400 
Gramine®. 
612. Heteropogon* Heteropogon. Ill, 13. 
1. Spikelets in a simple, dense spike. Awns 6 cm long, 
twisted like a cord above. Andropogon Allionii| Dec. 
—Rocks; T. 8 .... Allionii R. Sch. 2376. 
613. Tragus. Tragus. Ill, 26. 
1. Spikelets in a linear panicle, contracted in the form 
of a raceme, with small hooked prickles. Ls thickly 
ciliate. —Sandy places. W. 6 . racemosus Desf. 2377. 
614. Oplismenus. Oplismenus. Ill, 12. 
1. Stem and 1.-sheaths with long hairs. Ls broad (8— 12 mm), 
wavy. Panicum undulatifolium Ard.—Shady places in 
Tess. 7. undulatifolius Beauv, 2378. 
615. Digitaria. Digitaria. Ill, 23. 
1. Ls and sheaths almost always g’labr. Spikelets elliptic. 
Panicum glabrum Gaud.—Cultivated places, road-sides; 
scattered, rather rare and variable. 7 
filiformis Koel. 2379. 
— Ls and sheaths more or less covered with long hairs. 
Spikelets oblong-lanceolate, narrower than in the last. 
Type of D. sanguinalis ...... 2 
2. Lower empty glumella ciliate with stiff hairs on the 
lateral nerves.—As the last; Tess., Thun, Solothurn, 
Schaffli. &c. 7 .... ciiiaris Koel. 2380. 
— Lower empty glumella not ciliate.—As the last; distrib. 7 
sanguinalis Scop. 2381. 
616. Echinochloa. Echinochloa, III, 45. 
1. Spikelets shortly peduncled, arranged in false, unilateral 
spikes, paniculate in general outline; glumes awned or 
not. Panicum Crus galli L., P. Crus corvi Heg. (smaller 
form).—Road-sides, manure-heaps; everywhere. 7 
Crus galli Beauv. 2382. 
617. Panicum. Panicum. Ill, 46. 
1. Branches of the panicle rather thick. Stem 40—100 cm. 
—Cultivated and sometimes subspontaneous. 7 
t miliaceum L. 2383. 
— Branches of the panicle capillary. Stem 20—50 cm.— 
Cultivated for ornament and sometimes subspontaneous. 8 
t capillare L. 2384. 
618. Setaria. Setaria. Ill, 27. 
1. Bristles (and the upper part of the stem rough with 
small prickles directed downwards, so that the pi. 
