WOOTON AND STANDLEY-—FLORA OF NEW MEXICO, 83 
broad sheaths of the upper leaves, the glumes 2, or the first sometimes wanting, 3-toothed 
at the apex, the lemma narrow, hyaline, entire or bifid at the apex; styles distinct; 
grain free, 
1. Bulbilis dactyloides (Nutt.) Raf.; Kuntze, Rev. Gen. Pl. 763. 1891. 
Sesleria dactyloides Nutt. Gen. Pl. 1: 65. 1818. 
Buchloe dactyloides Engelm. Trans. Acad. St. Louis 1: 432. 1859. 
Tyre Locauiry: “‘On the open grassy plains of the Missouri.”’ 
Rance: North Dakota and Minnesota to Arkansas and Mexico. 
New Mexico: Sierra Grande; Nara Visa; Raton; Santa Fe; Coolidge; Pecos; Logan; 
Buchanan; Mesilla Park. Plains, in the Upper Sonoran Zone, 
43. LEPTOCHLOA Beauv. 
Mostly tall annuals with flat leaves and elongated simple panicles composed of 
numerous more or less spreading, slender spikes scattered along the main axis; spike- 
lets 2 to several-flowered, sessile in 2 rows along one side of the slender and often 
numerous branches; rachilla jointed above the glumes, these 2-keeled, awnless or 
very short-awned; lemmas carinate, 3-nerved, acute, awnless or very short-awned 
or 2 or 3-toothed, mucronate or short-awned between the teeth; palea 2-keeled. 
KEY TO THE SPECIES. 
Spikelets 2.5 mm. long or less, broad, 2 to 4-flowered. 
Sheaths pilose................-------- wee eee eee eee eee eee eee 1. L, filiformis. 
Sheaths not pilose.........2..-22.2.-222--22-222--222-2022--- 2. L, nealleyi. 
Spikelets 3 mm. long or more, narrow, 5 to 12-flowered. 
Lemmas pubescent at the base; annual...........-..---...--- 3. L. fascicularis. 
Lemmas glabrous; perennial.........-.......2...220--2-2...- 4. L. dubia. 
1. Leptochloa filiformis (Lam.) Beauv. Ess. Agrost. 71. 1812. 
Festuca filyormis Lam. Tabl. Encyel. 1: 191. 1791. 
Eleusine mucronata Michx. Fl. Bor. Amer. 1: 65. 1803. 
Leptochloa mucronata Kunth, Rév. Gram, 1: 91, 1835. 
Type Locauiry: ‘“‘Ex Amer. Merid.”’ 
Rance: Virginia and Florida to California and Mexico; also in the West Indies 
and southern Asia. 
New Mexico: Hillsboro; Mesilla Valley. Sandy fields, in the Lower Sonoran 
Zone. 
2. Leptochloa nealleyi Vasey, Bull. Torrey Club 12: 7. 1885. 
TYPE LOCALITY: Texas. 
RanGeE: Western Texas and southeastern New Mexico. 
New Mexico: Carlsbad (Tracy 8191). Plains. 
8. Leptochloa fascicularis (Lam.) A. Gray, Man. 588. 1848. 
Festuca fascicularis Lam. Tabl. Encycl. 1: 189. 1791. 
Festuca procumbens Muhl. Descr. Gram. 160. 1817. 
Uralepis composita Buckl. Proc. Acad. Phila. 1862: 94. 1863. 
Diplachne procumbens Nash in Britton, Man. 128. 1901. 
Type Locatity: ‘‘Ex Amer. Merid.”’ 
RanGE: Maryland and Florida to South Dakota and Mexico. 
New Mexico: Salt Lake; Socorro; Mesilla Valley; Roswell; Carlsbad. Sandy 
fields, in the Lower Sonoran Zone. 
The type of Uralepis composita was collected in New Mexico by Woodhouse. 
4. Leptochloa dubia (H. B. K.) Nees, Syll. Pl. Ratisb. 1: 4. 1824. SPRANGLE. 
Chloris dubia H. B. K. Nov. Gen. & Sp. 1: 169. 1815. 
Diplachne dubia Scribn. Bull. Torrey Club 10: 30. 1883, 
