WOOTON AND STANDLEY FLORA OF NEW MEXICO. 83 



broad aheatha of the upper leavea, the glumea 2, or the firat aometimea wanting, 3-toothed 

 at the apex, the lemma narrow, hyaline, entire or bifid at the apex; styles distinct; 

 grain free. 



1. Bulbilis dactyloide3 (Nutt.) Raf.; Kuntze, Rev. Gen. PI. 763. 1891. 



Sesleria dactyloides Nutt. Gen. PL 1: 65. 1S18. 



Buchloe dactyloides Engelm. Trans. Acad. St. Louis 1: 432. 1859. 



Type locality: "On the open grassy plains of the Missouri." 



Range: 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 leavea and elongated simple panicles composed of 

 numerous more or less spreading, slender spikea acattered along the main axis; spike- 

 lets 2 to several-flowered, sessile in 2 rows along one side of the slendi c 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, mueronate 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 1. L. filiform is. 



Sheaths not pilose 2. L. nealleyi. 



Spikelets 3 mm. long or more, narrow, 5 to 12-flowered. 



Lemmas pubescent at the base ; annual 3. L. fast i < laris. 



Lemmas glabrous; perennial 4. L. dubia. 



1. Leptochloa liliformis (Lam.) Beauv. Ess. Agrost. 71. 1812. 

 Festuca fdiformis Lam. Tabl. Encycl. 1: 191. 1791. 

 Eleusine mucronata Michx. Fl. Bor. Ainer. 1: 65. 1803. 

 Leptochloa mucronata Kunth, Rev. Gram. 1: 91. 1835. 



Type locality: "Ex Amer. Merid." 



Range: Virginia and Florida to California and Mexico; also in the West Indira 

 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. 



Range: Western Texas and southeastern New Mexico. 

 New Mexico: Carlabad (Tracy 8191). Plains. . 



3. Leptochloa fascicularia (Lam.) A. Gray, Man. 588. 1848. 

 Festuca fasdcularis'Lzxa.. Tabl. Encycl. 1: 189. 1791. 

 "Festuca prot umbens Muhl. Descr. Gram. 160. 1817. 

 Uralepis composite Buckl. Proc. i.cad. Phila. 1862:9-1.181,::. 

 THplachne procumbent Nash in Britton, Man. L28. 1901. 

 Type LOCALITY: " E S Anier. Merid." 



Range: Maryland and Florida t<> South Dakota and Mexico. 

 New Mexico: Sail Lake; Socorro; Mesilla Valley; Roswell; Carlsbad. Sandy 

 Gelds, in the I. ewer Sonoran Zone. 

 The type of Uralepis composita was collected in New Mexico by Woodhoui 



4. Leptochloa dubia dl. B. K.i Nees, Syll. PL Ratisb. I: i. 1824. Strangle. 

 Chloris dubia II. B. K. Nov. Gen. & Sp. 1: 169. L815. 



Diplachm dubia Scribn. Lull. Torrey Club 10:30. ' 



