284 NORTH AMERICAN FLORA [Volume 25 



at the apex, with the tip obtuse or aeutish, hispidulous especially on the midrib and lateral veins 

 beneath, more or less hispidulous above on the impressed midrib, the lower leaflets smaller 

 and occasionally broadly elliptic or oval; panicles subterminal, 8-19 cm. long; flowers short- 

 pedicelled, the pedicels 1-2 mm. long, hispidulous; calyx 5-parted, the lobes lanceolate to 

 lanceolate-ovate, 1.5-2 mm. long, about 1 mm. broad, acute, hispidulous on the back; petals 

 5, oblong-lanceolate to oblong-ovate, 3-3.5 mm. long, 1.5-1.8 mm. broad, imbricate in bud, 

 hispidulous on the back; stamens 10, the filaments united at the base, hispidulous; anthers 

 ovoid, acute, loosely hispidulous; ovary 3-celled, densely hispidulous; style short; stigma 

 capitate. 



Type locality: Guatemala. 



Distribution: Guatemala, Salvador, Costa Rica, and Panama. 



19. Trichilia acutanthera C. DC. Bull. Herb. Boiss. II. 

 5: 422. 1905. 

 ITrichilia izabalana Blake, Contr. U. S. Nat. Herb. 24: 10. 1922. 



A tree; twigs puberulent, glabrous in age; leaves odd-pinnate, 2.5-3 dm. long; petioles 

 4—7.5 cm. long, terete, puberulent; leaflets 7-9, alternate or subopposite, oblanceolate to 

 elliptic-obovate, 12-15 cm. long, 4-5.5 cm. broad, acute and equilateral or nearly so at the base, 

 shortly obtuse-acuminate at the apex, glabrous above, the midvein and lateral veins impressed, 

 puberulent beneath, petioluled, obscurely pellucid-dotted; panicle axillary, 5-12 cm. long, 

 the branches strigillose; flowers pedicelled; calyx deeply 5-cleft, the lobes triangular-ovate, 

 strigillose; petals 5, oblong-elliptic, acute or aeutish at the apex, strigillose on the outside, 

 3-3.5 mm. long, 1.5-2 mm. broad; stamens S or 10, the lobes truncate at the apex, hirsute; 

 anthers short-ovoid, apiculate, cordate at the base, hirsute; ovary globose-ovoid, hirsute; 

 style short, glabrous; stigma subglobose. 



Type locality: Diquis, Costa Rica. 

 Distribution: Costa Rica; ?Guatemala. 



20. Trichilia obtusanthera C. DC. Bull. Herb. Boiss. II. 



5: 423. 1905. 

 ITrichilia Tondusii C. DC. Bull. Herb. Boiss. II. 5: 423. 1905. 



A tree, with glabrous branches; leaves odd-pinnate, 3-3.6 dm. long; petioles and rachis 

 terete or nearly so, puberulent; leaflets 7, opposite, oblong-lanceolate or oblanceolate, 14-16 cm. 

 long, 4—5.5 cm. broad, the lower leaflets smaller, acuminate at the apex, acute and equilateral 

 at the base, puberulent on the midvein above and below, short-petioluled, minutely pellucid- 

 dotted; panicles axillary, about equaling the petioles, the branches puberulent; flowers short- 

 pedicelled; calyx 5-lobed, the lobes acute; petals oblong-elliptic, 3 mm. long, acuminate at 

 the apex, appressed-puberulent on the outside; staminal tube deeply lobed, the lobes obtuse 

 at the apex, hirsute; anthers ovate, hirsute; ovary sessile, hirsute; style short; stigma capitate. 



Type locality: Forests of Rio Naranjo, Costa Rica. 

 Distribution: Costa Rica. 



21. Trichilia oaxacana Blake, Contr. Gray Herb. 53: 58. 1918. 



A tree or shrub; leaves equally pinnate, about 3.S dm. long, the petioles and rachis puberu- 

 lent; leaflets 8, the lateral subopposite, the terminal pair opposite, oval or somewhat obovate- 

 oval, 14 cm. long, 6 cm. broad, the lower ones somewhat smaller, all acuminate at the apex, 

 inequilateral and rounded or aeutish at the base, dark-green and glabrous above, the midrib 

 impressed, paler beneath and glabrous at maturity, the midrib and lateral veins prominent; 

 inflorescence about 2.S dm. long, the branches puberulent; calyx 5-toothed, 2.5 mm. in diame- 

 ter, strigillose, the lobes triangular, ciliate; petals oblong-elliptic or elliptic-obovate, ciliate; 

 staminal tube lobed to the middle or below, the lobes pilose; anthers ovoid, 0.6 mm. long, 

 pilose; ovary subglobose, densely hirsute; style short, nearly glabrous; stigma capitate. 



Type locality: Oaxaca. 



Distribution: Mexico. 



