382 
Page 
Amblyodon dealbatus, Beauv 346 
A bly + i qa: 17 ‘ Bri d 348 
serpens, L 348 
Spracel, Breh sc codec oes sce 348 
Ambrosia aptera, DC 158 
ps oR meals DC 158 
trifi 158 
RPE a ht MEUGR © were cca ce eee ee bs 116 
51 
ia Schied , Planch 
Amorpha 85, 86 
A MUOTIICA. FOG h ees eean sack et atccs 
fruticosa, L 
AMPEL 83, 357 
A Pp 7 p 2 al q £3: oa 
A I 38 tabilis, Fisch. & Mey 370 
N 84 
Anagallis arveae, L 368 
x eaegpadany , Nutt 188 
g Benth 157 
A 3. + : 296 
ciliaris, 296 
contortus, L 296 
rus, Mx .. 296 
BOGAN MS ok civwssancocsiemescens 296 
Androsace septent lis, 184 
A imi tifoli . Swartz 338 
Mexicana, Klotsch .? 338 
A naw, y a og 2, xray 56 
one 55 
PUMMIEOTE, Liss coccoesieceacee oe eeees 55 
P patens, L., var. eam, CHBy 20 55 
ate . 49, 249, 375 
wman 329 
ildinn lineariloba, Gra; 134, 363 
Wheele eri, Watson 134 
Ani Ni 219 
Anisophyllum 244, 245, 246, 247 
Anoda hastata, Cav., var. noite Gray 3.522. = 74 
var. parviflora, Gray ....-..... 75 
pres, Cav 75 
Antennaria thica, R. Br 157 
UC ORG is os Ge poo ea oe cates 157 
= igeienaainine reste Napseti Gray 209 
ss liv 344 
147 
Aphyllon erianthera, Engelm . 217 
fasciculatum, Gray 176, 217 
multifio rin; Cay 217 
Apium lineare, hg NO eit See 133 
Aplopappus 152 
Bloomeri, G 363 
cervinus, Wataa ei ee ee 142 
ericoides, 152 
montii, Gray 142 
gracilis, Gra; 143 
gracilis, Gray, — denudatus, Torr. .... 143 
inuloides, T. & 143 
lanceolatus, T. ; G 143 
laricifolius, Gray 144 
ema, Gray 142 
Nuttallii, T. & 143 
i, Gray 143 
spinulosus, DC 143 
suffruticosus, Gray 142 
ewe ee 
INDEX. 
Page. 
APOCYNACEX 186 
A pocy d ifolium, L 186 
iemeerxgeaenat: L 186 
th , Gray 126 
caulleali — Jame ee Se ee Oe ea 58, 59 
adensis, L ; 58 
chrysantha, ried 22, 25, 58 
formosa, Fi 
tocera, var. Gray 58 
‘Arabis lenges Gra; 62 
62 
pentane SEO Ghee a oa toe co eeacae as 62 
perfoliata, : Lam 61 
Arbutus magn WB Shas cepseuceoeee ss awes es 25, 183 
Arceutho am Americana Nutt 252 
pytopodum, var., Engelm ........ 253 
ium, Engeltt...sicececscease 254 
divaricatum, Engelm ................ 253 
Douglasii, 1m 253 
Douglasii, var. microcarpum, Engelm 253 
oochieintale, POU Soc vcensecwes sen 254 
robustum, Engelm 254 
earn e lini, DC Bo 
J 
tomentos, com ee 25, sae a 
ursi Spreng 
Arenaria arctica, Ster., var. obtusa, is, GORE cecaweces es 
biflora, 71 
ca) illa1 Pin 71 
aisesrn Pee Weerene seeeue wes kewnes 71 
endleri, Gry var. subcongesta, Watson. 71 
ce 2 
Rossii, r 
saxosa, Gray -..-- 
erna, 71 
a 2 ;var. hirta, Fen 71 
ye amas Me ni L., var. ane ps ee 61 
tida divaricata, 1. 286 
u 1 tiana, Trin 286 
ascens, Poir 286 
MIU INUAG vo naunseckneuyhs aus us deer as 286 
Arnica alpina, Lestad 176 
angustifola, Vahl - 176 
cordifolia, Hook 176 
foli u 176, 366 
latifolia. iE 176 
longifolia, D. c: OU oor y cos casaraccaeeee 176 
Artemisia 19, 26, 46 
borealis, Pallas ...-.. 176 
nsis, Mx 176 
discolor, Mx 176 
dracunculoides, Pursh 176 
frigi id 176, 217 
Ludoviciana, N 76, 366 
Ludoviciana, nee var. Douglasiana, D. 
C. Eaton 176 
Ludoviciana, Nutt., var. ae Tite G.. 176 
Ludovieiana, var. latiloba, fee Sees 176 
Ludoviciana, Nutt., var. aetiaehas Gra 176 
Ludovicia: a ee var. tenuifolia, pac 176 
scopuloru 176 
Rotuockii, Gray (Fi Sie 366 
tridentata, Nut 176 
187, 368 
368 
Asclepias erosa, Torr 
Sascicularis, Dec 
