Lachnocaulon cubense Ruhland

Lachnocaulon cubense Ruhl. Repert. Sp. Nov. 22: 34. 1925
Stems abbreviated; leaves linear, 3.5-4.5 cm. long, about 2 mm. wide at the middle, often recurved at apex in drying, acute, glabrous; peduncles aggregate, 2-5, usually few, 8.5-15 cm. long, 6-costate, twisted, glabrous; sheaths rather loose, 3.5-4 cm. long, glabrous, obliquel}' split at apex, the blade abruptly narrowed, 7-8 mm. long, acute; heads at first hemispheric, finally subcylindric, sordid-white, up to 4 mm. in diameter, villose; involucral bractlets chartaceous, fuscous, obovate, concave, cuspidate, pilose on the back toward apex; receptacular bractlets pilose on the back at apex, the outer ones narrowly obovate and becoming fuscous, the inner ones oblong or spatulate-oblong, brownish at apex, hyaline at base, navicular-concave, and acute; staminate florets: sepals fuscous or more or less olivaceous, obovate or oblongobovate, navicular, acute, puberulous on the back, finally calvescent; anthers whitish; pistillate florets: sepals light brownish, hyaline at base, oblong-spatulate, acute, at first ciliolate, finally glabrous; style-appendages 3; stigmas 3, bifid; ovary spheroid, 3-locular.
Type locality: Sandy savannas west of the station, Manacas, Santa Clara, Cuba {Ekman 17118).
Distribution: Known only from the type collection.