HITCHCOCK GRASSES OF CUBA. 213 



Spikelets 2 mm. long, panicle dense 1. S. myuros. 



Spikelets 3 mm. long, panicle often interrupted 3. S. vilvoides. 



1. Sacciolepis myuros (Lam.) Chase, Proc. Biol. Soc. Wash. 21: 7. 1908. 

 Panicum myuros Lam. Tabl. Encycl. 1: 172. 1791. 



Isle of Pines, Curtiss 428. 



2. Sacciolepis striata (L.) Nash, Bull. Torr. Club 30: 383. L903. 

 Holcus striatus L. Sp. PI. 1048. 1753. 



Panicum gibbum Ell. Bot. S. C, & Ga. 1: 116. 181(5. 

 On tembladeros a in lagunas, Pinar del Rio, December, Wright 3885. 

 The Grisebach specimen is from Hanabana, May 25, 1865, numbered 198. A speci- 

 men in the Gray Herbarium is numbered "302=3885." 



3. Sacciolepis vilvoides (Trin.) Chase, Proc. Biol. Soc. Wash. 21: 7. 1908. 

 Panicum vilvoides Trin. Gram. Pan. 171. 1826. 



Hymenachne fluviatilis Nees, Agrost. Bras. 273. 1829. 



In rivulets, Pinar del Rio, October, Wright 3470; Isle of Pines, Curtiss 304. 



This species is represented in the Grisebach Herbarium by a Wright specimen from 

 western Cuba, 1863, numbered "944=3470." Wright's 3470 in the Gray Herbarium is 

 labeled, "In lagunas, Los Almacigos, Nov. 23," and "On tembladerosa in lagunas, 

 Asiento viejo de San Julian, Nov. 30." 



31. ECHINOCHLOA Beauv. Agrost. 53. pi. 11. f. 2. 1812. 



Sheaths hirsute 3. E. walteri. 



Sheaths glabrous. 



Spikelets pointed but not awned 1. E. colona. 



Spikelets awned 2. E. crusgalli. 



1. Echinochloa colona (L.) Link, Hort. Berol. 2: 209. 1833. 

 Panicum colonum L. Syst. Nat. ed. 10. 2: 870. 1759. 



Wright 752; Habana, Baker HC 1796, Leon 303, Palmer & Riley 1137; Santiago de 

 las Vegas, Baker HC 502, 4765, Hitchcock in 1906; Buena Vista, Shafer in 1903; Cerro, 

 Shafer 180; Guanabacoa, Leon 117 in part; Cabanas, Palmer & Riley 756; Cienfuegos, 

 Pringle 45; Combs 254 in Gray Herbarium; Guines. Leon 425. The following are in 

 the herbarium of the New York Botanical Garden: Isle of Pines, Curtiss 427; Matan- 

 zas, Britton & Shafer 509; Cedro, Underwood & Earle 1620. 



In the Grisebach Herbarium there are two specimens, one from western Cuba, 

 1863, "946=752," the other numbered 27, collected in 1865. 



A specimen in the herbarium of the New York Botanical Garden from Matanzas, 

 Rugel 884, is doubtfully referred to E. colona. The spikelets have awns 2 to 3 mm. 

 long. 



2. Echinochloa crusgalli (L.) Beauv. Agrost. 53. 1812. 

 Panicum crusgalli L. Sp. PI. 56. 1753. 



Santiago, Linden is l | in Leipzig Herbarium; Rugel 889 in Grisebach Herbarium; 

 Wright in 1865 in Grisebach Herbarium; Wright 53 of 1865 in Kew Herbarium; Isle of 

 Pines, Curtiss in 1904 in Herb. N. Y. Bot. Gard.; Matanzas, Britton & Wilson 175 

 in Herb. N. Y. Bot. Gard. 



3. Echinochloa walteri (Pursh) Nash in Britton, Man. 78. 1901. 

 Panicum walteri Pursh, Fl. Sept. Amer. 1: 66. 1814. 



Low wooded swamps, Hanabana, May 27, Wright 3879; Wright 160 in Kew Her- 

 barium. 



a Quaking bogs. 



