382 



INDEX. 



Page. 



Amblyodon doalbatus, Boauv 346 



Amblyategium radicale, Brid 348 



serpens, L 348 



Sprucei, Brch 348 



Ambrosia aptera, DC 158 



pBilostachya, DC 158 



trifida, L 158 



Amelanchier alnifolia, Nutt 116 



Amole 51 



Amnrciixia Srhudcana, Planch 68 



A inui pha 85, 86 



California, Nutt 99 



fruticosa, L 99 



AMPELIDEiE 83,357 



Ampelopsis quinquefolia, Mx 83 



Ain.sin. l,ia. spectabilis, Eisch. &Mey 370 



AN \c LEDIACE2E 84 



Anagallis arvensia, L 368 



Anemtheria dccumbens, Nutt 188 



Anaphalis margaritacea, Benth 157 



Andropogon argenteus, Ell 296 



ciliaris, Trin 296 



contortus, L 296 



macrourus, Ms 296 



scoparius, Mx 29C 



Androsace septentrionalis, L 184 



Aneimia adiantifolia, Swartz 338 



Mexicana, Klotsch 338 



Anemone eylindrica, Gray 56 



multifida, DC 55 



narcissiflora, L 55 



patens, L., var. Nuttalliana, Gray 55 



Anemopsis Californica, Hook 49,249,375 



Ancsium., Newman 329 



Angelica lineariloba, Gray 134, 363 



Wheeled, "Watson 134 



Anisacanthus pumilus, Noes 219 



Anisophyllum 244,245,246,247 



Anoda hastata, Cav., var. depauperata, Gray 74 



var. parriflora, Gray 75 



parvijlora, Cav 75 



A ntennaria Carpathica, R. Br 157 



dioica, Gaert 157 



Antirrhinum maurandioides, Gray 209 



Aphanorregma serrata, Sulliv 344 



Aphiiuostephus ramosissimus, DC 147 



Aphyllon erumthera, Engelm 217 



fasciculatum, Gray 176,217 



multirlorum, Gray 217 



Apium linear e, Benth. & Hook 133 



Aplopappns 152 



Bloomcri, Gray 363 



oers inns, Watson (PI. VI) 142 



ericoides, DC 152 



Premontii, Gray 142 



gracilis, Gray 143 



gracilis, Gray, var. denudatns, Torr 143 



inuloides, T. & G 143 



lanceolatns, T. & G 143 



laricifolius, Gray 144 



Maeronenia, Gray 142 



Nuttallii, T. & G 143 



Paxryi, Gray 143 



spinnlosus, DC 143 



suflrutkosus, Gray . 142 



tenuicaulus, D. C Eaton 143 



Page. 



APOCYNACE.E 186 



Apocynum androsssmifolium, L 186 



cannabinum, L 186 



Apodanthera imdulata, Gray 126 



Aquilegia cssrulea, James 58, 59 



Canadensis, L 58 



chrysantha, Gray 22,25, 58 



formosa, Fisch 58 



leptoccra, v&r.Jlava, Gray 58 



Arabia Drummondii, Gray 62 



hirmta 62 



Holbcellii, Hornem 62 



perfoliata, Lam 61 



Arbutus Menziesii, Pursh 25, 183 



Arceuthobiuni Americanum, Nutt 252 



campylopodum, var., Engelm 253 



cryptopodum, Engelm 254 



divarioatum, Engelm 253 



Douglasii, Engelm 253 



Douglasii, var. microcarpum, Engelm 253 



occidentale, Engelm 254 



Tobustum, Engelm 254 



Archangelica Gmelini, DC 134 



Arctostaphylos glauea, Lindl 184,367 



tomentosa, Dougl 25, 184, 367 



Uva-iirsi, Spreng 183 



Arenaria arctica, Stev., var. obtma, T. & G 71 



biflora, Wahl 71 



capillaris, Poir 71 



Fendleri, Gray 71 



Fendlcri, Gray, var. subcongesta, "Watson. 71 



lateriflora, L 72 



Mossii, II. Br 71 



sax osa, Gray 71 



verna, L 71 



verna, L.,var. birta, Fenzl 71 



Argemone Mexicana, L., var. hispida, Torr 61 



Aristida divaricata, H. B. K 286 



Humboldtiana, Trin 286 



purpurascens, Poir 286 



purpurea, Nutt 286 



Arnica alpina, Liestad 176 



angustifola, Vahl 176 



cordifolia, Hook 17C 



foliosa, Nutt 17G.36G 



latifolia, Bong 170 



longifolia, D. C. Eaton 17G 



Artemisia 19, 26, 4G 



borealis, Pallas 176 



Canadensis, Mx 176 



discolor, Mx 176 



dracunculoidea, Pursh 176 



frigida, Willd , 176,217 



Ludoviciana, Nutt 176, 366 



Ludoviciana, Nutt., var. Douglasiana, D. 



C. Eaton 176 



Ludoviciana, Nutt., var. latifolia, T. & G. . 176 



Ludoviciana, var. latiloba, Nutt 176 



Ludoviciana, Nutt,, var. Mexicana, Gray.. 176 



Ludoviciana, Nutt, var. tenuifolia, Gray.. 176 



scopulonun, Gray 176 



Eothrockii, Gray (PL XIII) 366 



tridentata, Nutt 376 



A6CLEPIADE2E 187,368 



Asclepias erosa, Ton- 308 



favciculariSi Dec ... 368 



