INDEX. 



395 



Page. 



Phaseolus "Wrightii, Gray 103 



Phegopteris alpestris, Mefct 331 



" Dryoptoris, Fee 332 



hexagon op tera, Fee 332 



polypodioides, F6e 305,332 



Philibortia cynanchoides, Gray 187 



linearis, var. heterophylla, Gray 187 



Philonotis calcarea, Brch. & Sch 347 



fontana, (L.) End 347 



fontana, (L.),var. gracilis 347 



marchica, Brid 347 



Phleum alpinum, L 281 



Phlox caaspitosa, Kutt 197 



Douglasii, Hook 197 



longifolia, Kutt 197 



longifolia, Kutt. , var. Stansbuxii, Gray 197 



nana, Kutt 197 



Phoradendron Californicum, Kutt 252 



flavescens, Kutt 251 



flavescens, Kutt., var. macrophyllum, 



Engelm 252 



flavescens, Kutt., var. orbiculatum, 



Engelm 252 



flavescens, Kutt., var. villosum, 



Engelm 252 



juniperinum, Engelm 252 



villosum, Kutt 252 



Photinia arbutifolia, T. &G 361 



Phragmites communis, L 293 



Physalis lobata, Torr 208 



viscosa, L 208 



Physaria didymocarpa, Gray 62 



Physcomitrium latifolium, Drum 344 



PHYTOLACCACEiE 228 



Picea Engelmanni, Engelm 18, 256 



Pine(Pinon) 21 



(White) 37 



Pinus albicaulis 258 



Axizonica, Engelm 260 



Ayacahuite 258,259 



Balfouriana, Murr 8, 9 



Balfouriana, Murr., var 375 



Banksiana, Lambert 263 



Bolanderi, Pirlat 263 



Bungeana, Zucc 260, 262 



cembroides, Zucc 260 



Chihuahuana, Engelm 262 



commutata, Parlat 256 



contorta, Dougl 7, 8 



contorta, Dougl., var. latifolia, Engelm 262 



deflexa, Torr 261 



edulis, Engelm 6, 9, 260 



excelsa 259 



flexilis 9,257,258,375 



flexilis, James, var. 0. macrocarpa, Engelm 258 



flexilis, James, var. a. serrulata, Engelm 258 



flexilis, James, var. 7. reflexa, Engelm 258 



Fremontii, End! 259 



Halepensis 263 



Hartwegii 261 



inops, Ait 263 



Koraiensis 258 



Lambertiana 259 



Mandschurica 258 



monophyllus, Torr. & Frem 259, 375 



Montezuma 261 



Page. 



Pinus monticola 259i 



Murrayana, Balf 262 



Parryana 260 



par viflora 259 



Peuco 259 



pondorosa, Dougl 7, 9, 21, 25, 361, 375 



pygmaea 258,259 



Sabiana, Dougl 375 



Strobus 259- 



Placodium Jungermanniae, (Vahl. Th. Ft.) 351 



sinapispermum, (DC.) Hepp 351 



vitellinum, (Ehrh.) Kaeg. &Hepp 351 



PLAKTAGIKE.23 225 



Plantago major, L 225 



Patagonica, Jacq.,var. gnaphalioides, Gray. 225 



PLATAKEJ3 239 



Platanus racemosa, Kutt 239 



Platyloma bellum, T. Moore 322 



brachypterum, T. Moore 322 



Pleotritis congesta^, DC 138 



Pleuraphis Jamesii, Torr „ 286 



Pleurogyne, Eschsch 191 



rotata, Griseb 196 



Pluchea camphorata, DC 157 



Pneumonanthe, (Keeker) Gray 191, 192, 193 



Poa 32 



alpina,!L 289 



Andina,Kutt 289 



arctica,R. Br 291 



brevifolia, Muhl 291 



cassia, Sm. ? 290 



flexuosa, Muhl 290 



laxa, Blsenke 290 



pratensis, L 290 



serotina, Each 290 



tenuifolia, Nutt 290,294 



"Wheeleri, Yasey (PL ZXVXTJ) 291 



Poinsettia 248 



POLEMONIACEJ5 197,369 



Polanisia graveolens, Raj 68 



tmiglandulosa, DC 68 



Polemonium cajruleum, Linn 200 



caaruleum, Linn., var." foliosissimum, 



Gray 200 



confertum, Gray 200 



humile, Willd 200 



Polyactidium d&pkinifolium 153 



Polygala alba, Kutt 68 



puberula, Gray 69 



POLYGALE2E 68 



POLYGOKACEiE 228,372 



Polygonum amphibium, L 232 



amphibium.L., var. Muhlenbergii, Meisn 232 



aviculare, L 5,230, 373 



Bistorta, L 7,232 



Bistorta, L. , var. oblongifolium, Meisn . . . 232 



erectum, L 231 



Hy dropiper, L 232 



imbricatum, Kutt 232 



nodosum, Pers 232 



Persicaria, L 233 



tenue, Michx., var. latifolium, Engelm.. 231 



viviparum, L 232 



Polypodium alpestre, Hoppe 331 



Californicum, Kaulf 303 



carnomm, Kellogg 304 



