﻿Plants collected in South America 499 



about 5 mm. long, strongly curved ; bracts about 5 mm. long, 

 ovate, thickish : calyx 3 mm. broad, lobed nearly to the base, the 

 lobes narrowly ovate, obtuse or minutely apiculate : corolla white, 

 coarsely pilose at the base within, 6 mm. broad, lobed two thirds 

 of the way, the lobes ovate, obtuse : outer crown adnate to the 

 base of the filaments, of 5 lanceolate, long-acuminate, concave, 

 whitish, thin and delicate ligules, which are 3 mm. long, erect, re- 

 curved, and the apex again erect : the inner more highly adnate, 

 less than half as long, of 5 rigid broad scales, bearing a narrow 

 short apical appendage : gynostegium nearly sessile, broader above : 

 apical anther appendage hyaline, delicate, very broadly ovate, 

 erect : corpuscles not appendaged, broadly ovoid, obtuse, erect, the 

 pollinia ovoid; lightly compressed, pendulous, on nearly horizontal 

 slender caudiculae : stigmatic disk . 5 mm. broad, convex, fleshy- 

 thickened. 



Yungas, 4000 ft., 1885 (no. 2546). The same as Bang's nos. 

 2140 and 2845. Also collected by Pearce at Coroico, 5000-6000 

 ft., Feb., 1886. 



Ditassa arista* Benth. ex Fourn. in Mart. Fl. Bras. 6 4 : 247. 

 {Fide Britton). Mapiri, 2500 ft, May, 1886 (no. 1046). 



VlNCETOXICUM UNGUICULATUM (R. & P-) BrittOll. 



{Cyuanchum unguiadatiim R. & P. in Herb. Kew.) 

 Roughish-pubescent throughout, the hairs of the stem re- 

 trorse: stems stoutish, twining, much-branched,green, the internodes 



1.5-4 cm. long : petioles t>~7 mm - lon g' broad and stOUt ; blades 

 2-4 cm. long, 1-1.5 cm. broad, ovate, the base rounded, the apex 

 short-acuminate and acute, thick (and fleshy ?), substrigose above, 

 the hairs upon the veins underneath much longer and coarse : 

 flowers densely clustered in the axils, the stout pedicels at length 

 (and in fruit) 7 mm. long : calyx 3 mm. broad, divided two-thirds 

 of the way, the lobes narrowly ovate, acuminate and acute, the 

 sinuses broad, thick, brown : corolla 5 mm. broad, sub-rotate, 

 densely pilose within, white, divided two-thirds of the way, the lobes 

 ovate, obtusish ; crown adnate only to base of filaments, nearly as 

 long as the gynostegium, single, of 5 erect lobes which are broader 

 than long, penicillate at the apex, keeled, the edges of the two ad- 

 jacent meeting and turned outward, rigid : polhn.a small, but little 

 larger than the brownish corpuscle : fruit 6 cm. long, narrowly 

 lanceolate and acuminate, smooth. 



Unduavi, 8000 ft., Oct., 1885 (no. 1044) and Yungas, 4000 ft.. 



(no. 2 5 1 8). 



