242 GRAMINEAE. VOL. I. 



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



Eragrostis curtipedicellata Buckley, Proc. Acad. 

 1862 : 97. 1862. 



Phila. 



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'-8' long, 

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

 4/-I2' in length, the branches widely spreading, i4'~4i' 

 long; spikelets 5-i2-flowered, ii"-3" long, on pedicels 

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

 ones somewhat unequal, the flowering ones about 5" 

 long, scabrous on the midnerve, their lateral nerves 

 prominent. 



Prairies, Kansas to Texas. Aug.-Sept. 



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



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



1833-37- 



Eragrostis tennis 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, 

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

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

 length, narrow and elongated, the branches erect or 

 ascending, capillary, subdividing, somewhat flexuous, 

 3 '-7' long; lower axils sometimes bearded; spikelets 

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

 very acute, about equal ; flowering scales acute, the 

 lower ones ii"-ii" 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. 

 J 833-37. Not Lam. 1791. 



Eragrostis secundiflora Presl, Rel. Haenk. I : 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 r 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, 8-4O-flowered, 3"-io" long, i"-2i" 

 wide ; lower scales acute, about equal ; flowering scales 

 i-j"-i3" long, acute, usually purple-bordered, the lateral 

 nerves prominent. 



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

 Florida. Aug.-Sept. 



