TBIANDRIA MONOGYNlAv 



d8 



CENCHRUS. Gen. pl. 1574 



Tnvohicriim laciniatum 



5 



hivoliicrum laciniate, 



cchinatiiiij, 3 — 4 florum. I eclnnate, 3-— 4 flowered, 

 Culifx 2-valvis, 3-floriis. I Cabjx S valved, 3 flow. 



Corolla S-valvis, mutica. 



Stylus bifidus. 



i. ECHI^ATUS. . 



C. spica oblonga, con- 

 glomerata 



ered. 



Corolla 3 valved, 



unawned. Style a cleft 



5 



involiicro 



ed 



Spike oblong, cluster- 

 ; involucriim nearlr 



subgloboso, iO-parlilo. 

 Persoon, l.p. 71. 



Sp. pi. 1- p. 317. 



Grows In Georgia. Muhl. Cat. 



globose, 10 parted. 



\ 



F 



The many opportunities Dr, Muhlenberg enjoyed of examining- 

 cf»llections of plants from every part of the United States, his great 

 sagacity and profound knowledge, render his authority so great, that 



species 

 to be 



1 shall never hesitate to register among our own plants any s 

 which has the sanction of his name. Tl-.ere appears, however, 



appears 



some confusion between this and the next species, which I hare nofe 

 the means of removing. Willdenow, under the C.tribuloides, quotes 

 the Flora Virginica, but under the C. echinatus, he has placed every 

 synonyme which Gronovius has applied to the former spcoies; 



S. Tribtjloides. 



C. spica glomerata ; in- | Spike clustered ; iiivo 

 volucris globosis, villosis, I |iicrum globose, villous 



inuricato-spinosis. 

 pi. 1, p. 317. 



9 



Sp. 



armed with spines. 



Mich. 1. p. 61.— Pursli 1. p. 60, 

 Clayt. p. 160. No. 206. 



-Roof annual. 6V^7n erect, 1 foot high, compressed, glabrous, some* 

 times biaaching, heaves about 6 inches lonij, acute, channelled, with 



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