MAPOUREA PALLESCENS sp. n. 
Glabrous; branchlets stoutish, the internodes 3-4 cm. long; 
stipules 7 or 8 mm. long, ovate with rounded apex, entire, brown, ca- 
ducous ; petioles about 1 cm. long; blades .75—1.5 dm. long, 4-8 cm 
broad,oval,both base and apex very slightly produced, but obtuse, 
thickish , very pale, the 10-12 pairs of — widely diverging and 
only slightly falcate-ascending ; peduncles 5 or 6 cm. long, erect, 
. long, I. i 
broad, the margin truncate, entire or barely sinuate; corolla 8 
mm. long, in bud obovoid-pyriform with truncate apex, the lobes 
3 mm. long, oblong, the apex rounded, in the bud slightly inflex- 
ed; filaments pps. in the pilose throat, very short, the anthers 
oblong, I.5 mm. long,a little surpassing the base of the lobes; 
style much us. its branches as long as the anthers, spatulate- 
oblong ; fruit not seen 
Between Tipuani and Guanai, Dec., 1892 (1675). Very near 
Schomburgk's Brit. Gui. 1708 B 
Mapourea? Apparently an undescribed species of this genus, 
but the specimens present only fruit in a very immature state. 
Between Tipuani and Guanai, Dec., 1892 (1693 and 1714) — 
Rusby's 1883. 
Mapourea sp.? A positive generic determination cannot be given 
in the absence of fruit. If a Mapourea, it is not published. 
Between Tipuani and Guanai, Dec., 1892 (1670). 
Psychotria cuspidata Bredem. ex R. &S. Syst. Veg. 5: 192. Be- 
tween Guanai and Tipuani, Apr.-June, 1892 (1713). Appar- 
ently = Rusby’s 2112. 
Psychotria flexuosa Willd. Sp. 1: 966. Between Tipuani and 
Guanai, Dec., 1892 (1653) — Matthews, Peru, 1488. 
Psychotria tabacifolia Muell. Arg. in Mart. Fl. Bras. 6: Part 5, 
236. Espirito Santo, 1891 (1204) = Rusby’s 1880, 
Psychotria tomentosa (Willd.) Muell. Arg. in Mart. Fl. Bras.6: Part 
5, 370. Between Guanai and Tipuani, Apr.-June, 1892 (1469) 
= Rusby’s 853, 854 and 855. 
Psychotria.—Between Tipuani and Guanai, Dec., 1892 (1649). A 
a determination of this plant must await the public ition 
of s 
Mo. Bot. Garden, 
: 1900. 
