PITTIER—REVISION OF THE GENUS INGA. 209 
Costa Rica: (Besides type) Aragén, near Turrialba, flowers, October, 
1894, Pittier (Inst. Fis. Geogr. Costa Rica, no. 9041). Las Vueltas 
de Tucurrique, in pastures, flowers and fruits, April, 1892, Tonduz 
(Inst. Fis. Geogr. Costa Rica, no. 138055). 
This differs from Inga pittieri, with which it has been confused, in the 
pubescence of the leaves, the long-stipitate glands, the larger flowers, and the 
flat, compressed fruits. From J. rodrigueziana and I. preussii it is distinguished 
by the persistent stipules, the stipitate glands, the thicker pubescence, and 
the size of the flowers. 
This species is named for Mr. Ot6n Jiménez Luthmer, an enthusiastic young 
botanist of Costa Rica. 
Inga rensoni Pittier, sp. nov. 
A tree; branchlets terete or subangulate, sparsely lenticellose, the younger 
parts densely fulvous-hairy. 
Rachis of the leaves densely fulvous-hairy, winged, 8 to 12 cm. long, the 
petiolar part subalate, marginate, or terete, 2 to 2.5 cm, long; stipules ovate 
or oblong, obtuse, fulvous-pubescent, 6 to 12 mm. long, subpersistent; leaflets 
mostly 4-jugate, oblique, petiolate, coriaceous; glands subsessile, transversely 
ovate or irregular, concave or flat; petiolules densely fulvous-hairy, 2 to 3 mm. 
long; leaflet blades ovate or ovate-lanceolate, rounded at the base, acute at 
the apex, more or less pubescent and sublustrous above, the costa and impressed 
veins densely fulvous-hairy, reticulate and tomentose-pubescent beneath, with 
very prominent venation, the blades of the basal pair 6 to 8 cm. long, 2.5 to 
3.5 cm. broad, those of the terminal pair 10 to 13 cm. long, 5 to 6 cm. broad. 
Inflorescences single in the axils of the leaves, the peduncles 2 to 2.5 cm. 
long, fulvous-hairy, subangulate, the flower heads ovoid or elongate; bractlets 
conspicuous, linear-lanceolate to ovate, acute, pubescent without, subpersistent, 
10 to 22 mm. long, the basal ones 8 mm., the upper ones 2 mm. broad; flowers 
sessile; calyx tubular, irregular in length, 14 to 22.5 (18.6) mm. long, striate, 
sparsely appressed-pubescent, often substipitate, the teeth linear, reflexed, 8 to 
9.5 mm. long; corolla tubular, silky-villous, 21 to 22 mm. long, the lobes obtuse, 
8 to 4 mm. long; staminal tube included, the stamens about 5 cm. long; ovary 
glabrous, sessile, about 4 mm. long, 4-sulcate; style capitellate. 
Legume glabrous, short-pedunculate (the peduncles thick, 3 to 5 mm. long), 
substipitate, about 18 cm. long, the valves flat or concave, 3 to 3.5 cm. broad, 
more or less adnate at the pointed apex, the margins concave, broadly 2-sulcate, 
1 to 2 cm. broad. 
Type in the U. S. National Herbarium, no, 399534, collected in the vicinity of 
San Salvador, El Salvador, in coffee plantations, by C. Renson (no. 239). 
This species differs from Inga preussii in the pubescence, in the length of the 
peduncles and calyx, in the shape of the fruits, and in the conspicuous bractlets. 
It is named for Dr. Carlos Renson, its discoverer, in recognition of his interest 
in the Salvadorean flora. 
Inga rodrigueziana Pittier, sp. nov. 
A tree; branchlets terete or subangulate, the bark grayish, lenticellose, the 
young parts densely ferruginous-pubescent. 
Rachis of the leaves winged, densely ferruginous-pubescent, 13 to 19 cm. 
long, the petiolar part terete or submarginate, 4 to 4.5 cm. long, the wings 
narrow, shorter than the space between the leaflets; stipules ovate, obtuse, 
pubescent without, about 7 mm. long and 4 mm. broad, caducous; leaflets 3 or 
4-jugate (usually 8-jugate), large, oblique, coriaceous, petiolulate, the pairs 
about 5 cm. distant; glands subsessile, flat at the apex, with a Nght rim and 
