28 



llUTACEyE. 



longo 2 mm. crasso baf^i plus minus dilatato cum ovaviis articulato, stigmate 

 pulviniformi 4 mm. ]ato 2 mm. longo. Fructus dc] )resso-globosus 5-^ cm. longus 

 6-7 cm. latus ; meduUa solida ; carnil»us acidis. 8emina cuneato-ovata plus 

 minus complanata 1 cm. longa, 



Hab. Shintiku^cidt. 



NoM. Jap, Byonkan -^K^, 



NoTE : Colour of tlie skiu is like Hiat of No, 131 or No, I.jG in Ki.in. 

 et Yai.. Code des Coul, 



Fig. 18; Various species of Cilrus. 1, a fruit of Citrits Daidai TIayata 2, calyx and 

 ovary iii section of the same species ; o, accrescent calyx of the same ; 4, petal of tlic same ; 

 5, a pctal of Citriis sincmis form. SeJckan ; C, a petal of Cilrm Tanhan IIayata. 



Differs from C. Aurantium Ly the fruits witli a solid core. It may he hy- 

 hrid between C. Aurantmm and C. sinensis. Flowers in thc middle of Feb- 

 ruary. The present sxjecies is very near Avith a Japanese one, called Daidai ^ or 

 Kivaiseil-an tlcpflti"; '"i^^d \ve thiuk the Formosan one is identical with the latter. 

 The petals of the present Citrus arc mucli narrower than those of any of the 

 Formosan oranges, It is nearly siinilar to tlie foUowing spccies, Natsitdaidai ; 

 the fruits come quite close to those of C. sinensis forma Sekkan. 



