14 



80. Beale 103. Am. Grasses I, 41, Fig. 35. Much more abund- 

 ant than the preceding, but as yet Cameron on the beach is the 

 only station in Louisiana. None of the older botanists in 

 Louisiana refer to it. 



SYNTHERISMA WALT. FL. CAR. 76. 1788 



Syntherisma filiforme (L.) Nash. (Panicum filiforme 

 L.) (Digitaria filliformis Muhl.) — Britton & Brown, 

 Illus. Flora 1, 11, Fig. 242. Small Flora 51. Beale 1009. Found 

 occasionally in sandy soil over the whole State. 



Syntherisma humifusum (Pers.) Rydh. (S. Lineare 

 (Krock) (Nash.) (Panicum lineare Krock.) — Britton & 

 Brown, Illus. Flora I, 111, Fig. 241. Small Flora 82. Beale 

 110. Am. Grasses I, 37, Fig. 43. Common in cultivated ground 

 everywhere. 



Syntherisma humifusum Mississippiense. — This variety 

 is not uncommon, in the same situations as the above type. 



Syntherisma sanguinale (L.) Nash. (Panicum san- 

 guinale L.)— Britton & Brown, Illus. Flora I, 111, Fig. 240. 

 Small Flora 83. Beale 110. Am. Grasses II, 43, Fig. 339. A 

 common weed everywhere. 



Syntherisma serotinum Walt. (Digitaria serotina 

 Michx.) —Small Flora 82. Beale 111. Am. Grasses I, 44, Fig. 

 38. By the sides of roads and in fields all over the State. 



ECHINOCHLOA BEAUV. 



Echinochloa colona (L.) Link. (Panicum colonum 

 L.)— Small Flora 84. Beale 118. Am. Grasses I, 69, Fig. 63. 

 A very common weed throughout the State, usually in ditches. 



Echinochloa Crus-galli (L.) Beauv. (Panicum Crus- 

 galli L.)— Britton & Brown, Illus. Flora I, 113, Fig. 243. 

 Small Flora 84. Beale 119. Am. Grasses I, 70. Fig. 64. Com- 

 mon over the whole State in cultivated ground. 



. Echinochloa longearista Nash. — Small Flora 84. Plant 

 not known to writer. Inserted here on authority of Prof. SmalL 

 "In wet ground, South Carolina to Louisiana." 



