RusBY : South American Plants 151 



Species near /. argyrcia. 



Batatas cdulis Choisy Convolv. Or. 53. Mapiri, 5000 ft., Apr., 

 1886 (no. 1986). The same as Lechler's 2384. 



Quauiodita hcderifolia (L.) G. Don, Gen. Syst. 4 : 259 : {Ipomoca 

 hederifolia L. Syst. 925 [ed. 10]). Reis, 1500 ft., June, 1886 (no. 



1985)- 



Calonyction Bona-nox (L.) Boj. Hort. Maurit. 227 {Ipomoca 



Bona-nox L. Sp. ed. 2, 228). Guanai, 2000 ft., May, 1886 (no. 



ilpouwca Jictcroph 



A-er, July, 1886 (no. 1990). 



■opliylla (Orteg.) Choisy in DC. Prod. 9 : 344 

 "lla Ortcg. Hort. Matr., Dec. 9). Vic. La Paz, 

 looooft., Apr., 1885 (no. 1988) and Falls of Madeira, Brazil, Oct., 



1886 (no. 19S9). 



Jacquemontia sphaerostigma (Cav.) {Convolvulus sphacro- 

 stigma Cav. Ic. 5 : 54. /. 481.— Jacquemontia hirsuta Choi.sy in 

 Mem. Soc. Phys. Gcnev. viii, I (1838) G^,). Guanai, 2000 ft., 

 May, 1 886 (no. 1844). 



Jacquemontia mimniularia (Vahl) Choisy Mem. Soc. Ph)^s. 

 Genev. viii, i (no. 1838) 62 {Convolvulus nummulariaN2i}c\. Eclog. 

 Am. 2: 13). Tacna, Mar., 1885 (no. 2007). 



Jacquemontia densiflora sp. nov. 



Gray-puberulent throughout or the upper leaf-surfaces green : 

 branchlets slender: petioles 1.5-3 cm. long: blades 3-6 cm. 

 long, 2-4 cm. broad, ovate, acuminate and acute, cordate, with 

 broad or narrow sinus, entire, thin, the slender venation promi- 

 nent underneath : peduncles mostly exceeding their leaves, the 

 cymes 2-5 cm. broad, short-bifurcate, dense, exceedingly variable 

 as to the number of flowers, bracted A\ith linear attenuate bracts : 

 pedicels very short, sepals ovate, 5-6 mm. long, including the 

 long-attenuate tips : corollas (apparently purple) i cm. long, 

 broadly campanulate with a short tube, the stamens barely in- 

 cluded ; fruit globoidal, 3 or .4 mm. in diameter, brown, the 

 pericarp thin and delicate. 



Guanai, 2,000 feet, May, 1886 (no. 1845). Bang's no. 2849 

 is probably a more tomentellate form of the same. 



Convolvulus Bonaricnsis Cav. Ic. 5 : 54. t. 480. f. 2. Tacna, 



Mar., 1885 (no. 1996). 



Convolvulus laciniaius Desv. in Lam. Encyc. 3 : 546. Yungas 



r 



6000 ft, 1885 (no. 1S51). 



