27 



on both surfaces and ciliated-margined ; the divisions broadly obovato-ciineate, 

 sessile, 3-cleft with closed or narrow sinuses ; the segments cuneate, flabel- 

 lately inuiiso-dcntate with mucronate ovato-lanceohite or ovato-deltoid teeth ; 

 petiole 10-16 cm. long, thinly piloso-pubescent with patent hairs, lanceolate- 

 vaginate at the base. Peduncle erect, exceeding the leaves, thinly piloso- 

 pubescent as in the petiole. Involucral leaves 3, sessile, 3-partite ; segment 

 cuneate, laciniate-dentate. Cyme umbellate, compound. Pedicels longer 

 than the involucral leaves but much shorter than the peduncle, 3-5 in 

 number, some of them often again divided into 2nd 2-3-pedicels above 

 and bearing lanceolate or 2-3-lobed 2 involucel-leaves. Flowers 17- 

 22 mm. across, white. Sepals 5-6, patent, oblong, attenuated below. 

 Stamens numerous, much shorter than the sepals ; anther oval-orbicular ; 

 filament linear. Ovaries about 4, sessile, glabrous, with a short style. 



Hab. Prov. Iyo : Mt. Ishidzuchi (/. Doi ! Aug. 1891 ; K. Okudaira ! 

 Aug. 1892). 



The compound umbellate inflorescence is the characteristic of this species. 



Hesperis lutea Maxim, in Mel. Biol. IX. p. 12, et in Act. Hort. 

 Petrop. XI. p. 52 ; Franch. et Sav. Enum. PI. Jap. II. p. 282 ; Diels in 

 Engler's Bot. Jahrb. XXIX. p. 359. 



Hah. Prov. Siiimotsuke : Godo (R. Aldijama ! July 4, 1901), Ashio 

 {R. Miyamal July 7, 1901). 



Pare in Japan. My specimens were kindly sent to me by Mr. Renzo 

 Akiyama, who collected them in the above mentioned localities. This has 

 the longest fruit among Japanese Cruciferfe. 



Pgeonia obovata Maxim. 



a. typica Makino in Bot. Mag., Tokyo, XII. (1898) p. 302. 



Leaves usually hairy beneath. Flower rose-purple. 



Pceonia obovata Maxim. Prim. Fl. Amur. p. 29 ; Kegel in Bull. Soc. 

 Mosc. XXXIV. p. 134 : Id. Tent. Fl. Ussur. p. 13 ; Fr. Schm. Reis. im 

 Amur. u. Ins. Sachal. p. 109 ; Baker in Gard. Chron. New. Ser. XXI. 

 (1884) p. 779; Forbes et Hemsl. Journ. Linn. Soc. XXIII. p. 22; Korsh, 

 in Act. Hort. Petrop. XII. p. 302 ; lluth in Engler's B )t. Jahrb. XIV. 

 p. 266 : Id. in Bull. Herb. Boiss. V. p. 1095 ; Diels in Engler's Bot. Jahrb. 

 XXIX. p. 324. 



Pceonia orcofjcton S. Moore in Journ. Linn. Soc. XVII. p. 376. 



