114 THE JOURNAL OF BOTANY 



opinion , and distinguished our plant from S. reflexa. I have not 

 succeeded in estabhshing any specific difference between S. reflexa 

 and S. sachalinensis, and the latter agrees so perfectly with our 

 plant as to leave no room for doubt. 



10. S. RivuLARis Linn. /. c. p. 404. Ser. I. c. p. 36, n. 92. 

 Var. Laurentiana Engl. I. c. p. 105. Yabe et Yendo, I. c. 



p. 184. 



Syn. S. Laurentiana Ser. I. c. p. 35. Hook. Fl. Bor.-Amer. 

 i. p. 245. Tor. et Gr. Syn. Fl. N. Am. p. 573. 



S. exilis Yabe in Tokyo Bot. Mag. xviii. p. 184, non Steph. 



Caulis debilis csespitosus, circa 4 cm. altus, erectus, superne 

 1-2 ramosus, pilis longis coloratis intricatis vestitus, paucifoliatus. 

 Folia glabra, subtus ad nervos parce glanduloso-pubescentia, mar- 

 gine saepe glanduloso-ciliolata, basilaria longe (ca. 2 mm.) petiolata, 

 petiolo pubescenti, basi stipulis ciliatis instructis sufi'ulta, reni- 

 formia, palmato 5-7-loba, lobis ovatis acutiusculis, caulina breviter 

 petiolata, 5-loba. Inflorescentia corymbosa, 3-flora ; bracteis foliis 

 similibus sed minoribus, basi truncatis subcuneatisve, breviter 

 petiolatis, fiores juveniles plus minus involucrantibus 2-3 mm. 

 longis, dense pubescentibus. Calycis lacinise ovatae, obtusae, 

 ciliolatae, tubo turbinato pubescenti subsequantes, erectse. Petala 

 oblongo-obovata (rosea '?), basin versus attenuata, breviter ungui- 

 culata, trinervia, laciniis calycis duplo, staminibus fere duplo 

 longiora. Capsula matura globosa, calycem subduplo superans, 

 stylis divaricatis brevissimis terminata. 



No7n. Japon. Kiyoshiso. 



Hab. Kurile : ins. Urup : Perikamai, seven miles westward- 

 of Tokotan (if. C7c/ii(^a ! 1891); Eakkojima (T. J5rawaA;ami ! 1898); 

 ins. Poromoshiri : Musashiwan (ilf . Aizaiva ! 1900) ; ins. Shimushu 

 (T. Ishikaiva ! 1894 ; K. Yendo ! 1903). 



Ohs. The geographical area of this variety is confined to the 

 Kurile Islands and Behring Sea region. 



11. S. Fauriei Boissieu, /. c. p. 687. 



Hab. Yezo : in promontorio Okchishi ( U. Faurie ! Aug. 30, 

 1889 ; Sept. 30, 1889). 



Obs. No other localities of this species have been reported 

 from Japan. 



Excluded Species. 



S. lycoctonifolia Maxim, in Mel. Biol. xii. p. 456. Boiss. I. c. 

 p. 686 = Boykinia lycoctonifolia Engl, in Engl. u. Pr. Pflanzenfam. 

 iii. 2, A, p. 52. 



Nom. Japon. Arashigusa. 



Hab. Yezo: " montagnes de Mashike " {U. Faurie \ 1892, 

 no. 8353) ; in monte Nutakkam-ushpe {A. Ando ! 1907). 



Obs. As I have stated before, this species may be with reason 

 placed in Boykinia. The new combination Theroplion lycoctoni- 

 folia, if necessary, may also be used. I should like to add to 

 Maximowicz's description that the petals are persistent ; fruit 

 globose, with styles 2 or 3, exceeding the erect calyx-lobes, 

 divergent, seed minute, nearly half a millimetre long, narrowly 



