ha-pe'-ta-ke, when on hunting trips, often place a few of 
these seeds in the mouth for the sweet taste. There is 
apparently no other use made of the plant in the Vaupés. 
CotomsiA: Vaupés, Vaupés River, near confluence of Unilla and 
Itilla Rivers, at ‘Las Bocas,’’ alt. c. 200 m., in forest. Treelet 12 
ft. tall. Bark grey and brown mottled or black, thin. Basal diameter 
14-2 inches. Fruit cauline, pure white, 9-ribbed with two fringes 
deeply fimbriated on each rib. Inflorescence in fascicles. Stems have 
strong odor of cyanide. Leaves firmly papyraceous. Seeds with ver- 
million aril, Flowers cream-white. January 138, 1944, R. EF. Schultes 
5728 (Tyre in Econ. Herb. Oakes Ames); Vaupés River, Puerto Naré. 
Small treelet 18 ft. tall. Basal diameter 3 inches. Bark smooth, brown. 
Fruits pure snow-white. Seeds numerous, brownish yellow with bril- 
liant orange aril. ‘“Cacao blanco,’’ cacaoito.’’ Karijona: ‘‘ha-pe/-ta- 
ke,’’ April 10, 1943, R. EF. Schultes 5378. Ibid. Flowers white. Tree- 
let 11-15 ft. tall. Basal diameter 3 inches. April 10, 1943, R. EF. 
Schultes 5366; Vaupés River, near Miraflores, February, 1944, G. 
Gutierrez V. 797. 
LORANTHACEAE 
Phthirusa magdalenae (Cham. & Schlecht.) Eichler 
ex Martius Fl. Brasil. 5, pt. 2 (1866-68) 55. 
This parasite is very commonly found attacking Hevea 
trees in the Upper Apaporis Basin. 
Cotompia: Vaupés, Upper Apaporis Basin, confluence of Ajaju and 
Macaya (Puerto Hevea), forest, alt. ca. 900 ft., July 23, 1944, R.E. 
Schultes 5641. 
MoracRkaE 
Castilla Ulei Warb. forma lecithogalacta R. L. 
Schultes forma nov. 
A Castilla Ulei foliis amplioribus, subtus densus mol- 
liter ferrugineo-tomentosis, margine integris sine setis 
denticulatis, fructibus multo majoribus (diametro paene 
<2 ad 24), fructuum bracteis apice longissime (4 mm.) 
acuminatis, cortice fere albo, vulgo tenuiore, latice luride 
flavo-luteo differt. 
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