232 K. MIYABE ON THE 



P. fixigiformis : — Akenes eloiigatecl-ovoid, larger (1.8 mm. long), smooth, with a moi-e 

 or less prominently keeled ridge on the margin, the veins inconspicnous. 



P. villosa: — Akenes elongated-ovoid, smooth, with the margin more or less prominently 

 ridged, the veins ineonsi)icnons. 



P. gelida: — xVkenes ovoid, glahrons, with S^distinct curved veins running almost [)ar- 

 allel, obtusely ridged. 



It will be seen from the characters of the i-ipened akenes, that P. grandiflora and geli- 

 da are closely related ; Avhile P. fragiformis and villosa form another group. 



88. Potentilla anserina L. Sp. p. 405; Ledeb. Fl. Ross, il, p. 44; Lehm. Rev. Pot. p. 



1S8; AVatson, Proc. Am. Acad, viu, p. 562; Fr. & Sav. Enum. i, p. 131. 

 Hal). Etorofa, at Rausu. 



Distrib. Arctic and temperate regions of Europe, Asia and North Amci-ica. Also 

 in South Amei'ica and Australia. 



89. Agrimonia Eupatoria, L. Sp. p. 448; Ledeb. Fl. Ross, ii, p. 31 ; Torr. & Gray, Fl. IST. 



Am. I, p. 431; Foi-bes & Ilemsley, Ind. Fl. Sin. j). 24G. A. jMosa, Ledel). Ind. 



Sem. II. Dorp. Suppl., 1823, p. 1. A. viscidula, Bunge, Euum. PI. Chin. Bor. 



p. 26. 

 Hah. SMlvotan. 

 Distrih. Throughout the temperate regions of the northern hemisphere. 



90. Sanguisorba tenuifolia, Fisch. ex Link., Enum. PI. Hort. Borol. i, p. 144; Ledeb. Fl. 



Ross. II, p. 28; Max. Mel. Biol, ix, p. 152.— Yar. alba, Tiautv. & Mey. Fl. Ochot. 



p. 35 ; Max., I. c, p. 153. Poterium tenuifolium, var. album, Fr. & Sav. ii, p. 342 ; 



Forbes & Hemsley, Ind. Fl. Sin. p. 247. 

 Hab. Shikotan. Etorofu, at Rubetsu. 



Distrib. Eastern Siberia, Ivamtschatka, Manchuria, Dahuria, China, Corea, northern 

 and middle Japan and Saghalin. 



91. Rosa acicularis, Lindl. Ros. Monog. p. 44, t. 8; C. A. Me3T'r, Zimmtrosen, p. 15; 



Crepin, Prim. Monog. Ros. p. 299; Regel, Tent. Ros. Monog. p. 18. 

 Hab. Etorofu, in roadside thickets at Tsurubetsu. 



Distrib. Europe, northern Asia, China, northern and middle Japan, and in Xorth 

 America. 



92. Rosarugosa, Thunb. Fl. Jap. p. 213; C. A. Mey., Zimmtrosen, p. 32; Crepin, Piim. 



Monog. Ros. p. 336; Regel. Tent. Ros. p. 24; Sieb. & Zuec. Fl. Jap. i, p. m, t. 



28. R. lamfschatica, Red. Ros. i, p. 47. 

 Hab. On the sandy beach: Shilotan. Etorofu, at Tsurubetsu, Shana and Shibetoro, 

 Shimushu (S. Akakabe). Kuriles {ex Georgi, Pallas). 



Distrib. Japan, Saghalin, Kamtschatka, Manchuria, Corea and China. 



93. Pyrus sambucifolia, Cham. & Schlecht. in jjinn;ea, ii, ]). 36; Torr. & Gray, Fl. 1^. Am. 



I, p. 472; Ledeb. Fl. Ross, ii, p. 99; Max. Prim.Fl. Amur. p. 103, and Mel. Biol. 

 IX, p. 172 (under Sorbus). 

 Hah. Kurile Islands (ex Pallas) . Etorofu, vei-y common on hillsides, forming stunted 



