538 
Asclepias eriocarpa, 4 
euphorbizfolia, 488. 
verticillata, var. subverticillata, 
vestita, (488.) 
, 518, 
us Lindheimer 517s 
erishonalya (?), 50 
eropogon ie sas 510, 
B. 
Baptista SULPHUREA, 522. 
520.) 
Bouvardia glaberrima, 53. 
Brazoria, 511. 
Srmigea 511. 
Brickellia pe Aart 514, 
Brizopyrum nr 497. 
strictum, 
Buchloé, 497. 
aeonssain 497-500, 503, 504, 
C. 
Cactus BICOLOR, (188.) 
ornicus, (149.) 
ferox, (146, 232.) 
fragilis, 
Calanthera dactyoides, ae ) 
lliandra 
Ca 
(?) herbacea, Ag 
ot Austini, 518, 
ernalis, 507, 
Daiomants pilosa, (511.) 
Campanula intermedia, (521.) 
Langsdorffiana, (525, 526.) 
leptocarpa, “ets 
linifolia, 525 
eae eas 
scabrella, 525. 
opamp 525, (525, 526.) 
INDEX TO SPECIES. 
Cereus adustus, 114, 137, 196. 
Berlandieri, 139, 153, 199, 219. 
cxspitosus, 114, 116, 119, 137, 158, 
196. 
var. castaneus, 119, 187. 
var. maj or 
Californie, 125, ( 149. ) 
Chilensis, 2 
clots 16, 194, 195. 
chrysocent . 
peg 114, Tie 159.) 
eylindricus, 114. 
var. ig ke aan 114, 
conoideus, ae 221, (159.) 
ctenoides, 1 95. 
ae 114, 136, 194, 195 
var. minor, 136, 153. 
Deppii, (200.) 
dubius, 138, 198, 219. 
Ehrenbergii, 216. 
moryi, 123, 140, 201, 219. 
Engelmanni, 123, 138, a 198, 
219, 224,927, 231, 
var. chrysocentrus, cd +f 174. 
var. variegatus, 138, ee 174. 
enneacanthus, 114, 137, 
Fendleri, 114, 115, 137, ek 197, 
9, 
ar. pauperculus, 115, 158, (197.) 
viguitens, 1138, 122, 125, 140, 161, 
219. 
* 
gonacanthus, 138, 159, 174, 234. 
Greggii, 50, 111, 124, 140, 201. 
var. cismontanus, 140, 202, 216, 
220. 
var. agrees 140, ae, 220. 
hexzedrus, 139, 74. 
longisetus, 137, oe 
Mojavensis, 137, 158, 174. 
var. Zuniensis, 137, 158, 174. 
paucispinus, 139, 199, 219. 
us, 136. 
r. rigidissimus, 136, 195. 
sintakioaias 153, 216. 
pheeniceus, 138, 159, 160, 178, 291, 
234. 
subsp. conoidens, 159. 
eee 114, 139, 199, 216, 
prince e 225. 
Seponsn bees, 114, 120, 139, 200, 219, 
repens, 
Reemeri, 114, * 139, (139.) 
Retteri, 153, 
rufispinus, We a9 
Schottii, 140, 204, 220. 
i 04 
Thurberi, 126, 140, 208, 220. 
hidiatus, 114, 138, 159, 174, 
234. 
tuberosus, 139, 200, 216, 219. 
Cereus brea ss, 120, 140, 201, 219, 
225, 226.) 
Tesi ae 
viridiflorus, 114, 1386, 158, 219, 224, 
227, 231, (183, 195, 234.) 
var. ble somes 
r, a” 
Zuniensia, (158) 
Chilopsis, 45. 
Cicendia ; pusilla, (484.) 
Cirsium filipendulum, (518. 
Virginianum, var. filipendulum, 
518. 
Clematis coccinea, (517. ) 
iorna, var. coccinea, 517. 
Cnidoscolus stimulosus, 448. 
Convolvulus lobatus, 511. 
Cornus, fruit of, 478. 
Corydalis aurea, var. micrantha, 518. 
var. occidentalis, 514, 518. 
Crategus gctnecactsts, 528. 
herbert lid, 527. 
brachyacantha, 526. 
Douglasii, 526. 
sos 526 
Croto n corymbulosus, 445, 
7 38 = 
aa ae ses ) 
procum 
Texensis, ne 
virens, (445.) 
Cuscuta, 60, 70, 76, 518, 
ica, 77. 
acaulis, (100.) 
acuminata, (94.) 
acuta, 93. 
acutiflora, - ) 
a, (90 r 
Africana, %, — 83, 96.) 
81.) 
aggregata 
alba, (77, 79.) 
alpina, (80.) 
siaatnas: i: re wie 83, 85, 91, 
98, 1 
93, 
A mprlpagon, 7H ) 
anguina, (104.) 
angulata, 82. 
aphylla, (104.) 
na 
> approximata, (78.) 
Arabica, 82, (90. ) 
var. tiaca, 82. 
/ arvensis, 63, 92. 
var. vi ’ 
Asiatica, (78, 81.) 
q Pe a aie ** 
