124 Watson: THE GENUS HELIOCARPUS 
15. HELIOCARPUS POPAYANENSIS H. B. K. Nov. Gen. 
Sp: Si3qr. 1821 
Hi. trichopodus Turcz., Bull. Soc. Nat. Moscou 31: 226. 1858. 
H. americanus var. popayanensis Schum. in part in Martius, 
Fl. Bras., 12: 141, 1886. 
H. popayanensis var. grandifolius Hochr. Ann. Conserv. Jard. 
Bot. Genéve 18-19: 116. 1915. ‘ 
H. popayanensis var. Schumanni Baker, Jour. Bot. 36: 132. 1898. 
H. popayanensis var. Purdiei Baker, |. c. 
H. popayanensis var. trichopoda Baker, |. c. 
Large tree; young stems and branches of the panicle and 
petiole usually densely flocculent-stellate, but often only hirsute 
leaves 16-20 cm. long, 13-18 cm. wide, minutely and sparsely 
stellateabove, more so on the nerves, and usually with long, ap- 
pressed hairs, lower surface, densely appressed-stellate, the prin- 
Type: in Bonpland Herbarium, Paris, number not mentioned; 
Holton 770, Magdalena, Colombia; Triand, Bogota, Colombia; 
Rose & Rose 23518, Ventura, Ecuador: Bang 1455, Bolivia 
(type of var. grandifolius); Fendler 1277, Venezuela; Cowell, 
270, 271, Panama; Spruce, eastern Peru. 
his is a very variable species, and of wide geographical 
distribution. The variability of the leaves is observable in 
those of thesame tree. The northern representatives are usually 
smoother than those from the Vicinity of Popayan. 
16. Heliocarpus australis E. E. Watson, sp. nov. 
H. americanus var. typica Schum. in part in Martius, FI. 
Bras. 12: 141. 1886. 
_ Probably a tree; young stems very smooth, branches of the 
panicle hirsute and finely appressed-stellate; leaves ovate-lance- 
olate, integral, very rarely lobed, base round, three-nerved, 
upper surface minutely stellate, older leaves almost glabrous, 
dark, lower surface thinly, appressed-stellate, but conspicuously 
