab.—Twi Prceier. damp situations shaded by rocks.
PHYSCOMITRIUM LATIFOLIOM, Brid.
Hab.—Twin Lakes; growing with Aphanorrhegma.

ae BRYUM PYR en, Schp.
Hab.—Twin lie: ; in wet places under shade.

60
WEBERA ELONGATA, Dks., Schwg.
Hab.—In on of rocks in the shade.
WEBERA ELONG var. — 8, B. & S.
Hab.—In aitiar eal
WEBERA NUTANS, Se
ab.—Twin Lakes; ony shaded ground.
WEBERA aii , Var. 8 CASPITOSA, Br. & Sch.
Hab.—Twin Lakes; i
- WEBERA NUTANS var. r BICOLOR, Br. & Sch.
ab.—Twin Lakes; at base of trees be open woods.
WEBERA SUTANS, var. LONGISETA, B.
Hab.—

Hab.—Twin Lakes; on rotten logs.
AMBLYODON DEALBATUS, Dks., Beau.
Hab.—South Park ; os wet ground.
ZTERIA DEMISSA, Hk.,
Hab.—Twin Lakes; ; in ae of rocks.
sy oe ULIGINOSUM, Br. & Schl.
—On wet, shaded grounds.
Biven PENDULUM, Hsch. & pein
ab.—Twin n Lakes; on low g
BRYUM PENDULUM, var. pies idia sola in gemma diversa inclusa.
Hab.—In similar localities.
BRYUM INTERMEDIUM, Wbr. & Mhr.
ab.—Twin Lakes; on moist rocks.
BRYUM CIRRHATUM, Hp. & Hsch.
Hab.—South Park; on low ground.
BRYUM PALLESCENS, g.
Hab.—South Park; on Sieve ground.
BRYUM PALLESCENS, var. 7 CONTEXTUM.

gy ground.
BRYUM PALLESCEN orpdgetain en a8

Hab.—South Park: on mist ground.
BRYUM CAISPITICIUM,

Hab.—South Park ; in fissures of dry rocks.
BRYUM ARGENTEUM,

Hab.—Twin La kes; in Karp exposed situations.
BRYUM OBCONICUM, Hsch.

Hab.—Twin Lakes; on the ground.

Br PSEUDO-TRIQUETR eee tala
Hab.—Twin Lakes; in wet situation

BR PSEUDO-TRIQUETRUM, Var. Come aati
Hab.—Twin Lakes ; in bog

B TURBINATUM, He
Hab.—Twin Lakes; on moist grou

Bry INAT , Var. ATIFOLIUM, B.& 8.

ab.—Twi gprs cre shade in wet places.
MNIUM SERRATUM, B
Hab.—Twin Lakes ; io the side of shaded rocks.
AULACOMNION PALUSTRE, Schweg.
Hab—Twin Lakes; common on ‘bogs.
MEESIA ULIGINOSA i edw
Hab.—Twin Lakes ; wet, boggy ¢ ground.

rs.

61

PHILONOTIS MARCHICA, Roth.
Hab.—Twin Lakes ; in springy places.
id

He
PHILONOTIS CALCAREA,

Hab.—Twin Lakes; by the ide of small runs.
TIMMIA MEGAPO OLITANA

Hab.—Twin Lakes; shaded rocky ground.
POLYTRICHUM JUNIPE

er

Hab.— Bogs in meadows; common.
dy ep ees ATRO- aggre Dks.

Hab.—Twin Lakes; on the ground i in woods.
THUIDIUM BLANDOWI, ‘We b. & Mhr.

Hab.—Twin Lakes; in wet foxes
ELODIUM PALUDO SUM, 8

Hab.—Twin Lakes; in boggy situation.
EURHYNCHIUM STRIGOSUM, Hff

Hab.—Twin Lakes; by the roots of a ne woods.
BRACHYTHECIUM RIVULARE, Br. &

Hab.—Twin Lakes; along the bask of Aisa.
BRACHYTHECIUM C

Hab.—Twin Lakes; on the banks of creeks.
BRACHYTHECIUM SALEBROSUM, H

Hab.—1 win Lakes; on wet eround,
MYURELLA JULA CEA, Sc

: Hab.—Twin Lakes ; on wet gas of streams.
of AMBLYSTEGIUM SPRUCEI
Bey. Hab.—Twin Lakes; in bata places.

moet heat SERPENS,

Hab.—Twin Lakes; on old logs and wet ground.

ALE ‘
ab.—Twin Lakes; on wet ground.
LIMNOBIUM PALUSTRE, Linn
Hab.—Twin Lakes; at nag ‘base of trees at the water’s edge.
LIMNOBIUM PAL USTRE, V
Hab.—Similar otiion

HYPNUM STELLATUM, Schrb.
Hab.—In damp situations, ‘shaded.

ab.—Twin Lakes ; on old logs.

HYPNUM COMPLEXUS, Mitt.(?)
A Hab.—Twin Lakes; on shaded rocks.
me HyPNUM excrnarum, Hedw
Hab.—Twin Lakes; on wet ground,
HYPNUM pice cum, Hedw
Hab. mah es eles on banks of running water.
HYPNU CUM, var. § GRACILESCENS, S.

Hab—Twin hadeen damp, shady ground.
ADUNCUM , var. < tenue, B. & 5.
places.

6 ADUNCUM, V r. giganteum, B. & 8.
Hab —Twin Lakes ; : = standing ‘water.

62

HYPNUM ComMuTATUM, Hedw

Hab.—Twin ane 3 in wet situatio
HYPNUM COMMUTA Ane var. favcanom,

ab. or sina tcalitie

HYPNUM FILICINUM

Hab. <iPWein Lakes; along. the banks of streamlets.
CAMPTOTHECIUM N

Hab.—Twin Lakin moe erass in meadow.

HEPATIC,
By C. F. AUSTIN,

RicciA Frosttt, Austin.
Riccora WaArTsont, Austin.

CHILOSCYPHUS POLYANTHOS, var. RIVULARIS
J a8 pet BICUSPIDATA, Lin

MANNIA INCISA, Schd.
Peateeem anata HORNSCHUSCHIANA, Nees.
JUNGERMANNIA MULLERI, Nee

SCAPANIA hin ati ‘A, Roth,

TT TR Sat Se S

SCAPANIA UNDULATA, Nees.
SCAPANIA ULIGINOSA, Swartz & Nee
A large number of fete are still to be named, “which will be dove
in the next report.

ome few new species of phenogams were found in the collection, and
also many well known species not hitherto found in Colo. rado,

>)