PERUVIAN REGIONS, 



183 



Piqueria (compare No. 1 Lower Peru); mare;in of the leaves with long dentures. Fre- 

 quent in the environs of Obrajillo, and elsewhere in the mountain-region. 



? perhaps not distinct; broad-leaved at base. In the lower portion of the region, 



along the ascent to Obrajillo. 



Stevia? (No. 3); leaves broad dentate; about six calyx-scales. Growing in the environs 

 of Obrajillo. 



Eupatorium (No. 19) ; having something of the habit of E. perfoliatum. Three to five 



feet high ; leaves lanceolate, rugose ; flowers pale-blue. In the upper portion of the 



region, at Baiios and elsewhere. 

 (No. 20) ; having the habit of Chilian sp., and of E. ageratoides. Two to three 



feet high ; leaves petioled, cordate. Frequent in the upper portion of the region, along 



the ascent to Culuay. 



? (No. 21); having the habit of Brickellia. Three to five feet high; leaves 



opposite, rugose, petioled, lanceolate, but obtuse at base ; large blue flowers. In the 

 environs of Obrajillo. 



? (No. 22) ; leaves petioled, unequally cordate, crenate, the under surface tomen- 



tose ; calyx-scales triserial, ribbed. In the environs of Obrajillo. 

 Ageratum ? (No. 2; compare No. 1 Brazil, and the Polynesian Groups to Hindostan and 



Zanzibar). Leaves petioled, broad-ovate ; flowers purple ; calyx-scales uniserial. In 



the environs of Obrajillo. 

 Nothites ? (No. 3); more paniculate than sp. of Lower Peru. Leaves petioled, ovate, 



dentate ; calyx-scales about five, uniserial ; pappus none. In the lower portion of the 



region, along the ascent to Obrajillo. 

 Gen. Eupatorioid (No. 1). A spreading shrub, three to five feet high ; leaves short-petioled, 



cordate, serrate ; about six broad calyx-scales, uniserial. In the upper portion of the 



region, along the ascent to Culuay. 

 (Liabum ?, No. 1) ; Aster-like. Annual, spreading, three to four inches high, lanate ; 



flowers large, purple ; calyx-scales long acuminate, and in about three series ; five stout 



pappus-rays, amid numerous shorter ones of unequal length, all of them nearly naked. 



In the environs of Obrajillo. 

 ( ?, No. 2); Aster-like; a second species. One to two feet high; leaves dentate, 



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

 (Caenotus?, No. 12); like C. Canadensis; the leaves entire, obtuse. In the lower portion 



of the region, along the ascent to Obrajillo. 

 Baccharis ? (No. 25) ; "chilca." Suff"ruticose ; leaves confert., 1 J inches long, attenuate 



at base, lanceolate, dentate; calyx-scales in two to three series. Growing in the envi- 

 rons of Obrajillo. 



(No. 26); leaves broad-lanceolate, entire at base, tri-nerved, dentate; inflorescence 



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



(No. 27). Normal ; leaves cuneate, with a few dentures ; pappus long. In the 



environs of Obrajillo. 



Sambucus Peruviana, Kunth, (No. 7); arborescent, ten to twenty feet high. Frequent 

 around Baaos, at the upper margin of the region, but perhaps only planted. No spe- 

 cimens. 



