PERUVIAN REGIONS. 



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Berberis (No. 8). A shrub, three to five feet high ; leaves oblong, two-thirds of an inch 

 by one-third, obtuse or sometimes apiculate, entire, the under surface glaucous ; flowers 

 not seen. In the upper portion of the region, along the ascent to Culuay ; rare. 



Arabis? (No. 16). Annual?; two feet high; leaves few, lyrate ; a slender plant, with 

 long, slender pods. In the lower portion of the region, along the ascent to Obrajillo; 

 once only met with. 



Cremolobus (No. 1). Annual; three to nine inches high; the leaves dentate; locul. ex 

 apice pendul. Frequent in the lower portion of the region, as far as and around 

 Obrajillo. 



Menonvillea linearis? (No. 1). Annual, six to ten inches high. Frequent around Obra- 

 jillo, and elsewhere in the mountain-region. 



(No. 2); apparently a second species. Six to twelve inches high; leaves pin- 



natifid, and mostly radical ; silicle smaller, and not alate. In the upper portion of 

 the region, along the ascent to Culuay. 



Lepidium bipinnatifidum ? (No. 10); annual. Frequent in the Canta Valley around Ora- 

 jillo. 



Cleome (No. 8). Herbaceous, branching, one to three feet high ; flowers white. Fre- 

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



Polygala (No. 21). Ornamental, three to five feet high, branching; leaves one and a 

 half inches by three-fourths of an inch; flowers large, dark blue. In the Canta Valley 

 around Obrajillo. 



Monnina (No. 4). Annual, three to ten inches high ; leaves broad-lanceolate ; fruit alate. 



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

 (No. 5). Annual, three to eight inches high; leaves broad; flowers small; the 



fruit reticulate, and very slightly crested. In the environs of Obrajillo. 

 Stellaria (No. 14). Like S. uliginosa; closely pubescent; the leaves ciliate. In the 



environs of Obrajillo. 



? (No. lo). Weak, one to three feet long, with a few spreading branches ; leaves 



sessile, ovate, acuminate. In the environs of Obrajillo. 

 Silene? (No. 15). Annual; very small, only half an inch to two inches high; leaves 



oblong; calyx spreading, the segments long, linear; corolla very small. In the upper 



portion of the region ; along the ascent to Culuay, and in the Chancay Valley at Baiios. 

 Drymaria (No. 2). Annual; three inches to two feet; leaves reniform ; flowers small ; 



calyx-segments obtuse. Fre({uent in the environs of Obrajillo, and elsewhere in the 



mountain-region. 



(No. 3); a second species. Leaves reniform; flowers with close pubescence; 



calyx-segments acute. In the environs of Obrajillo. 

 ( macrantha of Gray, No. 4; recorded as) nov. gen. Caryophyll. Upright, 



many-stemmed, a foot high; leaves sessile, cordate; calyx a third of an inch long; 



no corolla; five stamens, one style, and two stigmas; capsule coriaceous, obtuse. In 



the lower portion of the region, as far as and around Obrajillo. 



Erodium (compare Chilian Andes). Annual ; two to three inches high; leaves multifid, 

 and minutely divided ; small purple flowers. In the vicinity of Culuay?. 



; decumbent, a foot long; leaves multifid; scattered hairs. At the upper margin 



of the ivigion at 13anos. 



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