1 16. Gramineae 343 



7. Leninia 4-5 inni long; fields and roadsides, ehielly in llie s. 



and w. parts of the state. [A. gracilis Ell.| 



A. longespica Poir. 



7. Lemma 2-3 cm long; fields and roadsides in the s. half of 



the state. Aug.-Sept A. ramosissima Engelm. 



3. Central awn subequal in length with the lateral ones. 

 8. Glumes 5-14 mm long; awn not over 2.5 cm long. 



9. Perennial: first glume 8-14 nun long, exceeding the second; 



sandy soil, local. Aug.-Sept A. purpurascens Poir. 



9. Annual; first glume 5-9 mm long, shorter than the second; 

 sandy soil; Henry, Lake, and Lee counties. Aug.-Sept. 



A. intermedia Scribn. & Ball 



8. Glumes 2-3 cm long; awns 3-7 cm long; fields, open woods, 

 and roadsides. Aug. -Oct A. olioantha Michx. 



'&• 



Tribe 6. Ghlorideae. — Grama Tribe 

 50. Buchloe Engelm. — Buffalo Grass 



B. dactyioides (Nutt.l Engelm. Apparently a relic on soil never in 

 cultivation, Peoria, V. H. Chase in 1956. 



5 1 . Eleusine Gaertn. — Goose Grass 



E. indica (L.) Gaertn. Waste places, roadsides, and cultivated 

 ground; nat. from Eurasia. July-Oct. 



52. Dactyloctenium Willd. — Crowfoot Grass 



D. aegypticurn (L.) Beauv. Waste ground and fields, rare in 111.; 

 nat. from Old ^Vorld tropics. St. Clair Co., without locality, Aug. 1876, 

 H. Eggert. 



53. Cynodon Rich. — Bermuda Grass 



C. dactylon (L.) Pers. Fields, roadsides, and waste places; nat. 

 from Eur. Jime-Aug. 



54. Leptochloa Beauv. — Sprangletop Grass 



1. Sheaths pubescent; spikelets 1.5-2 mm long; sandy soil, s. 111. 



Aug.-Sept. [L. attenuata (Nutt.) Steud.] 



L. filijormis (Lam. ) Beauv. 



1. Sheaths glabrous; spikelets 6-10 nmi long; wet meadows and along 

 ditches, ol scattered distribution; also one collection as a rail- 

 road weed in Cook Co. [Diplachne fascicularis (Lam.) Beauv.] 

 L. fascicularis (Lam.) A.Gray 



55. Schedonnardus Steud. 



S. paniculalus (Nutt.) Trel. Hancock Co., Mead in 1845; prob- 

 ably now extinct in 111. "It was found on the original prairie, especially 

 around salt licks." — Mosher. 



