60 THE BOTANICAL MAGAZINE. [Vol. xxxn. No. 37. 



12, Uppl. (1889), 8;— Ostenf. Fl. Arct. I. (1902) 18;— Rothert, in 

 Act. Hort. Bot. Univ. Imp. Jurjevensis, Tom. XI, (1910) s. 25. 



S. natans /3. submuticum Hartm. Skand. Fl ed. 5, (1849). 



S. hyperboreum Laest. in Wickstr. Arsberatt, (1850) ex Bedrl. 

 in Ofvers. Yet. Akad. Forhandl. IX. (1852) 192;— Graebn. in Enge. 

 Pfl. Reich. 2 Heft, (1900) s. 23 ;— Lange, Consp. Fl. Gronl. 116. 



Nom. Jap. Takane-mikuri (nov.) 



Hab. Yeso : Prov. Ishikari, Mt. Hiragatake, alpine belt, (leg. H. 

 Koidzumi ! Aug. 1917). 



Distr. Iceland, Arctic Eitropa, (northern Skandinavia ad Finland), 

 Northei-n Sibiria (a Yenissei ad Kamtschatka), Northern Canada 

 (Labrador et terra Hudson.), Greenland. 



New to the flora of Japan ! 



Rosa (Synstylae) adenochaeta Koidz. nov. sp. 



Haec planta Rosis multiflorae et Jackii habitu approximat, ab 

 ilia foliolis plus minus coriaceis subtus glabris floribus amplis roseis 

 pedicellis pedunculisque dense glanduloso-setosis bracteis bracteolisque 

 obsoletis, ab hac inflorescentia ampla multiflora floribus roseis calycis 

 lobis breviter caudatis pedunculis dense glanduloso — setosis bracteis 

 nullis stipulis pectinatisque differt. 



Frutex ramis hornotinis vii-idibus demum purpurescentibus glabris 

 aculeis sparsis recurvis munitis rarius glanduloso-setosis. Folia 7-16 

 cm. longa. Foliola 7-9 brevissime petiolulata, elliptica vel oblonga 

 raro obovata vel obovato-elliptica 1-5,5 cm. longa acuta vel praesertim 

 foliolis terminalibus obovato-oblongis vel obovato-ellipticis 2-6,5 cm. 

 longis breviter acuminatis, basi obtusa usque rotundata rarius late 

 cuneata, simpliciter serrata, serraturis breviter mucronatis vel aristatis, 

 supra glabra, subtus glabra vel ad costam sparse et minute pilosa ; 

 rhachis aculeis sparsis recurvatis et setis glandulosis munita, subglabra 

 vel dense pubescentia ; stipulae lineares dimidium petiolum aequantes 

 vel superantes pectinatae laciniis longe subulatis glanduloso-fimbriatis, 

 anriculis elongato-lanceolatis. Flores rosei 3,5-4,0 cm. diam., in pani- 

 culam amplam et ebracteatam dispositi, rhachibus pedunculisque den- 

 sissime glandidoso-setosis ; alabastrum globoso-ovoideum ; sepala ovata 

 7-8 mm. longa, subito in acumen linearem circ. 2-4 mm. longum con- 

 tracta intus albo-tomentosa extus laxe glanduloso-setosa, exteriora 

 appendicibus paucis linearibus glanduliferis praedita, mox reflexa ; 

 pclala late ovata profunde emarginata ; stylorum columna glabra. 



Nom. Jap. Tsukushi-ibara (nov.) 



