cad Pie Meee ? ai 4 Le is oa auaey A ees wv i re LAP a k aps aad VOLUME 22 PART 7 NORTH AMERICAN FLORA INDEX Orin ALVA STEVENS Subscription Price, $1.00 Separate Copies, $1:50 PUBLISHED BY THE NEW YORK BOTANICAL GARDEN Issued September 23, 1959 INDEX OF NAMES CoMPILED BY ORIN ALVA STEVENS Repetitive epithets and the epithets typica and genuina are omitted from the index, being found on the same page as the names of species to which they are joined. The rank of intra- specific taxa is not indicated, their epithets being generally included in one alphabet under the names with which they are associated. Greek letters, numerals, etc., are omitted. Numbers in boldface indicate places where taxa are named and described. Numbers in italic refer to pages on which the names appear as synonyms. Other numbers refer to the use of names in keys or to passing mention of them without description. The numerous hybrids are not indexed unless they have received distinctive epithets. The members of the families Amygdalaceae to Fabaceae are not described in the present volume. Acaena, 386, 389 adscendens, 390n agrimonioides, 389 californica, 389, 390 brevifoliolata, 390n grandis, 390n polyarthrotricha, 390n remotiflorens, 390n subglabriscapa, 390n elongata, 389, 390 gracilis, 390 lappacea, 390 laevigata, 390 lappacea, 390 pinnatifida, 390 sericea, 390n tortilicarpa, 390n tridactylata, 391n trifida, 390, 391n Achillea millefolium, 4 Acomastylis, 399, 412 arapahoensis, 413 depressa, 412, 413 gracilipes, 352, 412, 413 humilis, 412 rossi, 412, 413 sericea, 412, 413 turbinata, 352n, 412, 413 Adamsia, 407 glacialis, 408 rotundifolia, 411 Adenostoma, 396 fasciculatum, 396, 396 densifolium, 396 hirsutum, 396 obtusifolium, 396 brevifolium, 396, 396 sparsifolium, 396, 397 Adenostomataceae, 240, 396 Agrimonia, 386, 391 americana, 392 bicknellii, 391, 394 brittoniana, 394 eupatoria, 391, 394, 395 americana, 395 {[Agrimonia eupatoria] glabra, 392 hirsuta, 391 mollis, 393 parviflora, 392 gryposepala, 391 hirsuta, 391 incisa, 391, 395 macrocarpa, 391, 392 microcarpa, 391, 393 mollis, 393, 394 bicknellii, 394 parviflora, 391, 392, 393, 395 incisa, 395 macrocarpa, 392 platycarpa, 391, 393 polyphylla, 395 pringlei, 391, 395 pubescens, 391, 393 pumila, 393 rostellata, 391, 392 serrifolia, 395 striata, 391, 392, 394 suaveolens, 395 Alchemilla, 377 sect. Lachemilla, 380 achilleaefolia, 385 alpina, 377, 379 aphanes, 379, 380 argentea, 379 arvensis, 379, 380 glabra, 380 occidentalis, 380 ciliata, 381 cuneifolia, 380 domingensis, 384 filicaulis, 377, 378 glomerulans, 377, 378 hirsuta alpestris, 384 campestris, 382, 383 monandria, 380 nivalis, 381 occidentalis, 380 ocreata, 385 [Alchemilla] orbiculata, 381 pectinata, 381 pinnata, 385 pratensis, 377, 378 procumbens, 382 sibbaldiaefolia, 384 subalpestris, 384 tripartita, 383 velutina, 383 venusta, 382 vulcanica, 382 vulgaris, 377, 378 wichurae, 377, 378 Alchemilleae, 240, 377 Altamiranoa, 7, 49 batesi, 49, 51 calcicola, 49, 50 chihuahuensis, 49, 51 elongata, 49, 50 fusca, 49, 51 galeottiana, 49, 51 goldmani, 49, 50 hemsleyana, 49 jurgensenii, 49, 50 mexicana, 49, 51 parva, 49, 50 scopulina, 49, 51 Altingiaceae, 2, 189, 558 Amyegdalaceae, 2 Ametron, 428 pedatum, 436 Ampomele, 428 Anacampseros linguaefolia, 15 telephioides, 74 ternata, 70 triphylla, 546 Ancistrum acaena, 390n elongatum, 390 Anemone pusilla, 408 Antiphylla, 82, 156 caerulea, 157 oppositifolia, 157, 555 pulvinata, 157 2 [Antiphylla] spatulata arctica, 157 Aphanes, 377, 379 alata, 385 arvensis, 379 australis, 379, 380 cuneifolia, 379, 380 macrosepala, 379, 380 occidentalis, 379, 380 orbictlata, 381 pinnata, 385 tripartita, 383 Apinagia, 5 Argentina, 269, 352, 354, 366 argentea, 352, 353 babcockiana, 352, 354 anserina, 352, 353 concolor, 353 grandis, 353 egedii, 353, 354 litoralis, 353, 354 occidentalis, 352, 354 pacifica, 352, 353 rubra, 355 subarctica, 353, 354 vulgaris, 353 Aruncus, 245, 255 acuminatus, 255 allegheniensis, 255, 256 americanus, 256 aruncus, 255 kamchaticus, 255, 256 pubescens, 255, 256 sylvester, 255 americanus, 256 kamchatica, 256 vulgaris, 255 Astilbe, 82, 157 aruncus, 255 biternata, 157, 158, 555 crenatiloba, 158 crenatiloba, 157, 158 decandra, 158 crenatiloba, 158 rivularis, 157 Aulaxis, 132 micranthifolia, 143 Awayanus, 245 Basilima, 257 millefolium, 257 sorbifolia, 257 Basteria, 237 Batidaea, 428 acalyphacea, 448 amplissima, 447 arizonica, 446 cataphracta, 448 dacotica, 448 elegantula, 447 filipendula, 448 heterodoxa, 447 itascica, 445 laetissima, 448 peramoena, 446 sandbergii, 448 strigosa, 447 subarctica, 448 NORTH AMERICAN FLORA [ Batidaea] subcordata, 448 unicolor, 448 viburnifolia, 446 Beureria, 237 ferax, 238 fertilis, 238 florida, 237 Beutneria, 237 fertilis, 238 florida, 237 mohrii, 238 nana, 238 occidentalis, 238 Blandowia, 3, 5 myriophylla, 5 striata, 5 Blondia, 117 biternata, 158 trifoliata, 119 Bolandra, 82, 119 californica, 119 oregana, 119, 551 Bootia, 366 cymosa, 368 sericea, 349 sylvestris, 368 Bossekia, 425, 428 deliciosa, 427 odorata, 425 parviflora, 426 Botryocarpium, 193 Boykinia, 123 aconitifolia, 124 elata, 124, 125 jamesi, 126 heucheriformis, 552 major, 123 intermedia, 123 nuttallii, 125 occidentalis, 124 cincinnata, 551 elata, 123, 125 purpusi, 122 ranunculifolia, 125 richardsoni, 125 rotundifolia, 125 turbinata, 551 vancouverensis, 551 Bryophyllum, 7, 8 calycinum, 8 pinnatum, 8, 535 Bulliarda, 9 aquatica, 9 vaillantii, 10 Caesalpiniaceae, 2 Callionia, 293 canadensis, 303 pumila, 303 simplex, 302 Calobotrya, 193 sanguinea, 208 Calycanthaceae, 2, 237 Calycanthus, 237 fertilis, 237, 238 ferax, 238 floridus, 237 glaucus, 238 [VoLUME 22, [Calycanthus] inodorus, 238 laevigatus, 238 mohrii, 237, 238 nanus, 238 occidentalis, 237, 238 sterilis, 237 Cardiobatus, 428 nivalis, 439 Carpenteria, 159, 177 californica, 177, 178 Caryophyllata, 401 alba, 403 aquatica, 407 kamtschatica, 408 nutans, 407 officinalis, 406 rivalis, 407 urbana, 406 virginiana, 402 Cercocarpeae, 240, 418 Cercocarpus, 418 alnifolius, 419, 421 argenteus, 419, 422 arizonicus, 419, 423n, 424 betulaefolius, 421 blanchae, 421 glabrescens, 421 betuloides, 419, 421 breviflorus, 419, 422, 423, 424 eximius, 422 douglasii, 418, 421 eximius, 419, 422 flabellifolius, 419, 422 fothergilloides, 418, 419, 420 hypoleucus, 419, 424 intricatus, 419, 424 villosus, 424 ledifolius, 419, 423 intercedens, 423, 424 hirsutus, 424 subglabra, 423 intricatus, 424 macrophyllus, 418, 419 macrourus, 418, 420 minutiflorus, 419, 422 mojadensis, 418, 420 pringlei, 420 montanus, 418, 420 parvifolius, 420, 421 betuloides, 421 brevifolius, 423 breviflorus, 423 glaber, 421 glabrescens, 421 hirsutissimus, 420 minimus, 424 paucidentatus, 422, 423 paucidentatus, 419, 422, 423 pringlei, 418, 420 rotundifolius, 418, 421 treleasei, 423 traskiae, 418, 419 Cerophyllum, 193 douglasii, 200 inebrians, 201 Part 7, 1959] Chamaebatia, 399, 417 australis, 417, 418 foliolosa, 417 australis, 418 Chaembatiaria, 257 glutinosa, 257, 258 millefolium, 257 Chamaemorus, 428 norvegica, 435 Chamaephyton, 293 Chamaerhodos, 269, 376 erecta, 377 nuttallii, 377 nuttallii, 377, 377 Chondrosea, 82, 131 aizoon, 131, 552 pyramidalis, 131 Chrysobotrya, 193 aurea, 559 intermedia, 204 lindleyana, 204 odorata, 559 revoluta, 205 Chrysosplenium, 81, 83 alternifolium, 83 americanum, 83, 84, 549 beringianum, 83 glechomaefolium, 83, 84 iowense, 83, 549 oppositifolium, 83, 84 scouleri, 84 scouleri, 84 tetrandrum, 83, 83 Ciliaria, 151 Clementsia, 7, 29 rhodantha, 29, 540 Cnestidium, 233, 236 rufescens, 236 Coelas, 365 Coleogyne, 240, 397 ramosissima, 397 Coelogyneae, 240, 397 Colurieae, 240, 397 Comarella, 269, 291 multifoliata, 291, 292 sabulosa, 291, 292 Comarobatia, 428 lasiococca, 436 Comaropsis, 398 doniana, 398 fragarioides, 398 pedata, 436 Comarum, 269, 355 angustifolium, 355 parvifolium, 355 digitatum, 355 palustre, 355 villosum, 355 tomentosum, 355 Conimitella, 82, 96 williamsii, 97, 550 Connaraceae, 2, 233, 560 Connarus, 233, 234 glabra, 233 grandifolius, 234, 235 guianensis, 234 lamberti, 234 macrocarpus, 234 INDEX OF NAMES [Connarus | panamensis, 234, 235, 235 pottsii, 234 reticulatus, 234, 235 turzcaninowil, 234, 235 williamsii, 560 Corcorus japonicus, 481 Coreosoma, 193 affinis, 203 americana, 559 florida, 206 longiflora, 559 multiflora, 203 odorata, 559 prostrata, 559 sanguinea, 208 tristis, 559 viscosissima, 202 Cornidia, 159, 161 peruviana, 161 radiata, 161 umbellata, 161 Corynephyllum, 7, 28 viride, 29 Cotyledon acutifolia, 24 adunca, 13 agavoides, 32 albiflora, 30 atropurpurea, 17 attenuata, 54 batesii, 49, 51 bifida, 20 caespitosa, 25n, 46 paniculata, 45 californica, 46 canaliculata, 17 carnicolor, 18 coccinea, 13, 15 corderoyi, 32 cymosa, 41 desmetiana, 19 edulis, 52, 53 elegans, 27 farinosa, 37 fulgens, 25 galeottiana, 51 glauca, 21 grayi, 18 jurgensenii, 50 laciniata, 535 lanceolata, 43 laxa, 39 setchellii, 37 linearis, 38 lingula, 45 linguaefolia, 15 linguaeformis, 46 lurida, 18 mexicana, 5/ mucronata, 15 nevadensis, 40 nodulosa, 17 nubigena, 42 nuda, 16 nudicaule, 54 oregonensis, 47 [Cotyledon] pachyphytum, 12 palmeri, 44 parviflora, 29, 30n, 31 squamulosa, 31 peacockii, 19 pinnata, 8 plattiana, 34, 40 pringlei, 16 pubescens, 15 pulverulenta, 43 pulvinata, 16 pumila, 21 purpusi, 41 reflexa, 46 retusa, 23 roseata, 33 rubens, 43 rusbyi, 35 saxosum, 37 schaffneri, 23 scheerii, 25 secunda, 22 stolonifera, 24 strictiflora, 19 subrigida, 23 subulifolia, 23 viscida, 52 Courantia, 7, 32, 33 echeverioides, 33 rosea, 33 Cowania, 399, 414 alba, 415, 416 davidsonii, 415, 416 ericaefolia, 415, 416 havardi, 416 mexicana, 414, 415, 413, 416 dubia, 416 plicata, 415, 415 purpurea, 475 stansburyana, 415 Crassula, 8 aquatica, 9 minima, 8 vaillantii, 10 Crassulaceae, 1, 7, 535 