1 68 FLOKA OF TEXAS. 



apex ; lateral sej^als lanceolate, rigid, crenulate on the 

 Avingless keel ; petals obovate, rounded ; sterile filaments 

 sparingly bearded. Low sandy pine-barrens. April and 

 May. Plant light brown; scape G'-12' high, chistered* 

 leaves l'-3' long; spike 2"-3" long; petals :l ' long. 



150. PIPEWORT FAMILY. Order, Eriocaulonace^. 



Perennial chiefly stemless marsh herbs, with narrow 

 tufted leaves, and minute monoecious or (Wq^qiow^ flowers, 

 collected in a dense hairy chaffy-bracted liead.— Stami- 

 KATE flowers: sepals 2-3; corolla tubular, bilabiate or 

 3-toothed, or sometimes wanting; stamens 2 -G ; anthers 

 introrse. — Pistillate floweus : sejjals and ^;t'^aZ5 2-3; 

 ovary 2-3-celled, with a single orthotropous ovule in each 

 cell ; style 2-3-parted ; capsule loculicidally 2-3-valved, 

 1-3-seeded; e??iJr^o minute at the apex of the albumen. — 

 Leaves concave and partly clasping at the base ; scape fur- 

 rowed and commonly twisted, with a spathe-like sheath at 

 the base; exterior scales broader, empty, and involucrate ; 

 flowers fringed with white club-shaped hairs ; corolla 

 white. 



SYNOPSIS. 



Stamens 4. Anthers 2-celUd. Style 2-parted. Corolla flipped Eriocaulon. 



3. fi-celled. 'i-pat'ted, the lobes entire P^palanthus. 



3. l-ceUed. '2S-parted, the lobes,entire, or 2-cleft. 



Lachnocaulon. 



ERIOCAULON, L. Pipewort. 



Flotoers monoecious, each in the axil of a scale-like bract ; 

 sepals 2-3 ; corolla of the staminate flowers tubular, 2-lip- 

 ped or 3-lobed, of the pistillate flowers 2-3-petalous ; sta- 

 mens 4 or 6 ; anthers 2-celled ; style 2-3-parred ; stigmas 

 2-3 ; capsule 2-3-celled, 1-3-seeded ; scapes single or nnmer- 

 ous, mostly from a short and villous rootstock ; lobes of the 

 corolla furnished with a blackish gland on the inner face. 



