CHLORIDES. 



439 



pl.int. Dr. Eugelmann was the first to discover tlie true nature of 

 tlie plaut. 



One species, extensively spread over the great plains from Mexico 

 to British America. 



1. B. dactyloides (Nutt.) Rafin. Kimtze, Rev. Gen. PI. 2:763 

 (1891). BuFi-ALO-GRASS. SesleHa dactyloides Nutt. Gen. 1 : 65 

 (1818). A7ifIiephora {AntepJiora) axillifiora Steud. Syn. PL Gram. 

 Ill (1855). Bucliloe dactyloides Engelm. Trans. St. Louis Acad. 

 1:432 (1859). 



Densely tufted, extensively spreading by stolons. Culms of the 

 male plant 9-20 cm. high, those of the pistillate plant 4-7 cm. 



Fig. 80. — Bulbilis dactyloides. A, Staminate spikelet; B, pistillate spikelet.. 



(After Eugl.) 



high. Blades 5-10 cm. long, 2 mm. wide, nearly smooth or slightly 

 hairy, bearded at the ligule. 



Texas, Hall 770, Drnmmond 359, 378; New Mexico, Wright 

 517, 785, 2079; Colorado, P«rr// 369; Mexico, Sclmfner 1004, 

 1021, Parry cf- Palmer 922. 



This famous grass disappears rapidly witli close feeding of live 

 stock. 



95. (195). Opizia J. & C. Presl, Rel. Haenk. 1:293, t. 41, /. 

 1 to 11 (1830). Casiostega Rupr. Galeotti, in Bull. Acad. Brax. 

 9: Part 2, 232 (1842). 



Spikelets monoecious or dioecious, 1-flowered, the staminate in 

 slender 1-sided spikes. Empty glumes entire, 1-nerved, the lower the 



