PITTIER—-MIDDLE AMERICAN SPECIES OF LONCHOCARPUS. 51 
Section 2. SPONGOPTERI. 
Legume recurved on the carinal margin; leaflets usually 5, not reticulate, minutely 
cano-pubescent on the lower face................05..+5- 4. L. peninsularis. 
Legume flat; leaflets more or less tomentose or (in L. nicoyensis) minutely grayish- 
pubescent. 
Vexillar margin of the legume manifestly broadened; leaflets usually 5, broadly 
ovate and obtusely acuminate, minutely pubescent beneath. 
5. L. nicoyensis. 
Vexillar margin of the legume thin and narrow; leaflets ovate, rounded or emar- 
ginate at the apex, more or less tomentose. 
Leaves 5 or 7-foliolate, the leaflets broadly ovate, up to 12 cm. long; bract- 
lets long, linear; calyx ferruginous-tomentose. 
6. L. costaricensis. 
Leaves 7 to 13-foliolate, the leaflets ovate or oblong; bracts and bractlets 
ovate, very small; calyx pubescent. 
Legume broadly ovate-lanceolate, 1 to 3-seeded, 7 to 11.5 cm. Jong; 
leaflets (7 to 11) ovate, 3 to 6.5 cm. long, 2 to 4 cm. broad, the veins 
deeply immersed.................---..--- 7. L. eriocarinalis. 
Legume ovate, 1-seeded, about 4 cm. long; leaflets (7 to 13) oblong, 2 to 
4.5 cm. long, 1.5 to 2.5 cm. broad, the veins not deeply im- 
mersed.........0- 0-22 e eee eee eee eee eens 8. L. jaliscensis. 
Series 2. PLANINERVI. 
Section 1. Puncratt, 
Leaves, inflorescences, and young branchlets more or less pubescent. 
Peduncles of the flowers about 13 mm. long, the pedicels half as long; bractlets 
distant from the calyx; claw of the standard 1.5 mm. long. 
9. L. longipedicellatus. 
Peduncles of the flowers 4 to 5 mm. long, the pedicels 6 to 7 mm.; bractlets close 
tothe calyx; claw of the standard 3 to3.5 mm. long.. 10. L. michelianus. 
Leaves, inflorescences, and branchlets glabrous. 
Leaflets 11 to 15. Petals punctate; ovules 7 or 8........ 11. L. longistylus. 
Leaflets 5 to 11. 
Legume quadrate-lanceolate, 1-seeded, about 10 cm. long and 4 cm. broad; 
leaflets ovate or obovate, up to 11 cm. long...... 12. L. chiricanus. 
Legume smaller, lanceolate; leaflets smaller. 
Petals densely spotted; ovules 7 to9. (Venezuelan.)... L. punctatus. 
Petals not spotted; ovules 3 to 5. 
Legume long-stipitate, 1-seeded; leaflets membranous; basal lobules 
of the standard long and rounded; ovules 3 or 4. (West 
Indian.)................ sceeeee L. benthamianus. 
Legume short-stipitate, 1 or 2. seeded, the seeds far apart; leaflets 
coriaceous; basal lobules of the standard much reduced; 
ovules 5...........-.-------------- 13. L. proteranthus. 
Section 2. EPUNCTATI. 
Leaves more or less pubescent. 
Ovules 2 or 4; leaflets strongly reticulate beneath. Petals purple, densely fer- 
ruginous-pubescent without. 
Ovules 2; standard 11 to 11.5 mm. long, with a large yellow spot at the base, 
the other petals unicolored................ 14. L. luteomaculatus. 
Ovules 4; standard 8.5 mm. long, unicolored, the other petals minutely 
yellow-spotted..............0..2 2. eee cece eee eee 15. L. purpureus. 
