Berlandiera, 143. 
Betencourtia, sor. 
Betula, 92, 338, 417. 
Biatora, 252, 253, 254, 375. 
Biddulphia, 173, 261, 275. 
Bigelovia, 375. 
Blumenavia, 238. 
Bocconia, 383. 
Boehmeria, 140. 
Boerhaavia, 156. 
Borsduvalia, 375. 
Bolelia, 338. 
Boletinus, 206, 286. 
Boletus, 207, 286, 477. 
Bonapartea, 158. 
Boretta, 406. 
Botridium, 402. 
Botrychium, 170, 444. 
Brachiolejeunea, 287. 
Bradburya, 324. 
Brasenia, 474. 
Brassica, 224, 278, 413. 
Braya, 285. 
Brebissonia, 261. 
Breweria, 143, 144, 154, 155, 238. 
Brintonia, 338. 
Brissonia, 25. 
Brittonamra, 25. 
Brodiaea, 114. 
Bromus, 512. 
Brousonnetia, 461. 
Bruchia, 350. 
Brugmansia, 481. 
Bryophylium, 382, 384. 
Bryum, 442. 
Buda, 405. 
Buechnera, 393. 
Buellia, 256, 257, 258, 260, 
Buettneria, 24. 
Bumelia, 144, 392. 
Bursa, 407. 
Buthograptus, 56. 
Buxbaumia, 50, gl, 350. 
Byrsonima, 229. 
Cabomba, 138. 
Cactus, 116. 
Caeoma, 185, 210, 286. 
Caffea, 381, 384, 
Calamagrostis, 517. 
Calicum, 259, 493. 
Calla, 106. 
Calliprora, 416. 
Callithamnion, 52. 
Callithamnopsis, 56. 
Calymperes, 339, 442. 
Calycanthus, 24. 
Capnoides, 405, 406. 
gee : 
Capsella, 376, 407, 417. 
pine orc 147. 
Capsovia, 427. 
Cardamine, 1 
ma 147, 148 
Cardiospermum, 147, S 
-Carduus, 324, 446. : 
Carex, 58, 82, 220, 221, 222, 223, 267, 273, 284, 375, 
vi 
Carpinus, 377. 
Carum, 108, 109. 
Carya, 331. 
Cassandra, 231. 
Cassava, 438. 
Cassia, 219, 392, 513, 514, 515, 516. 
Cassiope, 231. 
Castalia, 147, 286, 407, 473. 
Castanopsis, 377. 
Catasetum, 520. 
Catopteris, 168. 
Caulerpa, 402. 
Cavendishia, 92. 
Ceanothus, 143, 186, 393. 
Celastrus, 468. 
Celtis, 147. 
Cenchrus, 298, 299, 300, 301, 416. 
Centaurea, 461. 
Centrosema, 324. 
Cephalanthus, 151, 392. 
Cerataulus, 261. 
Ceratiola, 144. 
Ceratiomyxa, 235, 283. 
Ceratomyces, 140, 
Ceratophyllum, 138. 
Cercocarpus, 135. 
Cercospora, 82, 178, 179, 288, 438, 479. 
Cereus, 116, 478, 482, 484, 522. 
Cetraria, 240, 241. 
Chaetocladus, 56. 
Chalara, 285. 
Chamaedaphne, 231. 
Chamaeraphis, 422. 
Chapmania, 143. 
Chara, 52, 68, 79; 71, 138, 398, 427» 43°, 444, 468. 
Chaunostoma, gz. 
Cheilanthes, 350. 
Chimaphila, 224, 225. 
Chloris, 423, 424, 481. 
Chlorogalum, 114. 
Chondrioderma, 332, 334. 
Chondrophora, 338. 
Chrysobalanus, 438. 
Chrysoma, 186. 
Chrysopogon, 58, 59. 
Chrysopsis, 441 
Chrysothamnus, 338, 375- 
Cicendia, 405. 
Creuta,:238, 
Cimicifuga, 135, 474- 
Cirsium, 324. 
Cladium, 6r. 
Cladonia, 191, 194, 250, 251. 
Cladop! 430. 
Clados 
Clematis, 278, 473, 474, 493. 
Cleome, 238, 475. 
Clitocybe, 199, 286, 
Clitoria, 392, 500. 
Cnicus, 110, 143. 
Closterium, 291, 207» 427- 
Cocconeis, 261, 275. 
Colmil, 25. 
rye oae » 500, 501. 
ollema, 192, 197, 198, 246. 
Colletotrichum, 135, 374, 4375 479- 
Collen? 186, 285, 520. 
ia. 286, 486. 
ie 
Sologania, soz. 
Colubrina, 53. 
Colus, 238. 
