GRAMINK-E. 279 



form, (r/unies 2, jshortor tliaii the llorets The upper palea 



of the fertile floret bifid, toothed. Sect! \oosc. 



1 C Daciylon". 51fem creeping, leretP, ^labnnis. /.«ire.s- eipunding, some- 

 what hairy, 2-4 inches lons». Shmths loti^ir than the joints, iiairy, with cili- 

 ale stipules. Snikes 3-4. iHnint-s nearly equal, keeled. Jiermuda grass. 



^- Trougii the summer. Common. 



Ge.'^us XXIX CHLORIS. 



Flowers polycjatnous. (Huiaes 2, 2-flo\vered, one of tliem 

 perfect and ses:slle, the o;her staininatc. PalccP of the perfect 

 flower 2, awned. SpiKesby fours, digitate. 



1 C PrrR-tA. Stem prostrate, branching, nssurgent, geniculate Leaves 

 glabrous, with the margins and midrib serrulate. CJIumes2, 2-flowcred, ex- 

 terior glume awned, tlie interior smaller, keeled. Pa/ea ot tlie sterile floret 

 •oncave, obtuse 



Ij. June— Aug. On the sea coast. 



Ge.nus XXX MONOCERA. 



Flowers jiolyijonious on one side of the raeliis. Glumes^, 

 manv floworod, awned holow the siimtiiit. PalccE of the per- 

 fect llowcr 2.valved, unequal, the exterior one awned below 

 the suniuiit, those of the sterile flower unawned. 



1 M Aromatica- Stem pubescent, erect. Leaves^ scabrous on the upper 

 surface, glabrous beneath- •SAraZ/i* shorer than the joints, hairy at the throat. 

 S^ike.* terminal, secund ; spikelets in U rows. Glumes 3 flowered, the exte- 

 rior glurno with an awn projecting from the center of the bark, the interior 

 paloa small, pubescent. Tuot/iachc grass. 



4 .May — July. Pine barrens. 



GE.VUS XXXI ELEUSINE. 



Flowers on one si 'e of the rachisr. Glumes 2, unoqiial, 5-7. 

 flowered. P.ilecp 2, obtuse, upper one bifid. Scales fimbri- 

 ate. Spikes digitate. 



1 E -MucRo.NATA. Stem erect, glabrous. Leaves slightly scabrous, with 

 hispid shi'uh-<,lar^'r!riiiari the joints. Pa«jc7clotig, vviili ilie spikes 4-5 inches 

 long. Glumes nearly equal, with colored keels. Pa/cc/e unequal, the exteri- 

 or hnin'. 



O July— Oct. Cultivated lands. 1-3 ft. 



2 E I.VDICA. Sfcffi decumbent, lucid. Ltfflces linear, with the under sur- 

 face glabrous, long. Sheaths pubescent, compre^^ed. Spikes usually 5, digi- 

 tate, one beluvv the rest; spikelets usually 5 flowered. Glumes unequal, 

 with the !;eels scabrou". ]Vire grass. 



% June— Oct. Common. 1-2 ft 



3 E Cruciata. S/e/n decumbent and assurgent, glabrous. Amces nar- 

 row, ciliate. Spikes 2-4 ; spikelets usually 3-flowercd, the terminal one usu- 

 ally sterile, or wanting, extremity of the rachis naked. 



O July— Common 12-13 inches 



CEREALI.E. 



Injlorescenre .««pikcd. Spikelets 1, or many flowered. — 

 Glumes equal. Upper palea 2.keelcd. 



