PERUVIAN REGIONS. 



161 



Gen. Compos. (No. 1). Having the habit of Zapania; prostrate; leaves opposite, entire, 

 obtuse ; calyx-scales about eight, in a single series ; flowers purple, rayless. Mari- 

 time ; growing abundantly on the inland slope of the sea-beach. 



Gen. Eupatorioid ? (No. 1). Having the habit of Solidago; leaves a fourth of an inch 

 long, dentate like those of Baccharis, or in some instances roundish ; calyx-scales in 

 two to three series ; pappus-rays about forty. Between Yanga and Yaso. 



Tripolium (No. 11 ; compare Hawaiian Islands). Near T. subulatum ; floret-rays short. 

 In the environs of Callao and Lima; growing in the infiltrated ground. 



(Caenotus No. II). Like C. Canadensis, but the flowers larger; leaves Jinear-lanceolate. 

 In the environs of Callao. 



Erigeron (No. 15). Annual?; pubescent; leaves numerous, crowded, half an inch long, 

 entirish, attenuate at base ; flowers small, white. On the summit of the Island of San 

 Lorenzo, " twelve hundred feet" in elevation, and on the Amancaes mountain-heights; 

 making its appearance in the middle of June. 



Gen. Compos. (No. 1). A shrub, two to four feet high; leaves opposite, entire; inflo- 

 rescence corymbose ; calyx-scales about five, in a single series ; floret-rays few, short, 

 yellow. On the Amancaes mountain-ridge, and elsewhere on the Desert upland. 



(No. 2) ; perhaps a second species; tomentose. In the vicinity of Yanga. 



Baccharis ? (No. 24) ; " chilca" of Feuillee, 37. A shrub, six to eight feet high, and 

 having but few branches; inflorescence terminal, corymbose. Abounding on the 

 exsiccated portions of the river-bed of the Rimac, from Lima to its mouth. 



; perhaps a second species. 



Pluchea ? (No. 7). Sufi"ruticose, branching, two to three feet high ; leaves tomentose, pen- 

 ninerved, broad, dentate, two-thirds of an inch in length ; calyx-scales in about three 

 series. Between Yanga and Yaso. 



Tessaria legitima, (No. 1). A shrub, ten to fifteen feet high. In great profusion in the 

 inundated ground at the mouth of the Rimac. 



Gnaphalium (No. 50). One to two feet high; lanate; the flowers congested. In the 

 infiltrated ground in the vicinity of Callao. 



(No. 51) ; perhaps distinct from the preceding. One to two feet high ; leaves 



amplexicaul, broad at base, gradually tapering to a point. On the exsiccated portions of 

 the river-bed of the Rimac at Lima. 



(No. 52). Annual ; upright, three to eight inches high ; leaves undulated. Fre- 

 quent on the Amancaes mountain-heights; maki ; s appearance in the middle of 

 June. 



Flaveria contrayerva, (No. 1). Herbaceous, one to two feet high. Frequent in the coast 



district, in the infiltrated ground around Callao and Lima. 

 (Enhydra) maritima, (No. 1) ; Meyera of authors. Tenderly herbaceous, one to two feet 



high ; flowers rayless ; four calyx-scales. Subaquatic ; abounding in the inundated 



ground at the mouth of the Rimac ; but not properly maritime. 



Punica granatum, (bis Mediterranean countries, Hindostan, Zanzibar, and No. 1 Yemen). 

 Pomegranates for sale in the market. Some young trees springing up from seeds acci- 

 dentally scattered in the principal Amancaes ravine. 



Psidium guayava, (bis East Indies, Hindostan, Zanzibar, and No. 4 Brazil) ; the guava. 

 The fruit abundant in the market. 



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