30 



i;utacj:/i: 



Hab. Shintiku, cult. lcg. Y. Suimada ct V>. Hayata. 



This looks like a hybrid Ijctwceii C grandls and C. Kotohan. The 

 stigma of the present specics, as sccn in the accompanying hgure, somewhat 

 resembles tliat of C fjrandis ; thc calyx is more or less hirsute, as is the case with 

 the latter. Thcre is a slight constriction 1)etwcen ovary and style. The anthers 

 resemble also tliose of C fjrandis. Flowcrs in tlie beginning <>f March, 



NoM. Jai'. Natsumikan, Natsudaidai J^. 



NoTE : Colour of thc skin is ]ik(! that of Xo. IGl iu Klix. ct Val. 

 Code des Coul. 



Citnis Kotokan Hayata sp. nov. (Fig. 20, 21) Citrus hyhrida Linn., Hayata 

 Gen. Ind. ]). 11. Frutex vcl arborescens 4 m, altus in ambitu 5 m. latus, rami 

 validi plus minus divaricati, ad axilhis s^^inis G mm. longis instructi. Folia oblonga 

 coriacca 10 cin. longa 6 cm. lata apice ol)tusissima vel acuta ad summum obtusa 

 vcl retusa basi subrotundata margine integra vel obscure crenata. petiolis 1-2 cm. 

 longis late ahitis, alis aj)ice 3-4 mm. latis basi attenuatis. 

 Flores axillares quasiterminales solitarii vel rarius racemosi, 

 l^ediccllis incrassatis 5-7 mm. longis glabris. Calyx cupuli- 

 formis 4 mm. longus 9 mm. latus lcviter .j-lobatus vel .3- 

 dentatus, lobis 4 mm. latis 2 mm. longis apice acutis. Petala 

 5 obovata oblongo-obovata vel oblonga 17 mm. longa Omm. 

 lata apice obtusissima basi haud vel leviter contracta. Sta- 

 mina 20, antheris linearibus 3| mm. longis 1 mm. latis 

 apice obtusissimis haud apiculatis basi 2-lobatis, lobis 

 apice obtuse acutis. Discus annularis vcl pulviniformis 

 globosum 4 mm. latum 2^ mm. longum, stylo columnari 5 mm. longo l^ mm. 

 crasso, stigmate globoso-pulviniformi 1 mm. longo 2 mm. lato. Fructus depresso- 

 giobosus 7-8 cm. lon^^us 11 cm. latus ; pericarj)io plus minus constricto rugoso ; 

 medulUi solida. * 



No.M. Jai'. Kotohan ^UIW- 



Hab. Shintiku, leg. B. Hayata et Y. SniM.VDA. 



Flowcrs in tlie middle of April. This resembles closcly C Daidai in 

 the habit of tlic trcc, in the accrescent pedicels and calyx, and in the anthei-s ; 

 but it bears tlie character of C nobilis var. poonensis in the dejircssing globose 



Fig. 20; CUrus Ko- 

 tolri.n Hayata. 



<Jvarium depresso- 



