1892. | NEW YORK ACADEMY OF SCIENCES. 85 
7. Rynchospora scutellata, Griseb. 
Rynchospora scutelluta, Griseb., Cat. Pl. Cub., 246 (1866); Britton, Bull. Torr. 
Bot. Club, xviii, 369. 
Near Indianola, Texas (Ravenel). [Cuba, Wright, 3406. ] 
8. Rynchospora Orizabensis, Clarke, n. sp. ined. 
Orizava, Mex. (Bourgeau, 2977; Botteri; Muller, 1958); Guate- 
mala (Tuerckheim, 1256). : 
9. Rynchospora corymbifera, Nees. 
Rynchospora corymbifera, Nees, Nov. Act. Nat. Cur., xviii, Suppl. i, 107 (1841). 
Orizava, Mex. (Mobr and Botteri). Named by Mr. Clarke. 
10. Rynchospora Schiediana, Kunth. 
Rynchospora Schiediana, Kunth, Enum., ii, 300 (1837). 
Mexico (Schiede; Galeotti, 5790; Linden, 68; Bourgeau, 3191; 
Botteri, 780; Muller, 1959). 
Var. Vvarica, Clarke, ined. 
San Luis Potosi (Pringle, 3434). 
1l. Rynchospora polyphylia, Vahl. 
Rynchospora polyphylla, Vahl, Enum., ii, 230 (1806). 
Mexico (Liebmann). [West Indies; South America. ] 
12. Rynchospora Tuerckheimii, Clarke, n. sp., ined. 
Guatemala (Tuerckheim, 1258). 
II. Subgenus BURYNCHOSPORA, Clarke. 
Style deeply bifid. 
* Bristles 0, or rudimentary (Psilocarya, Torr.) 
} Spikelets with 3-several nutlets. 
13. Rynchospora scirpoides (Torr.). 
Psilocarya scirpoides, Torr., Ann. Lyc., iii, 360 (1836). 
Rynchospora scirpoides, A. Gray, Man. Ed. 5, 568 (1867). 
Eastern Massachusetts and Khode Island. 
14. Rynchospora nitens (Vahl). 
Scirpus nitens, Vahl, Enum., ii, 272 (1836). 
Psilocarya rhynchosporoides, Torr., Ann. Lye, N. Y., iii, 361 (1836). 
Psilocarya Texensis, Torr. and Hook., Ann. Lyc., loc. cit. (1836). 
Psilocarya nitens, Wood, Bot. and Flor., 364 (1870). 
Rynchospora nitens, A. Gray, Man. Ed. 5, 568 (1867). 
Wading River, LongyIsland (E. 8S. Miller); Delaware (Canby) 
to Florida and Texas. 
