AFRO-INDIAN REGIONS. 



407 



interior tough and fibrous ; leaves with a deep sinus, cordate, acuminate, denticulate j 

 flowers small. In the forest on Mauna Kea, growing at the elevation of from four 

 thousand to six thousand feet. 



Talinum ? (No. 1). Many-crowned; stems tortuous, a foot or more in length; leaves 

 spatulate, three inches long; racemes of flowers below the leaves ; sepals five ; capsule 

 of one cell, and seeming devoid of regular valves, the placenta central. On the coast 

 cliffs along the Northern base of Mauna Kea; but discordant amid the surrounding 

 vegetable growth, as though out of place, almost reminding one of Madeira. 



Portulaca; bis (No. 2 Gardner's and other Phoenix coral-islands). Fleshy upright stem ; 

 yellow flowers. On the arid Leeward portion of Oahu, clearly indigenous. 



(No. 6 ; compare Brazil, and) P. pilosa. Flowers deep purple, and rather orna- 

 mental. On the arid Leeward portion of Oahu, and of other islands in the (jroup. 



nov. sp. ; seeming distinct from the last; the flowers pale or whitish. On the 



sands of the low isthmus on Maui. 



Se.suvium ; bis (No. 1) Tongatabu (to Phrenix) and Wake's coral-islands; flowers purple. 

 Oahu, and elsewhere; frequent along the sea-shore. 



Broussaisia arguta, (No. 1); a Hydrangea-like shrub. Frequent in woodland districts; 

 Oahu, Puna on Hawaii, and elsewhere. 



(Reynoldsia, No. 2) ; Araliac, a congener of Samoan sp. A tree, thirty feet high ; leaves 

 pinnate, the leaflets subcordate, with some dentures at base; capsule of eight cells. 

 Along the Southern base of Mauna Kaala; and seen by Mr. Brackenridge "on the 

 coast of Hawaii South of the Great Crater." 



; seeming distinct, but the leaves and flowers young. A small tree, twenty feet 



high; leaves pinnate, bijugis, the leaflets as yet only half an inch to an inch long; 

 flowers small. On the Southern flank of Mauna Kaala. 



Nov. gen. platyphyllum, (No. 1); Panax of Hooker. A shrub, fifteen feet high; leaves 

 poplar-like or Styllingia-like, but ternate. On the mountain-ridge behind Honolulu, at 

 the elevation of 2000 feet. 



ovatum, (No. 2); Panax of Hooker. A shrub, twelve feet high ; leaves ternate, 



the leaflets ovate, entire, long-petioled ; five stigmas, and as many seeds. On the moun- 

 tains behind Honolulu, at the elevation of 2000 feet. 



Nov. gen. trigyna, (No. 1) ; Aralia of Gaudichaud. A tree, forty to fifty feet high, with 

 the trunk two feet in diameter ; the leaflets crenate. In the forest on Mauna Kea, 

 "•rowin"' at the elevation of from 4000 to 6700 feet. 



; perhaps the same species. Young ; leaves quinate, the leaflets entire, acute. 



In woods on the route from Hilo to the Great Crater, C. P. 



Jambosa Malaccensis, (No. 1, bis Taheiti to the Feejee Islands) ; flowers red. A fre- 

 quent tree, introduced by aboriginal settlers. 



Lagenaria vulgaris, (No. 1, bis Taheiti to Tongatabu) ; the gourd. A giant-fruited 

 variety, which I have seen only at the Hawaiian Islands; where the excavated shells 

 are used as a substitute for baskets, barrels, trunks, and boxes. Introduced by abori- 

 ginal settlers. 



Sicyos angulata, (bis United States, New Zcakuid, ami Australia). Naturalized at Lahaina, 

 and elsewhere; introduced, probably by colonial Whites. 



