110 Festuceae Diarrhena 



state and in hard, white clay soil in certain areas in the southern part of 

 the state. It may be absent from a few counties of the Tipton Till Plain. 

 Maine to Minn., southw. to Fla., Ariz., and n. Mex. 



3. Eragrostis cilianensis (All.) Link. (Eragrostis megastachya 

 (Koeler) Link of Gray, Man., ed. 7 and Eragrostis major Host of Britton 

 and Brown, Illus. Flora, ed. 2.) Stinkgrass. Map 160. Infrequent to 

 frequent throughout the state. It prefers sandy soil and is frequently a 

 common grass in such soil about dwellings and in gardens and other culti- 

 vated grounds. It is generally found in cultivated grounds, in waste places, 

 and along roadsides. 



Nat. of Eu.; Maine to Wash., southw. throughout the U. S. ; through 

 Mex. and W. I. to Argentina. 



4. Eragrostis capillaris (L.) Nees. Lacegrass. Map 161. This is an 

 infrequent grass of southern Indiana which is found in poor soil, mostly 

 on the open crests and slopes of black oak and black oak-white oak ridges. 



Maine to Wis., southw. to Ga. and e. Tex. 



5. Eragrostis Frankii C. A. Meyer. FRANK'S LOVEGRASS. Map 162. 

 Infrequent to rare in all parts of the state. It prefers sandy soil and is 

 most often found on sandy bars of streams, along roadsides, and in pastures 

 and barnlots. 



N. H. to Minn., southw. to Fla. and Kans. 



6. Eragrostis pectinacea (Michx.) Nees. {Eragrostis Purshii Schrad. 

 and Eragrostis caroliniana (Spreng.) Scribn.) Map 163. This is our most 

 common species of the genus and is frequent throughout the state. It pre- 

 fers the open in sandy or muddy soils, and is found mostly along roadsides 

 and railroads and in waste places and fallow fields. It is less frequent on 

 sandy bars and muddy borders of streams and ditches. 



Maine to N. Dak., southw. to Fla. and e. Tex. 



15-356. DIARRHENA Beauv. 



1. Diarrhena americana Beauv. (Diarrhena diandra (Michx.) Wood 

 and Kory carpus arundinaceus Zea.) Map 164. This is a woodland grass 

 usually found with oak, beech, and sugar maple. It is local to infrequent 

 and is often found on rocky wooded slopes as where it occurs in Clifty 

 Falls State Park. 



W. Va. to Mich, and S. Dak., southw. to Tenn., Ark., Okla., and e. Tex. 



20-365. UNIOLA L. 



1. Uniola latifolia Michx. Broadleaf Uniola. Map 165. This is an open 

 woodland species and is found mostly in our southern counties although 

 Miss Madge McKee found it along the Iroquois River in Newton County. 

 It is found in greatest abundance in slightly acid, hard clay soils of the 

 bottomlands. It occurs, however, in upland woods and even on the rocky 

 cliffs along the Ohio River. 



Pa., N. J. to 111. and Kans., southw. to Fla. and Tex. 



