484 



DISTRIBUTION OP PLANTS. 



Plantao-o (No. 3). Normal; near P. lanceolata, but taller and stouter; the leaves broader, 

 rather upright, with about ten ribs. In the environs of the Great Crater, to the eleva- 

 tion of 6500 feet on Mauna lloa. Apparently the same species, but smaller, abounding 

 in the pastoral district on Mauna Kea to the elevation of 8000 feet. 



(No. 4). Normal ; leaves broad, the under surface pubescent. On Mauna Halea- 



kala to the elevation of 7500 feet. Apparently the same species, on the tabular summit 

 of Tauai, the leaves hairy beneath. 



nov. sp., (No. 5). Stemless, broad-leaved. Growing in a bog, on the tabular 



summit of Tauai. 



Chenopodium (bis No. 1 lower down). In the pastoral district on Mauna Kea, to the 

 elevation of 9000 feet, the stem shrubby and sometimes two inches in diameter. On 

 Mauna Haleakala, at the elevation of 6000 feet. 



Ruuiex nov. sp., (No. 2). Decumbent, or in other instances rambling among the branches 

 of shrubs; leaves oblong, rather small, and of uniform size; ala3 of the fruit entire, 

 devoid of granules. In the environs of the Great Crater, to the elevation of 7500 feet 

 on Mauna Roa. In the upper portion of the forest on Mauna Kea, often growing on 

 the trunks and branches of trees ; and in the pastoral district, extending to the eleva- 

 tion of 7200 feet. Frequent on Mauna Haleakala, from the elevation of 1000 to 

 8100 feet. 



Daphne (bis No. 6 lower down). On Mauna Roa, to the elevation of 6700 feet. 



Santalum (bis No. 4 lower down). From the elevation of 5000 to that of 6500 feet on 

 Mauna Roa, where it becomes rare. On Mauna Haleakala, commencing at the eleva- 

 tion of 6000 feet, and by no means rare on the open and barren parts of the mountain 

 to about the same limit of 6500 feet. 



Exocarpus (No. 1). Frequent on Mauna Roa from the elevation of 6000 to 6500 feet, 

 but only in the form of a low semi-decumbent branching shrub, devoid of true leaves. 

 On the mountains behind Honolulu, arborescent, smooth, and often provided with 

 broad leaves. 



Parietaria ? (bis No. 1 lower down). To the elevation of about 7000 feet in the pastoral 



district on ]Mauna Kea. 

 Sisyrinchium (No. 1) ; yellow-flowered. Frequent in the environs of the Great Crater, 



and in the p:istoral district on Mauna Kea to the elevation of 8000 feet. On Mauna 



Haleakala, from the elevation of 3000 to 5500 feet. 

 Dianelia (bis No. 1 lower down, and Taheiti to the Feejee Islands). Environs of the 



Great Crater, and on IMauna Roa to the elevation of 6500 feet; where it becomes rare. 



On Mauna Haleakala, to the elevation of 0700 feet. 

 Smilax (bis No. 4 lower down). Extending in sheltered hollows to the elevation of 6500 



feet on Mauna Roa. 



Hamelinia (bis lower down), but leaves seeming narrower. In cracks of the lava-surface 



Briza media, (bis United States, Australia, and No. 1 Europe). Found by Mr. Rich on 

 Hawaii, probably on the Western side of Mauna Roa. Introduced by colonial Whites. 



Poa annua, (bis Oregon, United States, and New Zealand, and compare Peruvian and 

 Chilian Andes). Bank of stream below the upper margin of the forest on Mauna Kea. 

 Introduced by colonial Whites. 



