. 15 



violascentia intus alba oblanceolato-linearia 23 mm. longa 8 mm. lata incrassata 

 apice obtusa basi liaud contracta. Stamina circ. 30, filamentis hirsutis plus 

 minus connatis, antheris linearibus 6| mm. longis l^mm. latis apice truncatis 

 sed ad summum apiculatis basi 2-lobatis. Discus baud visus. Ovarium in abortu 

 depressum, stylo breve colum niformi ; stigma digitato-fissum, segmentis connatum. 



Citrus medica LINN. var. digitata Riss. ; HAYATA I.e. p. 11. 



NOM. JAP. Busslmlcan fjfjj^tft. 



HAB. Shintiku (cult.), leg. B. HAYATA, Aprili. 1915. 



NOTE : Colour on tlie outer side of the petals is like that of No. 553, 

 c. in KLIN, et VAL. Cod. Coul.* 



Citrus Limonia OSBECK ; SWINGLE I.e. p. 781. 



Citrus medica LINN, subsp. Limonum HOOK f. ; HAYATA Gen. Ind. p. 11. 



HAB. Shirin, cult. 



NOM. JAI>. Lemon ^/j^. 



Citrus gaoganensis HAYATA sp. nov. Frutex, ranaulis complanato- 

 triquetris 5 mm. latis, spinis ad axillas 4 mm. longis instructis. Folia oblonga 

 7-10 cm. longa 3-5^ cm. lata basi cuneata vel obtusissima apice triangulari- 

 obtusa ad summum retusa margine subintcgra vel tenuissime crenata, petiolis 

 brevioribus 5-6 mm. longis. Flores axillares solitarii, pedicellis 5 mm. longis. 

 Calyx late cupuliformis subinteger. Petala 5 linearia 2 cm. loriga 4 mm. 

 lata apice obtusissima ad basin 2-3 mm. lata extus plus minus purpurascentia 

 intus albicantia. Stamina circ. 30 basi usque ad medium connata, antheris 

 oblongo-linearibus. Ovarium oblongum 2-3 mm. longurn, stylo columnari 8 

 mm. longo, stigmate globoso ; discus cupuliformis 3 mm. in diametro. Fructus 

 ellipsoideus 4-5 cm. longus 4-4 \ cm. latus apice tenuissime apiculatus, ]>eri- 

 carpio tenuissimo 2 mm. crasso flavescenti, 9-10-locularis ; medulla solida tenui, 

 carnibus dulcibus. 



HAB. Gaogan, sponte crescens. 



NOM. JAP. Seiban-Lemon. 



* KLIXCKSIECK et VALETTE : Code des Couleurs a 1' Usage des iNaluralistes, Artistes, Com- 

 merjants et Industriels, 720 chantillons des Couleurs, classes d'apres la Me"thode Chevreul simpli- 

 fi^e, (Paris), 1908. 



