508 
Cat [fish ]—continued 
shovelnose, 328 
spoonbill, 328 
spotted, 328 
yellow, 328 
yellow-bellied, 328 
Catfish, 328, 330, 331, 333-5, 344, 351, 
364-5; see also Cat [fish] 
blue, 327-30, 332, 340, 343 
channel, 327-9, 332, 339-40, 343-50, 352-3, 
355, 358-9, 363, 365 
flathead, 327-30, 332, 339-40, 343-53, 355, 
355; 
358, 363, 365 
Catfoot, 440; see also Gnaphalium obtusifo- 
lium 
Catnip, 436 
Catostomus 
commersonnil, 237, 238; see also Sucker, 
common, fine-scaled, amd white 
commersonnii commersonnii, 329; see also 
Sucker, white 
Cattail, 228 
common, 228 
Ceanothus americanus, 420, 432 
Cedar, red, 395, 409, 415; see also Juniperus 
virginiana 
Celastraceae, 432 
Celastrus scandens, 432 
Celtis laevigata, 428 
Centrarchid, 271 
Centrarchus macropterus, 329; see also Bass, 
round; Flier; Sunfish, longfinned and 
round 
Cerastium 
nutans, 418, 428 
vulgatum, 428 
Cercis canadensis, 405, 413, 430 
Chaenobryttus coronarius, 217, 236, 329; see 
also Bass, warmouth; Goggle-eye; 
Warmouth 
Chaerophyllum sp., 433 
Chalara quercina, 278 
Chamaesyce 
glyptosperma, 420, 432 
maculata, 402, 420, 432 
supina, 420, 432 
Chaoborus, 226 
Cheat, 415 
Cheilanthes lanosa, 415, 416 
Chenopodiaceae, 418, 428 
Chenopodium 
leptophyllum, 398, 418, 428 
pratericola, 428 
Chess 
downy, 415 
hairy, 415 
Chestnut 
American, 277 
Chinese, 277 
European, 277 
Chickweed 
common mouse-ear, 428 
nodding mouse-ear, 428; see also Cerastium 
nutans 
Chinquapin, bush, 277 
Chrysopsis 
camporum, 439 
villosa, 423, 439 
I_ttinois NATURAL History SURVEY BULLETIN 
Volume 26 
Chub, creek, 237 
Chubsucker, creek, 237 
Cinquefoil 
common, 429; see also Potentilla simplex 
old-field, 429; see also Potentilla simplex 
tall, 429; see also Potentilla arguta 
Cistaceae, 420, 433 
Cleavers, 438 
Cliff-brake, purple, 415; see also Pellaea atro- 
purpurea 
Clover 
Korean, 431; see also Lespedeza stipulacea 
white sweet, 431; see also Melilotus alba 
yellow sweet, 431 
Cockspur-thorn, 429; see also Crataegus crus- 
galli 
Coffee, wild, 438 
Collembola (associated with oak wilt), 297, 
305-7, 310, 320; see also Springtail 
Colopterus (associated with oak wilt) 
semitectus, 297, 305-6 
truncatus, 297, 305-6, 308 
Columbine, wild, 429 
Colydiidae (associated with oak wilt), 305-6 
Comandra 
richardsiana, 428 
umbellata, 402, 418, 428 
Commelinaceae, 417, 426 
Compass-plant, 440; see also Silphium lacinia- 
tum 
Compositae, 423, 438, 441, 443 
Coneflower, 440; see also Rudbeckia missouri- 
ensis 
pale, 439; see also Echinacea pallida 
prairie, 440; see also Ratibida pinnata 
Coproporus ventrculus (associated with oak 
wilt), 305-6 
Coreopsis 
crassifolia, 439 
lanceolata, 393, 423, 439 
lanceolata var. villosa, 423, 439 
palmata, 402, 423, 439 
tripteris, 439 
Coreopsis 
finger, 439; see also Coreopsis palmata 
lance, 439; see also Coreopsis lanceolata 
tall, 439 
Corn, 227, 331 
Corn-speedwell, 437 
Cornus 
drummondi, 397, 402, 405, 434 
florida, 413, 434 
Corydalis, 429; see also Corydalis montana 
Corydalis 
aurea var. occidentalis, 429 
montana, 419, 429 
Corylus americana, 427 
Cottonwood, eastern, 427 
Cow-cress, 429 
Crab, wild, 429; see also Malus ioensis 
Crabapple, Iowa, 429; see also Malus ioensis 
Cranesbill, 431; see also Geranium carolini- 
anum 
Crappie, 329, 344, 347, 359-61, 365 
black, 217, 329, 332, 339, 341, 343-50, 352-3, 
358-9, 361, 365 
white, 217, 329, 332, 339, 341, 343-50, 352-3, 
358-9, 361, 365 
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