596 GRAMINE.E. (GRASS FAMILY.). 



* Perennial. 



1. S. avenaceum, (Michx.) Chapm. Culms 3 -5 high, smooth, like 

 the linear leaves; panicle erect, oblong, 6' -12' long; glumes pale or yellow- 

 ish, the lowest thinly bearded, half the length of the awn. Dry sterile soil. 

 Sept. 



2. S. nutans, Gray. Culms slender, mostly bending, 2 -4 high; leaves 

 narrow-linear ; panicle 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. Sept. 



3. S. secundum, (Ell.) Chapm. Culms strictly erect, 3 -5 high; 

 leaves narrow-linear, convolute; panicle erect, simple, 6' -12' long, the few- 

 flowered brandies 1' long, 1-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. PHALARIS, L. CANARY GRASS. 



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

 3-flowered, awnless. Glumes 5, the two lower nearly equal, 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 lanceolate-linear, 3' -5' long, the uppermost 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-SCENTED GRASS. 



Spikelets 1-flowered, crowded in a spiked panicle ; glumes 5, the lower thin 

 and unequal, the third and fourth empty and awued on the back, the floret 

 small and thin. Stamens 2. Grain enclosed. 



1. A. odoratum, L. Culms lhigh; leaves linear, hairy ; panicle 1'- 

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

 l.i traduced. April -May. 



28. HIEROCHLOE, Gmelin. HOLT 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 



