﻿Nash : Revision of Triplasis 565 



Dry 



Florida. Collected by the 



writer at Ballast Point, near Tampa, in the vicinity of the Pavillion, 

 on August 20, 1895, no. 2426. It grew in great abundance about 

 one hundred feet from the shore, forming large dense tufts. 



3. Triplasis Americana Beauv. Agrost. 81,//. 16. f. 10. 18 12. 



Uralepis purpurea Nutt Gen. 1:62. 18 18. 

 Uralepis cornuti Ell. Bot. S. C & Ga. 1 : 580. 1821. 



Culms 3—8 dm. tall, slender, smooth, puberulent, the lower 

 internodes also hirsute with nearly appressed hairs, simple ; nodes 

 numerous, sparingly, if at all, barbed : leaves numerous ; sheaths 

 much shorter than the internodes, smooth, the lower ones hirsute, 

 often sparingly so, with nearly appressed hairs ; ligule a scarious 

 ciliolate ring less than .5 mm. broad; blades flat, usually involute 

 when dry, erect or ascending, 15 cm. or less long, less than 2 mm. 

 wide, the uppermost leaf reduced to a point, rough on the mar- 

 gins, smooth on both surfaces, glabrous beneath or with a few long 

 -scattered hairs, the upper surface minutely pubescent, sometimes 

 also with scattered long hairs : panicle at length exserted, the 

 axis smooth and glabrous, the branches ascending, single or in 

 pairs, glabrous, somewhat scabrous, simple or sparingly di- 

 vided, 3 cm. or less long : spikelets on short hispidulous pedicels, 

 usually purple, the callus subulate, about two thirds as long as the 

 rachilla internodes : scales 4 or 5 ; outer empty 2 acuminate, the 

 first three quarters or more as long as the second which is 3-4 mm. 

 long ; flowering scales divided to the middle, the lobes subulate, 

 acuminate, pointed, the awn much exceeding the scale, usually re- 

 flexed, at least when dry, pilose for about two thirds its length, 

 6-8 mm. long, the lowest scale about 5 mm. long, about 1 mm. 

 broad : palet a little more than one half as long as the scale : grain 

 about 2 mm. long. 



Dry sandy soil along the coast, North Carolina to Florida, west 



to Texas. 





