416' GRAM I NICE. 



Pericarp free frora the oval seed. — Low annuals, with fiat 

 leaves, and digitate or clustered l-sided spikes. 



E. Indica, Grert. Dog's-tail Grass. Wire-grass. 



Old ms branched at the hase, ascending, flattened; spikes 2 to ft; spikelets about 

 5-flowered. 



Yards and cultivated grounds: introduced. July — Nov. Culm 9 to 18 inches- 

 long. Leave* distichous, linear, somewhat pubescent Spikes usually 2 to 4, 2 

 Inches long, greenish. 



18, TRICUSPID, Beauv. 



Lat. tricuyis, three-pointed; alluding to the lower | 



Spikelets nearly terete, 3 to 12-flowered, the terminal 

 flower abortive. Glumes shorter than the flowers. Lower 

 PALE-E bifiu at the apex, and tricuspidate by the projecting 

 keel and marginal nerves, the base villous. Stamens 3 t 

 Stigmas dark purple, plumose. — Leaves acuminate; sheaths 

 bearded at the throat. Panicle compound, spreading ,- the spikelets 

 purplish, often racemed. 



T. seslerioides, Torr. Tall Real-top. 



Panicle loose, spreading ; branches flesuous, smooth ; tpilelds ovate lanceolate, 

 ito & flowered, nearly terete, shining. 



Sandy fields. Aug. Fer. Culm $ to 5 feet* high, erect, smooth. Leaves long,, 

 fiat, nerved. Panide very large, at length :-preau'.bu r and pendulous, u- . 

 purple. 



19. DACTYLIS, Linn. Orchard Gbass. 



Gr. dahtylos, a §ngex ; in allusion to the form of the spike. 



Spikelets 2 to 7-flowered, crowded in one sided clusters, 

 forming a branching dense panicle. C4lumes unequal ; the 

 larger keeled, mucronate ; the lower 5-nerved, with a fringed 

 keel; upper bifid. Stamens 3. Stigmas plumose. — Pe- 

 rennials, with keeled leaves, and contracted glomerate panicles. 



D. GLOMERATA, L. Rough Orchard Grass. 



Rou^h and rather glaucous; leaves broadly linear; branches of the panicle naked 

 at the base ; spikelets 3 or 4-flowered. 



Fields and meadows : introduced from Europe. June. Culm 2 to 3 feet b 

 *?eet, Panicle glaucous. Good for hay. 



20. KGSLERIA. 



In honor of M. Koder, a German botanist. 



Spikelets compressed, 2 to 7-flowered. Glumes 2, 

 shorter than the flowers; the lower much narrower, keeled. 

 Palea membranaceous, unequal ; the lower acute or obtuse, 

 unawned or. with a short awn below the tip ; the upper 2- 



