30 
Inga marginata Willd. Sp. 4: 1015 (excluding the synonymy). 
Espirito Santo, 1891 (1179). Also collected. by Pearce at 
Coroico. 
Inga heterophylla Willd. Sp. 4: 1020. Between Guanai and Tipu- 
ani, Apr.-June, 1892 (1421). 
INGA PALLIDA sp. n. (Sect. Euzzga). . 
Ferruginous-tomentose, the branchlets rather slender, the in- 
ternodes 4 to 8 cm. long; stipules lanceolate, caducous ; petioles 
two-thirds the length of the internodes, about equalling the inter- 
nodes of the rhachis, stout, quadrangular; leaves tri-jugate, the 
petiolules nearly as broad as long, the leaflets 1-2 dm. long, 3-6 
cm. broad, the upper successively larger, lance-oblong, inequi- 
lateral, with subcuneate base and abruptly acuminate apex, above 
strongly reticulate ; spikes axillary (mostly 3) strongly peduncled, 
unequal, the longest mostly exceeding the rhachis of the leaf, 
dense above, slightly interrupted below, about 1.5 cm. thick; 
bracts poe nearly as long as the calyx; calyx tubular-campanu- 
late, 3 mm. long, the teeth 1 mm. long, pni triangulate ; 
corolla infundibular, 5 mm. long, the lobes 1 mm. long, triangu- 
late; stamens about twice the length of the corolla, united to 
about the middle; stigma inconspicuous ; fruit not seen 
Espirito Santo, 1891 (1165). 
ROSACEAE. 
Hirtella Americana Aubl. Pl. Guian. 1: 247. Between Guanai and 
Tipuani, Apr.-June, 1892 (1468)—Rusby's 1311. 
Prunus Brittoniana Rusby, Mem. Torr. Bot. Club, 3:(3) 24. Vic. 
Sorata, Nov., 1892 (1619)—821, also Mandon's 677 and 
Spruce's 5992. 
PRuNUS PEARCEI sp. n. (Sect. Padus). 
Branches slender, blackish, the internodes 3 to 4 cm. long; 
blades 1-2 dm. long, 4-8 cm. broad, oval, the smaller varying 
to ovate, the larger to obovate, slightly and betray pointed, the 
base rounded and obscurely produced, entire, strongly revolute, 
coriaceous, both surfaces pale, glabrous, slightly shining, the mid- 
rib prominent and deeply but narrowly channelled above, more 
prominent underneath, the primaries about 5 to 8 pairs, imper- 
fecty opposite toward the base, obscure above, prominent under- 
neath, coarsely anastomosing by the secondaries ; racemes solitary 