Crassuvia, 8 vaillantii, 10 Cremnophila, 8, 56 nutans, 56, 542 Crossoma, 231 bigelovii, 231 californicum, 231 glaucum, 231, 232 parviflorum, 231, 232 Crossomataceae, 2, 231 Cumbata, 428 Cunoniaceae, 1, 179, 557 Cyclactis, 428 lyncemontana, 438 montana, 438 Cylastis, 428 Dactyloides caespitosa, 552 Dactylophyllum, 293, 352, 356, 365 anserina, 353 4 Dalibarda, 424, 425 cordata, 425 fragarioides, 398 lobata, 398 pedata, 436 repens, 425 violaeoides, 425 Dasiphora, 269, 366 floribunda, 366 fruticosa, 366 monticola, 366 tenuifolia, 366 riparia, 366 Decumaria, 159, 175 barbara, 175, 556 forsythia, 175 radicans, 175 sarmentosa, 175 scandens, 175 Dermasea, 132 elongata, 141 nivalis, 136 pilosa, 141 Deutzia californica, 167 mexicana, 162 pringlei, 555 occidentalis, 555 ovulis, 555 pringlei, 555 Diamorpha, 8, 55 cymosa, 55, 56 pusilla, 56 smallii, 55, 56 Dimopogon, 245 Diotostemon sodalis, 12n Drummondia, 93 mitelloides, 93 Dryadea, 399 drummondii, 400 octopetala, 400 Dryadeae, 240, 399 Dryas, 399 alpina, 400 anemonoides, 408 chamaedrifolia, 400 chamaedryoides, 400 drummondii, 400 integrifolia, 399, 400 canescens, 400 intermedia, 400n octopetala, 399, 400 argentea, 400 drummondii, 400 hirsuta, 400 integrifolia, 400 minor, 400 pentapetala, 408 tenella, 400 tomentosa, 400, 401 Drymocallis, 269, 366 agrimonioides, 367, 368 albida, 368, 375 amplifolia, 368, 373 arguta, 368 arizonica, 367, 373 ashlandica, 367, 370 NORTH AMERICAN FLORA [Drymocallis] convallaria, 367, 369, 369 corymbosa, 367, 369 cuneata, 368 cuneifolia, 368, 376 fissa, 367, 372 foliosa, 367, 371 glabrata, 367, 371 glandulosa, 367, 372 incisa, 374 monticola, 370 glutinosa, 371 gracilis, 367, 370 hanseni, 367, 373 incisa, 368, 374 lactea, 367, 369 laxiflora, 368, 374 micropetala, 368, 375 monticola, 367, 370 oregana, 368, 374 pseudorupestris, 367, 370 intermedia, 370 pumila, 367, 372 reflexa, 368, 374, 375, 376 rhomboidea, 368, 372, 376 rubricaulis, 367 valida, 367, 371 viscida, 368, 375 viscosa, 367, 372 wrangeliana, 368, 374 Duchesnea, 269, 355 fragarioides, 356 fragiformis, 356 indica, 356 Dudleya, 7, 33 abramsi, 33, 36 acuminata, 35, 45 albiflora, 33, 35 aloides, 33, 37 angustiflora, 33, 36 anthonyi, 33, 35 bernadina, 34, 39 brandegei, 34, 42, 541 brauntoni, 34, 44 brevipes, 34, 44 bryceae, 34, 39 caespitosa, 35, 46 candelabrum, 33, 38 candida, 34, 39 compacta, 34, 44 congesta, 34, 44 cotyledon, 35, 46, 541 cultrata, 33, 38 cymosa, 34, 41 delicata, 34, 43 eastwoodiae, 34, 45 elongata, 35, 47 farinosa, 33, 37 gigantea, 34, 43 goldmani, 34, 40 grandiflora, 33, 37 greenei, 33, 38 hallii, 33, 38, 541 helleri, 35, 46 humilis, 35, 46 ingens, 34, 39 lanceolata, 34, 43 laxa, 34, 39 [VoLUME 22, [ Dudleya] linearis, 33, 38 lingula, 35, 45, 541 lurida, 34, 42 minor, 34, 40 nevadensis, 34, 40, 541 nubigena, 34, 42 ovatifolia, 34, 40 palmeri, 34, 44, 541 paniculata, 35, 45, 541 parishii, 34, 41 pauciflora, 34, 42 plattiana, 34, 40, 541 pulverulenta, 33, 35 pumila, 33, 36 purpusi, 34, 41 reflexa, 33, 36 rigida, 34, 43 rigidiflora, 34, 39 robusta, 34, 41 rubens, 34, 43 rusbyi, 33, 35, 541 saxosa, 33, 37, 541 septentrionalis, 35, 45 setchellii, 33, 37, 541 sheldoni, 34, 41 tenuis, 33, 36 xantii, 34, 42 Duforea, 3 hypnoides, 3 Dulongia laticuspis, 191 Dyctisperma, 428 Dynamidium, 293 reptans, 302 Edwinia, 159, 175 americana, 175, 556 californica, 175, 176, 556 macrocalyx, 175, 176, 556 wrightii, 177 Echeveria, 7, 13 acutifolia, 12, 24 adunca, 13 agavoidés, 32 amoenf, 15, 26 argentea, 35 atropurpurea, 13, 17 australe, 537 australis, 13, 17, 537 bifida, 14, 20 bifurcata, 537 bracteosa, 12 brandegii, 541 brittonti, 542 byrnesii, 14, 20 caespitosa, 46 californica, 46 campanulata, 15, 25 canaliculata, 13, 17 carnicolor, 14, 18, 537 clavifolia, 12n coccinea, 13, 15 corderoyi, 32 cotyledon, 541 crenulata, 539 cuspidata, 14, 20n, 21, 538 cymosa, 41 debilis, 542 Part 7, 1959] [Echeveria ] desmetiana, 19 discolor, 26n elegans, 14, 22 expatriata, 15, 26 farinosa, 26n, 37 farinulenta, 26n fimbriata, 538 fulgens, 15, 25 funkii, 26n gibbiflora, 15, 25 gigantea, 539 glauca, 14, 19, 20n, 21n, 21 gloriosa, 538 goldmani, 13, 17 gormanii, 542 grandiflora, 25 grandis, 25 grayi, 18 guatemalensis, 537 hallii, 541 heterosepala, 14, 20 holwayi, 539 humilis, 14, 20 jepsoni, 541 lanceolata, 33, 43 laxa, 39 leucotricha, 536 linguaefolia, 13, 15 lingula, 541 lozani, 14, 23 lurida, 13, 18 lutea, 537 maculata, 14, 18 maxon, 537 microcalyx, 539 minutiflora, 14, 22, 538, 540 montana, 13, 16 mucronata, 13, 15 multicaulis, 13, 16, 536 nevadensis, 541 nodulosa, 13, 17, 537 nuda, 13, 16 obtusata, 541 obtusifolia, 14, 24, 25n oregana, 542 pachyphytum, 12 palmeri, 14, 24, 538, 541 paniculata, 14, 18 peacockii, 14, 19, 20n pinetorum, 14, 20 pitteri, 536 plattiana, 541 platyphylla, 14, 19 pringlei, 13, 16 pubescens, 13, 15 pulchella, 15, 26 pulverulenta, 35 pulvinata, 13, 16 pumila, 14, 21 purpusi, 15, 26, 41, 539 racemosa, 14, 18 retusa, 14, 23 rosea, 32, 33 rosei, 538 rubromarginata, 14, 23 rusbyi, 541 sanguinea, 17 INDEX OF NAMES [Echeveria] saxosa, 541 schaffneri, 14, 23 scheerii, 14, 17, 25 scopulorum, 14, 25 secunda, 14, 20n, 22 glauca, 2/ pumila, 21 sessiliflora, 13, 15 setchellii, 541 setosa, 538 simulans, 14, 22 sobrina, 26n sodalis, 11 spathulifolia, 26n spilota, 22 stolonifera, 14, 24 strictiflora, 14, 19 subalpina, 538 subrigida, 14, 23 subsessilis, 14, 19 subulifolia, 23 tenuis, 14, 19 teretifolia, 14, 23 tolucensis, 14, 22 trianthina, 537 turgida, 14, 21, 538 walpoleana, 14, 24 watsoni, 541 Elmera, 82, 97 racemosa, 97 Epicostorus, 240 montanus, 244 Eriogynia, 254 sect. Kelseya, 254 caespitosa, 253 hendersoni, 255 pectinata, 255 uniflora, 254 Erythrocoma, 407 affinis, 409 aliena, 409 arizonica, 409 australis, 410n brevifolia, 410 campanulata, 409 canescens, 409 ciliata, 410 ornata, 410 cinerascens, 409 dissecta, 410 flavula, 410 grisea, 409 triflora, 409 tridentata, 409 Escallonia, 557 myrtilloides, 557 poasana, 558 Escalloniaceae, 557 Evaiezoa, 131 Exochorda davidiana, 482 Fabaceae, 2 Fallugia, 399, 414 acuminata, 414 micrantha, 414 mexicana, 414 micrantha, 414 [Fallugia] paradoxa, 414 acuminata, 414 Fendlera, 159, 177 falcata, 557 rupicola, 177, 557 lindheimeri, 177 wrightii, 177 tomentella, 557 utahensis, 176 wrightii, 177 Fendlerella, 159, 176 cymosa, 556 mexicana, 556 utahensis, 176, 556 Filipendula, 266 denudata, 266, 267 filipendula, 266, 267 hexapetala, 267 kamtschatica, 266, 268 lobata, 268 occidentalis, 266, 268 rubra, 266, 267 ulmaria, 266 denudata, 267 vulgaris, 267 Forsythia scandens, 175 Fothergilla, 185 alnifolia, 185 carolina, 185 gardeni, 185, 558 major, 185, 186, 558 monticola, 186 parvifolia, 185 Fragaria, 269, 356 americana, 357, 360 alba, 359 ananassa, 362 anserina, 353 argentea, 308 australis, 356, 357, 361 bonariensis, 357 bracteata, 356, 359 californica, 356, 358, 359, 361 franciscana, 358 canadensis, 303, 357, 360, 362, 362, 364 chilensis, 357, 360 scouleri, 357 chiloensis, 356, 357, 359 scouleri, 357 crinita, 356, 358 cuneifolia, 357, 360 elatior, 362 firma, 364 fruticosa, 366 glauca, 357, 364 grandiflora, 357, 362 grayana, 357, 362 grossa, 357 helleri, 356, 358 indica, 356 insularis, 356, 359 latiuscula, 361 lucida, 358 mexicana, 356, 358 [Fragaria] monspeliensis, 307 multicipita, 357, 363 multifida, 348 nivea, 332 norvegica, 307 ovalis, 352n, 357, 364 palustris, 355 parviflora, 307 pauciflora, 357, 364 platypetala, 357, 361 prolifica, 357, 363 pumila, 357, 363 reptans, 302 retrorsa, 359 serotina, 362 sericea, 357 sibbaldifolia, 357, 361 suksdorfii, 357, 361 terra-novae, 357, 363 truncata, 357, 360 vesca; 350, -357, 358; 359, 359, 360, 361, 362, 364 alba, 359 albicarpa, 359 americana, 360 ananus, 362 chiloensis, 357 virginiana, 357, 362, 362, 363 australis, 361 glauca, 364 grayana, 362 illinoensis, 361, 362 vulgaris, 359 alba, 359 yukonensis, 357, 364 Geum, 399, 401 agrimonioides, 368, 403 album, 403 flavum, 403 anemonoides, 408 auranticum, 407 camporum, 401, 403 canadense, 401, 403, 403 405 flavum, 403 calthifolium, 411, 412 congestum, 411 dilatatum, 411 rotundifolium, 411 carolinianum, 403 cercocarpoides, 414 chamaedryfolium, 400 ciliatum, 410 decurrens, 401, 404 dryas, 408 dryadoides, 415 flavum, 403 franckii, 402 geniculatum, 402, 406 glaciale, 408 glutinosum, 368 grahami, 409 heterophyllum, 402, 405 hirsutum, 403, 410 humile, 412 kamtschaticum, 408, 411 , NORTH AMERICAN FLORA [Geum ] laciniatum, 402 macrophyllum, 401, 405n, 407n mexicanum, 402, 406 meyerianum, 401, 403 nutans, 407 oregonense, 402, 404, 405n paradoxum, 414 parviflorum, 402 peckii, 411 perincisum, 402, 405 pubescens, 410 pulchrum, 407 radiatum, 411 peckii, 411 radicatum, 411 rafinesqueanum, 407 rivale, 402, 405n, 407 rossi, 412, 413 humilis, 412 rotundifolium, 411 scopulorum, 405 sericeum, 413 strictum, 402, 404, 405, 407 triflorum, 409, 413 turbinatum, 352, 413 urbanum, 401, 402, 406 oregonense, 404 vernum, 401, 402 virginianum, 401, 402, 403, 406 waldsteinia, 398 Gillenia, 258 stipulacea, 258 trifoliata, 258 Gormania, 7, 47 anomala, 72 burnhami, 47, 48 debilis, 47, 48, 542 eastwoodiae, 47, 49 halli, 47, 48, 542 laxa, 47, 48, 542 obtusata, 47, 541 oregana, 47, 48, 542 retusa, 47, 49 watsoni, 47, 541 Graptopetalum, 540 pusillum, 540 Greggia, 414 purpurea, 415 rupestris, 415 Grossularia, 192, 209 sect. Cynosbati, 211 sect. Divaricatae, 212 sect. Lobbii, 210 sect. Madrensis, 211 sect. Menziesii, 209 sect. Microphyllae, 211 sect. Niveae, 211 sect. Pinetorum, 210 sect. Reclinatae, 211 sect. Speciosae, 209 sect. Watsonianae, 210 amara, 210, 216, 559 binominata, 210, 218 californica, 210, 214 campestris, 560 404, [VoLUME 22, [ Grossularia | cognata, 211, 222 cruenta, 210, 215, 559 curvata, 211, 221, 560 cynosbati, 211, 220, 559 divaricata, 212, 224 greeneiana, 209, 212 