RUTACE.E. 



19 



Form. Jiyu (SIW Seeds very many ; fruits nearly globose, more or less 

 depressed 8^ cm. long 9|- cm. broad, the smallest of all forms of this Citrus; 

 peel 1J cm. thick, pulp bitter slightly purple ; usually grown by seeds. There 

 are two forms, one has slightly purple pulp, the other white pulp. 



Form. Soyu (^f^ft) ' Fruits ovoid more or less depressed and impressed 

 at the base and apex, 18-19 cm. long, 16-17 cm. broad, skin 1^ cm. thick ; 

 pulp slightly purple. 



Form. Banyu. (Bilft) Fruits larger and more rounded than the preced- 

 ing form, nearly as long as broad, 19 cm. long ; peel thicker than the pre- 

 ceding, 2^ cm. thick ; pulp slightly purple. 



Form. Sekitoyu (^Jggfft) (Fig. 8) Fruits rounded like the preceding 

 form, but more or less pyriformed towards the peduncle, 17 cm. long, 18 cm. 

 broad; peel the thinnest of all forms of this Citrus, l^ cm. thick ; pulp 

 slightly purple like the preceding. Cells mostly 16. 



Fig. 8 ; Citrus Sabon HAYATA form. Sekitoyu. x }. 



Form. Mitsuyu (^ft) Fruits more depressingly rounded than the other 

 forms, large as the preceding, pulp slightly purple, much softer than any other 

 form, peel thin as the preceding. 



Form. Hakunikuyu (fi$tf&) Fruits ovoidly rounded, 17 cm. long, 16 

 cm. broad, peel usually thicker than the preceding forms, 22 mm. thick, 

 white ; pulp not purple, nearly white, sweeter than any other forms. 



Citrus Hlitis BLANCO (Fig. 9) ; SWINGLE I.e. p. 784. Frutex 3 m. altus 

 2J m. latus. Kami ascendentes vel divaricati acute triquetri. ramulis sterilibus 



