Ill 



Fig. 85. Bulbilis dactyloides (Nutt) Raf. {Buchloe dactyloides Engelm.) . BUF- 

 FALO-GRASS. — a, A female or fruiting plant; a', the pistillate or female inflo- 

 rescence; b, a male or staminate plant; b' , the staminate or male inflorescence; 

 e, a staminate spikelet. 



85. BXJliBllilS Raf. Am. Month. Mag. 4 : 190. 1819. (Buchloe Engelmann, 

 1859.) Staminate spikelets 2- to 3-flowered, sessile, in 2 rows along the short one- 

 sided spikes. Empty glumes obtuse, unequal; flowering glumes larger, 3-nerved. 

 Palea a little shorter than its glume, 2-nerved. Stamens 3. Pistils none. Pistil- 

 late spikelets 1-flowered, in a nearly capitate, one-sided spikes, which are 

 scarcely exserted from the broad sheaths of the upper leaves. Empty glumes 2, 

 the 1st sometimes wanting, the outer one large, concave at the base, or in the 

 lowest spikelet connate with the nearly equal 1st glume, indurated, apex 

 3-toothed; flowering glume narrow, hyaline, entire or bifid at the apex, inclos- 

 ing the 2-nerved palea. Stamens none. Styles distinct, with elongated plumose 

 stigmas. Grain free within the hardened empty glumes. A creeping or stolo- 

 niferous perennial, with narrow, flat leaves, and dissimilar staminate and 

 pistillate flowers borne on the same or on distinct plants. 



Species 1, western North America. 



