a 
256 . ERIOCAULACEAE 
sented only by the following species.—Heads white, gray, brown, or black.— 
HAIRY-PIPEWORT. BOG-BUTTONS 
Scape glabrou 
Gynoecium 3- -carpellary : stigmas 3: bracts of the involucre obtus 
ark-brown or black, scarcely, if at all, pubescent : sepals er d pu- 
pescent near the pend im " 
Head white or gray, woolly: sepals copiously ciliate. 
Head gray, globular at maturity: sepals about 1 
i mm. long: anther as long as the filamen 2. L. floridanum. 
Head white, spheroidal at maturity : sepals s about 
m. long: anther shorter than the filament. 3. L. glabrum. 
Gynoecium 2-carpellary : stigmas 2: bracts of the involucre 
te. 
acute 4. L. digynum. 
Scape pubescent. 
Seeds smooth. 5. L. Beyrichianum. 
ractlets and sepals of the pistillate flowers not ciliate. 6. L. eciliatum. 
Bractlets i SEE of the pistillate flowers ciliate. 
or brown-gray, mm. thick or less: seeds 
oval ote ovoid, 0.5 mm. lon % L. minus. 
Head La mm. thick or more: seeds ellipsoid, 
. lon 8. L. anceps. 
1. L. Engleri Ruhl. Leaf-blades 1-3 em. lon ng, linear-attenuate, glabrous, 
e ipu 5-30 cm. tall, 3—5-ridged, twisted, glabrous: head cylindric at ma- 
3-6 mm. long: ‘receptacl e with 
slender clavate hairs: bractlets obovate, 
tely pu end near the apex: se- 
S obovate, obtus Lm sandy and 
springy places, Fla.—(F I.) 
2. L. flo ridanum Small. Leaf-blades 2- 
4.5 em. long, linear, less attenuate than 
| sparingly ci 
f L rum, ingly ciliate, 
manifestly cellular base: s 
m. tal ed, glabrous: hea 
3 m ity: bractlets 
-3.0 mm. long at matur 
spatulate or obovate-spatulate, ciliate: 
D similar to the bractlets, ciliate.— 
sandy places, pen. Fla. 
3. L. glabrum Koern. Leaf-blades e and ascending, ee d 
F em. long, glabrous: scape 15-30 em. tall, twisted, glabrous: head whit 
hick: bractlets and sepals ciliate. — Pinelands, damp T and e 
A P Coastal Plain, Fla. and Ala. 
4. oe Koern. Leaf-blades 8—15 ae ed linear, glabrous: scape 
6-15 cm. tall, glabrous: e globular, about in diameter, gray: bract- 
lets Eu each with a nerve-like keel :. p eid: ciliate: ovary 3-celled. 
—Sandy soil, often in eines, Fla. 
5. ie Beyrichianum Sporleder. Leaf-bla de es 1.5-5 em. long, very narrowly 
lin or. wd ear- Edi sparingly ciliate or nearly Nr us: scape 3-14 en 
tall, spar y hairy: head in bu la r, beeoming somewhat elongate, about 
6. L. eciliatum Small. mi eae 1—4.5 em. long, linear-attenuate, sparingly 
ciliate: scapes slender, 3—9 cm. tall, pubescent: heads globular 3 —3.5 m 
thick, gray: bractlets spatulate, not ciliate: sepals spatulate to UL cote 
