MUUORD EXPLOKATlOiX OF TUK AMAZON VALLEY 



267 



sti]nil('s nor stii)ellae seeiL J'ctiolcs about as long as the racliis. 

 Leaflets 5, the petiolules 2 or 3 mm. long. Blades 4 to 6 cm. long, 

 2 to 3 cm. wide, ovate, with regularly rounded base and very 

 abruptly sliort-acuminate and obtuse sununit, entire, coriaceous, 

 deep-green, somewhat shining above, the midrib very strong be- 

 neath, the principal secondaries 8 or 10 on a side, with inter- 

 mediates, the venation finely and strongly anastomosing, promi- 

 nent beneath. Panicles or racemes terminal and in the upper 

 axils, short, densely fruited. Pedicels 2 to 4 cm. long, stout. 

 Persistent calyx about 2 mm. long, campanulate, the teeth short 

 and broad, the stout stipe 7 or 8 mm. long. Legume 5 or 6 cm. 

 long, Lf) cm. broad, obliquely curved at about one fifth of its 

 length from the base, the widest portion about a half wider than 

 the narrowest, which is at the point of curvature, the margin nar- 

 rowly and sharply thickened all around; rich-brown in color, 

 puberulent when young, strongly reticulate-veined, the reticula- 

 tion much finer at the base. 



Keyes, 1,000 feet, H. H. Rushy, November 12, 1921 {no. 1716). 

 A medium-sized tree of the pampas. Also collected as a shrub 

 on the margin of Lake Rogagua, October 31, 1921 (no. 1370). 



Platymiscium fragrans 



(Fruiting specimens.) Finely tomentellate, the leaves 

 minutely puberulent beneath. Branchlets slender, terete, leafy, 

 roughened with elevated lenticels. Stipules and stipellae not 

 seen. Leaves petiolate, the petiole shorter than the rachis, both 

 slender, terete, the leaflets mostly 7 or 9, opposite. Petiolules 3 

 or 4 mm. long. Leaflets 4 to 8 cm. long, 2 to 4 cm. wide, oblong- 

 ovate, with regularly rounded base and acute, short-aristate sum- 

 mit, entire, thin, bright-green, glabrous above, puberulent on the 

 veins beneath, the midril) minutely verrucose, the secondaries 10 

 to 12 on a side, slender, spreading at about 45 degrees, lightly 

 curved, the venation loosely reticulate. Racemes axillary, pe- 

 duncled, short, bearing few fruits. Pedicels 1 mm. long. Per- 

 sistent calyx 3 mm. long, campanulate, the triangular-ovate, 

 acute teeth unequal, thick and rigid. Stipe of legume about 5 

 mm. long. Legume (immature) about 4 cm. long and half as 

 broad, oblong or oval, nearly equilateral, with acute base and 

 minutely apiculate summit, very thin, light-brown, puberulent, 

 strongly reticulate-veined. 



Rurrenabaque, 1,000 feet, 21/. Cardenas, January 8, 1922 {no. 

 2033). " A large tree in cultivated ground. In drying, it smells 

 like Coca leaves." 



