578 FLORA OF TEXAS. 



uivolucre 2 C-leaved, spretiding or recurved ; spikes small, 

 ovate, 3-9 iu a cluster ; scales spotted ; scales of the peri- 

 anth very tliin, the nerves at length free and bristle-like 

 below ; itnt oblong, contracted into a short neck. (Kyl- 

 liugia maculata, Michx.) Springy or miry places. July- 

 September. Culms 4-8' high ; spikes l"-2" long, green. 



FUIRENA, Rottb. 



Spikes many-flowered ; scales imbricated in many rows, 

 awned at the apex ; perianth consisting of three petal-like 

 stalked scales alternating Avith as many bristles; stamens 

 3; style 3-cleft ; nnt S-angled, raised on a stalk, and 

 pointed with the persistent base of tlie style; cuhns terete, 

 jointed ; spikes single or clustered, lateral and terminal ; 

 scales hairy. 



F. sciRPOiDEA, Vahl. Ehizoma thick and creeping; 

 culms slender; leaves reduced to pointed sheaths, smooth ; 

 spikes 1-3, terminal, ovate, supported by a small bract-like 

 involucre ; scales obovate, 9-nerved, pointed with a short 

 erect awn ; stalks of the oval barely pointed petal-like 

 scales longer than the hispid bristles. Wet sandy places, 

 near the coast. May-September. Culms 1° high. 



F. SQUARROSA, Michx. Culms clustered, smooth, or pu- 

 bescent near the summit ; leaves flat, linear or linear-lan- 

 ceolate, the margins, like the lower sheaths, hairy; spikes 

 oblong, in lateral and terminal clusters ; scales oblong-obo- 

 yate, with the long pale awn recurved : petal-like scales 

 ovate, acute ; bristles as long as the stalk of the obovate 

 nut. — Var., hispida. (F. hispida, Ell.) Leaves, sheatlis, 

 and upper portion of the culm bristly- h airy ; petal-like 

 scales acuminate ; bristles nearly as long as the nut. 

 Swamps. July-September. Culms ^°-2° high ; leaves 

 2-5' long. The terminal cluster occasionally compound. 

 Perennial. 



