570 FLORA OF TEXAS. 



long, acute, smooth and shining ;/oi(;er5 slender, pediceled; 

 sejKils linear, acute ; corolla of the staminate floioers funnel- 

 shaped, of the instillatefloivers composed of 3 slender petals, 

 cohering above the ovary; stamens and stijles exserted. 

 (Eriocaulon flavidulum, Michx.) Low sandy pine-barrens. 

 April and May. Scapes 6-12' high. 



LACHNOCAULON, Kunth. 



Flowers monoecious. — Stamiitate flowers: sepals 3, 

 equal; corolla none; stamens 3, with the filaments united 

 below into a club-shaped tube ; anthers l-celled. — Pistil- 

 late flowers: sepals 3, equal; corolla none, or reduced 

 to tufted hairs; style club-shaped, 2-3-parted, the divisions 

 entire or 2-cleft; stigmas 2-6; capsule 2-3-celled. Habit 

 of the two preceding. Bracts and sepals blackish, fringed 

 with club-shaped hairs. 



L. MiCHAuxii, Kunth. Leaves linear (1-2' long), hairy, 

 becoming smoothish ; scapes slender, hairy, 4-furrowed 

 (1*^ high) ; heads globose ; bracts and sepals spatulate, ob- 

 tuse, fringed with white hairs; divisions of the style 3, 

 each 2-cleft. (Eriocaulon villosum, Michx.) Low grassy 

 pine-barrens. May and June, growing in tufts. Heads 

 2" wide. 



151. SEDGE FAMILY. Order, Cyperace^. 



Slender herhs, with simple solid mostly 3-angled stems 

 {culms), and grass-like leaves, with closed sheaths; floioers 

 spiked, each in the axil of a single (rarely 2-4) scale-like 

 bract {scale) ; perianth composed of liypogynous scales or 

 bristles, or none ; ovary l-celled, with a single erect ana- 

 tropous ovule, forming in fruit a lenticular or 3-angled 

 acbenium {nut), which is often crowned with the persist- 

 ent jointed base of the style {tubercle) ; stamens 1-12 ; 

 anthers erect; style 2-3-cleft or parted; embryo minute at 

 the base of the albumen. 



