MULFORD EXPLORATION OF THE AMAZON VALLEY 



321 



neiit, tlie secondaries about 5 on each side, reddish, brandling, 

 the ends strongly npcurved and connecting at some distance 

 from the margin. Fruits axillary, solitary, very short-pe- 

 duncled. Calyx coriaceous, brown or purple, the tube crateri- 

 form, tomentellate, 1.5 cm. broad, the limb about 5 mm. wide, 

 3-lobed, the lobes somewhat spreading, but mostly concave, often 

 irregularly notched at the summit, strongly reticulate-veined on 

 the outer surface. Berry about 1.5 cm. broad, depressed-globose, 

 smooth and shining, the summit lightly umbilicate and bearing 

 the short black style-base. Berry 6-celled, the cells 1-seeded. 

 Seeds elliptic-oblong, nearly 1 cm. long and half as broad. 



Without data as to locality or date, but probably on the 



lower Beni Kiver. 



Gentianaceae 

 Gentiana longipes 



Young stems, calyx, etc., minutely scabrellate. Stems sev- 

 eral to many, simple or sparingly branched, ascending, weak, 

 very slender, to about 1 dm. high, 4-angled or with 4 very nar- 

 row green Avings. Leaves few, sessile, 8 to 12 mm. long by nearly 



2 mm. wide, lance-linear, obtuse. Flowers solitary at the ends 

 of the stems, on long slender naked branches, blue or bluish, to 



3 cm. long, erect. Calyx-tube campanulate, at length 4 mm. long 

 and 5 mm. broad, bearing 8 green nerves or ribs, 4 stronger than 

 the others, the calyx-teeth about twice as long as the tube, lance- 

 olate, long and regularly acuminate, acute, ribbed or keeled. 

 Corolla 1.5 cm. long, parted nearly to the base, infundibular, the 

 lobes oblanceolate. Stamens 3 or 4 mm. long, the filaments 

 slender, nearly as long as the anthers, which are lanceolate and 

 sagittate, Avitli acuminate basal lobes and acute summit. Ovary 

 linear-oblong, more than 1 cm. long and 2 mm. broad, the stigma 

 sessile, capitate, 2-lobed. Pod 2 cm. long, 5 mm. wide, oblong, 

 or slightly wider toward the top. 



Chapare, near Cochabamba, 12,000 feet, M. Cardenas, March 

 28, 1922 {no. 76 special). "A rare herb, with bluish flowers, 

 growing in Azorella formation." 



Tetragonanthus Whitei 



(Fruiting specimens). Glabrous. Stems tufted, 5 to 10 cm. 

 tall, erect, rather stout, branching only at the summit, sometimes 

 reddish below, more or less winged above, the wings green. 



