302 NORTH AMERICAN FLORA [Volume 25 



Leaves opposite, the venation prominent. 3. V. tabascana. 



Leaves rounded and emarginate at apex. 4. V. hondurensis. 



1. Vochya ferruginea (Mart.) Standley. 



Vochisia ferruginea Mart. Nov. Gen. 1: 151. 1817. 



Tree, 9-20 meters high, the trunk sometimes 60 cm. in diameter, the crown small and 

 dense, the branchlets obscurely angulate, ferruginous-tomentulose; stipules triangular-subu- 

 late, 2 mm. long, finally deciduous; petioles 5-8 mm. long, tomentulose; leaf-blades oblong 

 or elongate-elliptic, 8-16 cm. long, 3-4.5 cm. wide, cuspidate-acuminate, obtuse or acute at 

 base, coriaceous, glabrous above and with inconspicuous venation, beneath ferruginous-tomen- 

 tulose, especially on the nerves, the venation elevated, the lateral nerves 15-20 pairs, the second- 

 ary nerves reticulate; thyrses terminal and axillary, 6-15 cm. long, the rachis densely tomentu- 

 lose, the cymes 1-5-flowered; pedicels slender, about 4 mm. long; bracts linear-subulate; buds 

 8-10 mm. long, 1.5 mm. thick; flowers orange-yellow; 4 of the sepals orbicular, ciliate, 1 mm. 

 long, the posterior one with an oblong blade 7-8 mm. long, the spur elongate and circinate; 

 petals oblong, obtuse, ciliate at apex, the intermediate one 7 mm. long; stamen 6-7 mm. long, 

 the anther pilose on the margins, twice as long as the filament; ovary glabrous; fruit acutely 

 trigonous, 2.5-3 cm. long, about 8 mm. in diameter; seeds compressed, samara-like, densely 

 pilose, the body about 7 mm. long, the wing 15 mm. long and 4 mm. wide. 



Type locality: Coari, Alto Amazonas, Brazil. 

 Distribution: Panama and Brazil. 

 Illustration: Mart. Nov. Gen. 1: pi. 92. 



2. Vochya guatemalensis (Donn. Smith) Standley. 



Vochisia guatemalensis Donn. Smith, Bot. Gaz. 12: 131. 1887. 



Large tree, the branchlets glabrous, costate-angulate; stipules subulate, 3 mm. long, per- 

 sistent; leaves 3-4-verticillate, or the uppermost opposite; petioles slender, glabrous, 2-3 cm. 

 long; leaf-blades oblong-lanceolate, 9-15 cm. long, 2.5-5.5 cm. wide, somewhat abruptly acumi- 

 nate, acute or acuminate at base, coriaceous, glabrous; flowers yellow, the thyrses terminal 

 and axillary, forming large leafy panicles, 10-18 cm. long, the rachis angulate, sparsely puberu- 

 lous, the cymes 3-4-flowered; buds linear, 3 mm. or less in diameter, acute; smaller sepals 

 oblong-obovate, 1-2 mm. long, ciliolate, the blade of the posterior one 15-20 mm. long, the 

 spur half as long, slender; petals oblong-obovate, the intermediate one half as long as the calyx 

 and 4 mm. wide, the others slightly shorter and much narrower; anther glabrous, 10 mm. long, 

 the filament shorter; style very slender; ovary oblong, glabrous. 



Type locality: Mountain forests, Pansamala, Alta Verapaz, Guatemala, at 1140 meters. 

 Distribution: Eastern Guatemala. 

 Illustration: Bot. Gaz. 13: pi. 23. 



3. Vochya tabascana (Sprague) Standley. 



Vochisia panijlora Villada, La Naturaleza II. 3: 681. 1903. Not V. parviflora Spruce, 1875. 

 Vochisia tabascana Sprague, Kew Bull. 1922: 183. 1922. 



Branchlets smooth, glabrous, canaliculate; stipules subulate, 2 mm. long; leaves opposite, 

 the petioles 1-2 cm. long, the blades elliptic-oblong, subcuspidate at apex, obtuse or subcuneate 

 at base, 5-10.5 cm. long, 2.5-5 cm. wide, coriaceous, glabrous, with prominent and reticulate 

 venation on both surfaces, lustrous above, the lateral nerves 9 or 10 pairs, arcuate-ascending, 

 anastomosing near the margin; thyrses 15 cm. long, minutely puberulent, the rachis angulate, 

 the cymes 2-5-flowered; peduncles 5-7 mm. long, the pedicels 5-6 mm. long; sepals broadly 

 ovate, 2-2.2 mm. long, ciliolate, the blade of the posterior one 9-13 mm. long, its spur descend- 

 ing, 7.5 mm. long; petals ciliate, the middle one 4-5 mm. long, the lateral ones smaller; anther 

 5.5-6.5 mm. long; ovary glabrous, the style straight, 8.5 mm. long. 



Type locality: Between Atasta and La Tejeria, Tabasco, Mexico. 

 Distribution: Known only from the type locality. 

 Illustration: La Naturaleza II. 3: pi. 39. 



