144 NORTH AMERICAN FLORA L VOLUME 25 



Leaf-blades ovate to orbicular-ovate or suborbicular, 9-11 cm. long, or rarely larger, 

 acute or rounded and mucronate at the apex, ultimately glabrous above, permanently 

 pubescent and reticulate beneath, rounded, truncate, or subcordate at the base, long-petioled ; 

 peduncles and pedicels finely pubescent ; sepals broadly ovate, 3-3.5 mm. long, the glands 

 fully one half the length of the sepal-body ; larger petals 8-9 mm. long ; samaras 3.5-4 cm. 

 long, the ventral edge of the wing with a broad auricle at the base, the body crested. 



Type locality: Santa Cathariua Island, Brazil. 



Distribution : Nicaragua ; Panama ; also hi northern and eastern South America. 



Illustration : Cav. Diss. pi. 253. 



17. Stigmaphyllon Lindenianum A. Juss. Arch. Mus. 



Paris 3 : 362. 1844. 



Stigmaphyllon Lupulus S. Wats. Proc Am. Acad. 21 : 461. 1885. 

 Stigmaphyllon Lindenianum yucaianum Niedzu. Gen. Stigmat. 2: 18. 1900. 

 Stigmaphyllon Lindenianum 'Lupulus Niedzu. Gen. Stigmat. 2 : 19. 1900. 

 Stigmaphyllon Lindenianum nicaraguense Niedzu. Gen. Stigmat. 2 : 19. 1900. 



Leaf-blades ovate or oval, remotely glandular-toothed, or 3-5-lobed, 6-14 cm. long, 

 abruptly pointed or short-acuminate, glabrous or nearly so above, densely pubescent beneath, 

 or rarely rather sparingly pubescent, truncate or cordate at the base, rather long-petioled ; 

 peduncles and pedicels densely or copiously pubescent ; sepals ovate to oval, 2.5-3 mm. long, 

 the glands one half the length of the sepal-body or more ; larger petals 9-11 mm. long ; 

 samaras 2-2.5 cm. long, the ventral side of the wing with a rounded auricle at the base, 

 the body crested. 



Type locality : Near Teapa, Mexico. 

 Distribution : Mexico and Central America. 



18. Stigmaphyllon sericans (Niedzu.) Small, sp. nov. 



Stigmaphyllon tiliifolium sericans Niedzu. Gen. Stigmat. 2 : 17. 1900. 



Leaf-blades ovate, oblong-ovate, or lanceolate, 6-13 cm. long, acuminate, entire, some- 

 what undulate and glandular on the margins, deep-green and sparingly pubescent or gla- 

 brous above, copiously fine-silky beneath, usually rounded at the base, rather long-petioled ; 

 peduncles and pedicels densely strigillose-silky ; sepals ovate, 3-3.5 mm. long, the glands 

 about one half the length of the sepal-body ; larger petals 6-7 mm. long ; samaras 3.5-4 

 cm. long, the ventral edge of the wing with a broad auricle at the base, the body crested. 



Type locality : Costa Rica. 



Distribution : Honduras, Costa Rica, and Guatemala. 



19. Stigmaphyllon puberum A. Juss. Ann. Sci. 



Nat. II. 13 : 289. 1840. 



Banisteria pubera Rich. Act. Soc. Hist. Nat. Paris 1 : 109. 1792. 

 Banisteria fu/gens DC. Prodr. 1 : 590. 1824. Not B.fulgens L. 1753. 



Leaf-blades oblong, elliptic, ovate, or lanceolate, 6-16 cm. long, acuminate, glabrous or 



nearly so above, entire, finely appressed-pubescent beneath, rounded or truncate at the 



base, rather long-petioled ; peduncles and pedicels permanently pubescent ; sepals ovate, 



3-3.5 mm. long, the glands one half the length of the sepal-body or less ; larger petals 9- 



11 mm. long ; samaras 2.5-3 cm. long, the ventral edge of the wing scarcely auricled, the 



dorsal edge decurrent on the samara-body. 



Type locality : French Guiana. 



Distribution : Jamaica, Hispaniola, Porto Rico, and the Lesser Antilles ; also in northern 

 South America. 



20. Stigmaphyllon sagittatum (Cav.) A. Juss. Ann. Sci. 



Nat. II. 13 : 288. 1840. 



Banisteria sagittata Cav. Diss. 430. 1790. 



Banisteria sinuata DC. Prodr. 1 : 588. 1824. 



Stigmaphyllon sinualum A. Juss. Ann. Sci. Nat. II. 13: 288. 1840. 



Leaf-blades hastate, often broadly so, 5-10 cm. long or more, glabrous above, except on 



