390 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



7. Eragrostis cilianensis (All.) Link; Vign. Lut. Malpighia 18: 386. 1904. 1 

 Poa cilianensis All. Fl. Pedem. 2: 246. 1785. 



Eragrostis major Host, Icon. Gram. Austr. 4: 14. 1809. 



Eragrostis megastachya Link, Hort. Berol. 1 : 187. 1827. 



Culms erect or often spreading; panicles rather compact, 2 to 10 cm. long, 

 greenish or often whitish, the spikelets many-flowered, larger than in the 

 other annual species ; plant giving off a disagreeable odor. 



A common weed in the United States. Originally described from Europe. 

 Found in Bermuda. *C~- 



8. Eragrostis eragrostis (L.) Karst. Deutsch. Fl. 389. 1883. 

 Poa eragrostis L. Sp. PI. 68. 1753. 



Culms ascending, 30 to 40 cm. long; blades scabrous above; panicles oblong, 

 rather loosely flowered, the pale spikelets 5 to 7 mm. long. 



A European species introduced in the United States; found in Haiti and 

 Martinique. 



9. Eragrostis barrelieri Daveau, Journ. de Bot. 8: 289. 1894. 



Much like E. eragrostis in habit; small axillary panicles commonly borne in 

 the sheaths. 



An Old World species introduced in Texas and St. Croix. 



10. Eragrostis glomerata (Walt.) L. H. Dewey, Contr. U. S. Nat. Herb. 2: 

 543. 1894. 



Poa glomerata Walt. Fl. Carol. 80. 1788. 



Poa conferta Ell. Bot. S. C. & Ga. 1 : 158. 1816. 



E?*agrostis conferta Trin. Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 1: 

 409. 1830. 



Robust, sometimes as much as 2 meters tall and appearing like a perennial, 

 freely branching, the branches sometimes fascicled ; blades elongate ; panicles as 

 much as 40 cm. long, narrowly contracted, densely flowered, the spikelets 

 minute. 



Moist, low ground, southeastern United States to Uruguay. Poa glomerata 

 and P. conferta were described from South Carolina. 



In the West Indies known from Trinidad only, where it forms colonies in 

 damp places in the western part of the island from Port of Spain to La Brea. 



11. Eragrostis glutinosa (Swartz) Trin. Mem. Acad. St. Petersb. VI. Math. 

 Phys. Nat. 1 : 397. 1830. ' > ' ' 



Poa glutinosa Swartz, Prodr. Veg. Ind. Occ. 26. 1788. 



Eragrostis sudans Griseb. Cat. PI. Cub. 227. 1866. 



Low, tufted, the wiry ascending culms about 10 cm. tall, branching; blades 

 involute, nearly equaling the small open panicles, the axis and branches viscid, 

 seeds and dirt adhering to them. 



Sandy soil, Cuba and Jamaica. Originally described from the latter island. 

 Eragrostis sudans was described from Cuba, the type being Wright 3422. 



12. Eragrostis bahamensis Hitchc. Rep. Mo. Bot. Gard. 4: 149. 1893. 

 Tufted, usually about 15 cm. tall, the spreading simple wiry culms spikelet- 



bearing about half their length, the spikelets appressed or ascending, 6 to 8 mm. 

 long, firm and hard, mostly solitary ; blades involute, firm, a woolly tuft on the 

 auricles at the summit of the sheath. 



Rocky soil, Bahamas ; originally described from Inagua. 



Bahamas (Caicos, Acklin, Inagua, Little Inagua, Rum Cay, Turks Island). 



1 For synonymy and discussion see Hubbard, Philippine Journ. Sci. C. Bot. 8: 

 159. 1913. 



