INDEX. 



60? 



PAGE. 



Canadensis, L 471 



Canadensis, Bong. var. /i?.,Hook.471 



coutorta, Dougl. 466 



contorta, Dougl 467 



var. latijolia, Engelm 467 



Douglasii, Lambert 472 



flexilis, James -. 465 



flexihs, Lyall 465 



var. albicaulis, Engel 465 



grandis, Dougl 474 



inops, Hook 466, 467 



Lambertiana, Hook., var. / .... 465 



Larix, Dougl 475 



lasiocarpa, Hook 474 



Menziesii, Dougl 470 



Mertensiana, Bong 471 



microcarpa, Lambert 475 



monticola, Dougl 464 



Murray ana, Balfour 467 



nigra, Ait 468 



Nuttallii, Parlatore 475 



Pattoniana, McNab 471 



pendula, Hook 476 



pendula, Ait 475 



ponderosa, Dougl 466 



ponderosa, Dougl., var. scopulo- 



rum, Engl 466 



porphyrocarpa, Lawson 464 



resinosa, Ait 465 



resinosa. Hook .466 



rigida. Miller 467 



rubra, MX 465 



rubra, Lam 468 



rupestris, MX 468 



Sitchensis, Bong 470 



Strobus, L 464 



Strobus, Hook 464 



Strobvx, var. monticola, Nutt. . .464 

 sylvestris,va,r. diwricata, Ait.. .468 



taxifolia, Lambert 472 



PIPERACEJE (LXXXVI) 419 



Pirus, L 145 



Americana, DC 146, 521 



var. microcarpa, T. & G. . . .522 



Ameri -ana, Rich 146 



arbutifolia, L 145, 521 



var. melanocarpa, Hook . . 146 



Aucuparia, Meyer 146 



Botryapium, L 148 



coronaria, L 145 



malus, L 145,521 



melanocarpa, Willd 146 



oyalis, Pursh 149 



rivularis, Dougl 146 



sambucifolia, Cham.& Schlecht.146 



sangumea, Pursh 148, 149 



Pisum maritimum, L 121 



PLANTAGINACE.E (LXXVIII) 391 



Plantago, L 391 



aristata, MX 394 



Bigelovii, Gr 394 



PAGF. 



Bigelovii, Wat 394 



cordata, Lamb 391 



data, Pursh 3 ( Jl 



decipiens, Barneoud 393 



eriopoda, Torr 392 



Komtschatica, Hook 392 



Kentuckensis, MX 391 



Lagopus, Pursh 393 



lanceolata, L 393, 575 



lanceolata, var. /?., Hook 392 



var. }-., Hook 392 



var. >-., Timbali, Syme 393 



macrocarpa, Cham. & Schl 392 



major, L 391 



var. Asiatica, Decaisne 392 

 var. bracteata, Macoun.,.392 

 var. minima, Decaisne 392 



maritima. L 393, 575 



var. juncoidcs, Gr 393 



media, L 394 



Patagonica, Jacq., var. aristata, 



Gr 394 



var. gnaphaloides, Gr 393 



var. spinulosa, Gr 394 



pauciflora, Pursh .. 393 



pusilla, Nutt 394 



Eugellii, Decaisne 392, 574 



PLATANACE^: (xoiv) 432 



Platanus, L 432 



occidentals, L 432 



Platypetalum dubium, R.Br 55 



purpurazcens, R.Br 55 



Platystigma, Benth 34 



Oreganum, Benth 34 



Plectritis, DC 205 



congesta, DC 205 



congesta, DC 541 



var. minor, Hook 541 



macrocera, T. & G 541 



samolifolia, Hceck 541 



Pleurogyne, Eschsch 325 



Carinthiaca, Griseb, var. pusilla, 



Gr 325 



rotata, Griseb 325 



rotata, var. Americana, Hook... 325 



Podalyria tinctoria. L 123 



PLUMBAGINACE^: (LIX) 308 



Podophyllum, L 30 



peltatum, L 30 



Polanisia, Raf 59 



graveolens, Raf 59, 491 



POLEMONIACE^; (LXV) 327 



Polemonium, L 330 



ceeruleum, L 331,567 



var. acutiflorum, Ledeb 331 



var. humile, Hook 331 



var. pulchcrrimum, Hook . . 331 



var. vulgar e, Hook 331 



confertum, Gr 330 



humile, Willd .' 331 



var. pulchellum, Gr 331 



