510 
Esox—continued 
Pike; Pike, great northern and north- 
ern 
vermiculatus, 328; sce also Pickerel, grass, 
little, and mud; Pike, grass 
Eupatorium altissimum, 387, 392, 423, 439 
Euphorbia 
corollata, 378-9, 
442 
cyparissias, 432 
dentata, 432 
glyptosperma, 432 
maculata, 432 
obtusata, 432 
supina, 432 
Euphorbiaceae, 420, 432 
Eupsalis minuta (associated with oak wilt), 
305-6 
Everlasting, sweet, 440; see also Gnaphalium 
obtusifolium 
383, 387-9, 392, 420, 432, 
F 
Fagaceae, 428 
False-indigo, prairie, 430 
Farkleberry, 434; see also Vaccinium arboreum 
Fescue, six-weeks, 425; see also Festuca octo- 
flora 
Festuca octoflora, 393, 417, 425 
Fiddler, 328 
Figwort, 437 
Flax, 431; see also Linum sulcatum 
Fleabane, 439; see also Erigeron 
daisy, 439; see also Erigeron annuus 
spreading, 439; see also Erigeron divaricatus 
Flier, 329, 341 
Float [or jug], 330, 354, 356, 361-2, 365 
trammel net, 358, 362-3, 365 
Fly (associated with oak wilt), 279 
Fly, pomace, 306 
Forget-me-not, 435; see also Myosotis verna 
Foxglove 
false, 437 
mullein, 437 
Foxtail 
green, 425; see also Sctaria viridis 
yellow, 425 
Fragaria virginiana, 419, 429 
Fraxinus 
americana, 435 
nigra, 435 
Frostweed, 433; see also Helianthemum bick- 
nellit 
Fumariaceae, 419, 429 
Fungus (associated with oak wilt), 278, 285, 
291, 296, 304, 309-10, 317-20 
Fusarium, 447-500 
cabbage, 464 
celery, 464 
gladiolus, 447-500 
muskmelon, 464, 497 
tomato, 464, 473, 479 
Fusarium disease of gladiolus, 447-500 
Fusarium 
euoxysporum, 461 
filiferum, 461 
fructigenum, 469, 496 
I~LLINois NATURAL History SURVEY BULLETIN 
Volume 26 | 
lini, 470 
martiit phaseoli, 470 
moniliforme, 461 
niveum, 499 
orthoceras, 459-61 
var. gladioli, 452, 470 
var. longius, 461 
var. triseptatum, 460 
oxysporum, 453, 459-61 
f. gladioli, 452-3 
in Tochinai liquid, 473-8 
influence of temperature on, 455-8 
morphology of, 479-81 
on Coons’s agar, 455-67 
on steamed rice, 455, 468-9 
on Wellman’s agar, 470-3, 479-81 
pathogenicity of, 481-6 
reaction to brilliant green, 458, 460-3 
reaction to copper chloride, 466-7 
reaction to copper sulfate, 464-7 
reaction to crystal violet, 458-61 
reaction to malachite green, 458-9 
reaction to mercuric chloride, 455, 467-9 
variations in culture types, 469-73 
f. tracheiphilum, 471 
var. gladioli, 452-3 
vasinfectum, 470, 496 
Fusarium yellows, 451 
cabbage, 464 
celery, 464, 469 
muskmelon, 464, 497 
tomato, 464, 473, 479 
G 
Galactia volubilis, 419, 430 
Galium 
aparine, 438 
circaezans, 438 
pilosum, 438 
virgatum, 409 
Gar, 332, 355, 360, 363 
alligator, 328, 341 ; 
billy, 328 
duckbill, 328 ik 
longnose, 328, 332, 341, 358-9, 363 \ 
Mississippi alligator, 328 
northern longnose, 329 ‘i 
shortnose, 328-9, 332, 341, 343-4, 358-9, 363, 
365 | 
spotted, 329 ¢ 
Garlic q 
false, 427; sce also Nothoscordum bivalve ti 
field, 427 - 
wild, 426 d 
Garpike, 328 
Gaspergou, 329 
Gaura, biennial, 433; see also Gaura biennis 
Gaura biennis, 421, 433 
Gay-feather, 440; see also Liatris aspera 
Gentian 
rose, 435; see also Sabatia angularis 
stiff, 435 
Gentiana quinquefolia, 435 
Gentianaceae, 421, 435 
Geraniaceae, 420, 431 
Geranium carolinianum, 405, 420, 431 
: 
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