104 



CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



inside, its divisions 10 mm. long from center, narrowly lanceolate, acuminate, alter- 

 nating with small, tongue-shaped, pale glands. Corolla subcampanulate, pubescent 

 outside, woolly inside, pale yellow, with spreading divisions, these 12 to 14 mm. long 

 from insertion on tube, broadly lanceolate with more or less twisted tips. Outer corona 

 5-lobulate, inconspicuous; inner corona formed of 5 trapezoid brown scales, lying 

 flat against the gynoategium and each bearing an inner radial lamella. Gynostegium 

 stipitate; anthers broad, with horizontal cells, and covered with a thin membrane, 

 extended exteriorly in a broad but short lobe. Retinaculum scutelliform 0.30 mm. 

 broad; caudicles horizontal or subpendulous; pollinia elaviform, 1.5 mm. long. Ova- 

 ries glabrous, subglobose; styles about 2.5 mm. long, connate for their upper half; 

 stigma about 4.4 mm. in diameter, star-shaped, smooth, with a little knot) in the 

 center, corresponding with the stigmas. 



Follicles large (10 to 12 cm. long, 5 cm. thick), fusiform, with 5 longitudinal wings. 



Costa Rica: Endrcs 213, type in Kew Herbarium; hedges around San Francisco 

 de Guadalupe, altitude 1,270 meters, Tonduz, flowers, May, 1893 (Institute fis. geog. 

 Costa Rica no. 8003; U. S. National Herbarium no. 471846); same locality, Tonduz, 

 flowers, July, 1894 (Institute fis. geog. Costa Rica no. 8897; U. S. National Herbarium 

 no. 334001); San Jose, 1,100 meters, Donnell Smith 6651, flowers, May, 1896. 



The fruits of this species, known by the name of "cuayote" or "guayote" among 

 the natives, are edible when still tender. 



Fig. 13.— Flower iincl flower parts of Gonolobus magnifolius. a, Flower; b, traiislatorium; c, gynostegium, 

 from above; d, stigma, a, Natural size; b, scale 21; c, d, scale about (>. 



Gonolobus magnifolius Pit tier, sp. nov. Fioure 13. 



A vine with round, slender, lignose, hairy, little ramified stems. 



Leaves very large. Petioles rather thick, 10 to 18 cm. long, hairy, sulfate. Leaf 

 blades cordiform, acuminate, 21 to 24 cm. long, 18 to 22 cm. broad, deep green and 

 pubescent above, brownish and thickly hairy, principally on the prominent veins 

 underneath, beset with numerous setaceous glands at the insertion on the petiole. 



Inflorescences cymose, axillary, unilateral, loose, with or more large flowers open- 

 ing in succession. Peduncles, pedicels, and bracteoles densely hairy; peduncles 

 thick, 5 to 8 cm, long; pedicels 5 to 6 cm. long when fully developed, provided with 

 basal bracteoles, linear-lanceolate, 8 to 10 mm. long. Calyx deeply incised; lobes 

 ovate, 12 mm. long from center, 8 mm. broad, thickly hairy outside, pubescent inside, 

 alternating wit h 5 rat her large, brownish , transparent glands. ( 'orolla large (38 to 40 mm . 

 in diameter), flat, greenish yellow, finely reticulate, pubescent outside, glabrous inside; 

 lobes ovate, 8 to 10 mm. long from the sinuses, 10 to 12 mm. broad. Outer corona 

 obtuse, but forming a conspicuous ring about 9 mm. in diameter around the inlerior 

 parts, at the throat of the corolla; inner corona thick, torulose, dark brown and bearing 

 5 lamellar, rounded tips standing erect against the stamens. Gynostegium equaling 



