nervosa, I, 202 
nevadensis, I, 207 
olneyae, I, 
orcuttiana, I, 206 
oxylepis, I, 185 
pauciflora, I, 207 
paucispicula, I, 203 
° 
> 
ie] 
— 
bolan- 
deri, III, 234 
ostemma nyctagini- 
7 
Poinsettia eriantha 
I 
Polanisia, IT, 327 
rave 
OLEMONIACEAE, 
GLE 
erryi, IIT, vid 
bicolor, IIT, 4! 
caeruleum, Te 398 
INDEX OF SCIENTIFIC NAMES 
californicum, III, 398 
calycinum, III, 398 
tevisi, III, 
tricolor, 1346 98 
scosum, III, 4 
"Blister iT1L ss 
Polyanthrix hystrix, 
I, 254 
pi tesa II, 158 
depressum, II, 158 
tetraphyllum, II, 158 
Polyctenium bisulca 
par aa Li, 2 
poniears: III, 21 
fishiae, III, 21 
Pha ty nT, 21 
fishiae, IIT, 
lees III, 2 
Po OLYGALACEAE, ‘aa 21 
POLYGONACEAE, 
i, 
Polygonum, IT, 54; 
,61 
oe Tl, 62 
um, IT, 59 
emersum, II, 
erectum, II, 58 
esotericum, II, 59 
pare 
lapathifolium, Poy 66 
incanum, 
salicifotium, 1 66 
maj jus, Tz 
2 
pe ennsylvanicum, II, 66 
persicaria, II, 6 
rr riciasioieiees 
polygaloides, II, 59 
tatum 
leptostachyum, II, 63 
sawat 9 
hast RE: 
spergulariaeforme, 
torreyi, ba oe 
Vivi 
afsal ope Ag ‘a 
wats: onit, Se 59, 61 
succarinii, IT, 66 
Polypa eee sericeus, 
V, 
Sew viae a 1,5 
ypodium 
‘anum, 1, 15 
occidentale, I, 8 
715 
oreopteris, I, 15 
pa achyphyllum, Ly J 
lutos sus, I, 
m 
scopulin 
Ponista casseiantia, 
PONTROERIACEAR, I, 349 
Populus, I, 48 
peesa tears IV, 95 
sula, IV, 95 
eximia, 1V,95 
ulaca, ca Ie bs 8 
aes 1135 
wieder IIT, 119 
mineus, 
heterophyllus, I, 86 
hybridus, I, 84 
latifo lius, T, 89 
poo tides T, 88 
