RUTACE^E. 



29 



Citrus Natsudaidai HAY ATA sp. nov. (Fig. 19) Citrus Aurantium LINK. 

 subsp. sinensis ENCL. ; HAY ATA Gen. Ind. p. 11. Frutex 2^ m. altus 4 m. latus ; 

 rami valid! divaricatissimi. Fructus depresso-globosus 8 cm. longus 10 cm. 

 latus ; pericarpio plus minus laxo ; medulla partim solida partim cava. 



I 



Fig. 19 ; 1, an unthcr of Citrus Natsudaidai ; 2, calyx and ovary of the 

 same species ; ?>, a fruit of the same ; 4, an anther of Ctirus grandis. 



