86 TRANSACTIONS OF THE [fEB. 22, 



15. Ryiicliospora coryintoiforiiiis (Benth.). 



Scirpus corymhiferus, Sauv., Fl. Cub., 176 (1873), not R. corymbifera, Ness. 

 Psilocarya corymbifera, Benth., in Benth. and Hook. Gen. Plant., iii, 1048 (1883). 

 Psilocarya corymbiformis, Benth. in Hook. le. Plant., xv, 25, t. 1431 (1883). 

 Ryndiospora iynorata, Bceckl., Bugler's Bot. Jahrb., v, 508 (1884). 



Columbus, Ga. (Boykin); East Florida (Leavenworth); Louisi- 

 ana (Hale). [Cuba, Wright, 3774.] 



16. Ryncliospora rotoiista (Kunth). 



Dichromena robusta, Kunth, Enum., ii, 283 (1837). 



Psilocarya robusta, Nees in iMart. Fl. Bras., ii. Pars 1, 116 (1842). 



Ryncliospora robusta, Bojckl., Linnsea, xxxvii, 616 (1873). 



Orizava, Mex. (Bourgeau, 2735; Muller, 1366; Botteri); Coban, 

 Guatemala (Tuerekheim, 1261), distributed as Bynchosjiora 3Iexi- 

 cana. 



17. Ryncliospora exiniia (Nees). 



Spermodon eximins, Nees, in Seeraann. Bot. Herald, 222 (1852-57). 

 Dichromena Sc/iiediami, Kuntli, Enum., ii, 282 (1837), not Rynchospora Schie- 



diana, Kunth, loc. cit., 350. 

 Rynchospora oxycephala, Sauv., Fl. Cub., 184 (1873). 

 Rynchospora eximia, Boeckl., Linnsea, xxxvii, 601 (1873). 



Mexico (Liebmann); Orizava (Muller, 1964); Jalisco (Pringle, 

 2299). [Cuba, Wright, 3792.] 



18. Ryiicliospoi-a iiifa (Nees). 



Psilocarya rufa, Nees in Mart. Fl. Bras., ii. Pars 1, 117 (1842). 

 Psilocarya Mexicana, Liebm., Mex. Hah'., 60 (1849). 

 Rynchospora rufa, Bceckl., Kjob. Vid. Medd., 1869-70, 149. 

 Rynchospora Mexicana, Sauv., Fl. Cub., 182 (1873), not Steud. 



Mexico (Liebmann). [Cuba, Wright, 2683. Also in northern 

 South America.] The original was from South America. Mr. 

 Clarke places Liebmann's specimen as a form or variety of it. 



f t Spikelets with only 1 or 2 nutlets. 

 19. Ryncliospora niicrantha, Vahl. 



Rynchospora micrantha, Vahl, Enum., ii, 231 (1806), in part. 

 Psilocarya Tenerijfce, Torr. Ann. Lye, iii, 362 (1836). 



Mexico (Liebmann); Guadalahaja (Pringle, 2056); Guatemala 

 (Bernoulli, 413). [West Indies.] 



20. Ryncliospora tenuis, Link. 



Rynchospora tenuis, Link, Jahrb., iii, 76 (1820). 



Mexico (Auerswald, 800; Liebmann; Muller, 124). [South 

 America.] A widely distributed tropical American species which 

 has received manv names. 



