





New and Rare Plants. 409 



veneL 



Torr.— Sullivan's Island, S. CL Mr. R 



' Rhynchospora pallida, n. sp. — Culm rigid, acutely 3-angIed, 

 leafy, glaucous green, angles scabrous towards the summit. 



eav 



*s erect, carinate, ciliate-serrulate. Panicle terminal, capi- 

 tate, compact, two of the bracteal leaves a little longer than the 

 head. Spikclets very pale ferruginous, lanceolate, 1 flowered, 

 2-3 outer glumes shorter, ovate or lance-ovate, mucronate, the 

 remaining two lanceolate, acute. Achenra obovate, smooth, com- 

 pressed, reddish-brown with a paler disc, under a strong lens lon- 

 gitudinally striulate. Tubercle very short, depressed, apiculate. 

 Setre 3, i the length of the achenium. Stam. 3. Style 2 cleft. 



Wilmington, N. Car. June. 



Cuhfl 12-20 inches high. Achenium 1 line long. Has some- 

 thing of the aspect of the next species, but is stouter, with the 

 panicles more compact and the glumes paler. 



R. CeTapmanii, n. sp. — Densely ca-spitose. Culms slender, ob- 

 tusely 3-angled, striate, leafy, smooth. Radical leaves plane, the 

 cauline filiform, short. Corymbs fasciculate, terminal, small, each 

 of the divisions with a setaceous bract. S pikelets pale ferrugi- 

 nous, lanceolate, 1 flowered; glumes mucronate. Achenium 

 oval and elliptic, compressed, pale or slightly ferruginous with a 

 glassy disc on each side. Tubercle triangular, compressed, con- 

 fluent, broad at base, £ the length of the achenium. Seta? ! 

 Stam. 2. Style long, 2 cleft.— Wilmington, N. C.— Aug. Sept. 



Culm 12-20 inches high, nearly round. Achenium £ of a 

 line lon°\ Has some resemblance to R. alba. I have received 

 this from the Santee (Ravenel); and also from Dr. Chapman of 

 Florida, under the mss. name of R. Grayana. I learn from my 

 excellent friend Mr. Carey, that it is also R. conferta, Chapm. mss. 

 As I have distinguished the plant for more than fifteen years, I 

 trust the Doctor will allow me to dedicate it to one who is wor- 

 thy of more honor than I can confer. 



R. divergens, Chapm. mss. — Culm filiform, glabrous, leafy. # 

 Leaves distant, setaceous, the margins serrulate toward the sum- 

 mit. Panicles axillary and terminal, corymbose, small, loose and 

 preading, the lateral ones pedunculate. Spikelets pedicellate, 

 small, ovoid, acute, pale chestnut, florets all fertile. Achenium 

 i obovate, biconvex, very minutely striulate longitudinally or can- 



cellate, pale or becoming a little dusky. Tubercle small, white, 



constricted at base. Style long deeply cleft. Stam. 1 ! Setae ! 



Culm 6-12 to, high, slender. Leaves 2-4 in. long, involute. 



Axillary panicle one, distant. 



i 



long. Resembles R. rariflora at first sight, but has the closest 

 affinity with R. pusilla, Chapm. mss., from which it differs in 

 several particulars, especially in the achenium which is not rugu- 



Seconp Seeie* Vol. VII, No. 21.— May, 1849. 52 





