96 63. RUBIACE;E. 



19. Ixora Lrsx. 



Ixora chinensis LAM. ; MATSUM. et HAYATA Eimrn. PL Formes, p. 192. 

 HAB. Kelung, Taicliii, Kasliinro, Bioritsu, Tainan. 

 DISTRIB. Malay peninsula and archipelago. 



20. Pavetta LINN. 



Pavetta indica LINN. ; MATSUM. et HAYATA Emim. PL Formos. p. 193. 



HAB. Kotosho. 



DISTRIB. India, Malaya, Northern Australia. 



21. Morinda LINN. 



Key to the Formosan Species. 



Leaves elongately oblong, acute at the base, acute or shortly acuminate at the 

 apex, 10 cm. long, 3 cm. broad, obtuse at the very extremity. Flowers 

 in terminal compound umbels, umbels sessile, umbellules pedicelled, 

 pedicels or radii 2 cm. long, umbellules 5-10-flowered, flowers sessile. 

 Fruits syncarp, depressiiigly globose, cm. in diameter M. umbellalo. 



Leaves ovate or broadly ovate, 20 cm. long, 10 cm. broad, obtuse at both ends. 

 Branches very strong. Syncarp depressingly globose 4 cm. in diameter. 



]\[. citrifdia. 



Morinda citrifolia LINN. ; MATSUM. et HAYATA Enum. PL Formos. 



p. 193. 



HAB. Kotosho, Koshun. 



DLSTRIB.. Tropical Asia, Eastern Africa, Northern Australia. 



Morinda umbellata LINN. ; MATSUM. et HAYATA Enum. PL Formos. p. 194. 



HAB. Kusshaku, Kelung. 



DISTRIB. Widely diffused in Tropical Asia, Japan to Northern Australia. 