hesperia, 210, 215 hirtella, 212, 225, 560 hystrix, 210, 213 inermis, 212, 224, 560 irrigua, 211, 222 klamathensis, 212, 225, 560 lasiantha, 211, 219 leptantha, 211, 219, 559 leptosoma, 210, 214, 559 lobbii, 210, 217 madrensis, 211, 218 marshallii, 210, 217 menziesii, 210, 213 microphylla, 211, 219 missouriensis, 211, 221, 560 nivea, 211, 221 oxyacanthoides, 211, 223, 560 parishii, 212, 224 pinetorum, 210, 217 purpusi, 560 quercetorum, 211, 220 reclinata, 211, 223, 560 roezli, 210, 215, 559 rotundifolia, 212, 223, 560 saxosa, 560 senilis, 209, 214, 559 sericea, 210, 216 setosa, 211, 222, 560 speciosa, 209, 212, 559 triflora, 223 tularensis, 211, 218, 559 uva-crispa, 223 velutina, 211, 220 victoris, 209, 213 vulgaris, 223 watsoniana, 210, 218 Grossulariaceae, 2, 193, 558 Hamamelis, 185, 186 androgyna, 186 caroliniana, 186 corylifolia, 186 dioica, 186 dentata, 186 estivalis, 186 macrophylla, 186 monoica, 185 nigra, 186 parvifolia, 186 rotundifolia, 186 vernalis, 558 virginiana, 185, 186, 558 angustifolia, 558 carolina, 185 orbiculata, 558 parvifolia, 186 Hamamelidaceae, 2, 185, 558 Hasseanthus, 8, 54 blochmanae, 55 elongatus, 55 Part 7, 1959] [ Hasseanthus] multicaulis, 55 variegatus, 55 Hemieva, 82, 121 ranunculifolia, 121 richardsoni, 125 violacea, 121 Heterisia, 82, 155 eastwoodiae, 156, 555 mertensiana, 156, 555 Heuchera, 82, 97 sect. Americanae, 98, 104 sect. Bracteatae, 98, 111 sect. Cylindricae, 98, 115 sect. Hispidae, 98, 106 sect. Micranthae, 98, 102 sect. Parvifoliae, 98, 113 sect. Pilosissimae, 98, 112 sect. Rubrescentes, 98, 107 sect. Sanguinae, 98, 116 sect. Villosae, 98, 101 abramsii, 99, 109 acerifolia, 101 aceroides, 99, 106 acutifolia, 99, 108 alpina, 115 americana, 97, 98, 104, 550 arkansana, 98, 101 barbarosa, 103 bracteata, 100, 111 caespitosa, 99, 109 californica, 118 calycosa, 98, 102n, 104 caulescens, 101, 105 chlorantha, 550, 551 ciliata, 99, 107 columbiana, 100, 116, 550, ul cortusa, 104 crinita, 98, 101 cuneata, 100, 111 curtissii, 99, 105, 550 cylindrica, 100, 115, 550, 550, 551 alpina, 115 glabella, 116 ovalifolia, 115 tenuifolia, 116 divaricata, 102 diversifolia, 98, 102 elegans, 99, 108 exrubescens, 117 flavescens, 100, 114 flabellifolia, 100, 115, 551 glabella, 101, 116 glaberrima, 98, 103 glabra, 98, 102 glauca, 98, 105 gracilis, 100, 114 Sree ole 100, 114, 1 hallii, 100, 114, 551 grossularifolia, 551 halstedti, 98, 104 hapemani, 122 hartwegii, 98, 102 hemisphaerica, 100, 112 hirtiflora, 112 INDEX OF NAMES [Heuchera] hirsuta, 99, 109 hirsuticaulis, 98, 99, 104, 550 hispida, 99, 107, 112, 551 hirsuticaulis, 104 lancipetala, 99, 105 leptomeria, 99, 110 lithophila, 100, 111 lloydii, 100, 113 longiflora, 99, 106, 551 longipetala, 99, 107 lucida, 105 macrophylla, 117 macrorhiza, 98, 101, 550 maxima, 100, 113 menziesii, 90 merriami, 100, 112 mexicana, 99, 108 micrantha, 98, 102, 103, 550 minutiflora, 100, 113 nana, 100, 111 novomexicana, 100, 113 nuttallii, 98, 103 obtusissima, 117 orizabensis, 99, 108 ovalifolia, 99, 115 pachypoda, 99, 109 parishii, 99, 109 parviflora, 98, 99, 103, 550 dissecta, 551 panos LOO AR TS: 1 5 pilosella, 100, 112 pilosissima, 100, 102, 112 hartwegii, 102, 112 pringlei, 99, 100, 111 puberula, 98, 103, 550 pubescens, 97, 106, 550 pulchella, 551 pulchra, 100, 117 pulverulenta, 106 racemosa, 97 reglensis, 99, 108 reniformis, 106 ribifolia, 106 richardsonii, 99, 107 roseola, 99, 105 rubescens, 99, 108, 110, 110 nana, 111 oregonensis, 111 rugelii, 103 sanguinea, 101, 116 saxicola, 115 scabra, 99, 106 scapigera, 104 sitgreavesii, 100, 110 suksdorfii, 100, 116 squamosa, 101 tenutfolia, 101, 116 townsendii, 101, 117 undulata, 117 utahensis, 100, 114 versicolor, 100, 110, 551 villosa, 98, 101, 550 viscida, 104 williamsii, 97 wootonii, 100, 113 Hexophoma, 148 ferruginea, 150 petiolaris, 150 Hirculus, 151 flagellaris, 154 punctatus, 152 Holochloa, 97 cylindrica, 115 elata, 115 glabra, 116 Holodiscus, 261 argenteus, 266 bifrons, 265 ariaefolius, 262 australis, 263 discolor, 262, 266 ariaefolius, 262 dumosa, 263 dumosus, 263, 264 glabrescens, 265 microphyllus, 264, 424 saxicola, 263 Holodisceae, 239, 261 Horkelia, 269 sect. Californicae, 269, 270, 271 sect. Capitatae, 270, 276 sect. Cuneatae, 269, 272 sect. Hirsutae, 270, 271, 280 sect. Horkeliella, 282 sect. Sericatae, 270, 278 sect. Tenuilobae, 269, 270, 275 sect. Tridentatae, 270, 271, 279 argyrocoma, 284 baileyi, 290 setosa, 290 bernardina, 270, 273 bolanderi, 270, 274 marinensis, 274 parryi, 273 brownii, 270, 276 californica, 269, 270, 271 cuneata, 275 paucifoliolata, 274 sericea, 273 campestris, 285 capitata, 207, 274, 277 caruifolia, 271, 281 chaetophora, 290 chandleri, 279, 287 clevelandi, 270, 273 congdonis, 282, 283 congesta, 271, 277, 280, 280, 281 cuneata, 270, 275 daucifolia, 271, 281 douglasiana, 275 elata, 270, 272 eremica, 286 flavescens, 271, 279 frondosa, 270, 271 fusca, 270, 278 tenella, 276 tenuiloba, 276 glandulosa, 270, 272 8 [Horkelia] gordonii, 283, 289 alpicola, 289 megalopetala, 289 pygmaea, 289 grandis, 271 hendersonii, 270, 276 hirsuta, 271, 280 hispidula, 270, 278 howellii, 271, 281 integrifolia, 271, 279 kelloggii, 270, 273 kingti, 286 laxiflora, 271, 281 lycopsioides, 288 micheneri, 270, 272 mollis, 285 muirii, 287 multifoliata, 291 mutabilis, 288 parryi, 270, 273, 275 parviflora, 270, 277 pickeringii, 284 pilosa, 280 pinetorum, 282 platycalyx, 270, 274 platypetala, 275 pseudocapitata, 270, 277 puberula, 270, 275 pulchra, 271, 280 purpurascens, 282 pygmaea, 289 rydbergii, 270, 273 saxosa, 335 scandularis, 288 sericata, 270, 278 sericea, 273 sericoleuca, 284 schockleyi, 289 tenella, 270, 276, 278 tenuiloba, 270, 276 tenuisecta, 270, 278 tilingi, 279 tridentata, 271, 279 integrifolia, 279 truncata, 270, 274 unguiculata, 285 utahensis, 287 webberi, 287 wilderae, 270, 272 Horkeliella, 269, 282 congdonis, 282, 283 pinetorum, 282 purpurascens, 282 Hydatica, 148, 554 brunoniana, 554 bryophora, 554 ferruginea, 554 foliolosa, 554 newcombei, 554 petiolaris, 554 stellaris, 554 vreelandii, 554 Hydrangea, 159 acuta, 160 amplifolia, 160 angulata, 161 arborescens, 160, 555 NORTH AMERICAN FLORA [Hydrangea arborescens] kanawhana, 160 cinerea, 160, 555 cordata, 160 discolor, 160 frutescens, 160 glauca, 160 heterophylla, 160 nivea, 160 peruviana, 161 quercifolia, 160, 161 quinquefolia, 161 radiata, 160, 161 rotundifolia, 160 viburnifolia, 160 vulgaris, 160 carnea, 160 cordata, 160 Hydrangeaceae, 1, 159, 555 Hypargyrium, 293 argentatum, 308 rectum, 309 suberectum, 309 Icotorus, 240 montanus, 244 Itea, 181 virginica, 181, 557 Iteaceae, 2, 181, 557 Ivesia, 269, 283 sect. Eremicae, 283, 286 sect. Lycopodioides, 283, 286 sect. Setosae, 283, 290 sect. Unguiculatae, 283, 284 alpicola, 289 argyrocoma, 283, 284 baileyi, 284, 290 setosa, 290 callida, 283, 286 campestris, 283, 285 chaetophora, 284, 290 chandleri, 283, 287 depauperata, 291 eremica, 283, 286 gordoni, 284, 289 lycopodioides, 288 pygmaea, 289 gracilis, 308 kingii, 283, 286 lemmoni, 346 lycopodioides, 284, 288 megalopetala, 284, 289 mollis, 283, 285 muirii, 283, 287 mutabilis, 284, 288 pallida, 286 pickeringii, 283, 284 pinnatifida, 344 pygmaea, 284, 288, 289 sabulosa, 292 santolinoides, 292 scandularis, 284, 288 schockleyi, 284, 289 sericoleuca, 283, 284 setosa, 284, 290 tridentata, 279 tweedyi, 283, 288 unguiculata, 283, 284, 285 [VoLuME 22, [Ivesia] utahensis, 283, 287 campestris, 285 webberi, 283, 287 Jamesia, 175 americana, 175 californica, 556 macrocalyx, 556 Jepsonia, 82, 120 heterandra, 120 malvifolia, 120 parryi, 120 Kalanchoe, 535 brasiliensis, 535 Kelseya, 245, 254 uniflora, 254 Kerria, 481 japonica, 481 tetrapetala, 481 Kerrieae, 240, 481 Kingstonia, 15] Krameriaceae, 2 Kunzia, 416 glandulosa, 417 tridentata, 417 Lachemilla, 377, 380 bourgeaui, 381, 384 domingensis, 381, 384 ocreata, 381, 385 orbiculata, 381 orizabensis, 381, 383 pringlei, 381, 383 procumbens, 381, 382 schiedeana, 381, 382 sibbaldiaefolia, 381, 384 subalpestris, 381, 384 tripartita, 381, 383 velutina, 381, 383 venusta, 381, 382 vulcanica, 381, 382 Lacis ceratophylla, 6 foeniculacea, 4 schiedeana, 4 Lenophyllum, 7, 27 acutifolium, 27, 28 gutattum, 27 pusillum, 27, 28 texanum, 27, 28 weinbergii, 27 Leptarrhena, 82, 150 amplexifolia, 151 inundata, 156 pyrolifolia, 151 Leptasea, 82, 151 aizoides, 151, 153, 555 alaskana, 151, 152, 555 austromontana, 152, 153, cherleroides, 151, 153 chrysantha, 151, 152, 555 fimbriata, 152, 154 flagellaris, 152, 154, 555 funstonii, 152, 154, 555 hirculus, 151, 152, 555 ledifolia, 152, 155 mertensiana, 555 serpyllifolia, 151, 152 Part 7, 1959] [ Leptasea] tolmiei, 152, 155 tricuspidata, 152, 154, 555 van-bruntiae, 152, 153 vespertina, 152, 153, 555 Leptaxis, 81, 90 menziesii, 90, 550 Leuropetalon, 81, 82 spathulatum, 83 Limnobotrya, 558 echinata, 558 lacustris, 558 montigena, 558 parvula, 558 Lindleya, 259 mespiloides, 259 Lindleyella, 259 mespiloides, 259 schiedeana, 259 Lithophragma, 81, 84 affinis, 85, 89 anemonoides, 550 australis, 84, 86, 549 austromontana, 87, 550 bolanderi, 85, 88 breviloba, 84, 86, 549 bulbifera, 85, 86, 549 campanulata, 85, 87 catalinae, 85, 88, 549 cymbalaria, 85, 88 glabra, 84, 85, 86 heterophylla, 85, 87, 88, 549 intermedia, 85, 88, 549 laciniata, 85, 87, 549 nudicaulis, 95 parviflora, 85, 86, 89, 550 micrantha, 89 rupicola, 85, 86 scabrella, 85, 88 tenella, 84, 85, 86, 549 florida, 549 ramulosa, 549 triloba, 85, 87, 549 trifida, 85, 89, 549 trifoliata, 85, 89 tripartita, 85, 87 williamsii, 97 Liquidambar, 189 barbata, 189 gummitera, 189 macrophylla, 189 styraciflua, 189, 558 mexicana, 189 Lobaria, 126 cernua, 128 rivularis, 127 Luetkea, 245, 254 caespitosa, 253 elatior, 254 cinerascens, 253 hendersoni, 253 pectinata, 255 sibbaldioides, 128, 255 uniflora, 254 Lyonothamnus, 179, 180 