52 



DISTRIBUTION OF PLANTS. 



Ambrosia (No. 6). Growing along the margin of the brackish lagoon, called the " Lagoa 

 de Peteninga." 



Lobelia (No. 48). Herbaceous, ten feet high ; the stem an inch in diameter, upright 

 and simple, terminating in a raceme, three or four feet long, crowded with flowers; 

 leaves lanceolate, (the lower ones) a foot in length. In two or three localities, beyond 

 the Organ Mountains. 



(No. 49). Having solitary large flowers. 



(No. 50); "a third species," Brackenridge. 



(No. 51); "a fourth species," Brackenridge. — Loheliacew proved to be quite rare. 



Gaylussacia (No. 1). A species said to occur "on the coast to the Eastward," but not 

 seen by ourselves. 



Utricularia (No. 9). The flowers yellow. Growing in pools, along the Piedade road. 



(No. 10). The flowers purple. In pools along the Piedade road. 



Samolus (compare No. 1 United States). 



Ardisia? (No. 2). A shrub, ten feet high: observed along the Piedade road. — A few 



other shrubs were met with, that appeared to belong to Myrsineaceoi. 

 Gen. Sapotac. ? (No. 1). A tree, dwarfed and gnarled by mountain exposure so as not to 



exceed thirty feet in height. Growing on the summit of the Estrella Peak of the 



Organ Mountains, hardly less than 4500 feet above the sea. 

 (No. 2). The fallen seeds met with not unfrequently beneath the lofty trees of 



the primeval forest. 



(No. 3). A low shrub. On submaritime sands, near the Lagoa de Peteninga. 



Styrax (No. 1). A shrub, about fifteen feet high. Growing beyond the Organ Moun- 

 tains, and once cnly met with. 



Jasminum (No. 14). The flowers white. In wild situations; here and there met with, 

 and to all appearance indigenous. 



Gen. Apocyn. (No. 1). Nerium-like ; an ornamental shrub, twelve feet high; the flowers 

 white. Growing beyond the Organ Mountains, at the limit of our excursion. 



Echites (No. 1). 



(No. 2) ; a second species. 



(No. 3) ; a third species. 



(No. 4). Having large yellow Convolvulus-like flowers. 



(No. 5). The flowers dark-red. Growing on rocks. 



(No. 6). The flowers white. These six species, evidently not congeneric, and 



some of them quite showy, occurred singly at rare intervals, a stock being here and 

 there intermingled in the vegetable growth. 



Gen. incert. (No. 1). Fallen Ophioxylon-like fruit met with on the Organ Mountains. 



Bidens bipinnata? (compare sp. of the environs of Philadelphia). Frequent in cul- 

 tivated ground. 



Calliopis tinctoria, (bis, brought by Nuttall from Arkansas). In the midst of the profu- 

 sion and magnificence of the Brazilian wilderness, the want of pleasing flowers was 

 indicated by a stock of Calliopsis, nurtured with care at the window of a residence 

 among the Organ Mountains. 



Acanthospermum xanthioides ?, (No. 1). A frequent weed in coffee plantations. 



Specularia amplexicaulis ?, (compare Oregon and our Atlantic States.) 



