Machaonia microphylla Griseb.

Machaonia microphylla Griseb. Mem. Am. Acad. II. 8: 510
1862.
A shrub or small tree, the branches grayish, the branchlets stout, reddish-brown, scaberulous, spine-scent in age, the internodes short; stipules minute, broadly deltoid, acutish, glandular-demiculate; leaves opposite, the petioles 1 mm. long or shorter, the blades ovate, elliptic, obovate, or rhombic-ovate, 4-12 mm. long, 3-8 mm. wide, obtuse or acute al the base, obtuse or acute at the apex, subcoriaceous, lustrous, green above, glabrous or sparsely scaberulous, paler beneath, glabrous, the lateral nerves obscure, subimpressed, 2 or ^ on each lide; cym few-flowered, dense, about 1 cm. broad, the flowers sessile or subsessile ; < alvx and bypanthium densely short-pilose, the hypanthium broadly turbinate, the 4 calyx lobes oblong or ovate, obtuse, at anthesis nearly as long as the hypanthium; corolla 2 nun. long, puberulenl outside, the 4 lobes oval-oblong, about as long as the tube, the throat densely white barbate; antb exserted; fruit obpyramidal, 2.5 mm. long, gradually narrowed downward, denselj shortpilose.
Type locality: Cuba.
Distribution : In dry thickets. Orientc and Santa Clara, Cuba,

Machaonia variifolia Urban, Repert. Sp. Nov. 19: 8. 1923 A densely branched shrub or small tree, the branches terete, the young branchlets minutely spreading-pilosulous, the lateral ones excurrent into spines and bearing 1-3 pairs of divaricate lateral spines; stipules very short, scarcely semilunar; leaves opposite or ternate, pergamentaceous, on petioles 1 mm. long or shorter; leaf-blades obovate, obovate-oblong, or ovate, 3-13 mm. long, 2-5 mm. wide, rounded to acuminate at the apex, narrowed to the base, the margin minutely pilose, the lateral nerves 2 or 3 on each side; inflorescences terminal and on short lateral branches, densely many-flowered, subcorymbose, 1-5 cm. wide, the bracts linear, the flowers subsessile; calyx-lobes linear or lanceolate, obtuse, 0.5-1 mm. long; corolla white, 4 mm. long, the tube cylindric, pubescent within, the lobes slightly shorter than the tube, ovatelanceolate, obtuse; anthers oval, shorter than the corolla-lobes; style 2.2 mm. long, glabrous, short-bifid; fruit obtriangular, 3-3.5 mm. long, 2-2.5 mm. wide, acute or subobtuse at the base, densely and shortly spreading-pilose.
Type locality: Near Playa Siboney, Oriente, Cuba. Distribution: In thickets, Oriente, Caba.