FESTUCE.^:. 



453 



100. (204). SCLEROPOGON Philippi. Sert. Mendoc. 2 : 47 (1871). 

 Lesourdia Founi. Bull. Hoc. Bot. Fr. 27:102, 3, t.^ (1880). 



Plant dioecious ; spikelets 2- to many-flowered, in a scanty panicle, 

 rachiila elongated. In male spikelets, rachilla glabrous, inarticu- 



FiG. SQ.—Scleropogon Karioinskianus. A, staminate spikelet; B, pistillate 

 splkelet. (Scribuer.) 



late; empty glumes thin, narrow, acute, unawned, 3 -nerved, un- 

 equal; floral glume a little longer, sometimes minutely 3-toothed 

 at the apex, the middle tooth stouter and longer; palea narrow, 

 firm, about as long as its glume, 2-keeled, 2-toothed. Stamens 3. 

 Fertile spikelets 1- to many-flowered, upper ones sterile, their empty 

 glumes persistent, unequal, larger than in the male spikelets; floral 

 glumes several, firm, narrow, enclosing the flower, the 3 nerves ex- 



