PERUVIAN REGIONS. 



179 



(No. 27). Annual; a foot h'l^h ; pilose; flowers with the carina white, and the 



alae pale-blue; pod broad, compressed. In the lower portion of the region, along the 

 ascent to Obrajillo. 



Trifolium (No. 23) ; having the habit of T. repens. Pubescent; and apparently a peculiar 

 species. In the upper portion of the region, along the ascent to Culuay. 



Indigofera (No. 26). Decumbent, spreading; the flowers larger than usual, scarlet, and 

 showy. Abounding in the lower portion of the region, along the ascent to Obrajillo. 



Psoralea (No. 13) ; having the habit of the Chilian species. A coarse shrub, six feet high ; 

 pubescent. In the lower portion of the region, growing just below Obrajillo; rare. 



Dalea (Ayacavensis, Kunth ? ; No. 2 ) ; leaflets in about eight pairs ; calyx-segments long 

 acuminate. In the lower portion of the region, along the ascent to Obrajillo. 



(No. 3); a second species. Leaflets in about six pairs; bracts and calyx smooth- 



ish; flowers blue and white. In the environs of Obrajillo. 



Phaca (No. 9) ; near P. villosa ; but the leaflets linear. In the lower portion of the 

 region, along the ascent to Obrajillo; somewhat rare. 



Lathyrus (No. 12). Large ; the stipules semi-hastate ; leaflets mostly in a single pair, 

 lanceolate, two inches in length. In the environs of Obrajillo. 



(No. 13) ; near L. myrtifolius. A foot high, the stem not alate ; stipules narrow ; 



leaflets in five to six pairs; calyx-segments long, acute. In the environs of Obrajillo. 



Adesmia (hispidula, Kunth?; No. 6). Annual, herbaceous, spreading; pod five to six- 

 jointed, setose. In the environs of Obrajillo. 



(No. 7). Herbaceous, decumbent; long plumose setae on the pod. In the envi- 

 rons of Obrajillo. 



Desmodium (No. 41) ; hairy ; with broad floral-bracts; and large purple flowers. In the 



lower portion of the region, along the ascent to Obrajillo. 

 Cassia (No. 27). A "shrub, twenty feet high;" resembling C. floribunda. In the lower 



portion of the region, " below Obrajillo," Brackenridge. 

 Aphanes (No. 3). Procumbent; leaves pinnately multifid, dissected. At the "cascade 



opposite Obrajillo," Rich. 

 Acaena ?, lappacea (No. 7). A foot high, the foliage resembling that of a rose. In the 



upper portion of the region, along the ascent to Culuay. 

 Rubus (No. 30). Like the Brazilian species, but ten feet high; the stem and leaves 



pubescent; small white flowers. Growing about a league within the lower portion of 



the region, and three leagues from Obrajillo; rare. 

 Kagenekia lanceolata, Ruiz & Pav. (No. 2). A shrub, five feet high; leaves green on 



both sides, broader and more finely serrate than in the Chilian species. In the lower 



portion of the region, along the ascent to Obrajillo; rare. 

 (Hesperomeles cuneata'/, No. 1 ; recorded as) Crataegus. A shrub, one to three feet high ; 



rigid and tortuous, with numerous spreading branches; leaves cuneate, obtuse, serrate; 



corymbs few-flowered. In the Canta Valley, from Obrajillo to the Paramera. 



Oxalis crenata, (No. 31); not seen in flower; the root edible. (Of Aboriginal cultiva- 

 tion ; and at the present day) abundantly planted in the upper portion of the region, 

 as far as the Paramera. 



Spartium junceum, (bis Lower Peru, and No. 2 Europe). Naturalized in the lower por- 

 tion of the region, as far as Obrajillo. 



