GRASSES. 335 



Erianthus brevibarbis Michx. PI. Bor. Ain. 1 : 55. 1803. 



SHORT-BEARDED PLUME GRASS. 



Erianthus alopecuroides var. breribarbis Chap. Fl. 583. 1860. 



E. saccharoides subspec. brevibarbis Hackel in DC. Monogr. 6:131. 1889. 



Ell. Sk. 1:39. Gray, Man. ed. 6, 637. Coulter, Contr. Nat. Herb. 2 : 493. Scrib- 

 ner, Grass. Tenn. 18, t. 1, f. S. 



Carolinian and Louisianian areas. Virginia and Tennessee, south to Florida and 

 southeastern Texas. 



ALABAMA : Coast plain. Low sandy borders of pine-barren streams. Mobile 

 County. Baldwin County, Josephine. Not rare. September to October. 



Type locality: "Hab. in collibus Tennassee et Carolinae." 



Herb. Geol. Surv. Herb. Mohr. 



Erianthus strictus Bald. ; Ell. Sk. 1:39. 1816. CLOSE-PAN ICLED ERIANTHUS. 



Chap. Fl. 583. Coulter, Contr. Nat. Herb. 2:494. Scribner, Grass. Tenn. 18, 



*.!/.& 



Carolinian and Louisianian areas. Georgia, southeastern Tennessee, and from 

 Florida to Texas. 



ALABAMA : Lower Pine belt. Margins of swamps. Mobile County, Pierce's Land- 

 ing, Mount Vernon. Baldwin County, Stockton. September to October. Not 

 infrequent. 



Type locality : " Grows near Savannah." 



Herb. Geol. Surv. Herb. Mohr. 



Erianthus smallii Nash, Bull. N>. Y. Bot. Gard. 1 : 429. 1900. 



Tall, densely tufted perennial, 4 to 7 feet high; nodes pubescent with long 

 appressed hairs, summit of the culm and floral axis copiously appressed-pubescent; 

 sheaths nearly glabrous; ligule scarious, ciliolate at the apex; leaves 4 to 7 inches 

 long, i to f inch wide, rough ; panicle 8 inches and over long and 1 to 2 inches wide, 

 its branches erect; spikelets crowded, about equaling the basal hairs; outer scales 

 pilose with long hairs; fourth scale two-toothed at the apex, teeth long-subulate, 

 the awn | to a little over an inch long, the included portion long and tightly spiral, 

 the remainder loosely spiral. 



Carolinian and Louisianian areas. Tennessee, Georgia, Florida, and Mississippi. 



ALABAMA: Central Prairie region. Low grounds. Montgomery (G. McCarthy, 

 August, 1888). 



Related to E. conlortm Ell., but clearly distinct. In E. contortus the summit of the 

 culm and axis of the panicle are glabrous and the spikelets are considerably smaller. 



Type locality : " Type collected by Dr. J. K. Small * * * on Stone Mountain, 

 Dekalb County, Ga./Sept. 6 to 12, 1894." 



MANISURIS L. Mant, 2 : 164. 1771. 

 (ROTTBOELLIA L. f. Diss. Nov. Gram. 23. 1779.) 



About 33 species, warmer temperate and tropical regions in both hemipheres. 

 Atlantic North America, 3 species. Perennials. 



Manisuris rugosa chapman! (Hackel) Scribner, Mem. Torr. Club, 5 : 28. 1894. 



WRINKLED MANISURIS. 



Eottloellia rugosa Chap. Fl. 575. 1860. Not Nutt. 



E. rugosa chapmani Hackel, in DC. Monogr. Phan. 6:308. 1889. 



Chap. Fl. 575. 



Louisianian area. North Carolina to Florida and Alabama. 



ALABAMA: Lower Pine region. Coast plain. Borders of sandy, pine-barren 

 swamps. Mobile County, Kelly's pond. Baldwin County, Pierce's Landing. Sep- 

 tember to October. 



Type locality: "Pine-barren swamps and ponds, Florida to North Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Manisuris corrugata (Bald.) Mohr. Bull. Torr. Club, 24:21. 1897. 



CORRUGATED MANISURIS. 



Eottboellia corrugata Bald. Am. Jonrn. Sci. 1:355. 1819. 



Chap. Fl. 579. Coulter, Contr. Nat. Herb. 2 : 492. 



Louisianian area. Georgia and Florida to*Texas. 



ALABAMA: Coast plain. Low damp pine barrens. Mobile County, Dog River, 

 pine flats. August to September. Frequent. 



Type locality: "Discovered between St. Mary's and Jefferson, in Camden County, 

 Georgia, on the 13th of July, 1813." 



Herb. Geol. Surv. Herb. Mohr. 



