^4 TRIANDBIA. DIGYNIA. 



yalve awned. J\'*ectartj linear, 2-parted. &lig' 

 mata nearly sessile. 



Flowers polygamous, one masculine, the other herma- 

 phrodite, paniculate. 



Species. 1. B.lanatns. 2. striates? 3. fragrans, (trailed 

 Swtet-j;Tass, and Sentka-Rrass, nt-ai l\ alhed to the Holcus 

 edoruim; certainly not a copg-enei- with the h. laiiatus Siud 

 M. mol-is, but appai'ently a JMelica.) 



Gi-ass>(-s of Europe, with the exception of the H. fra- 

 grans. The Ji. lunatus is now naturalized in the Liniltd 

 States. 



94. SORGHUM. L. (Broom-grass.) 



Flowers polyj^amous, by pairs, the herma- 

 phrodite fl'*\ve»* SI ssile, the nifjsenline or neuter 

 pedicelhite. — flLRMAPHitoDiTE. Calix 2-valv- 

 ed. Coroila 3-valved: the 2d valve awned, the 

 Sd coniiertinG^ with the villous nectar}. Corolla 

 of the male flower awnless. Seed lare;e. 



Culm tall, flowers diffusely paniculate, leaves expand- 

 ing. Seed sufficiently lari^e to be culuvated for food 

 soniew hat resenihling millet. 



Species. 1. fI.bicoh'\ (By Peisoon considered a varie- 

 ty of the S. vidgare; cultivated aiound Lancaster, accord- 

 ing to Dr. W. Harton, who !)asbeen induced to recommend 

 it to public economv, as a substitute for chocolate or cof- 

 fee, when parched ) 2. saccharutum. (Extensively culti- 

 vated in the United States, though no where natvualized. 

 Its large panicles are used for brooms; the seed is given 

 to poultry, and migiit probably answer the same purposes 

 as that of the .S'. bicoiur. The whole plant is h ghly sac- 

 charine, and attenipts have been made in hrance and 

 elsewhere to extract sugar from it; but without sufRcient 

 success.) 



Of this geiHis there are only 4 species described by 

 Persoon; 2, if not 3, in India, arid 1 in Syria; — the .S". bico' 

 lor is a native of Persia. 



95. SESLERIA. L. (Moor-grass.) 



C«/ia:2to 5-llowered. Coro^/a 2-valved, valves 

 toothed at the point. Stigmata somewhat glan- 

 duloiis. — Flowers spiked, often ptnplish, base 

 of the spike bracteate, or involucratc. 



