INDEX. 
517 
Pago. 
(Euotiiera mnlio2>hylhi, Torr 109 
chamanerioUlcs, Gray 112 
clavopformis, Torr 109 
contorta, Hook 112 
coronopifolia, T. G 106 
deltoides, Torr 107 
densiflora, Lindl 109 
deutata, Cav Ill 
epilohtokJes, Nutt 112 
exlmia, Gray 108 
glabella, Nutt lOS 
lioterautha, Nutt 110 
marginata, Nutt 108 
njicrautlia, Honiera Ill 
montana, Nutt 108 
Nuttallll, T. & G 110 
pari'iila, Nutt 112 
ptcrosperma, S. Wat.son 112 
stapoidea, Nutt 109 
siri<j}(IoH(t, T. & G 112 
tauacetifolia, T. & G 110 
triloba, Nutt 107 
viminea, Dougl 108 
Olkaci:>: 283 
OxA(a;A(K,E 10:i 
Oin/eJiiiun densinn, Brackr 1596 
Opuntia, Tourn 118 
acautliocarpa, Eng. & Big 120 
arborescens, Eug 120 
basilaris, Eng. & Big 118 
eriuacea, Eng. tSt Big 119 
fragilis, Nutt 119 
frutescens, Eng 120 
hystricina, Eng. & Big 119 
Missouriensis, DC 118 
pulchella, Eng 119 
rut ila, Nutt 119 
spli;rrocarpa, Eng. & Big 118 
Oucini>ACKJ:; 340 
OnophUa mijytifoUa, Nutt 50 
OKor.AXCIIACK.E 215 
Orobaiiehe mnllijlora, Nutt 215 
Orogenia, S. Wat.sou 120 
liiiearifolia, 8. WatsoH 120 
Ortlioearpu8, Natt - 230, 457 
attenuatu.s, Gray 458 
australi.s, Benth 459 
bracteosns, Bonth 4.58 
cami>cstris, Bentb 4.57 
(■;istill. i()i(b s, hvnth 4.')9 
dcuHitiorus, Bentli 4.")8 
erianthus, Beutli 457 ; 
faueibarbatns, (Iray 4.57 | 
tloribniidiis, lii'uth 4.57 | 
gracilis, Bt-utli '157 
bisindiis, ]5,'iitli 45- 
iniliricitiis, Ton- l->~ 
lact rus. liciitli 457 : 
liix'arilobu.s, Bt-ntii 4.59 , 
litiiosi)ermoides, liciith 457 ' 
Page. 
Ortliocarpus luteus, Nutt 231,4,^8 
pallesceus, Gray 4.59 
pilo.sns, S. Wat.son 231,4,59 
purpurasccn.s, Benth 4.58 
puri»ureo-albus, Gray 4.58 
pusillns, Bcutli 457 
tonuilblins, Benth 4.58 
Toliuiei, H. A A 230, 4.">8 
Ortliotriehiini anoinaluiu. Heilw )(I2 
Janiesiaiunn, Sail 4(il 
lanigatuni, Zctt 402 
Mocarpnm, 402 
obtiisifoliuni, liil 
occidcntab^, James 402 
rupcstro, Suhl 402 
Btrangnhitiun, 102 
Mtrialuui, L Hi2 
Staraiii, II. A H |0| 
T<'xatm(ii. Sill! |o| 
WatsiMii. .lames 
Oiyct<\s, S. '\\';ds(»M 274 
NiA a<h'iisis. S. W atsoii 274 
Osiiiorhiza lu'evisfylis, DC p.>2 
innhi, Torr 1-J2 
Oiirhia Califoniivd, llentli 2"-l 
OxybapliuH, L'Her 474, 475 
aggrogatus, \'alil 475 
alliidus. Sweet i:r> 
angiist it'olius, S'.veet 2~4, 175 
eoeeineiis, Torr 475 
Froibelii, Px lu' 475 
glabrifolins, \'alil 475 
hirsutus, Sweet 475 
nyctagineus, Sweet 475 
visee^ns, I/Ifer IT.'i 
Oxyria <ligyii.i. ('aini><l 313 
Oxythcca, Nutt 3lo. (7<i 
(h'udroidea, 'Sntt .310 
/<;/(V;w, Nutt 311 
peifoliat.i. T. G 311 
W.it-oiii. T. A (; 311 
Oxytropis, IX' 44(; 
cainjiestris, L 77,417 
dellexa, DC 447 
Lamhe) ti. I'liish 4 17 
inaltieeii^, Xiitt 44G 
nini;i. Nut r 447 
]Ki(li(( ari)a, ( ;r:iy 4 17 
S))lenih'lis. I •nti^l 1 17 
Crah n^s. L. 417 
risi'iilii. Nutt 77 
Pill hjipoiJiinn iiiliiirifiiliiiin. .N'utt 'S> 
\utt 25 
Nair 25 
Paeiu -lii^u.. i:,,: 
y\\ i-ihir.-. i::it. 
I'alat^xia. L;-- 4-i4 
liijeaiis, Lag V^i 
raniciini eaiiillare, L -V-'i 
Cru.-i-galli, L 394 