asplenifolius, 180 floribundus, 180, 557 asplenifolius, 180 INDEX OF NAMES Malaceae, 2 Manteia, 428 acaulis, 437 stellata, 436 Marathrum, 3, 4 cubanum, 4 flexuosum, 4 foeniculaceum, 4 modestum, 4 oxycarpum, 4, 5 ricciaeforme, 5 schiedeanum, 4 modestum, 4 tenue, 4 Melanobatus, 428 bernardinus, 444 glaucifolius, 444 leucodermis, 444 michiganensis, 443 neglectus, 443 nigerrimus, 445 occidentalis, 443 Micranthes, 82, 132 aequidentata, 132, 145, 554 aestivalis, 134, 147 allenii, 133, 144, 554 apetala, 132, 135, 552 aprica, 132, 135 arguta, 134, 147, 554 arnoglossa, 133, 138, 553 austrina, 554 bidens, 132, 137, 553 brachypus, 133, 139, 553 californica, 133, 140, 553 careyana, 133, 142 caroliniana, 134, 146, 554 claytoniaefolia, 133, 141, 556 columbiana, 132, 135 crenatifolia, 132, 134, 552 davurica, 133, 143 eriophora, 133, 142, 554 fallax, 133, 141 flabellifolia, 133, 143 fragosa, 132, 137, 553 franciscana, 133, 144, 554 galacifolia, 133, 147 gaspensis, 552 geum, 134, 148, 554 grayana, 146 greenei, 132, 137, 553 hieracifolia, 132, 134, 552 howellii, 133, 140 integrifolia, 132, 137, 553 interrupta, 553 kumleinii, 133, 144, 554 lata, 134, 145, 554 lyallii, 133, 143, 554 marshallii, 134, 145 mertensiana, 555 micranthidifolia, 133, 143, 554 montana, 132, 138, 553 montanensis, 133, 139 napensis, 133, 140 nelsoniana, 134, 147, 554 nidifica, 132, 134 { Micranthes ] nivalis, 132, 136, 552 occidentalis, 133, 144 odontoloma, 554 oregana, 133, 138, 553 parvifolia, 133, 141 pennsylvanica, 133, 139, 553 plantaginea, 132, 135 reflexa, 134, 146 rhomboidea, 132, 136, 552 rufidula, 133, 140, 553 rydbergii, 132, 134 saximontana, 133, 145 semipubescens, 132 sierrae, 132, 138 spicata, 134, 146 subapetala, 133, 139 tennesseensis, 133, 142 tenuis, 132, 136, 553 texana, 132, 136, 553 virginiensis, 133, 141, 553 yukonensis, 133, 145, 553 Mimosaceae, 2 Miscopetalum, 126 Mitella, 81, 91 sect. Mitellastra, 92 anomala, 96 brewerii, 93 caulescens, 92 diphylla, 91, 91, 550 diversifolia, 94 diversiloba, 94 grandiflora, 90 hallii, 94 intermedia, 91, 92 latiflora, 550 micrantha, 96 nuda, 91, 92, 550 oppositifolia, 91 ovalis, 94 pacifica, 550 pentandra, 93 parryi, 550 prostrata, 92 reniformis, 92 stauropetala, 95 stenopetala, 96 parryi, 96 trifida, 94, 95, 96 integripetala, 550 violacea, 95, 96 Mitellastra, 81, 92 caulescens, 92 Mitellopsis, 93 sect. Mitellina, 94 drummondii, 93 hookeri, 95 pentandra, 93 trifida, 95 Monostylis, 5 Muscaria, 82, 129 adscendens, 129, 552 caespitosa, 129, 130, 552 delicatula, 129, 552 emarginata, 129, 130, 552 micropetala, 129, 552 monticola, 129, 130, 552 10 [Muscaria] oregonensis, 552 sileniflora, 129, 130 Neillia, 240 alternans, 245 capitata, 241 malvacea, 244 monogyna, 244 malvacea, 244 opulifolia, 241, 242 alternans, 245 ferruginea, 243 mollis, 241 multiflora, 242 pauciflora, 245 torreyi, 244 Neillieae, 239, 240 Neolacis, 5 myriophylla, 5 Neviusia, 481 alabamensis, 481 Neodeutzia, 159, 161 mexicana, 161, 162 occidentalis, 555 ovalis, 161, 162, 555 pringlei, 555 Nuttallia, 482 cerasiformis, 482 Ocrearia, 82, 155 nudicaulis, 155 Oliveranthus, 7, 27 elegans, 27 Oliverella, 27 elegans, 27 Omphalobium lambertii, 234 Opulaster, 2, 240 alabamensis, 241, 243 alternans, 241, 245 australis, 241, 242 bracteatus, 241, 243 bullatus, 241 capitatus, 241, 242 cordatus, 241, 242 glabratus, 241, 243 hapemanii, 241, 244 intermedius, 241, 242, 243 malvaceus, 241, 244 monogynus, 241, 244 opulifolius, 240, 241 capitatus, 242 tomentellus, 242 pauciflorus, 244 pubescens, 244 ramaleyi, 242, 243 stellatus, 241, 243 Oreanthus, 97 Oreobatus, 425, 427 deliciosus, 427 neomexicanus, 427, 428 rubicundus, 427 trilobus, 427, 428 Oreotrys, 97 bracteata, 111 Oserya, 3, 6 coulteriana, 6 flabellifera, 6 NORTH AMERICAN FLORA Osmaronia, 482 bracteosa, 482 cerasiformis, 482 lancifolia, 482 nigra, 452 demissa, 482 laurina, 482 obtusa, 482 padifolia, 482 Osmaronieae, 240, 482 Ozomelis, 81, 94 anomala, 94, 96 diversifolia, 94 micrantha, 94, 96 pacifica, 94, 95, 550 parryi, 94, 96, 550 stauropetala, 94, 95 stenopetala, 94, 96 trifida, 94, 95 varians, 95 violacea, 94, 95, 550 Pachyphytum, 7, 11 aduncum, 11, 13 amethystinum, 11 bracteosum, 11, 12, 536 brevifolium, 11, 12 compactum, 536 longifolium, 11, 12, 536 roseum, 13 sodale, 11 uniflorum, 11, 12 Pancovia, 355 Parmena, 428 menziesii, 441, 459 spectabilis, 440 Parnassia, 77 americana, 80 asarifolia, 77, 80, 549 californica, 77, 78 caroliniana, 77, 79, 80, 549 cirrata, 77, 78 fimbriata, 77, 78, 78, 549 floridana, 77, 80 glauca, 80 grandiflora, 79, 549 grandifolia, 77, 79 intermedia, 77, 78 kotzebuei, 77, 79, 549 mexicana, 548 montanensis, 77, 79, 549 nudata, &0 ovata, S0 belvisii, 80 palustris, 77, 79, 549 californica, 78 tenuis, 79n parviflora, 77, 79, 549 repanda, 80 rivularis, 77, 78 rotundifolia, 77, 80 townsendii, 548 Parnassiaceae, 1, 77, 548 Pectiantia, 81, 93 breweri, 93 latiflora, 93, 550 ovalis, 93, 94, 550 pentandra, 93, 550 [VoLuME 22, Peltiphyllum, 82, 156 peltatum, 156 Pentaphyllum, 293 Penthorum, 75 circinale, 75 sedoides, 75, 548 Penthoraceae, 1, 75, 548 Percepier; 379 arvensis, 379 Petalosteira, 117 laciniata, 119 unifoliata, 118 Petrophytum, 245, 252 acuminatum, 253 caespitosum, 253 cinerascens, 252, 253 elatius, 253, 254 hendersoni, 252, 253 Philadelphus, 159, 162 affinis, 164, 171 argenteus, 163, 164, 171 angustifolius, 163, 166 argyrocalyx, 163, 171 asperifolius, 163, 171 billardii, 174 californicus, 162, 164, 167, 556 columbarius, 167 columbianus, 163, 164, 166 columbiensis, 168 confusus, 164, 165, 166, 166 cordatus, 167 cordifolius, 162, 164, 174n coronarius, 162, 165, 556 coulteri, 164, 170 dubius, 174n ellipticus, 163, 172 floribundus, 174n floridus, 169 fremontii, 162, 165 globosus, 167, 174n eloriousus, 163, 169 godohokerii, 169 gordonianus, 163, 167 gracilis, 169 grahami, 167 sunita 163, 168, 169, 6 helleri, 163, 166 hirsutus, 163, 169, 556 gracilis, 169 humilis, 174 inodorus, 163, 168, 168, 556 hirsutus, 169 strigosus, 168 insignis, 174 intectus, 163, 167 intermedius, 556 karwinskyanus, 164, 170 latifolius, 163, 168, 174n lewisii, 163, 165, 556n californicus, 164 laxus, 174n madrensis, 556 mearnsii, 164, 174 mearusii, 174 mexicanus, 164, 170 Part 7, 1959] [Philadelphus ] microphyllus, 163, 172, 556 minutus, 164, 173, 556 myrtoides, 164, 170 nitidus, 556 nivalis, 174n niveus, 174n occidentalis, 164, 173 oreganus, 166 palmeri, 164, 173, 556 pendulifolius, 174n platyphyllus, 163, 167 pubescens, 169, 174n pumilus, 164, 173 purpusi, 556 serpyllifolius, 164, 171, 174 speciosus, 163, 169 stramineus, 163, 172 strigosus, 163, 168 trichopetalus, 170 trinervius, 169 gracilis, 169 undulatus, 168 verrucosus, 174 zeyheri, 175n Philocrena, 3, 535 Physocarpa, 240 opulifolia, 241 riparia, 241 Physocarpus, 240 capitatus, 242 ferrugineus, 243 glabrata, 242 intermedius, 242 malvaceus, 244 michiganensis, 241 missouriensis, 242 monogynus, 244 opulifolia, 247, 242 pauciflorus, 244 tomentosa, 241 torreyi, 244 Phyllonoma, 191 laticuspis, 191 ruscifolia, 191 Phyllonomaceae, 2, 161 Pimpinella, 389 Platanus, 227 californica, 227 densicoma, 560 hybridus, 229 glabrata, 227, 228 lindeniana, 227, 228 lobata, 229 mexicana, 227, 228, 560 occidentalis, 227, 229, 560 hispanica, 229 lobata, 229 orientalis, 227 racemosa, 227, 227, 560 vulgaris angulosa, 229 wrightii, 227, 228, 560 Platanaceae, 2, 227, 560 Pleurendotria, 84 parviflora, 89 reniformis, 89 INDEX OF NAMES Podostemon, 2, 5 abrotanoides, 6 ceratophyllum, 6, 535 Podostemonaceae, 1, 3, 535 Ponista, 129 oregonensis, 129 Porteranthus, 257, 258 stipulatus, 258 trifoliatus, 258 Potamobryon, 3 concinnum, 3 laxum, 3 patulum, 3 Potentilla, 269, 293 sect. Arenicolae, 293, 294, 295, 308 sect. Argenteae, 293, 295, 308 sect. Aureae, 294, 297, 324 sect. Biflorae, 294, 299, 335 sect. Brevifoliae, 294, 299, 336 sect. Candicantes, 294, 300, 339 sect. Candidae, 294, 296, a1 sect. Closterostyles, 366 sect. Comocarpa, 366 sect. Concinnae, 294, 298, 328 sect. Frigidae, 294, 299, 333 sect. Graciles, 294, 297, 317 sect. Heptophyllae, 293, 295, 310 sect. Heterosepalae, 293, 295, 303 sect. Horridae, 294, 297, 322 sect. Leucophyllae, 294, 300, 339 sect. Longipedunculatae, 293, 297, 320 sect. Multifidae, 294, 301, 347 sect. Multijugae, 294, 300, 343 sect. Niveae, 294, 298, 331 sect. Nuttallianae, 293, 294, 295, 310 sect. Obovatifoliae, 294, 297, 321 sect. Pectenisectae, 294, 296, 316 sect. Permolles, 294, 296, 315 sect. Rectae, 293, 295, 309 sect. Rubrae, 293, 297, 323 sect. Rubricaules, 294, 299, 337 sect. Saxosae, 294, 299, 335 sect. Stellariopsis, 292 sect. Subcoriaceae, 294, 297, 320 sect. Subjugae, 294, 297, 320 sect. Subviscosae, 294, 298, 327 sect. Supinae, 293, 295, 304 11 [ Potentilla] sect. Tormentilleae, 293, 294, 202 absinthiifolia, 351 acuminata, 299, 336 agrimonioides, 368 arguta, 368 alaskana, 297, 318 amadorensis, 396, 312 ambigens, 300, 301, 342 ancistifolia, 345 andersonii, 277 angustata, 296, 311 anserina, 352, 353 concolor, 353, 354 egedii, 354 grandis, 353 groenlandica, 354 argentea, 295, 308 dentata, 308 argentina, 353 arachnoides, 301, 350, 352n arguta, 348, 368, 371, 372 ferruginea, 368 glandulosa, 372 argyrea, 300, 341 argyrops, 308 arizonica, 300, 344 ashlandica, 370 atrorubens, 297, 323 atrovirens, 301, 351 aurea, 325 baileyi, 290 bakeri, 296, 316 bicrenata, 298, 330 biennis, 295, 305 biflora, 299, 335 bifolia, 335 bigeloviana, 368 bipinnatifida, 301, 348 platyloba, 349 blaschkeana, 296, 312, 317, 318 bolanderi, 274 brevifolia, 299, 336 breweri, 300, 342 expansa, 342 bruceae, 300, 342 brunnescens, 295, 310 caespitosa, 352n californica, 271 carmeliana, 271 elata, 272 sericea, 273 callida, 286 campestris, 326 camporum, 297, 319 canadensis, 295, 303, 303 pumila, 303 simplex, 302 candicans, 300, 339, 349 crocea, 339 nana, 339 