448 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Pio. 74. — Sterculia carthagenensis, 

 gynophorum. a, Specimen from 

 Costa Rica (Pittier 2025); b, from 

 Santa, Marta, Colombia (H. H. 

 Smithim). Scale 3. 



straight, multicellular hairs, or else broadly shallow salver-form, about 1 mm. deep 

 and then covered with the same long glandular hairs found on the androphorum; 

 stamens crowded, 7 or 8 in the first form, 12 to 15 in the second, biseriate, short- 

 stipitate or sessile; rudiment of ovary small, 5-winged, glabrous; stigma 5-lobulate, 



yellow. Calyx of the female flower same as in the 

 male one, but often larger; gynophorum 6 to 7 mm. 

 long, otherwise like the androphorum; staminal tube 

 ehallow-cupuliform and broad, about 3 mm. in dia- 

 meter and bearing 12 to 16 more or less distinctly 

 biseriate stamens, alternately 2 short and 1 long, 

 stipitate (that is to say, in the case represented in 

 figure 73a, a', 10 in the outer or lower series and 5 in 

 the inner series). 

 Ovary globose or 

 ovoid, about 2 

 mm. in diameter, 

 covered as is the 

 style with a dense 

 growth of penicil- 

 late hairs, and composed of 5 free, erect, 2 to 5- 

 ovulate carpels; style reflexed, about 4 mm. long; 

 stigma capitellate, more or less flat-conical and 

 rounded at tip, obscurely 5-lobulate. Carpids 5, 

 reflexed on a thick peduncle, 20 cm. long, obovoid, 

 about 6 cm. long and 4 cm. thick, glabrescent, 

 opening on the upper (ventral) suture, coated 

 inside with a dense layer of erect, stiff, yellowish 

 prickly hairs over 2 mm. long, and containing two 

 to four black seeds. Seeds ovoid, about 2 cm. 

 ongand 1.3 cm. in diameter; episperm thin, shiny 

 black, covered also with stiff, little adhesive, prickly hairs and followed inside by a 

 layer of greasy, soap-like substance. 



Colombia: Forests around Cartagena (type locality), Jacquin, local name cama- 

 jonduro; same locality, Triana; Calamar, Triana; Santa Marta (Magdalena), alt. 165 

 meters, flowers, February, H. II. Smith (U. S. National Herbarium) ; around Rio Frio, 

 Pittier, local name camajuril; around Barranquila, Pittier. 



Panama: Around Panama City, Seemann, Hayes 

 (local name panama). 



Costa Rica: Puntarenas, on the Pacific coast, 

 Biolley, flowers, February, 1907; Pittier 2025 (U. S. 

 National Herbarium no. 578423); also on the At- 

 lantic coast, seen at Chirrip6 farm, Zent Plains, in 

 the forest, and elsewhere, Pittier; local name 

 panama" (Pittier). 



Nicaragua: Without precise locality, but on 

 the western coast C. Wright (U. S. National Her- 

 barium no. 12983); Granada, Baker 2441, flowers, 

 February 17, 1903 (IT. S. National Herbarium no. 

 398767). 



Salvador : Around Sonsonate, alt. 100 meters, 

 Renson, young flowers (U. S. National Herbarium no. 399532); local name castafio 

 (Pittier). 



Guatemala: Naranjo (Escuintla), alt. 100 meters, flowers March 29, 1892, Donnell 

 Smith 2545 (U. S. National Herbarium no. 12982). 



Fig. 76.— Sterculia carthagcnerwis, floral 

 details, a, Stamens; b, rudiment of 

 ovary on androphorum; r, d, cross sec- 

 tions of ovary, a-r. Material from 

 Santa Marta, Colombia; d, from Costa 

 Rica. Scale C. 



Fig. 76.— Sterculia carthagenensis, hairs 

 of calyx and androphorum. a, One 

 of the penieillate hairs covering the 

 calyx and other parts; b, glandular 

 hairs found on the androphorum. 

 "Scale 1G. 



