Part 2, 1910] MALPIGHIACEAE 123 



5. Hiraea fagifolia (DC.) A. Juss. Arch. Mus. Paris 3 : 567. 1844. 



Banisteria fagifolia DC. Prodr. 1 : 590. 1824. 

 Hiraea Blanchetiana Moric. PI. Nouv. Am. 104. 1841. 

 Hiraea Riedleyana Juss. Arch. Mus. Paris 3 : 569. 1844. 

 Hiraea fagifolia Blanchetiana Niedzu. Gen. Hiraea 14. 1906. 

 Hiraea fagifolia Candolleana Niedzu. Gen. Hiraea 14. 1906. 



Leaf-blades oblong-obovate to obovate, varying to oval or ovate, mostly 9-19 cm. long, 

 abruptly pointed, or short-acuminate and often blunt at the tip, glabrous or nearly so, at 

 least at maturity, except the midrib beneath, obtuse or rounded and somewhat cordate at 

 the base ; the stout petiole 5-10 mm. long; flower-clusters short-peduncled, the pedicels 

 longer than the stout peduncle ; sepals ovate or deltoid-ovate, 3-4 mm. long, the glands 

 one half the length of the sepal-body or less, or wanting ; petals yellow, the larger ones 

 9-10 mm. long, the blades suborbicular, denticulate or somewhat fimbriate ; samaras 3-5 

 cm. wide, the wings suborbicular or reniform. 



Type locality : French Guiana. 



Distribution : Guatemala to northern South America. 



6. Hiraea fagiaea (Sw.) Niedzu. Gen. Hiraea 16. 1906. 



Malpighia faginea Sw. Prodr. 74. 1788. 



Hiraea Swartziana A. Juss. Ann. Sci. Nat. II. 13: 258. 1840. 



Hiraea fulgens A. Juss. Arch. Mus. Paris 3 : 572. 1844. 



Hiraea manzinellensis Beurl. Sv. Vet.-Akad. Handl. 1854 : 117. 1854. 



Leaf-blades obovate to oblong-obovate or elliptic, mostly 8-16 cm. long, acute or 

 abruptly short-acuminate, glabrous and more or less shining above, silvery- or yellowish- 

 silky and prominently ribbed beneath, obtuse or rounded at the base, the stout petioles 5-9 

 mm. long ; flower-clusters usually decompound, the clavate pedicels mosth- slightly longer 

 than the peduncles ; sepals deltoid, 3.5^1.5 mm. long, the glands about one half as long as 

 the sepal-body, or wanting ; petals yellow, the larger ones 9-11 mm. long, the blades sub- 

 orbicular, fimbriate ; samaras fully 2 cm. wide, the wings flabellate-cuneate, the upper part 

 larger than the lower. 



Type locality* : West Indies. 



Distribution : Nicaragua to northern South America, and in Grenada. 



3. TRIOPTERIS L,. Sp. PI. 428. 1753. 



Climbing, sometimes twining or reclining shrubs. Leaves opposite, with inconspicuous 

 interpetiolar stipules ; blades usually leathery, entire, usually glabrous and shining, striate- 

 veined or reticulate-veined, relatively short-petioled. Calyx with 8 glands; sepals rather 

 broad, persistent. Corolla yellow, violet, or purplish ; petals 5, the blades broad, entire, 

 but usually undulate, or sometimes irregularly toothed. Stamens 10, all anther-bearing ; 

 filaments subulate ; anthers very short. Ovary 3-lobed. Styles 3, distinct, nearly equal. 

 Samaras 3 together, each 3-winged, Y-shaped, the two upper wings longer than the lower 

 one. 



Type species, Triopteris jamaicensis L. 



Leaf-blades striate-veined. 1. T. jamaicensis. 



Leaf -blades reticulate- veined. 



Larger leaf -blades oblong-ovate or ovate, obtuse or acutish ; inflorescence 

 corymb-like. 

 Sepals ovate, the glands about one half the length of the sepal-body ; 



corolla over 1 cm. wide. 2. T. panicnlata. 



Sepals oval, the glands much over one half the length of the sepal-body ; 

 corolla less than 1 cm. wide. 3. T. ovata. 



Larger leaf-blades broadly ovate, markedly acuminate ; inflorescence pyram- 

 idal. 4. T. Britionii. 



1. Triopteris jamaicensis L,. Sp. PI. 428. 1753. 



Banisteria microphylla Jacq. Obs. Bot. 3: 7. 1768. 

 Triopteris rigida Sw. Prodr. 75. 1788. 

 Triopteris lucida H.B.K. Nov. Gen. & Sp. 5 : 167. 1822. 

 Triopteris havanensis H.B.K. Nov. Gen. & Sp. 5 : 168. 1822. 

 Triopteris pan-ifolia A. Juss. Ann. Sci. Nat. II. 13 : 266. 1840. 



Leaf-blades various, linear, oblong, oval, cuneate, or obovate, mostly 1-2.5 cm. long, 



