33 



Leptochloa mucronata (Michx) Ki nth. BrittoD & 

 Brown, Illus. Flora 1. L82, Fig. 417. Small Flora L39. Beale 



432, Fig. 79. Am. Grasses 1. 220, Fig. 214. A common weed 

 in cultivated ground throughout the State. 



Leptochloa mucronata pulciiella Scribn. Beale 433. 

 This variety is extremely abundant inside the levees of the 

 Mississippi on the battures. If the river is low enough it can 

 always be found. According to Beale it is found also in Texas, 

 Arizona and Southern California. 



Leptochloa Nealleyi Vasey.— Small Flora 139. Beale 



433. Am. Grasses I, 222, Fig. 216. This is another Western 

 species fairly common in Cameron Parish, neav the sea. Ac- 

 cording to Small, found "in low land Central and Southern 

 Texas." 



PHRAGMITES TRIN. FUND. AGROST. 134. 1820 



Phragmites phragmites (L.) Karst. (P. communis Trin.) 

 — Britton & Brown, Illus. Flora I, 184, Fig. 420. Small Flora. 



141. Beale 459, Fig. 92. Am. Grasses I, 235, Fig. 229. On 

 borders of bayous and edges of swamps, especially in the more 

 southern portion of the State. 



TRIDENS R. & S. 



Tridens ambiguus (Ell.) Schutt. (Triodia ambigua 

 (Ell.) Vasey), (Tricuspis ambigua {Ell.) Gliapm.), (Poa am- 

 bigua Ell.), (Sieglingia ambigua (Ell.) Kuntze).— Small Flora 



142. Beale 465. Am. Grasses I, 239, Fig. 232. Common in 

 the pine barrens in the vicinity of Covington and Mandeville. 



Tridens sesleroides (Michx) Nash. (Triodia cuprea 

 J acq.), (Sieglingia sesleroides Scribn.) — Britton & Brown, 

 Illus. Flora I, 184, Fig. 421. Small Flora 142. Beale 467, 

 Fig. 93. Common in fields and gardens over the entire State. 



Tridens strictus , (Nutt) . Nash. (Sieglingia stricta 



Suit) Kuntze), (Tricuspis stricta Thurb.)— Britton & Brown. 



Illus. Flora I, 185, Fig. 422. Small Flora 14:?. Am. Grasses 



11. 211. Fig. 507. A common species on the prairies of Cal- 



i asieu and in Cameron, near the sea beach. 



Tridkns Texanus (Thurb) Nash. (Triodia Texana 

 Thurb.), (Sieglingia Texana (Thurb.) Kuntze). — Small Flora 

 142. Beal 466. Am. Grasses I. 237, Fig. 231. In the pine 

 barrens near Covington and in the vicinity of Lake Charles. 



