20 



RUTACE^C. 



Fig. 9 ; Cilrus mitis 

 Bla^tco. 



ad axillas spinesccntibus,. spinis I) ii nn. longis, i-amulis fertilibus inermibus. 

 Folia tenuiter coriacea o])longa vel obovata 6-7 cra. longa 3^-4 cni. lata apice 

 obtusa vel obtusissima intenbim rctusa basi cuncata margine obscurc crenulata, 

 petiolis 1 cm. lougis angustissimc alatis, alis § mm. latis, vel haud alatis. 

 riores albi axillares solitarii, pediccllis 4 mm. longis. Calyx camiwmulato- 

 cupuliformis 4-5 mm. in diamctro 5-dentatiLS, dentibus triangulariljus acutis 

 plus minus flavescentibus. Petala 5 lineari-oblonga l^ cm. longa 5 mm. lata 

 apice triangulari-acuta. Stamina circ. 20 toto connata. Ovarium viride ; stylo 

 coluranari, stigmatc gioboso-obconico. Fructus subterminalis subsolitarius vel 

 axillaris globosus 2^ cm. longus totiuscjue latus, vel depresso- 

 globosus circ. 6-locularis, nieduUa cava ; pericarpio tenui 

 fere stricto, carnibns valde acidis, cmbrj^onibus viridibus. 



NoM. Jap. Saiseikitsu ^^Uh SJiiliildtsu P9 ^ 'fi^i- 

 GeMcitsu J^^^], Tohinkan J^^\^. 



Hab. Sbintiku, cult.; Loo-clioo : Yonakuni, sponte 

 crescens, leg. Y. Shim^^da, Oct. 1017. 



NoTE : Colour of the slcin is like tliat of No. 106 — No. 1.31 in Klix. 

 ct Yal. Cod. des CouL 



There are two forms. They are : — 



Form. Shikikitsu : Fruits depressingly giobose 3 cm. long, 3.7 cm. 

 broad, 7-8-celled, core hollow, embryo greenislu 



Hab. Shinpd, cult. 



Form. Gekkitsu: Flowcrs smaller than the preceding form. Fruits giobose 

 less depressed than the preceding form, 3 cm. long, 3.5 cm. broad, core hollou', 

 nearly 8-celIcd, embiyo greenish. 



Hab. Shintiku, Shinpo, cult.; Gaogan, sponte crescens. 



Citms nobilis Lour. var. Ponki Hayata n.v. (Fig. 10). Frutex 2^ m. 

 altus 3 m. latus, ramis divaricatis gracilibus subscandentibus, lateralibus in- 

 clinatis. Folia oblonga 7cm. longa 3 cm. lata apice acuta vel acuminata ad 

 summum obtusa et rctusa basi acuta vel cuneata margine crenata tenuiter 

 coriacea giabra, petiolis 7-10 cm. longis angustissime alatis vel haud alatis. 

 Flores subterminales geminati vel solitarii stipitibus 5 mm. longis glabris pedicel- 

 lati. Calyx subplanus glaber 5-lobatus, lobis late triangularibus 2^ mm. latis l^ 



