2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 60 



beginning below middle of the plant, lowest ones very long, becoming 

 successively shorter, not clustered ; ends of branches very hairy, hairs 

 retained on under side of old branches. Leaves 3- to 5-lobed like Up- 

 land cotton ; lobes ovate acute ; hairy on the main veins above ; leaf 

 nectaries variable, rhomboidal or cuneate. Stipules not prominent, 

 broad, persistent. Involucral bracts, large for the genus, nearly orbi- 

 cular in outline ; lacinise 12-17, tne longest 2-2.5 cm -> verv na i r y on the 

 margins ; nectaries at end of pedicle 3, large, deep, cuneate, very 

 active at anthesis. Bractlets not present. Calyx adpressed to corolla, 

 deeply 5-lobed, the lobes often trifid, the divisions subulate, the middle 

 one nearly twice as long as the calyx tube ; external nectaries usually 

 3, broadly triangular, smooth ; floral nectary narrow, the hairy band 

 not conspicuous. Flower buds well protected by calyx until anthesis, 

 and young bolls protected for several days. Petals medium sized, like 

 those of Upland cotton, very pale yellowish white, no red spots on the 

 claws. Bolls 5 cm. long, conical, long and sharply pointed, usually 

 3-locked, not opening well ; valves thin, but tough and woody, when 

 old recurving with strong hooked points ; black glands on bolls 

 numerous, but well below the surface and obscure. Seeds 7-9 per 

 lock, free, black, without fuzz except for tuft of white hairs at pointed 

 end. Lint abundant, white, strong, fine, soft, 3 cm. long. 



Perennial ; growth and fruiting continuous except in wet, cold 

 weather and late, cold spring. Crop mostly borne on extra-axillary 

 fruiting branches. 



Type in U. S. National Herbarium, No. 691080 ; grown in Miami, 

 Fla. (Lewton, No. 1007), July 24, 1908, from seed obtained at Rubel- 

 zul, Finca Trece Aguas, Alta Verapaz, Guatemala, by F. L. Lewton in 

 May, 1906. 



Specific name from elpyuahi-, as the species appears to be con- 

 fined to the province of Alta Verapaz. 



