MONOCOTYLEDONOUS OR EKDOGENOUS PLANTS. 607 



long panicle, distinct pale spikelets, und flowers more scat- 

 tered on the smooth rachis. Culms iJ'-VZ' long ; spikelets 

 purple. 



E. PuRsnii, Schrad. Cuhns slender, ascending, genicu- 

 late near the base, 6-12' long ; leaves narrowly linear, with 

 the sheaths bearded at the throat; pa7iicle 3'-6' long, the 

 lowest of the widely spreading branches whorled ; spike- 

 lets linear, 5-10-liowered, purple or pale, the lateral ones 

 appressed, and mostly longer than their pedicels ; loive?' 

 palea ovate, 3-nerved. (Poa pectinata, and P. tenella, of 

 authors. June-September. 



DACTYLIS, L. Orchard Grass. 



Perennial grasses, with si?nple culms, heeled leaves, and 

 2-l!flo?verecl spihelets crowded in a 1-sided glomerate j^cLn- 

 tele ; glumes and lower palea herbaceous, keeled, awn- 

 pointed, rough-ciliate on the keel, the latter 5-nerved ; sta- 

 mens 3 ; grain free. 



D. glomerata, L. May and June. Culms 2°-3° high; 

 leaves and sheaths scabrous ; spikelets in close clusters at 

 the end of the short branches, 2-4-flowered ; glumes and 

 flowers lanceolate. • 



FESTUCA, L. Fescue Grass. 



Grasses with flat or setaceous leaves, and panicled 

 3-m any-flowered mostly ^vfWQdiSjnkelets ; rachis jointed as 

 in Glyceria ; glumes unequal, mostly keeled ; palece nearly 

 coriaceous, the lower one naked, rounded on the back, 3-5- 

 nerved, acute or bristle-aw^ned, the upper commonly ad- 

 hering at maturity to the inclosed grain ; stamens 1-3. 



* Flowers awned ; panicle contracted ; annuals. 



F. Myurus, L. Culms erect, very slender, concealed in the 

 sheaths of the bristle-like leaves ; jt?rt?iicZe elongated, linear, 

 1-sided, partly included in the sheath of the uppermost 



