THE FLORA OF RAROTONGA. 281 
Common all through the island, from sea-level to quite 1000 ft. The lower branches 
are often pendulous, and present a very graceful appearance when loaded with the abundant 
racemes of tassel-like flowers. Wood red, durable, used for making canoes, Ze. 
Native name Moto. Closely allied to the Fijian and Tongan H. vitiense, Benth., but the 
leaves are larger and acuminate, inflorescence much laxer, and the flowers are distinctly 
pedicellate. ; 
PASSIFLORACE. 
* PASSIFLORA QUADRANGULARIS, Linn.—The Grenadilla was introduced from Tahiti 
about the year 1850, and is now naturalized in many places, presenting all the appearance 
of a true native. 
Tropical America. 
*Carica Papaya, Linn.—Native name Ninita. Extremely abundant, not only in the 
lowlands, but stretching far back into the hills. Introduced by the first missionaries 
about 60 years ago, and has become so thoroughly established that if a clearing is made 
in the forest the first vegetation to spring up is often largely composed of Papaw trees. 
Tropical America. 
CUCURBITACE E. 
LAGENARIA VULGARIS, Seringe.. Native name Ue. Cultivated by the natives from 
time immemorial, but not often seen at the present time. 
Cultivated in most warm countries. 
LUFFA CYLINDRICA, Roem., var. INSULARUM, Cogn.—Native name Motine. Not 
uncommon in the lower portions of the island, climbing trees. 
Throughout Polynesia, also in Australia and the Malay Archipelago. 
*Cucumis Metro, Linn.—The Melon, in several of its forms, is frequently cultivated, 
and often seen in a semi-naturalized condition. 
Plentiful in all warm countries. 
*CITRULLUS VULGARIS, Schrad.—The Water-Melon. The same remarks apply. 
FICOIDACE#. 
SESUVIUM PonTULACASTRUM, Linn.—Sandy flats along the edge of Ngatangiia Harbour, 
common, but not seen elsewhere. 
Shores of most warm countries. 
UMBELLIFER. 
HYDROCOTYLE ASIATICA, Linn.—Common.  Attains a large size in moist shaded places, 
in the lower portions of the island, A smaller form occurs on dry hills. 
Throughout Polynesia, and plentiful in most warm countries. 
