Vil 
Celtis, 29, 62, 133, 439, 542, 560. 
Cenangium, 136, 323, 468 
Centropogon, 162, 371. 
Cephalanthus, 539. 
Cephalothecium, 481. 
Cephalozia, 320. 
Ceramanthus, 305. 
Cerastium, 180, 217, 343. 
Cerataulus, 500. 
Ceratocystis, 506. 
Ceratominthe, 163. 
Ceratostoma, 127, 323. 
Ceratozamia, 103. 
Cercinella, 480. 
Cercospora, 163, 473. 
Cercosporella, 473. 
Cestrum, 99, 333. 
Cetraria, 239, 341. 
Chaetoceros, 504. 
Chaetomium, 541. 
Chaetophora, 168. 
Chalara, 505. 
Chara, 358. 
Chariessa, 80. 
Chenopodium, 289. 
Cheilanthes, 160, 216, 408, 541. 
Cheiranthus, 163. 
Cheiroglossa, 559. 
Chiodecton, 238. 
Chiogenes, 589. 
Chimaphila, 485. 
Chloris, 463. 
Choenocrambe, 163. 
Chondrioderma, 67. 
Chondromyces, 543. 
Chondrophora, 28. 
Chorizanthe, 336. 
Chrysanthemum, 454. 
Chrysocoma, 28. 
Chrysosplenium, 326, 540. 
Chrysopogon, 21. 
Chrysopsis, 58, 369, 493. 
Chusquea, 327. 
Cienfugosia, 266. 
Cimicifuga, 561. 
Cinnamomum, 591. 
Circaea, 418, 572. 
Cirsium, 157. 
Cnicus, 157. 
Cladonia, 33, 77, 182, 227, 239, 341. 
Cladosporium, 159, 254. 
Cladothamnus, 369 
Claopodium, 427, 537. 
Clasmatodon, 314. 
Clasterisporium, 472. 
Clastoderma, 69. 
Clavaria, 33, Fig 340. 
Claytonia, 178. : 
Clematis, 126, 209, 212, 245, 327, 337, 
542. 
Cliftonia, 63, 154. 
Climacosphenia, 500. 
Clinopodium, 156. 
Clitocybe, 140, 326, 340. 
Clitopilus, 541. 
Clitoria, 274. 
Clypeosphaeria, 279. 
Coccocarpia, 240. 
Cocconeis, 412, 499. 
Coelastrum, 328. 
Coenogonium, 238. 
Coleosanthus, 58, 474, 511. 
Coleosporium, 540. 
Collema, 240. 
Collemopsidium, 240. 
Colletotrichum, 29, 163, 466. 
Collomia, 323. 
Collybia, 326, 541. 
Collyma, 141. 
Colubrina, 207. 
Comatriche, 68. 
Combea, 238. 
Commelina, 209. 
Comptonia, 288, 463. . 
Conanthus, 479. 
Coniocybe, 238. 
Coniothecium, 541. 
Conoclinium, 212. 
Conotrema, 239. 
Conringia, 323. . 
Coptis, 362, 484. 
Cora, 35- 
Cordia, 208. 
Coridospermum, 326. 
Coriospermum, I9gI. 
Cornicularia, 239. 
Cornus, 290, 569. 
Corticium, 56, 125. 
Coryneum, 292, 458, 467. 
Coscinodiscus, 499, 503. 
Coscinodon, 424. 
Cotula, 344. 
Cracca, 266. 
Crandallia, 466, 599. 
Crataegus, 53, 58, 63, 163, 475. 
Craspedodiscus, 500. 
Craterium, 65. 
Crepidotus, 56. 
Crepis, 58, 275, 299. 
Critonia, 28. 
Croton, 100, 159. 
Crucibulum, 72. 
Cryphaea, 215. 
Cryptodiscus, 469. 
Cryptomitrum, 321. 
Cryptophallus, 147, 326. 
Cryptothele, 240. 
Cucurbita, 273. 
Cucurbitaria, 127, 323, 459. 
Culmites, 123, 583. 
Curreya, 135, 280, 323. 
| Cyathus, 72, 125, 323. 
