1903.] 



37 



Observations on the Flora of Japan. 



{Continued from p. 14.) 



By 



T. Makino, 



Assistant in the Botanical Institute, Science 

 College, Imperial University of Tokyo. 



Alsine arctica (Stev.) Fenzl " Verbreit. d. Alsin. p. 18/^ et in 

 Ledeb. Fl. Ross. I. p. 355 ; Kegel PI. Radd. I. pp. 338, 346, excl. var. /9, 



Arenaria arctica Stev. in litt. ex DC. Prodr. I. (1824) p. 404 

 Cham, et Schlecht. in Linn^ea I. p. 54 ; Spreng. Syst. Veg. II. p. 399 

 Hook. Fl. Bor. Amer. I. p. 100, tab. 34, excl. var. x- ', Torr. et Gray Fl 

 N. Amer. I. p. 181, excl. var. y. ; Robins, in A. Gray Syn. Fl. N. Amer. 

 L 1, p. 247. 



Arenaria sajanensis Willd. herb, ex Spreng. 1. c. 



Arenaria verna var, horealis herb. Sc. Coll. Imp. Univ. Tokyo, et 

 Cat. Herb. Coll. Sc. Imp. Univ. Tokyo, (1886) p. 23, non Fenzl. 



Leaves linear-subulate, obtuse, 1 or obsoletely 3-nerved, subcarnose. 

 Peduncles 1- rarely 2- flowered. Flower 8-12 mni. across. Sepals very 

 obtuse. Petals usually scarcely twice the length of sepals. Stamens 

 shorter than the petals. Ovary ovoid-oblong. 



Nom. Jap. Tahane-tsurnehusa (no v.) 



Rab. Prov. Shinano : Mt. Komagadake (H. Yatahe ! herb. Sc. Coll. 

 Imp. Univ. Tokyo, Aug. 2, 1880; K. Yazawal Aug. 1893; K. Watanahe \ 

 Aug. 1-3, 1894 ; S. Ilara ! Aug. 31, 1902 ; K, Tana\a ! Sept. 25, 1902), 

 Mt. Shirouma (if. Orii\ Aug. 29, 1902); Prov. Etchu : Mt. Tateyama 

 {R. Yatahe and. J. Blatsumura ! herb. ibid. July 24, 1884) ; Prov. Kitami : 

 Isl. Riishiri {T, Kaivakami ! herb. ibid. Aug. 1899). 



Not uncommon on alpine mountains in middle and northern Japan. 

 New to the Flora of Japan. 



Alsine verna (Linn.) Bartl. var. borealis Fenzl in Ledeb. Fl. Ross. 

 I. p. 349 ; Maxim, in Mel. Biol. IX. p. 23 ; Franch. et Sav. Enum. PI. 

 Jap. 11. p. 298. 



