OF THE TONGA OR FRIENDLY ISLANDS. 169 
BIXINEs. 
Xylosma orbiculatum, Forst.— U.S. Expl. Exped. ; Lister. 
Fiji eastward to the Marquesas Islands. 
PITTOSPORES. 
Pittosporum arborescens, Rich.—U.S. Expl. Exped.; Greffe; 
Lister. 
Fiji Islands, 
Pittosporum Brackenridgei, A. Gray.—Cartwright ; Lister. 
Fiji Islands. 
Pittosporum rhytidocarpum, A. Gray.— Lister. 
Fiji Islands. 
PoRTULACER. 
Portulaca oleracea, Linn.— U.S. Expl. Exped. 
Common, especially in maritime districts, in tropical and sub- 
tropical regions generally. 
Portulaca quadrifida, Linn.— Barclay; U.S. Expl. Exped. 
Warm regions of the Old World. 
GUTTIFER#. 
Garcinia sessilis, Seem.—Velson ; Lister. 
New Caledonia and Fiji Islands. 
Calophyllum spectabile, Willd.—U.S. Expl. Exped. 
Fiji and Society Islands, Java, Malayan peninsula, and Ceylon. 
MAtLvacez. 
Sida microphylla, Cav.— Forster ; Moseley. 
New Caledonia, Fiji and Samoa Islands, Pescadores Islands in 
the Marshall Group, India, and Bourbon. 
Sida rhombifolia, Linn.—Cartwright ; Lister. 
Fiji to Marquesas Islands ; and tropical and subtropical regions 
generally. 
Sida spinosa, Linn.—U.S. Expl. Exped. 
Sandwich Islands (“a late arrival from tropical America ’’). 
Tropics and subtropical regions generally. 
Urena lobata, Linn.— U.S. Expl. Exped.; Harvey ; Cartwright. 
Fiji to Marquesas Islands. Tropics generally. 
