IN@m 17, SMITHSONIAN EXPLORATIONS, IQI6 69 
The indigenous grasses of the Hawaiian Islands are not numerous. 
The most interesting belong to the genera Panicum and Eragrostis. 
A tall species of the latter (/. atropioides) is the dominant grass 
upon the plain between Mauna Loa and Mauna Kea. Three peculiar 
Fig. 73.—Wiliwili (Erythrina monosperma), in an arid gulch on the western 
part of Molokai. At this season (October) the tree is devoid of leaves. 
Flowers and pods may be seen at the extremities of the branchlets. 
species of Panicum inhabit the open bogs formed on the tops of 
many of the high mountains in the wet zone such as Mt. Keka and 
Mt. Kukui in West Maui, some of the peaks of Molokai and Oahu, 
and Waialeale in Kauai, that upon the latter covering in all several 
