298 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Mesosetum loliiforme (Hochst.) Chase, Bot. Gaz. 51: 302. 1911. 
Panicum loliiforme Hochst. ; Steud. Syn. Pl. Glum. 1: 56, 1854. 
A slender tufted erect or ascending perennial with yellowish green hirsute 
foliage, the blades flat, narrow, often elongate, the pale flattened spike 6 to 12 
cm. long. . 
Sandy pine woods, Cuba (Province of Pinar del Rfo and Isle of Pines) and 
northern South America. Originally described from Surinam. 
2. Mesosetum wrightii Hitchc. Contr. U. S. Nat. Herb. 12: 211. 1909, 
Perennial, the slender culm ascending from a creeping base, the short flat 
blades sparsely hirsute, the spikes 3 to 4 cm. long. 
Sandy pine woods, Cuba (Dayaniguas, Pinar del Rio, Wright 3859, the type; 
Placetas del Sur, Santa Clara, Ledn 6430). 
31. ERIOCHLOA H. B. K, 
Inflorescence of few to many racemes along a common axis; spikelets subses- 
sile, solitary, the back of the fruit turned from the slender rachis; internode of 
the rachilla between the first and second glumes thickened, forming a ringlike 
base to the spikelet, the first glume usually reduced to an obscure sheath adnate 
to the ring; fruit minutely papillose-rugose, mucronate-pointed or with a deli- 
cate, often deciduous awn. 
Blades filiform —__ . _1. E. filifolia. 
Blades flat, 2 to 15 mm. wide. 
Spikelets acute; first glume present___ _ _.4. E. subglabra. 
Spikelets long-acuminate; first glume obsolete. 
Fruit tipped with a slender awn 1 mm. long; spikelets 4 to 5 mm. 
long_—~-------_-_---- __3, E. punctata, 
Fruit merely apiculate; spikelets 3 mm. long____________2. E. ramosa. 
1. Eriochloa filifolia Hitche. Contr. U. 8. Nat. Herb. 12: 207. 1909, 
A low tufted perennial with filiform culms and blades and small panicles of 
2 or 3 short racemes of acuminate silky spikelets. 
Sterile hills, Cuba, the type collected by Hitchcock on the Jata Hills, the only 
locality known for the species. 
2. Eriochloa ramosa (Retz.) Kuntze, Rev. Gen. Pl. 2: 775. 1891, 
Milium ramosum Retz. Obs, Bot. 6: 22, 1791. 
Eriochloa annulata Kunth, Rév. Gram. 1: 30. 1829. 
A slender ascending glabrous annual with sparingly branching culms, linear 
blades 2 to 5 mm. wide, and pale panicles of few to several erect or ascend- 
ing racemes; spikelets silky, 
Introduced in Cuba (Zaza, Leén 852). Originally described from India. 
3. Eriochloa punctata (L.) Desv.; Hamilt. Prodr. Pl. Ind. Oce. 5. 1825, 
Milium punctatum L. Syst. Nat. ed. 10. 2: 872. 1759. 
Oedipachne punctata Link, Hort. Berol. 1: 51. 1827. 
Helopus punctatus Nees, Agrost. Bras. 16. 1829. 
Monachne punctata Nash, Bull. Torrey Club 80: 374. 1903. 
Larger than the preceding, usually 1 meter or more tall; blades up to 15 
mm. wide, the panicles with several to many ascending branches, 
Swamps and ditches, southern United States through the West Indies and 
eastern Mexico to Brazil. Originally described from Jamaica. 
Cuba, Jamaica, Santo Domingo, Porto Rico, St. Thomas, St. Croix, Tortola, 
Antigua, Montserrat, Guadeloupe, Dominica, Martinique, St. Vincent, Grenada, 
Barbados, Trinidad, and Tobago. 
