550 PHANEROGAMIA. 



11. PSIDIUM, Linn. 

 1. Psidium Guajava, Linn. 



Psidium Guojava, Linn. Spec. ed. 1, p. 470 ; Raddi, Mem. PL Bras. p. 2 ; Blunie, 



Mus. Bot. Lugd.-Bat. p. 71. 

 P. pyriferum & P. pomi/erum, Linn. Spec. PL ed. 2, et Auct. 



Hab. Eimeo and Tahiti, Society Islands: "recently introduced, 

 but naturalized and spreading rapidly." Sandwich Islands: intro- 

 duced. The Guaiva was also noticed as largely naturalized around 

 Bio Janeiro. 



2. Psidium polycarpon, Lamb. 



Psidium poly carpon, Lambert, in Trans. Linn. Soc. 11, p. 231, t. 17; DC. Prodr 8 

 p. 235. 



Hab. Kio Janeiro, Brazil. (Most probably no more than a variety 

 of the common Guaiva.) 



12. SONNEKATIA, Linn./. 



1. SONNERATIA ACIDA, Linn. f. 

 Aubletia caseolaris, Gasrtn. Fruct. 1, p. 329, t. 78. 

 Hab. Luzon, in the vicinity of Manilla. (In fruit.) 



13. BACKHOUSIA, Book. & Haw. 



Backhousia, Hook. & Harv. in Hook. Bot. Mag. t. 4133. 



