1918} 



The Grasses of Illinois 



421 



Columbiana, 312 

 Commutata, 318 

 Cynodon dactylon, 370 



Dactylis, 387 



glomerata, 265, 388 

 Dactyloctenium, 374 



aegypticum, 374 

 Danthonia, 368 



spicata, 368 

 Depauperata, 300 

 Deschampsia, 366 



caespitosa, 366 

 Diarina, 386 



americana, 386 



diandra, 386 



festucoides, 386 

 Dichanthelium, 299 

 Dichotoma, 303 

 Dichotomiflora, 293 

 Digitaria filiformis, 282 



humifusa, 282 



sanguitialis, 283 

 Dilepyrum minutiflonim, 345 

 Diplachne fascicularis, 376 



Eatonia obtusata, 363 



pennsylvanica, 364 

 Echinochloa, 322 



crus-galli, 322, 323 



frumentacea, 323 



walteri, 323 

 Eleusine, 375 



indica, 374, 375 

 Elymus, 413 



arenarius, 413 



aiistralis, 414 



canadensis, 268, 415, 416 



canadensis glaucifolius, 415 



diversiglumis, 415 



propinquiis, 416 



robustus, 415 



striatus, 416 



striatus arkansanus, 416 



striatus villosus, 416 



strictus var. villosus, 416 



virginicus, 416 



virginicus hirsutiglumis, 417 



virginicus submuticus, 417 

 Eragrostis, 379 



capillaris, 380, 382 



cilianensis, 381, 384 



frankii, 381 



hirsuta, 384 



hypnoides, 267, 379, 382 



major, 381 



megastachya, 381 



minor, 384 



pectinacea, 383 



pilosa, 383 



po<ieoides var. megastachya, 381 



reptans, 382 



spectaMlis, 383 



tenuis, 384 

 trichodcs, 384 

 Erianthus, 275 



alopecuroides, 275 

 eontortus, 276 

 divaricatus, 275 

 saccharoides, 275 



Festuca, 266, 397 

 elatior, 267, 397 

 nutans, 398 

 obtusa, 398, 399 

 octoflora, 398 

 ovina, 399 



ovina duriuscula, 399 

 polystachya, 376 

 shortii, 399, 400 

 tenella, 398 



Glyceria canadensis, 395 



puitans, 396 



nervata, 395 



pallida, 397 



septentrionalis, 396 

 Gymnostichum hystrix, 417 



Ileleoehloa, 347 



schocnoides, 267, 348 

 Hierochloa borealis, 332 

 Hierochloe odorata, 332 

 Holcus, 281 



halapensis, 281 



lanatus, 363 

 Ilomalocenchrus, 268, 328 



lenticularis, 329 



oryzoides, 329 



virginicus, 330 

 Ilordcum, 266, 410 



jubatum, 267, 410 



nodosum, 412 



pammeli, 412 



pratense, 412 



pusillum, 264, 412 



vulgare, 412 

 Hystrix, 417 

 " hystrix, 416, 417 



patula, 417 



Koeleria, 365 

 cristata, 365 



Languinosa, 307 

 Latiflora, 318 

 Laxiflora, 303 

 Lcersia lenticularis, 329 



O'ryzoides, 329 



virginica, 330 

 Lcptoehloa, 375 



fascicularis, 376 



filiformis, 377 



nmcronaia, 377 

 Lci)toloma, 283 



cognatum, 284 

 Lepturus paniculatus, 371 



