150 Rushy : South American Plants 



Ipoiiioca macrocalyx R. & P. Choisy in DC. Prod. 9 : 362. 

 Guanai, 2000 ft., May, 1886 (no. 2056), and June. Rivers Bcni 

 and Madre de Dios, August, 1886 (no. 205). The same as Math- 

 cw's 1332 from Mayobamba. 



IpoDioca sidacfolia Choisy, in Mem. Soc. Phys. Gencv. 6 : 459. 

 i^lZ- (If this is a synonym of Convolvulus donnngcnsis Dess. in 

 Lam. Encye. 3 : 554, of which I cannot satisfy myself, it should 

 carry that specific name under Ipouwca). Beni River, July, 1886 

 (no. 1998). 



Ipovioca unibcllata L. Syst. Ed. 10 : 924. Guanai, 2000 ft., 

 May, 1886 (no. 1 991). 



Ipoiuoca carnca Jacq Enum. PL Carib. 13 ; Select. Am. 26. 

 Unduavi, 8000 ft., October, 1885 (no. 1992). 



Ipomoea filipedunculata sp. nov. 



Glabrous, very slender : petioles 2 cm. long, very slender ; 

 blades ^-6 cm. long, 2-3.5 cm. broad, broadly ovate, shallowly 

 cordate, abruptly acuminate ; entire, thin, dark-green : peduncles a 

 little stouter than the petioles, 2.5-3 cm. long, about 6-flo\vered ; 

 pedicels very slender, mostly 5 mm. long ; buds lance-ovate, acute : 

 sepals broadly ovate, the outer acutish, 5 mm. long, the inner blunt 

 and a little shorter : corolla 1.5-2 cm. long, apparently purplish, 

 the mouth little expanded : material for dissection wanting. 



Guanai, 2000 ft., May, 1886 (no. 1997). 



L 



Ipomoea opulifolia sp. nov. 



Sericeous throughout, including the corollas in fruit, the leaves 



glabrous on the upper surface, and twice as large : branches stout 

 or stoutish : petioles rather slender, in flower ^-^ cm., in fruit 7-10 

 cm. long : blades, in flower, 7-10 cm. long, and about as broad, 

 shallowly cordate with the base slightly intruded upon the sinus, 

 deeply 3-lobed, the lateral lobes acuminate and acute, lightly fal- 

 cate, entire or with one lobe upon the lower side, the terminal 

 broadly ovate (apex not seen) entire or with a pair of lobes ; pedun- 

 cles stout or stoutish, longer than the petioles, shorter than the 

 leaves, about 5-flowered : pedicels 1-2 cm. long : calyx i cm. long, 

 or in fruit 1.5 cm., the outer ovate, acutish, the inner oval, slightly 

 mucronate, i -nerved : corolla (palc-red ?) 6 cm. long: fruit glo- 

 boidal, 1.5 cm. in diameter, blackish-brown, nerved. 



Guanai, 2000 ft. May, 1886 (no. 1999), in fruit. Description 

 of flowering plant taken from Mr. Bang's no. 2506. 