candida, 296, 315, 328 canescens, 309 capitata, 277 caroliniana, 295, 303 cascadensis, 301, 345 12 [ Potentilla] chrysantha, 311 ciliata, 285, 325, 370 clarkiana, 336 clevelandi, 273 collina, 295, 308 coloradensis, 300, 339 comaroides, 323 fusca, 352n comarum, 355 comosa, 296, 316 concinna, 298, 329 divisa, 330 humifusa, 329 humistrata, 329 concinnaeformis, 298, 329 confertiflora, 368 congesta, 280 lobata, 281 convallaria, 369 corymbosa, 309 crinita, 301, 346 ctenophora, 317 dascia, 296, 313 daucifolia, 281 dealbata, 340 decipiens, 289 decurrens, 300, 301, 327, 344 depauperata, 29/ dichotoma, 304, 307 dichroa, 297, 319 digito-flabellata, 509 diffusa, 341 dissecta, 326, 346, 351n decurrens, 344 drummondii, 346 glaucophylla, 326 multisecta, 327 diversifolia, 298, 326, 352 glaucophylla, 326 multisecta, 327 pinnatisecta, 345 divisa, 298, 299, 330 donnell-smithii, 304 douglasii, 278 tenella, 276 drummondii, 301, 346 durandii, 356 durangensis, 297, 322 effusa, 300, 340 filicaulis, 338 gossypina, 352n pinnatisecta, 344 egedi, 354 ehrenbergiana, 297, 324 elata, 272 elatior, 347 elmeri, 296, 315 emarginata, 299, 334 eremica, 286 etomentosa, 296, 312 fastigiata, 298, 328 ferruginea, 368 filicaulis, 300, 338 filipes, 297, 298, 319 fissa, 372 major, 371 NORTH AMERICAN FLORA [ Potentilla] flabellifolia, 299, 334 flabelliformis, 296, 317, 317 ctenophora, 317 tenuior, 317 flavovirens, 295, 306 flexuosa, 295, 306 floribunda, 366 fragaria emarginata, 334 fragiformis, 299, 334 parviflora, 334 villosa, 333 friesiana, 299, 334 frigida, 322, 334, 335 frondosa, 271 fruticosa, 366 alpina, 366 parvifolia, 366 tenuifolia, 366 tenuiloba, 366 fusca, 352n gelida, 334 glabrata, 296, 313 glabrella, 301, 350 glandulosa, 372 incisa, 374 lactea, 369 nevadensis, 369, 370, 373 reflexa, 376 glaucophylla, 296, 298, 326 glomerata, 297, 318 glutinosa, 368, 371 goldmani, 296, 297, 314 gordoni, 289 lycopodioides, 288 gracilipes, 352, 413 gracilis, 297, 315, 316, 317, 319, 319 chrysantha, 311 fastigiata, 328 flabelliformis, 317 rigida, 311 grandiflora fragiformis, 334 grayana, 299 grayii, 299, 336 groenlandica, 334 grossa, 307 grosserrata, 296, 312 haematochroa, 324 haematochrous, 297, 324 haematochrus, 297, 324, 352n hallii, 296, 314 hanseni, 373 hassei, 298, 329 heptapetala, 310 heptophylla, 310 heterosepala, 295, 304 guatemalensis, 304 mexicana, 304 hickmani, 300, 343 hiemalis, 322 hippiana, 300, 340 diffusa, 341 propinqua, 341 pulcherrima, 319, 341 [VoLuME 22, [ Potentilla] hirsuta, 307, 333 hirta obscura, 309 holopetala fastigiata, 328 holosericea, 348 hookeriana, 299, 331 horrida, 297, 322 howellii, 281 humboldtiana, 339 humifusa, 329 inclinata, 295, 309 intermedia, 295, 309 intermittens, 297, 318 jamesiana, 333 jucunda, 296, 312 keilhavii, 347 kellogeii, 273 kelseyi, 295, 306 kingii, 286 inserta, 286 klamathensis, 300, 343 labradorica, 306 lactea, 369 langeana, 297, 325 lasia, 296, 314 lasiodonta, 301, 351 lateriflora, 305 laxiflora, 281 lemmoni, 301, 346 leneophylla, 340 leptopetala, 297, 322 leptophylla, 295, 310 leucocarpa, 305 leucophylla, 340 leurocarpa, 295, 307 lindleyi, 275 lineariloba, 339 littoralis, 349 longiloba, 296, 317 longipedunculata, 297, 320 loureionis, 366 lozani, 324 lucida, 333 lupina, 300, 340 luteosericea, 300, 339 macrantha uniflora, 332 macropetala, 296, 298, 313 macrorhiza, 321 macounii, 300, 338 maculata, 297, 325, 334 firma, 325 hirta, 325 madrensis, 297, 323 micheneri, 272 michoacana, 295, 305 millefolia, 300, 343 millegrana, 295, 305, 305, 307 lateriflora, 305 minima, 335 robbinsiana, 335 minutifolia, 299, 338 modesta, 298, 331 missurica, 350 monidensis, 345 Part 7, 1959] [ Potentilla] monspeliensis, 295, 307 labradorica, 306 norvegica, 307 morisoni, 307 muirii, 287 multifida, 301, 348 multijuga, 275, 301, 346 multisecta, 298, 327 nana, 334 nemoralis, 302 nelsoniana, 300, 344 nervata, 311 newberryi, 295, 308 arenicola, 308 nipharga, 298, 299, 332 nicollettii, 295, 304, 305 nivalis, 352, 413 nivea, 298, 299, 332, 333, 334 altaica, 332 arctica, 334 arenosa, 332 concolor, 334 dissecta, 330, 332 hirsuta, 333 macrophylla, 332 pallidior, 332 pentaphylla, 330 pinnatifida, 332 prostrata, 331 pulchella, 347 quinquefolia, 330 subquinata, 332 subviridis, 332 uniflora, 332 vahliana, 332, 333 norvegica, 307 hirsuta, 307 nuttallii, 295, 311, 312 glabrata, 313 oaxacana, 296, 314 oblanceolata, 298, 329 obliqua, 368 obovatifolia, 297, 321 obscura, 309 opaca, 325 oregana, 374 ovalis, 352n, 364 ovina, 300, 345 pacifica, 353, 354 INDEX OF NAMES [Potentilla pennsylvanica] glabrata, 350 hippiana, 340 missurica, 350 pulcherimma, 341 strigosa, 351 pentandra, 295, 307 perdissecta, 298, 327 permollis, 296, 315 pickeringii, 284 pilosa, 309 pinnatisecta, 344, 345 plattensis, 300, 343, 343 leucophylla, 342 pedicillata, 343 platyloba, 301, 349 pringlei, 298, 331 procumbens, 294, 302, 365 propinqua, 300, 341 prostrata, 299, 331 proxima, 300, 339 pseudorupestris, 370 pseudosericea, 301, 348 puberula, 275 pulchella, 301, 329, 347 elatior, 347 pulcherrima, 300, 319, 341, 349 pumila, 295, 303 purpurascens, 282 pinetorum, 282 quinquefolia, 298, 299, 330 ramulosa, 298, 328 ranunculoides, 297, 321 ranunculus, 298, 326 recta, 295, 309, 310, 311 obscura, 309 pallida, 310 rectiformis, 296, 312 reflexa, 374, 376 reptans, 294, 302 retusa, 365 rhomboidea, 376 richardii, 301, 345 rigida, 311 rivalis, 295, 305 millegrana, 305 pentandra, 307 robbinsiana, 299, 335, 352n rosulata, 299, 336 rubens, 325 [ Potentilla] sierra-blancae, 297, 325 simplex, 295, 302 sommerfeldtii, 301, 347 staminea, 297, 321 stenoloba, 276 strigosa, 301, 351 subarctica, 301, 347 subcoriacea, 297, 320 subjuga, 297, 320 subquinata, 330, 332 pedersenii, 332 subvillosa, 296, 316 subviscosa, 298, 328 sulphurea, 295, 310 supina, 304 nicolletii, 304 tenerrima, 299, 337 tenuiloba, 276 micheneri, 272 tenuifolia, 366 thurberi, 297, 323, 323 tilingi, 279 tormentilla nemoralis, 302 procumbens, 302 townsendii, 296, 311 tridentata, 365 unguiculata, 284, 285 uniflora, 299, 332 utahensis, 287 campestris, 285 vahliana, 299, 333 valida, 371 verna, 325, 334 versicolor, 300, 344 vesca, 359 villosa, 299, 333 aurea, 333 chrysocoma, 333 uniflora, 332 virgulata, 301, 349 viridescens, 296, 297, 318 viridior, 299, 300, 342 viscidula, 298, 327 vreelandii, 297, 325 webberi, 287 wheeleri, 298, 327 viscidula, 327 wrangeliana, 374 wyomingensis, 300, 345 13 pallida, 310 palustris, 355 villosa, 355 parryi, 275 paradoxa, 295, 304 parishii, 296, 313 paucijuga, 301, 348 pecten, 296, 298, 315 rubra, 297, 323, 352n rubricaulis, 299, 337, 337, 351, 367 rubripes, 299, 337 rupincola, 300, 301, 340 rydbergiana, 297, 321 sabulosa, 292 salisburgensis, 325 Potentilleae, 239, 268 Potentillopsis, 293 engelmanniana, 307 Poteridium, 386, 388 annuum, 388 occidentale, 388 Poterium, 386, 389 annuum, 388 canadense, 386 pectinata, 301, 349, 351 pectinisecta, 296, 316 pederseni, 288, 299, 332 pennsylvanica, 301, 349, 350 arachnoidea, 350, 352n arguta, 348, 368 bipinnatifida, 349 communis, 350 conferta, 350 sanguinea, 297, 324 santolinoides, 292 sarmentosa, 303 saximontana, 299, 338 saxosa, 299, 335 scopulorum, 372 sericata, 278 sericea, 347 glabrata, 350 myriophyllum, 388 minus, 389 officinale, 387 sanguisorba, 389 sitchense, 386 Prunus canadensis, 252n cuneifolia, 252n 14 Psychrobatia, 428 pedata, 436 Pterostemonaceae, 2, 183 Ptilotum, 399 octopetalum, 400 Purpusia, 269, 291 saxosa, 291 Pterostemon, 183 mexicanus, 183 Purshia, 399, 416 glandulosa, 416, 417 tridentata, 416, 417 glandulosa, 417 Pyxidanthera spathulata, 82, 83 Quillajeae, 239, 259 Quinquefolium, 293 Rhodiola, 8, 56 alaskana, 56, 57 integrifolia, 56, 57, 542 neomexicana, 56, 57 polygama, 56, 57 roanensis, 56, 58 rosea, 56, 57, 542 Rhodophora, 483 Rhodotypos kerrioides, 481 tetrapetala, 481 Ribes, sect. sect. sect. sect. sect. SECE SECE. sect. sect. sect. sect. 193 Americana, 195 Aurea, 195 Hudsoniana, 193 Lacustria, 193 Nigra, 193 Prostrata, 194 Rubra, 194 Sanguinea, 195 Tortuosa, 195 Viburnifolia, 193 Viscosissima, 194 acerifolium, 194, 198, 199 affine, 195, 200, 203 albidum, 208 albinervium, 198 altimirani, 203 amarum, 216 ambiguum, 218 americanum, 195, 200, 206, 559 nigrum, 206 amictum, 215 cruentum, 275, 559 pubescens, 216 aridum, 216 ascendens, 207 jasperae, 207 aureum, 195, 204, 559 chrysococcum, 204 leiobotrys, 204 longiflorum, 559 melanococcum, 205 praecox, 205 tenuiflorum, 204 villosum, 205 balsamiferum, 200 binominatum, 218 brachyanthum, 220 bracteosum, 193, 197 NORTH AMERICAN FLORA [Ribes bracteosum] viridiflorum, 197 brandegei, 195, 207 californicum, 214 campanulatum, 202, 206 camporum, 222 cereum, 194, 200, 559 farinosum, 200 pedicellare, 200 viridior, 201 ceriferum, 194, 201 churchii, 201 chihuahuense, 195, 204 ciliatum, 195, 204 ciliosum, 198 cognatum, 222 coloradense, 194, 199 congdoni, 220 cruentum, 215 curvatum, 221 cynosbati, 220 glabratum, 220 deductum, 208 dillenii, 206 divaricatum, 224 douglassi, 224 glabriflorum, 224 irriguum, 222 montanum, 224 pubiflorum, 224 villosum, 224 dugesii, 195, 203 ebracteatum, 205 echinatum, 196 erythrocarpum, 194, 199 ferox, 213 flavum, 204, 205 floridum, 206 grandiflorum, 206 parviflorum, 206 puberulum, 206 fontinale, 195, 205 fragrans, 205 fuchsioides, 212 glanduliferum, 220 glandulosum, 194, 199, 559 glaucescens, 207 glutinosum, 196, 208, 559 melanocarpum, 208 gracile, 220, 221 gracillimum, 195, 205 grande, 204 grantii, 207 greeneianum, 212 grossularia, 209, 223 grossularioides, 196 hallii, 195, 203 hesperium, 215 amarum, 559 hirtellum, 225, 560 calcicola, 560 purpusi, 224 saxosum, 560 hittellianum, 207 hortense, 198 howellii, 199 hudsonianum, 194, 197, 558 canadense, 197 [VoLuME 22, [Ribes hudsonianum] petiolare, 198 huronense, 225 hystrix, 213 indecorum, 196, 209 inebrians, 194, 201, 