168 



DISTRIBUTION OF PLANTS. 



Lemna gibba ? (compare No. 4 California and Chili). The frond very convex beneath ; 

 the flowers observed to have two stamens. Aquatic ; and abundant in the vicinity of 

 Callao. 



Zannichellia (compare No. 1 Western Oregon). Aquatic ; growing in the irrigating 

 canals around Lima. 



Ruppia maritima, (compare No. 1 Hawaiian and Feejee Islands, Australia, Western 

 Oregon, and our Atlantic coast). Marine ; growing in the salt-water pools at Callao 

 Point. 



Potamogeton striatum, Ruiz & Pav. (No. 16). Aquatic; growing in the irrigating canals 

 around Callao. 



Habenaria? (No. 15); a congener of H. quinqueseta ?. One to two feet high; the 

 flowers small, greenish. In wet ground, in the vicinity of Callao. 



Canna (Indica? ; compare Polynesian Groups, East Indies, and No. 1 Brazil); the flowers 

 scarlet. In wet places near Lima; perhaps only naturalized. Not seen in the Interior. 



Ismene Amancaes, (No. 1) ; the " Amancaes lily." The bulb deeply buried among frag- 

 ments of tocks, that in their interstices retain moisture. Frequent on the Amancaes 

 mountain-heights ; making its appearance towards the middle of June, and observed 

 in full flower on the 2d of July. 



Gren. Amaryllid. (No. 1). The bulb smaller than in the preceding plant, and the stem 

 apparently more slender; leaves lanceolate, elongate ; the flowers not seen. On the 

 Amancaes mountain-heights. 



Alstroemeria (No. 4) ; leaves lanceolate, acute ; the flowers not seen. On the Amancaes 

 mountain-heights; making its appearance in the middle of June. 



(No. 5) ; leaves attenuate at base, spatulate, somewhat obtuse ; the flowers not 



seen. In the environs of Lima. 



Aloe (No. 4) ; the Peruvian aloe. One to two feet high ; the flowers yellow. From Yaso 

 to the mountain-region on the Andes, growing in beds of limited extent on the Desert 

 upland. 



Pitcairnia? (No. 3); compare P. ferruginea. The leaves green on both sides, with the 

 marginal prickles erect; a scape three to six feet high, bearing a panicle of flowers. 

 G-rowing in beds, green and conspicuous along the brow of the Northern continuation 

 of the Amancaes mountain-ridge. A kind of gum exudes from the old stems. 



Ricinus communis, (bis Polynesian Groups to New Zealand, and No. 1 Hindostan and 

 Zanzibar). Frequent around Callao and Lima ; probably introduced. 



Janipha manihot, (bis Zanzibar, and No. 1 Brazil) ; manioc or cassava. One of the prin- 

 cipal objects of cultivation : the roots abundant in the market, and eaten boiled. 



Ficus carica, (bis Brazil, Chili, the Mediterranean countries, and Hindostan); the com- 

 mon fig. The tree often planted in gardens ; but the fruit not met with. Some young 

 stocks springing up from seeds accidentally scattered in the principal Amancaes ravine. 



Pistia stratiotes, (bis No. 1 East Indies, Hindostan, and Zanzibar). Seen only in the 

 vicinity of Callao, where it is abundant. 



Musa paradisica, (bis Polynesian Groups to Zanzibar, Egypt, and No. 1 East Indies), 

 Bananas abundant in the market. 



sapientum ? (No. 4) ; the plantain. The fruit only met with. (Not seen out of 



America, in any of the countries I subsequently visited.) 



