596 GRAMINE.E. (gUASS FAMILY.). 



• Pvrcnuidl. 



1. S. avenaceum, (Michx.) Chaiun. Culms 3°-. 5° hijijh, smooth, like 

 the linear lca\cs; iianiclc croct, oliioin^, ti'- 12' long; glumes pale or yellow- 

 ish, the lowest tliinlv l)eanle(l, half the lengtli of the awn. — Dry sterile soil. 

 Sept. 



2. S. nutans, (Jiav. Culmsslender, mostly bending, 2"^- 4° high; leaves 

 narrow-linear; paniele long and narrow, loosely branched, drooping ; glumes 

 dark brown, the lowest densely, the second thinly bearded, one fourth the length 

 of the awn. — Dry open woods. Sei)t. 



.'5. S. secundum, (Kll.) Chapm. Culms strictly erect, 3°-5° high; 

 leaves narrow-linear, convolute; panicle erett, sinij)le, 6'- 12' long, the few- 

 tlowered branches 1' long, I -sided ; spikelets drooping, brown; glumes densely 

 bearded, \ the length of the awn. — Dry sandy pine barrens, Georgia and 

 Florida. Oct. 



* * Annual. 



4. S. pauciflorum, Chapm. Culms branched near the base, 2° -3° 

 high; leaves broadly linear; spikelets 6-12, racemose, the long (2' -3') seta- 

 ceous pedicels in whorls of . 2 - 6 ; lower glumes dark brown, beardless, like 

 the sterile pedicel; awns 5' -6' long, twisted below the middle. — Sandy pine 

 barrens, East Florida. Sept. 



26. PHALAEIS, L. Canary Grass. 



Spikelets crowded in a simple or branching cylindrical or olilong panicle, 

 3-flowered, awnless. Glumes 5, the two lower nearly e(iual, keeled, the third 

 and fourth reduced to hairy scales at the base of the floret, the fifth and flow- 

 ering glume coriaceous, and including the palet. Stamens 3. Grain free. 



1. P. intermedia, Bosc. Annual, glaucous; culms ascending, ^°- 2° 

 high; leaves lanie<)lat(^linear, 3'- 5' long, the uppermo.st sheath inflated; 

 panicle oblong, simple, 1' long, pale or purplish; lower glumes flat, winged, 

 twice as long as the floret. (P. microstachya, DC.) — Low ground along the 

 coast. April - May. 



2. P. arundinaria, L. Perennial; culm simple, 2° -4° high; leaves 

 long, 2' -.5' wide ; panicle 4' -8' long, branching ; glumes wingless, thrice the 

 length of the floret. — Low banks of streams, Tennessee, and northward. 



27. ANTHOXANTHUM, L. Sweet-scexted Grass. 



Spikelets I-flowered, crowded in a spiked panicle; glumes 5, the lower thin 

 and une([ual, the third and fourth empty and awned on the back, the floret 

 small and tliin. Stamens 2. Grain enclosed. 



1. A. odoratum, L. Culms l°high; leaves linear, hairy; panicle 1'- 

 3' long. — Low grounds around the larger cities, Savannah, Charleston, etc. 

 Introduced. April - May. 



28. HIEROCHLOE, Gmelin. Holy Grass. 



Perennial odorous grasses, with short flat leaves, and 3-flowered spikelets in 

 a short simple panicle. Glumes 5, the two lower large and empty, the third 