559 maius, 201 mescalerium, 201 spathianum, 201 inerme, 224 inodorum, 204 intermedium, 559 irriguum, 222 jasminiflorum, 204 jorullense, 204 klamathense, 560 kunthii, 203 lacustre, 193, 196, 558 lentum, 196 molle, 196 parvulum, 196 lasianthum, 219 laxiflorum, 194, 200 coloradense, 199 inerme, 200 leiobotrys, 204 lentum, 196 leptanthum, 219 brachyanthum, 220 quercetorum, 220 veganum, 219 leptosoma, 559 leucoderme, 222 lobbii, 217 longiflorum, 205 madrense, 218 malvacearum, 196, 208, 208 indecorum, 209 viridifolium, 208 mariposanum, 216 marshallii, 217 menziesianum, 213 menziesii, 213 amarum, 216 minus, 213 victoris, 213 mescalerum, 194, 201 mexicanum, 203 microphyllum, 219 migratorium, 198 missouriense, 221 mogollonicum, 207 molle, 196 montanum, 218 montigenum, 193, 196, 558 multiflorum, 203 neglectum, 194, 202 nelsonii, 195, 206 nevadense, 195, 207, 559 jasperae, 207 nigrum, 193, 197 pennsylvanicum, 206 niveum, 221 nubigenum, 196 occidentale, 214 californicum, 2/4 hesperium, 215 odoratum, 195, 205, 559 Part 7, 1959] INDEX OF NAMES 15 [Ribes] [ Ribes] [Rosa] oligacanthum, 214 oregoni, 205 orientale, 225n orizabae, 195, 203 oxyacanthoides, 223 calcicola, 225 irriguum, 224 lacustre, 196 leucoderme, 222 nevadense, 224 purpusi, 224 saxosum, 225 vagum, 224 palmatum, 205 palmeri, 206 palousense, 222 parishii, 224 parvulum, 196 pennsylvanicum, 206 petiolare, 194, 198 pinetorum, 217 pringlei, 194, 202 prostratum, 199 laxiflorum, 200 pumilum, 201 purpurascens, 208 purpusi, 224 quercetorum, 220 reclinatum, 223 recurvatum, 206 reniforme, 194, 200 resinosum, 225 rigens, 199 roezli, 215, 559 cruentum, 559 rotundifolium, 223 rubrum, 193, 198 albinervium, 198 subglandulosum, 198 rugosum, 195, 204 sanguineum, 196, 208 glutinosum, 208 malvaceum, 208 variegatum, 207 santa-luciae, 208 saximontanum, 222 saxosum, 225 scuphami, 208 senile, 559 sericeum, 216 viridescens, 216 setosum, 222 spathianum, 201 speciosum, 212 stamineum, 212, 223 stanfordii, 220 subvestitum, 213 microphyllum, 219 suksdorfii, 224 tenuiflorum, 204 tomentosum, 224 tortuosum, 195, 206 triacanthum, 212 trifidum, 199 triflorum, 223 triste, 194, 198, 559 albinervum, 198 tubiflorum, 208 tubulosum, 208 tularense, 559 uva-crispa, 223 vallicola, 224 variegatum, 207 velutinum, 220 brachyanthum, 220 congdoni, 220 greeneianum, 220 viburnifolium, 193, 197 victoris, 213 villosum, 224 viridifolium, 208 vulgare, 194, 198, 558 hortense, 198 viscosissimum, 195, 202 hallii, 203 purshii, 202 watsonianum, 218 wilsonianum, 215 wolfii, 195, 207 Ribesium, 193 Robergia glabra, 233 Robertsonia, 132 davurica, 143 micranthidifolia, 143 Robsonia, 209 speciosa, 212 Romanzoffia, 128n Rosa, 483 sect. Bracteatae, 483, 484, 492 sect. Caninae, 483, 484, 493 sect. Carolinae, 483, 484, 495 sect. Cinnamomae, 483, 485, 503 sect. Gallicae, 483, 484, 493 sect. Gymnocarpae, 483, 489, 530 sect. Indicae, 483, 484, 491 sect. Laevigatae, 483, 484, 492 sect. Minutiflorae, 483, 489, 529 sect. Pimpinellifoliae, 483, 489, 528 sect. Synstylae, 483, 490 abietorum, 531 acicularioides, 486, 508 acicularis, 486, 507, 508 bourgeauiana, 507 engelmanni, 506 sayi, 507 aciculata, 486, 513, 524 acuminata, 532 adenocarpa, 489, 526 adenosepala, 487, 517 alba, 490 aldersonii, 487, 515 alpina, 532 alcea, 485, 505 americana, 532 amyedalifolia, 492 amplifolia, 531 anacantha, 486, 509 angustiarum, 505 apiculata, 531 arkansanoides, 505 arizonica, 487, 516 arkansana, 485, 504, 504 suffulta, 504 aschersoniana, 515 aucuparia, 485, 501 bakeri, 513 bicknellii, 485, 500, 532n bidenticulata, 488, 518 blanda, 486, 498, 501, 509, 509, 523, 532n, 533n aciculata, 513 arkansana, 504 glabra, 509 glandulosa, 509n pubescens, 509 setigera, 504 suffulta, 504 willmottiana, 498 bolanderi, 489, 525 bourgeauiana, 486, 507 brachycarpa, 487, 515 bracteata, 484, 492 breweri, 515 bridgesii, 489, 532 brownii, 486, 512 bushii, 485, 506 butleri, 485, 506 californica, 487, 515, 522 chamissoniana, 515 glabra, 522 glabrata, 52/ glandulosa, 515 petersiana, 515 pubescens, 515 ultramontana, 523 calvaria, 487, 518 canina, 484, 491, 495, 495 montezumae, 495 carolina, 484, 495, 499, 499, 532n aculeata, 496 sepalorelevata, 496 setigera, 496n caroliniana, 495, 499 carolinensis, 498 caryocarpa, 511 cherokeensis, 492 chinensis, 491 chrysocarpa, 488, 520 cinnamomea, 483, 514, 515 gemella, 497 collaris, 485, 506 columbiana, 487, 514 conjuncta, 485, 505 copelandii, 489, 528 corymbiflora, 489, 519 corymbosa, 495 covillei, 489, 525 crenulata, 532 cucumerina, 492 cursor, 491 dasistema, 484, 497, 532n dasypoda, 489, 530 16 [R osa | davyi, 486, 488, 522 delitescens, 487, 517 deserta, 521 dudleyi, 488, 519 dulcissima, 504 dumetorum, 484, 494 durandii, 486, 513 eastwoodiae, 489, 527 elegans, 495 elongata, 495 engelmanni, 485, 506, 507 enneaphylla, 495 evratina, 532 fendleri, 488, 519 fenestrata, 491 fimbriatula, 521 flexuosa, 495 floribunda, 532 floridana, 484, 496 foliolosa, 485, 496, 502 leiocarpa, 521 fragrans, 495 fraxinifolia, 509, 511 gallica, 484, 493 gemella, 484, 497 glandulosa, 495 glaucodermis, 531 globosa, 532 granulata, 489, 526 granulifera, 487, 517 gratiosa, 509 dulcissima, 505 gratissima, 488, 524 greenei, 487, 515 grosseserrata, 525 gymnocarpa, 489, 531 pubescens, 532 hartwegiana, 515 heliophila, 504 foliosissima, 504 helleri, 530 hispidocarpa, 495 hudsoniana, 495 humilis, 499 gracilis, 496n grandiflora, 499 lucida, 498 parviflora, 499 villosa, 498 hypoleuca, 488, 520 hystrix, 492 illinoensis, 528 indica, 484, 491 johannensis, 485, 486, 510 johnstoni, 488, 521 kamtschatica, 513 kentuckensis, 491 laevigata, 484, 492 lancifolia, 485, 502 laxa, 499 leucopsis, 489, 530 lindleyi, 499 lucida, 492, 498, 499 lunellii, 485, 504 lutescens, 528 lyalliana, 511 lyoni, 484, 498 NORTH AMERICAN FLORA [Rosa] macartnea, 492 macdougali, 486, 510 macounii, 489, 527, 525 majalis, 507 macrocarpa, 512 manca, 487, 518 maximiliana, 521, 525 megacarpa, 512 melina, 486, 513 mexicana, 495, 500 micrantha, 484, 494 minutifolia, 489, 530 mirifica, 489, 529 mohavensis, 488, 521 montezumae, 484, 495 moschata, 483, 490 multiflora, 483, 490 muriculata, 486, 488, 511 mutabilis, 497 myriantha, 488, 522 myriadenia, 487, 488, 514 naiadum, 525 nanella, 484, 497, 501n neomexicana, 487, 516 nitida, 485, 501, 533 nivea, 492, 532 nutkana, 486, 508n, 511, 512 glandulosa, 5/1 hispida, 510 macdougali, 510 microcarpa, 522 obovata, 484, 499 obtusiuscula, 484, 497 oligocarpa, 489, 532 oreophila, 487, 513 palmeri, 485, 502 palustriformis, 487, 516 palustris, 485, 495, 532n pandorana, 513 parviflora, 499 glandulosa, 500 setigera, 500 vulgaris, 499 pecosensis, 489, 524 pendulina, 532 pennsylvanica, 495, 498, 499 petiolata, 485, 501 pilifera, 489, 528 pimpinellifolia, 489, 528 pinetorum, 487, 518 piscatoria, 531 pisocarpa, 488, 522 poetica, 519 polyantha, 490 polyanthema, 485, 505 portlandia, 533n praetincta, 488, 524 pratensis, 499 pratincola, 504, 505n alba, 504 angustiarum, 504 setulosa, 504 pringlei, 486, 489, 527 prionota, 489, 531 puberulenta, 487, 517 pusilla, 498 pyrifera, 489, 527 [VoLuME 22, [Rosa] rafinesquiana, 495 rafinesquii, 532 rapa, 498 redutia rubescens, 501 riparia, 532 rivalis, 488, 520 rotundata, 487, 488, 522 rubifolia, 483, 491 fenestralis, 491 rubiginosa, 484, 494 rubispina, 501 rudiuscula, 485, 503 ruficaulis, 533 rugosa, 486, 508 rydbergii, 504 salicifolia, 495 salictorum, 486, 488, 523 sanctae-crucis, 488, 519 sandbergii, 521 sayl, 507 sempervirens, 483, 490 serrulata, 484, 500, 500, 532n setigera, 483, 491 tomentosa, 491 sinica, 491, 492 solandri, 509 sonomensis, 489, 526 spaldingii, 486, 512 spinosissima, 487, 514, 528 spithamia sonomensis, 526 spithamaea, 489, 526 subinermis, 531 sprengeliana, 495 standleyi, 489, 527 stellata, 489, 529 stricta, 504, 507 suaveolens, 494 subblanda, 486, 509 subglauca, 485, 503 subnuda, 525 subserrulata, 484, 500 suffulta, 485, 504 ternata, 492 terrens, 488, 524 texarkana, 485, 503 tomentosa, 484, 493 treleasei, 485, 503 trifoliata, 491 turgida, 533 ultramontana, 488, 523 undulaeflora, 533 underwoodii, 486, 512 vernonii, 529 virginiana, 484, 498, 509n arkansana, 504 humilis, 499 lucida, 498 walpoleana, 494 williamsii, 485, 486, 510 woodsii, 488, 489, 507, 511, 521, 525 fendleri, 519 yainacensis, 486, 510 Rosaceae, 2, 239 Part 7, 1959] Rosales, 1 Roseae, 240, 482 Rourea, 233 cubensis, 560 glabra, 233, 560 hondurensis, 236 oblongifolia, 233 floribunda, 234 paucifoliata, 233, 234 frutescens, 233, 236 suerrensis, 233, 234 sympetala, 560 Rubacer, 425 columbianum, 425, 426 odoratum, 425 parviflorum, 425, 426 tomentosum, 425, 426 velutinus, 426 Rubeae, 240, 424 Rubus, 425, 428 sect. Adenotrichi, 429, 432, 450 sect. Anabatus, 429 sect. Arctici, 429, 430, 436 sect. Arguti, 430, 433, 462 sect. Chamaebatus, 429 sect. Chamaemori, 429, 430, 435 sect. Chamaemorus, 429 sect. Comarobatus, 429 sect. Cylactis, 429 sect. Discolores, 430, 433, 461 sect. Duri, 429, 433, 457 sect. Eubatus, 429 ar Floribundi, 429, 432, 51 sect. Glabrati, 429, 430, 439 sect. Hispidi, 430, 435, 476 sect. Idaei, 429, 430, 441 sect. Ideobatus, 429 sect. Laciniati, 430, 433, 461 sect. Lamprobatus, 429 er Lasiococci, 429, 430, sect. Pedati, 429, 430, 436 sect. Procumbentes, 430, 434, 470 sect. Psychrobatia, 429 sect. Rosaefolii, 429, 430, 440 sect. Sapidi, 429, 432, 455 sect. Saxatiles, 429, 430, 438 sect. Scandentes, 429, 433, 458 sect. Triviales, 430, 435, 47 9 sect. Ursini, 429, 433, 459 er Urticifolii, 429, 431, 9 abbrevians, 477n abundus, 432, 454 aboriginum, 434, 473 acalyphaceus, 431, 448 acaulis, 430, 437 adenotrichos, 432, 450 INDEX OF NAMES [Rubus] adscendens, 477n aegopodioides, 438 allegheniensis, 433, 463, 464 alnifolius, 433, 457 alpinus, 432, 455 amabilis, 468 americanus, 438, 463 amicalis, 434, 468 amnicola, 464 amplior, 432, 456 andrewsianus, 464 