Part 4, 1924] MELIACEAE 269 



long; calyx 4-toothed, about 2 mm. broad, strigillose, the lobes triangular; petals 4, oblong- 

 elliptic, 3.5-5 mm. long, 2-2.5 mm. broad, puberulent; ovary glabrous; style short; stigma 

 subcapitate; capsule subglobose, 4-celled, 2 cm. long, 2-2.2 cm. broad; seeds ellipsoid. 



Type locality: Near La Venta de Acahuitzotla, Guerrero. 

 Distribution: Mexico and Central America. 



8. Guarea polyantha Blake, Proc. Biol. Soc. Wash. 34: 117. 1921. 



A large shrub, the twigs strigulose; leaves 2.5-3 dm. long, those at the base of the in- 

 florescence much shorter; leaflets 10-14, oblong-elliptic or somewhat obovate-oblong, 14-19 

 cm. long, 3-5.5 cm. broad, those of the shorter leaves 4-6, oblong-elliptic to oval, 5-8.5 cm. 

 long, 3-3.7 cm. broad, all more or less narrowed at both ends or occasionally obtuse at the 

 base, glabrous or very nearly so on both sides, the midrib and primary veins prominent beneath ; 

 petiolules about 4-5 mm. long; panicles up to 25 cm. long, the branches spreading, strigulose; 

 flowers pedicelled; calyx saucer-shaped, about 7.5 mm. long, ciliate, the teeth acutish; petals 

 oblong, 3.8 mm. long, obtuse, sparingly strigillose toward the apex; staminal tube 3 mm. 

 ong, glabrous, shallowly crenate; ovary glabrous, 4-celled. 



Type locality: Thick, shady woods on low grounds in Acapulco or vicinity, Guerrero. 

 Distribution: Type locality. 



9. Guarea Tuerckheimi C. DC; Donn. Smith, 

 Bot. Gaz. 33: 250. 1902. 



A tree, the young twigs appressed-pilose, glabrate when old; leaves 15-20 cm. long, the 

 petioles and rachis puberulent with appressed hairs when young; leaflets 4-12, opposite, 

 short-petioluled, lance-elliptic, 9-14 cm. long, 4-5 cm. broad, long-acuminate at the apex, the 

 tip obtuse, acute at the base, glabrous above, pilose in the axis of the veins beneath; panicles 

 axillary, the branches appressed-pilose; calyx shallow, 4-toothed, puberulent with appressed 

 hairs; petals oblong, 5-6 mm. long, 1.5-2 mm. broad, sparingly pilose on the back with scat- 

 tered, appressed hairs; staminal tube 4-5.5 mm. high, glabrous; ovary oblong-ovoid, glabrous, 

 gradually tapering into the style, raised on a short gynophore; capsule subglobose, 1.5-2 cm. 

 :n diameter. 



Type locality: Cubilquitz, Alta Verapaz, Guatemala. 

 Distribution: Mexico and Guatemala. 



10. Guarea microcarpa C. DC. Bull. Herb. Boiss. II. 5: 420. 1905. 



A tree, the young growth appressed-pilose; leaves 14—25 cm. long, the rachis and petioles 

 minutely puberulent; leaflets 4-10, opposite, elliptic-lanceolate, 9-14.5 cm. long, 3.5-5.5 cm. 

 broad, acute at the base, acuminate at the apex, glabrous or nearly so on both surfaces and 

 rather finely and prominently reticulate- veined; inflorescence axillary, 4—7 cm. long; calyx 

 membranaceous, saucer shaped, the lobes suborbicular, acutish, glabrous; petals oblong, 

 5-6 mm. long, 2-2.2 mm. broad, acutish; staminal tube cylindric, glabrous, 5.5 mm. high; 

 ovary ovoid, glabrous, sessile on the disc; capsule subglobose, 17 mm. long, 1 5 mm. broad 

 (mature?), glabrous. 



Type locality: Forest of Trejos, Las Vueltas, Tucurrique, Costa Rica. 

 Distribution: Costa Rica. 



11. Guarea brevianthera C. DC. Smithson. Misc. 

 Coll. 68 6 : 1. 1917. 



A small tree, with grayish, glabrous branches; leaves S— 15 cm. or sometimes more long; 

 the rachis minutely puberulent; leaflets 4-6, elliptic, 10-14.5 cm. long, 4-5.5 cm. broad, 

 short-acuminate at the apex, acutish at the base, glabrous on both sides, reticulate-veined, 

 short-petioluled; panicle 7 cm. long, the branches 1 cm. long or less; pedicels shorter than 

 the stipe-like base of the calyx; petals 4, oblong, about 5 mm. long, 1.5 mm. broad, acute; 

 staminal tube cylindric, the margin crenate; ovary 4-celled, conspicuously 4-angled, abruptly 

 tapering into the slender style, the stigma orbicular, fleshy. 



