Britton: Studies of West Indian plants 493 



bracts linear-lanceolate, ciliate, 6 mm. long or less; achene 

 globular, white, deeply reticulated, about 1.5 mm. in diameter, 

 with a row of pits at its base, the short base 3-angled. 



Pine-lands and savannas, Pinar del Rio. Type collected be- 

 tween Candelaria and Artemisa {Wilson 1724). 



Previously referred by me (Ann. N. Y. Acad. Sci. 3: 236) to 

 S. intermpta A. Rich., of Guiana, which now seems to me to be 

 distinct. 



23. SCLERIA VERTICILLATA Muhl.; Willd. Sp. PI. 4: 3 1 7. 1805 



Pinelands, Pinar del Rio; Isle of Pines: eastern United States; 

 New Providence, Bahamas. 



24. Scleria Liebmanni Steud. Syn. PI. Cyp. 179. 1855 



Scleria tenella Griseb. Cat. PI. Cub. 249, in part. 1866. Not 



Kunth. 

 Scleria luzulaeformis C. Wright; Sauvalle, Anales Acad. Habana 



8: 156. 1872. 



Savannas near San Juan de Buena Vista, jurisdiction of 

 Bayamo, according to Sauvalle (Wright 3418, in part); Mexico 

 to Brazil. 



25. Scleria hirtella Sw. Prodr. 19. 1788 



Scleria nutans Kunth, Enum. 2: 352. 1837. 



Moist grounds, Oriente; Santa Clara; Pinar del Rio; Isle of 

 Pines, southern United States; Haiti; Porto Rico; Jamaica; 

 Trinidad; continental tropical America; tropical Africa. 



26. Scleria lithosperma (L.) Sw. Prodr. 18. 1788 



Scirpus lithospermus L. Sp. PI. 51. 1753. 



Scleria filiformis Sw. Prodr. 19. 1788. 



S. lithosperma filiformis Britton, Ann. N. Y. Acad. Sci. 3: 231. 



1885. 



Woodlands and thickets, all provinces: Florida; Bahamas; 

 West Indies; tropical continental America; Old World tropics. 



27. Scleria gracilis Ell. Bot. S. C. & Ga. 2: 571. 1824 

 Moist savannas, Pinar del Rio: southeastern United States. 



