AFRO-INDIAN REGIONS. 



413 



plumose tufts on the stem ; under surface of the leaves when dry pubescent ; flowers 



rather short. Frequent along the sea-shore; extending sometimes a mile or two inland, 



to the elevation of a thousand feet. 

 (No. 3) ; a second species ; leaves green on both sides. " South of the Great 



Crater," Brackenridge. The same species, with fewer serratures and perhaps less 



smooth, at the upper base of Mauna Roa, at the elevation of about four thousand feet. 

 (No. 4). " Three to four feet high leaves broad-lanceolate, serrato-dentate. 



"District of Puna" on Hawaii, Brackenridge. 

 (No. 5) ; compare the last species ; woolly stipules. North flank of Mauna 



Haleakala, at the elevation of 6700 feet. 

 nov. sp., (No. 6). A tortuous decumbent shrub, bearing some resemblance to a 



Portulaca. In the sands of the low isthmus on Maui. 

 (No. 7) ; a sixth species ; compare (No. 3). Leaves sinuately-dentate. On the 



mountains behind Honolulu. 

 (No. 8). Mr. Brackenridge thinks this distinct from the last ; leaves with a few 



sinuate serratures ; flowers yellow. " On the mountains behind Honolulu," Brackenridge. 

 nov. sp., (No. 9). Under surface of the leaves woolly. On the mountain-ridge 



behind Honolulu, at the elevation of two thousand feet. 

 nov. sp., (No. 10). Lanceolate entire leaves. On the tabular summit of Tauai, 



about four thousand feet in elevation. 

 Lobelia (No. 2). Stem simple, ten feet high ; leaves lanceolate and rather small, pseudo- 



crenate ; three to four terminal spikes ; flowers white, tipped with lilac. Environs of 



the G-reat Crater. 



(No. 3) ; leaves lanceolate, the under surface white ; the spike of dark-blue <* 



flowers (naked at base, or) partly separate. On the tabular summit of Tauai; and at 



the elevation of 6700 feet on the North flank of Mauna Haleakala. 

 (No. 4). Woody; leaves lanceolate, long-petioled, sinuato-serrate; upright racemes 



or spikes of numerous and rather small flowers. In fertile situations on the mountains 



behind Honolulu, at the elevation of a thousand feet. 

 (No. 5) ; normal. Three to five feet high ; leaves narrow, lanceolate, attenuate ; 



several terminal long racemes or spikes of pale flowers. Frequent on the mountain- 

 ridge behind Honolulu, at the elevation of from 2000 to 2500 feet. 

 (No. 6). Viscous; leaves lanceolate, a foot long, entire, succulent; sepals short; 



a single spike of showy, broad and curved flowers, pale-colored with pink veins. On 



the tabular summit of Tauai. 

 (No. 7). A foot high ; leaves broad-ovate, acute at each end, the under surface 



white, with brown nervures ; no flowers. On the mountain-ridge behind Honolulu, at 



the elevation of two thousand feet. 



near Honolulu and elsewhere. (Possibly introduced, in connection with the manufac- 

 ture of salt, by colonial Whites). 

 Batatas edulis, (bis No. 1 Metia to the Feejee Islands) ; leaves entire, or sometimes 

 3-lobed. In those districts of the Hawaiian Islands that are unsuitable for the produc- 

 tion of taro, the sweet potato is the favorite object of cultivation with the natives. The 

 roots of some of the varieties are white internally, and diff'er besides in shape from the 

 one variety known in the United States. 



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