242 * GRAMINEAE. Vol. I. 



10. Eragrostis curtipedicellata Buckley. Short-stalked Love-grass. Fig. 581. 



Eragrostis curtipedicellata Buckley, Proc. Acad. Phila. 

 1862 : 97. 1862. 



Culms 6'-3° tall, erect, rigid, simple, smooth and 

 glabrous. Sheaths overlapping, smooth, pilose at the 

 summit ; ligule a ring of short hairs ; blades 2'-%' long, 

 1 "-2" wide, smooth beneath, scabrous above; panicle 

 4'-i2' in length, the branches widely spreading, i¥-$' 

 long; spikelets 5-12-flowered, 1V-3" long, on pedicels 

 of less than their own length; scales acute, the empty 

 ones somewhat unequal, the flowering ones about i" 

 long, scabrous on the midnerve, their lateral nerves 

 prominent. 



Prairies, Kansas to Texas. Aug.-Sept. 



11. Eragrostis trichodes (Nutt.) Nash. Hair- like Love-grass. Fig. 582. 



Poa trichodes Nutt. Trans. Am. Phil. Soc. (II.) 5 : 146. 



1833-37. 

 Eragrostis tenuis A. Gray, Man. Ed. 2, 564, in part. 1856. 

 E. trichodes Nash, Bull. Torr. Club 22: 465. 1895. 



Culms 2°-4° tall, erect, simple, smooth and glabrous. 

 Sheaths overlapping, smooth, pilose at the throat; 

 ligule a ring of very short hairs; blades 6'-28' long, 

 1 "-2" wide, smooth beneath, slightly scabrous above, 

 attenuate into a long slender tip; panicle Q/-26' in 

 length, narrow and elongated, the branches erect or 

 ascending, capillary, subdividing, somewhat flexuous, 

 3'-j' long ; lower axils sometimes bearded ; spikelets 

 usually pale, 3-10-flowered, 2i"-4$" long; lower scales 

 very acute, about equal; flowering scales acute, the 

 lower ones ii"-il" long, their lateral nerves manifest. 



In dry sandy soil, Illinois to Nebraska, south to Texas. 

 Blow-out-grass. Aug.-Sept. 



12. Eragrostis secundiflora Presl. Clustered Love-grass. Fig. 583. 



Poa interrupta Nutt. Trans. Am. Phil. Soc. (II.) 5 : 146. 

 1833-37. Not Lam. 1791. 



Eragrostis secundiflora Presl, Rel. Haenk. 1: 276. 1830. 



Eragrostis oxylepis Torr. Marcy's Report, 269. 1854. 



Smooth and glabrous, culms 6'-3° tall, erect, simple. 

 Sheaths shorter than the internodes; ligule a ring of 

 hairs; blades 2'-i2' long, i"-2" wide; panicle ii'-6' 

 in length, the branches i'-ii' long, erect or ascend- 

 ing; spikelets crowded or clustered, sessile or nearly so, 

 strongly flattened, 8-40-flowered, 3"-io" long, i"-2i" 

 wide ; lower scales acute, about equal ; flowering scales 

 ii"-i£" long, acute, usually purple-bordered, the lateral 

 nerves prominent. 



In dry soil, Kansas and Colorado, south to Texas and 

 Florida. Aug.-Sept. 



