RUTACE^. 15 



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

 apice obtusa basi liaucl contracta. Stamina circ. 30, filamentis hirsutis plu^ 







minus connatis, antheris linearibus 6J mm. longis 1^ mm. latis apice truncatis 

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

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



Citrus inedica LINN. var. digitata Hiss. ; HAY AT A I.e. p. 11. 



NOM. JAP. Bussliukan fjfji^tB'- 



HAB. Shintilui (cult.), leg. B. HAYATA, Aprili. 101. 5. 



NOTE : Colour on tbe outer side of tbe petals is like tbat 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. Sbirin, cult. 



NOM. JAP. Lemon f|f|ft. 



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

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

 7-10 cm. longa 3-5i cm. lata basi cuneata vcl obtusissima apice triangulavi- 

 obtusa ad summum retusa margine subintegra vel tenuissime crenata, petiolis 

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

 Calyx late cupuliformis subinteger. Petala 5 h'nearia 2 cm. longa 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.'longimi, stylo columnari 8 

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

 ellipsoideus 4-5 cm. longus 4-4J cm. latus a]>ice tenuissime apiculatus, ]>eri- 

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

 carnibus dulcilms. 



HAB. Gaogan, s])onte crescens. 



NO^F. JAP. Sciban- Lemon. 



'' KLTXCKSIECK et VAL.ETTE : C'ode des Couleurs a 1' Usa^e des ^vaturalistes, Artistes, Com- 



f 



merfants et Industriels, 720 Echantillons des Couleurs, classes d'apres la M^thode Chevreul simpli- 

 fiee, (Paris), 1908. 



