102 



CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



0.25 mm. in diameter. Stiginatic head flat, starlike, about 1.4 mm. in 



0.6 mm. Ion 

 diameter. 



Follicles not known. 



El Salvador: Near San Salvador 



without further indications, Renson 313. 

 Marsdenia mollissima Fourn. in Mart. Fl. Bras. 64 : 322. pi. 95. 1885. Figure 10. 

 Leaves 5 to 10 cm. long, 3 to 7 cm. broad, the lower face whitish ferruginose with dark 

 veins; petioles 3 to 4 cm. long. Peduncles 2 to 5 mm. 

 long, provided at the base with a lanceolate bract, about 

 17 mm. long. Calyx lobeB ovate-oblong, decreasing 

 from outside inward, the exterior one 6 to 6.5 mm. long, 

 2 to 2.5 mm. broad, the inner one 4 mm. long, 2 mm. 

 broad. Tube of corolla 5 to 6 mm. long, yellow at the 

 base and provided near the same with 5 tufts of white 

 hairs, the purple throat covered with a whitish pu- 

 bescence; tips of the lobes yellow. Scales of the corona 

 thickly mucronate, about 2 mm. long, opaque and 

 blackish, lletinacles 0.17 mm. long, naviculiform; 

 0.33 mm. long; pollinia long-pyriform, 0.8 mm. long. Follicles not 



Fig. 10.— Translatorium of Mars- 

 denia mollissima. Scale 32. 



caudicles 

 known. 



Colombia: In hedges around Barranquilla (State of Bolivar), Pittier 1563, flowers, 

 June, 1906 (U. S. National Herbarium no. 600012). 



The above data are intended to complete Fournier'u description, which applies to 

 our plant in most details. This species had never been reported heretofore west of 

 Dutch Guiana. 



Marsdenia nicoyana Pittier, sp. nov. 



Figure 11. 



Fig. 11.— Flower parts of Marsdenia nicoyana and M. propinqua. Of former, a, part, showing calyx lobe 

 and ovaries; b, anther, from the back, with segment of corona; c, anther, front view; d, translatorium. 

 Of latter, e, translatorium. a-c, Scale 9; d, e, scale 32. 



A laticiferous vine, climbing but not voluble, with short, floriferous branchlets. 

 Stems woody, slender, with grayish bark. 



Leaves opposite, rather small, petiolate. Petioles slender, 2.5 to 3 cm. long. Leaf 

 blades elliptic-ovate, obtusely acuminate, 5 to 10 cm. long, 2 to 5 cm. broad, rounded 



