IIUTACK.E. 



27 



Form. Koshotankan. Fruits 

 a little liiglicr tlian thosc of Tanhan 

 ])ropev, l^ cm. long, 8 cm. broad ; 

 8kin morc rngosc aiul morc ^-cddish 

 wlicu maturc ; tlicy maturc a muiith 

 latcr than Ihnlcait. 



Hae. Shintikn, Shiiiu, Waslid- 

 shiij cult. 



]S^OM. Jav. Koshoianhan ^iJ:'J5;fi 



Form. Haili Fniits nearly 

 roundcd slii^litly dcprcsscd 6-7 cm. 



long 7 cm. l)road, skin vcry smootli 



FJg. 17; Cilrus Tankan IIayata. . ,i i ti ,i 



sliining, core partly hollow, partly 



solid, embrvo Avliite. 



Hab. Shintiku cult. 



Nojr. jAr. Haili jf:^^. 



Citrus Daidai Sieu. (Fig-. 18, 1-4) ; Sikd. Synopsis Plantanuii Occonomi- 

 carum Universi Eegni Japonici, in Vcrh. Batav. Gen. XII. (1830) ]>. .59, (nomen 

 nudum). Folia coriacea oblonga vcl elongato-oblonga l.l cm. longa G^cm. lata 

 versus apicem subito acuta vcl acuminata ad summum obtusa et retusa basi obtusa 

 margine inegi'a plus minus undulata utraque glabra, ])etiolis 3 cm. longis valde 

 alatis cuni alis obovato-cuncatis 1 cm. latis apice rotundatis basi cuncatis. Flores 

 quasitcrminalcs solitarii, ])ediccllis 7 mm. longis glabris crassiusculis. Calyx 

 extus hirsutus cupuli-formis 5-sulcatus .'j-lol^atus, lobis crcctis 4 mm. longis tri- 

 angularibus 4 mm. longis .5 mm. latis apice acutis marginc ciliolatis cztus 

 hirsutis basi intus callo singulo iustructis, Petala .") oblanceolata vcl ob- 

 lanceolato-spathulata 2^ cm. longa 7 mm. lata apice subacuta basi attenuata, 

 partibvfs attenuatis 9 mm. longis 3—3^ mm. latis, plus minus costata deorsum 

 erecta sursum extrorsc rccurva. Stamina circ. 20, fdamcutis 1 cm. longis fcre 

 toto connatis scd sursum libcris, anthcris ovato-linearibus 3-^mm. longis 1-1 j 

 mm. latis apice obtusis vcl plus minus apiculatis basi 2-lobatis. Discus aimu- 

 laris. Ovarium oblongum .j mm. longum 4 mm. latum, stylo colunmari 10 mm. 



