COLLECTED IN SOUTH AMERICA, 1885-1886 313 



point: petioles 1.5—3 cm - l° n g> slender: blades 3— 6 cm. long 1.5— 

 3 cm. broad, ovate, subrotund at the base, short-acuminate and 

 acute, sharply serrate, thickish, strongly 3 -nerved from the base, 

 above finely bullate with the impressed venation, the venation 

 prominent underneath : spikes simple, sessile or short-peduncled, 

 5—8 cm. long, 3 or 4 mm. thick, the rachis slender, pilose, the 

 flower-clusters dense, rather closely disposed : fully expanded peri- 

 gone 3 mm. broad, divided nearly to the base, transparent, brown- 

 ish, the segments triangular-ovate, acutish. 



Unduavi, 8000 ft., Oct. 1885 (no. 1475). 



Pouzolzia as per Wedd. ; DC. Prod. 16 1 : 233 {Margarocarpus 

 asper Wedd. Ann. Sci. Nat. IV. I : 204. 1854). Yungas, 6000 

 ft., 1885 (no. 2636). The same as Matthews' no. 2036. 



Phenax ballotifolins (Kunth.) Wedd. Ann. Sci. Nat. IV. 1 : 

 192. 1854. Unduavi, 8000 ft., Oct. 1885 (nos. 1279 and 1282), 



and Beni River, July 1886 (no. 1283). 



Phenax pauciserrata (Wedd.) {P. Sonneratii pauciserrata 

 Wedd. ; DC Prod. 16 1 : 235). Sorata, 8000 ft, Feb. 1886 (nos. 

 1476 and 1477). 



Juglans sp. 



Entire leaf (only the uppermost seen) about 3 dm. long, the 



petiol 



pairs, sessile, 4.5-8 cm. long, 



2-3 cm. broad, ovate, highly inaequilateral, rounded to subcordate, 

 acuminate and acute, obscurely serrate, glabrate above, fer- 

 ruginous-tomentose with branched or tufted hairs underneath ; 

 midrib and 12-14 P a * rs °f crooked upcurved secondaries promi- 

 nent on the under side, the latter connected by the tertiaries. 



Sorata, 8000 ft., Feb. 1886 (no. 744). Dr. Britton regards 

 this as an undescribed species, but the fruit specimen having been 

 lost, a full description is impossible. 



CASUARINEAE 



Lacistema'aggregata (Berg.). Yungas, 6000 ft., 1885 (no 



704). 



