GEASSES. 335 



Erianthus brevibarbis Miclix. Fl. Bor. Am. 1:55. 1803. 



Short-bearded Plume Grass. 



Erianthus dlopecnroides var. hreriharhis Chap. Fl. 583. 18()0. 



E, saccharoUlen subspec. hreriharhis Hackel in DC. Mouogr. 6:131. 1889. 



Ell. Sk. 1:39. (Tray, Man. ed. G, 037. Coulter, Coutr. Nat. Herb. 2 : 493. Scrib- 

 ner, Grass. Tenn. 18, i. l,f. S. 



Carolinian and Louisiauiau 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 coUibus Tennassee et Caroliuae. " 



Herb. Geol. Surv. Herb. Molir. 



Erianthus strictus Bald. ; Ell. Sk. 1:39. 1816. Close-panicled Erianthus. 



Chap. Fl. 583. Coulter, Coutr. Nat. Herb. 2:194. Scribner, Grass. Tenn. 18, 

 t.l,f.2. 



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 Xasb, 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 lloral axis copiously appressed pubescent ; 

 sheaths rvearly glabrous; ligule scarioiis, ciliolato at the apex; leaves 4 to 7 inches 

 long, :J to finch wide, rough ; panicle 8 inches and over long and lA^ 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 ;ipex, teeth long-subulate, 

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

 the remainder looselj' spiral. 



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



Alabama: Central Prairie region. Low grounds. Montgomery (G. McCarthi/, 

 August, 1888). 



Pelated to E. coniorlus 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 : "Tvpe collected by Dr. .1. K. Small * * * on Stone Mountain, 

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



MANISURIS L. Maut. 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 chapmani (Hackel) Scribner, Mem. Torr. Club, 5:28. 1894. 



Wrinkled Manisuris. 



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



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



Chap. Fl. .575. 



Louisianian area. North Carolina to F'lorida 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. 



Eotthoellia corrugata Bald. Am. Journ. 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 Septembei-. Freciuent. 



Ty])e locality : "Discovered between St. Mary's and Jefferson, in Camden County, 

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



Herb. Geol. Surv. Herb. Mohr. 