angulatus, 480 arcticus, 430, 437, 437 grandiflorus, 437 arenicola, 434, 472 argutus, 433, 464 floridus, 465 randii, 469 arizonicus, 431, 446 arundelanus, 467 baileyanus, 434, 471 bernardinus, 431, 444 betulifolius, 434, 466 borealis, 447 boyntoni, 480 brainerdi, 434, 467 californicus, 426 canadensis, 434, 438, 468, 474 invisus, 471 roribaccus, 471 carolinianus, 431, 447 carpinifolius, 435, 465n, 480 castoreus, 439 castoris, 439 chamaemorus, 430, 435, 436 columbianus, 426 commersoni, 441 coriifolius, 432, 433, 452, 453 coronarius, 441 costaricanus, 432, 449, 450 longisetosus, 450 crux, 480 cubitans, 478 cuneifolius, 433, 461 cymosus, 434, 470 dalibarda, 425 deliciosus, 427 novomexicana, 428 domingensis, 433, 458 dumetorum, 452 durus, 433, 457 grisebachii, 480 eastwoodianus, 433, 460 eggersii, 433, 458 egelestonii, 431, 449 elegantulus, 434, 469 ellipticus, 430, 442 enslenii, 434, 435, 475 eriocarpus, 431, 442 fagifolius, 433, 459 ferrugineus, 432, 449, 480 cubensis, 457 flagellaris, 434, 438, 473 flavus, 442 flavinanus, 469 17 [Rubus] floribundus, 452, 454 laxiflora, 454 pauciflora, 454 floricomus, 464 floridus, 434, 465 florulentus, 433, 457 eggersii, 458 franciscanus, 430, 441 frondisentis, 462, 463 frondosus, 434, 466 fruticosus, 464 geophilus, 473 glabratus, 430, 440 glandulicaulis, 463 glaucifolius, 431, 444 glaucus, 431, 442 gowreephul, 442 gowry-phul, 442 grandiflorus, 456 grandifolius, 425 groutianus, 476 guyanensis, 455 guianensis vulcanicola, 455 helleri, 433, 460 hesperius, 445 heterophyllus, 434, 473 hispidus, 435, 478, 479 major, 477n suberectus, 476 humifusus, 470, 476 humistratus, 435, 476 idaeus, 429, 431, 445, 447 aculeatissimus, 447 americanus, 443 anomalus, 449 borealis, 447 canadensis, 448 melanolasius, 448 melanotrachys, 445 strigosus, 447 vulgatus, 445 immanis, 472 inermis, 480 invisus, 434, 471, 471 irasuensis, 432, 451 jacens, 478n jamaicensis, 432, 455 japonicus, 481 jeckleyanus, 467 junceus, 477n lacer, 426 laciniatus, 433, 461 lasiococcus, 430, 436 laxus, 432, 454 leucodermis, 431, 444 liebmannii, 432, 452 linkianus, 433, 461 lucidus, 435, 479 macrogongylus, 432, 453 macropetalus, 433, 460 madrensis, 480 medius, 427 melanolasius, 431, 448 melanotrachys, 431, 445 menziesii, 459 mexicanus, 428 18 [Rubus] millspaughi, 468 miser, 432, 451 montanus, 464 mucronatus, 438 multiformis, 473n delicatior, 473n multispinus, 475n myricanthus, 460 neglectus, 443 nelsonii, 432, 455 neomexicanus, 428 nigerrimus, 431, 445 nigricans, 435, 476, 478 nigrobaccus, 433, 463 albidus, 463 gravesii, 463 sativus, 462 nitidus, 479 nivalis, 430, 439 nubis, 435 nutkanus, 426 lacera, 426 nuttallii, 426 parviflorus, 426 scopulorum, 426 velutinus, 426 obovalis, 478 obovatus, 478 occidentalis, 431, 442, 443, 444 eriocarpus, 442 flavobaccus, 443 grandiflorus, 443 incisus, 443 leucodermis, 444 mexicanus, 443 pallidus, 443 odoratus, 425 columbianus, 426 deliciosus, 427 oligospermus, 434, 470 orarius, 467 ostryifolius, 465 pacificus, 439 palmeri, 432, 456 paniculatus, 461 parviflorus, 426 velutinus, 426 parvifolius, 461 peculiaris, 474n pedatus, 430, 436 pennsylvanicus, 447 peramoenus, 431, 446 pergratus, 433, 467 persistans, 479 persistens, 465 permixtus, 464 philadelphicus, 466 philyrophyllus, 432, 451 phoenicolasius, 430, 441 pistillatus, 437 pittieri, 432, 433, 454 plicatifolius, 434, 472 poliophyllus, 453 pringlei, 431, 443 procumbens, 435, 472, 474 propinquus, 437 NORTH AMERICAN FLORA [Rubus] pubescens, 430, 438 pumilus, 430, 439 quinquelobus, 425 randii, 434, 469 recurvans, 434, 467 subrecurvans, 467 recurvicaulis, 475n inornatus, 475n rhodophyllus, 434, 470 roezli, 427 roribaccus, 472 rosaefolius, 430, 441 coronarius, 441 rossbergianus, 466 rubriflorus, 428 rubrisetus, 435, 480 sapidus, 432, 456 erandiflorus, 456 sativus, 433, 462, 467 saxatilis, 430, 438, 438 americana, 438 canadensis, 438 scandens, 433, 458 schiedeanus, 432, 433, 452 semierectus, 473n semisetosus, 477n sempervirens, 478 setosus, 435, 476, 477 smithii, 432, 453 spectabilis, 430, 440 menziesii, 441 stellatus, 430, 436 acutistipulus, 436 stenopetalus, 440 strigosus, 431, 444n, 447, 447 subarcticus, 431, 440n, 448 subuniflorus, 474 superbus, 432, 453 tardatus, 477n tiliaceus, 451 tiliaefolius, 451 transmontanus, 430, 438, 445 trichomallus, 431, 449 triflorus, 438 trifrons, 477n, 478 trilobus, 428 guatemalensis, 428 trivialis, 435, 470, 474, 479, 479 erectus, 465 tuerckheimii, 433, 457 uhdeanus, 432, 453 ulmifolius, 480n ursinus, 433, 441, 459 elabratus, 459 urticaefolius, 449 velutinus, 426 vera-crucis, 432, 450 vermontanus, 435, 478 viridifolius, 477n viburnifolius, 431, 446 villosus, 463, 472, 474 frondosus, 466 humifusus, 471 michiganensis, 473 [VoLuME 22, [Rubus villosus] montanus, 464 randii, 469 roribaccus, 472 sativus, 462 vitifolius, 433, 459 vulcanicola, 432, 455 vulgaris laciniatus, 461 Sanguisorba, 386 annua, 388 canadensis, 386, 386 latifolia, 386 latifolia, 386 media, 387 menziesii, 386, 387 microcephala, 386, 387 minor, 389 myriophylla, 388 occidentalis, 386, 388 officinalis, 386, 387, 387 palustris, 386 sanguisorba, 389 sitchensis, 386 Sanguisorbeae, 240, 385 Santalodes glabrum, 560 Sarcostyles, 161 peruviana, 161 Saxifraga, 82, 126 aconitifolia, 124 adscendens, 129 aequidentata, 554 aestivalis, 147 aizoides, 151, 153 aizoon, 131 brevifolia, 131 robusta, 131 alaskana, 555 allenti, 554 amplexifolia, 151 androsacea, 128 apetala, 135 aphanostyla, 137 aprica, 135 arguta, 147 arnoglossa, 553 austrina, 554 austromontana, 153 bicolor, 152 bidens, 553 bongardi, 149 bracteata, 127 brachypus, 553 bracteosa, 137 angustifolia, 137 bronchialis, 153 funstoni, 555 minor, 153 vespertina, 555 bryophora, 148, 554 caespitosa, 130, 255 emarginata, 552 minima, 130 uniflora, 130 californica, 140 careyana, 142 Part 7, 1959] [Saxifraga] caroliniana, 128, 146 careyana, 146 cernua, 127, 128, 552 debilis, 127 pauciflora, 128 chamissoi, 154 cherleroides, 153 chrysantha, 152 claytoniaefolia, 141 cognata, 153 columbiana, 135 comosa, 149 crenatifolia, 552 cymbalaria, 128 dahurica, 143 davurica, 143 decipiens caespitosa, 130 groenlandica, 130 sternbergii, 130 uniflora, 130 debilis, 127, 552 delicatula, 552 denudata, 147 eastwoodiae, 555 elata, 125 elegans, 127, 128 emarginata, 552 eriophora, 142 erosa, 143 eschscholtzii, 154 exarata, 130 exilis, 128 fallax, 141 ferruginea, 150, 554 fimbriata, 154 fischeri, 152 flabellifolia, 143 flagellaris, 154 setigera, 154 foliolosa, 149 forbesii, 139 fragarioides, 131 fragosa, 137 leucandra, 553 franciscana, 554 funstoni, 555 galacifolia, 147 gaspensis, 552 geum, 146, 148 granulata, 127 grayana, 146 groenlandica, 128, 130 exaratoides, 552 uniflora, 552 greenei, 553 halmicola, 551 heteranthera, 156 heucheriformis, 552 hieracifolia, 134 hirculus, 152 alpina, 152 howellii, 140 hyperborea, 127 idahoensis, 145 integrifolia, 137, 138 apetala, 552 INDEX OF NAMES [Saxifraga integrifolia] claytoniaefolia, 553 fragosa, 553 rhomboidea, 552 sierrae, 138 jamesii, 126 jamesiana, 126 kumlienii, 554 lata, 554 laurentiana, 127 ledifolia, 155 leucanthemifolia, 148, 150 brunoniana, 149 integrifolia, 148 lyallii, 143 laxa, 143 malvaefolia, 120 marshallii, 145 mertensiana, 156 michauxii, 150 micranthifolia, 143 micropetala, 552 montana, 553 montanensis, 139 monticola, 552 muscoides, 129 napensis, 140 nathorsti, 555 nelsoniana, 125, 147 newcombei, 149, 554 nidifica, 134 nitida, 153 nivalis, 136 labradorica, 553 ramosa, 136 tenuis, 136 notkana, 149 nudicaulis, 155 nutans, 128 nuttallii, 127 occidentalis, 144 odontoloma, 554 odontophylla, 554 oppositifolia, 157 albiflora, 157 nathorsti, 555 oregana, 138 oregonensis, 552 parryi, 120 parvifolia, 141 pectinata, 128, 255 peltata, 156 pennsylvanica, 139 minor, 139 petiolaris, 127 petraea, 129 pilosa, 141 planifolia, 152 plantaginea, 135 plantaginifolia, 552 propinqua, 152 pseudoburserana, 153 pubescens, 130 pulvinata, 157 punctata, 143, 147 acutidentata, 147 pyrolifolia, 151 radiata, 127, 128 19 [Saxifraga] radulina, 146 ranunculifolia, 121 reflexa, 146 rhomboidea, 136 austrina, 136, 554 richardsoni, 125 rivularis, 127, 552 hyperborea, 127 purpurascens, 127 stricta, 552 rufidula, 553 rydbergii, 134 saximontana, 145 serpyllifolia, 152 setigera, 154 sibirica, 128 sierrae, 138 sileniflora, 130 minor, 130 uniflora, 130 simulata, 127, 128 spicata, 146 stellaris, 150, 554 brunoniana, 149, 554 comosa, 149 pauciflora, 150 prolifera, 149 subapetala, 139 normalis, 553 sullivantii, 122 tennesseensis, 142 texana, 136 tolmiei, 155 tricuspidata, 154 tridactylites, 129 umbellata, 135 unalaschensis, 143 uniflora, 130 vaginalis, 155 van-bruntii, 153 vernalis, 129n, 141 vespertina, 555 virginica, 141 virginiensis, 140, 141 vreelandii, 554 wolleana, 143 yukonensis, 554 Saxifragaceae, 1, 81, 549 Saxifragopsis, 82, 131 fragarioides, 131 Schizonotus, 256, 257, 261 argenteus, 266 alpestris, 265 ariaefolius, 262 discolor, 262 dumosus, 263 fissus, 265 griseus, 264 intermedius, 263 mexicanus, 266 mutisianus, 266 ariaefolius, 262 discolor, 262 ariaefolius, 262 dumosus, 263 fissus, 265 purshianus, 262 20 [Schizonotus] dumosus, 263 sorbifolius, 257 Sedastrum, 8, 58 chapalense, 58, 59 ebracteatum, 58, 59 glabrum, 58 hemsleyanum, 58, 542 incertum, 58, 59 pachuense, 542 painteri, 58 rubricaule, 58, 59 Sedella, 7, 10 congdoni, 10, 11 pumila, 10 Sedum, 8, 60 acre, 60, 62, 542 adolphi, 546 alamosanum, 60, 62, 543 allantoides, 546 americanum, 70 annuum, 60, 63 anomalum, 61, 72 arboreum, 543 australe, 60, 67 batesi, 49 beyrichianum, 545 blochmannae, 55 botteri, 61, 69 bourgaei, 60, 64, 543 calcaratum, 60, 64 calcicola, 50 californicum, 61, 71 chapalense, 59 chihuahuense, 51 ciliosum, 61, 67 clavifolium, 545 cockerellii, 61, 67 coerulescens, 65 compactum, 546 compressum, 545 confusum, 61, 70 congdoni, 17 conzattii, 61, 68 cotyledon, 46 cupressoides, 60, 63 debile, 48 deficiens, 70 delicatum, 544 dendroideum, 61, 69 diffusum, 60, 65 divaricatum, 73 divergens, 60, 64, 73 diversifolium, 62, 73, 545 douglasii, 61, 67, 71, 544 unifolium, 544 ebracteatum, 59 edule, 53 elrodi, 544 fabaria, 62, 74, 546 farinosum, 545 filiferum, 61, 70 flaccidum, 543 forreri, 60, 64 frigidum, 57 frutescens, 544 fuscum, 51 glabrum, 58 NORTH AMERICAN FLORA [Sedum] guadalajaranum, 60, 64 gregeii, 60, 62 griffithsii, 61, 71 guatemalense, 60, 65 guttatum, 27 havardi, 74 hemsleyanum, 58 hispanicum, 74n humifusum, 546 incertum, 58, 59 integrifolium, 542 jaliscanum, 61, 68 lahovarianum, 547 lanceolatum, 65 lenophylloides, 547 leibergii, 61, 73 licbmannianum, 63, 543 linifolium, 63 longipes, 61, 70 longuetae, 547 lumholtzii, 61, 71 madrense, 61, 71 meehani, 74 mellitulum, 542 mexicanum, 60, 65 millspaughi, 547 minimum, 60, 67, 542 miserum, 74 moranense, 60, 63, 543 arboreum, 543 muscoideum, 60, 62 napiferum, 60, 64 naviculare, 61, 68 nelsoni, 61, 69 nevii, 61, 72, 545 beyrichianum, 545 nutans, 56 nuttallianum, 60, 63, 543 oaxacanum, 544 obtusatum, 47 octogonum, 70 oreganum, 48 oxycoccoides, 60, 65 oxypetalum, 61, 69 pachyphyllum, 547 palmeri, 61, 69 parvum, 50 polygamum, 57 portulacoides, 70 potosinum, 542 praealtum, 61; 70 pringlei, 60, 66 minus, 67 pruinosum, 61, 72 puberulum, 61, 71 pulchellum, 60, 63, 543 pumilum, 10 purpureum, 546 purpusi, 61, 69 pusillum, 59 quevae, 544 radiatum, 60, 66 reflexum, 60, 66, 544 retusum, 61, 68 rhodanthum, 29 rhodiola, 57 rhodioloides, 57 [VoLuME 22, [Sedum] rhodocarpum, 547 roanense, 58 roseum, 57 rubricaule, 58, 59 semiteres, 543 shastense, 61, 67, 71 sparsiflorum, 63 spathulifolium, 61, 72 squamulosum, 31 stahlii, 60, 66 stellariforme, 60, 64 stenopetalum, 60, 65, 543 rubrolineatum, 65 stoloniferum, 62, 73 subalpinum, 543 subclavatum, 65 submontanum, 60, 62 telephioides, 62, 74, 546 telephium, 60, 74, 546 ternatum, 61, 70, 545 texanum, 28 topseni, 548 torreyi, 63 tortuosum, 61, 68 treleasei, 548 triphyllum, 546 triteli, 548 tuberculatum, 61, 68 uniflorum, 67 variegatum, 54, 55 versadense, 544 villosum, 60, 63 vinicolor, 60, 66 woodii, 62, 73 wootoni, 61, 71 wrightii, 61, 72 yosemitense, 61, 73, 545 Selnoriton, 428 Sempervivum, 7, 10 tectorum, 10, 536 Sericotheca, 261 argentea, 262, 266 boursieri, 261, 263 concolor, 262, 264 discolor, 261, 262 dumosa, 261, 263 fissa, 262, 265 franciscana, 261, 262 glabrescens, 262, 265 microphylla, 262, 264, 424 obovata, 262, 264 pachydisca, 261, 263 saxicola, 262, 263 schaffneri, 262, 264 velutina, 262, 265 Sibbaldia, 269, 365 californica, 271 congesta, 280 erecta, 376, 377 parviflora, 377 procumbens, 365 Sibbaldiopsis, 269, 365 tridentata, 365 Sieversia, 399, 407 anemonoides, 407, 408 brevifolia, 408, 410 Part 7, 1959] [Sieversia] calthifolia, 408, 411 congesta, 411 dilatata, 411 rotundifolia, 411 campanulata, 407, 409 canescens, 408, 409 caroliniana, 403 ciliata, 408, 410 congesta, 411 flavula, 407, 410 glaciale, 408 glacialis, 407, 408 gracilipes, 413 grisea, 408, 409 humilis, 412 macrantha, 408, 412 paradoxa, 414 peckii, 408, 411 pentapetala, 407, 408 radiata, 408, 411, 411 rosea, 409 rossil, 413 humilis, 412 rotundifolia, 411 scapoidea, 413 sericea, 413 triflora, 407, 409 turbinata, 413 Sorbaria, 257 millefolium, 257 sorbifolia, 257 Sorbarieae, 239, 256 Spatularia, 82, 148, 554 brunoniana, 148, 149, 554 bryophora, 148 ferruginea, 148, 150 foliolosa, 148, 149, 554 michauxii, 150 newcombei, 148, 149 leucanthemifolia, 150 petiolaris, 148, 150, 554 stellaris, 148, 150, 554 vreelandii, 148, 149, 554 Spiraea, 245 sect. Chamaebatiaria, 257 sect. Holodiscus, 261 sect. Petrophytum, 252 sect. Physocarpus, 240 sect. Sorbaria, 257 acuminata, 255 alba, 246, 249, 250 latifolia, 249 amena, 250 americana, 256 arbuscula, 247 argentea, 261, 265, 266 ariaefolia, 262 discolor, 263 aruncus, 255 americana, 256 hermaphrodita, 158, 256 beauverdiana steveni, 247 bethlehemensis, 249 betulifolia, 247, 248 corymbosa, 248 rosea, 247 INDEX OF NAMES [Spiraea] boursieri, 263 caespitosa, 252, 253 elatior, 254 californica, 261 callosa, 249 capitata, 241 caroliniana, 242 carpinifolia, 249, 250 chamaedrifolia, 247 media, 247 chamaedryfolia, 247 ciliata, 250 cinerascens, 253 corymbosa, 246, 248 lucida, 248 crenata, 249 cuneifolia, 250, 251 densiflora, 246, 248 denudata, 267 discolor, 262, 263, 266n ariaefolia, 262 dumosa, 263, 264 glabrescens, 265 douglassii, 246, 251, 252 menziesii, 251 dumosa, 263, 265 ferruginea, 252 filipendula, 266, 267 fissa, 265, 266 flexuosa, 250 fortunei, 249 glomerata, 252 grandiflora, 250 hartwegiana, 246 helleri, 246, 248 hendersoni, 253 heterophylla, 249 hypericifolia, 252n plunkenetiana, 252n hookeriana, 252n japonica, 246, 249, 481 kamtschatica, 268 lancifolia, 250 latifolia, 246, 249 lobata, 267 lucida, 246, 248 rosea, 247 menziesii, 246, 251 mexicana, 266 millefolium, 257 monogyna, 244 obovata, 249 occidentalis, 268 odorata, 267 opulifolia, 240, 241, 244 ferruginea, 243 mollis, 241 parviflora, 244 pauciflora, 244 tomentella, 241, 242 ostryfolia, 248 ovata, 249 pachydisca, 266 palustris, 266 paniculata, 250, 255 parvifolia, 246, 252 pauciflora, 244 [Spiraea] pectinata, 255 pinnata, 257 prunifolia, 246 pyramidata, 246, 250 repens, 248 ribifolia, 242 rosea, 247, 252 roseata, 250 roseola, 246 rubra, 268 salicifolia, 245, 246, 250 lanceolata, 250 latifolia, 249 linearis, 250 paniculata, 250 schafftneri, 266 sorbifolia, 257 soraria, 248 splendens, 246, 247 steveni, 246, 247 stipulacea, 258 stipulata, 258 subcanescens, 246, 252 subvillosa, 246, 251 tomentosa, 246, 252 alba, 250 tomentulosa, 246, 251 trifoliata, 258 tuberosa, 267 ulmaria, 266 concolor, 267 denudata, 267 ulmifolia, 246, 247 uniflora, 254 virgata, 252n virginiana, 246, 249 vulgaris, 267 Spiraeeae, 239, 245 Steiranisia, 132 heteranthera, 156 reflexa, 146 Stellariopsis, 269, 292 santolinoides, 292 Stylophorum, 7, 52 albidum, 52 attenuatum, 52, 54 densiflorum, 52, 54 edule, 52, 53 hassei, 52, 53 insulare, 52, 53 orcutii, 52, 54 parishii, 52, 54 semiteres, 52, 53 traskae, 52, 53 virens, 52 viscidum, 52 Stylypus, 401 vernus, 402 Suksdorfia, 82, 121 ranunculifolia, 121 violacea, 121 Sullivantia, 82, 121 halmicola, 122, 551 hapemani, 122 ohioensis, 122 oregana, 122 sullivantii, 122, 551 21 22 NORTH AMERICAN FLORA [VoLuME 22, Syringa, 162 [Tiarella] [Ulmaria] inodora, 168 macrophylla, 117, 118 palustris, 266 suaveolens, 165 rhombifolia, 119 rubra, 267 spiraea-ulmaria, 266 trifoliata, 258 ulmaria, 267 Ulmarieae, 239, 266 stenopetala, 119 trifoliata, 111, 118, 119 laciniata, 119 unifoliata, 178, 551 Talinum linguaefolia, 15 Telesonix, 82, 126 heucheriformis, 126, 552 jamesii, 126, 551 Tellima, 81, 90 affinis, 89 australis, 549 bolanderi, 88 breviflora, 90 breviloba, 549 bulbifera, 549 catalinae, 549 cymbalaria, 88 glabra, 85 grandiflora, 90 heterophylla, 87 intermedia, 549 laciniata, 549 nudicaulis, 97 odorata, 90, 91 parviflora, 84, 89 pentandra, 550 racemosa, 97 scabrella, 88 tenella, 85, 86 trifida, 549 triloba, 549 tripartita, 87 williamsi, 550 Tetrorum, 8, 59 pusillum, 59 Thecanisia, 266 angustifolia, 268 discolor, 267 lobata, 267 purpurea, 268 ulmaria, 267 Therophon, 82, 123 aconitifolium, 123, 124, 551 cincinnatum, 123, 124, 551 elatum, 123, 124, 125 heucheriforme, 126 intermedium, 123 jamesii, 126 majus, 123, 126, 551 napellioides, 124 occidentale, 123, 124, 551 purpusi, 122 richardsoni, 123, 125, 551 rotundifolium, 123, 125 turbinatum, 123, 124, 551 vancouverense, 123, 125, 551 Thompsonella, 539 minutiflora, 538, 539, 540 platyphylla, 539, 540 Tiarella, 82, 117 alternifolia, 90 biternata, 158 bracteata, 111 californica, 118 colorans, 102 cordifolia, 117, 118, 551 laciniata, 118, 119 unifolia, 92 unifoliata, 118, 551 procera, 118 Tigarea, 416 tridentata, 416, 417 Tillaea, 7, 8 angustifolia, 9 bolanderi, 9 aquatica, 9 ascendens, 9 bolanderi, 9 connata, 8, 9 cymosa, 55 drummondii, 9 erecta, 8 leptopetala, 8 minima, 8 subsimplex, 8 muscosa, 8 rubescens, 9 simplex, 9 vaillantii, 10 viridis, 9 Tilleastrum, 7, 9 aquaticum, 9, 535 drummondii, 9 latifolium, 536 longipes, 535 pringlei, 9, 10 vaillantii, 9, 10, 535 viride, 9 Tolmiea, 90 menziesii, 90 Tormentilla, 293 concinna humifusa, 329 humifusa, 329 reptans, 302 Tridophyllum, 293 bienne, 305 monspeliense, 307 nicolletii, 304 norvegicum, 307 paradoxum, 304 pentandrum, 307 rivale, 305 Trilopus, 186 dentata, 186 estivalis, 186 nigra, 186 parvifolia, 186 rotundifolia, 186 virginica, 186 angustifolia, 558 orbiculata, 558 Tristichia, 3, 535 alternifolia, 3 hypnoides, 3 Ulmaria, 266 aruncus, 255 filipendula, 267 Umbilicus mexicanus, 51 Urbinia, 7, 32 agavoides, 28n, 32 corderoyi, 32 obscura, 32 lurida, 541 purpusii, 541 Vauquelinia, 259, 260 angustifolia, 260 californica, 260, 261 corymbosa, 260, 260, 261 karwinskyi, 260 torreyi, 261 Villadia, 7, 29 albiflora, 29, 30 cucullata, 29, 30 diffusa, 540 guatemalensis, 540 imbricata, 29 levis, 541 minutiflora, 29, 31 nelsoni, 29, 30 painteri, 29, 30 parviflora, 29, 31 pringlei, 29, 30 ramosissima, 29, 31 squamulosa, 29, 31 stricta, 29, 30 texana, 28 Waldsteinia, 398 fragarioides, 398 doniana, 398 geoides, 398 idahoensis, 398, 399 lobata, 398 parviflora, 398 Weinmannia, 179 alpestris, 179 caripensis, 179 glabra, 179 mexicana, 179 hirta, 179 antillana, 179 intermedia, 179 pittieri, 179 nitida, 179 pinnata, 179 Whipplea, 159, 178 modesta, 178, 557 utahensis, 176 Windmannia, 179 glabra, 179 intermedia, 179 pinnata, 179 Xamedryon, 245 Yamala, 97 cylindrica, 1175 Zygalchemilla, 377, 385 pinnata, 385 a ” i 7 A ar a viii ; en Wa New Y ll vn ii til lf 3 5185 002 o== Aiea) ”, oe J AAR eae eeu ie ere mb COLUM yeh , i sareeaverird tibet bt fh uh VATSOC aan 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