Oct. iiii2.] T. MAKIJSO.^OBSERVATIONS ON THE FLORA OF JAPAN. 293 



v 



Buxus sempervirens Linn. Sp. PI. p. 983. 



var. riparia Makino, var. nov. 



Shrub, attaining about 1 m. in height, densely ramose and 

 densely leafy. Extreme branchlets tetragonous, often stout. 

 Leaves oblanceolate to obovate, cuneate below, usually emargi- 

 nate or sometimes rounded at apex, entire, very shortly petio- 

 late, thickly coriaceous, glabrous, shining and finely veined 

 above, paler and invisible in veins beneath, angustately revo- 

 lute on margin when dried, 15-27 mm. long, 5-11 mm. broad. 

 Rudimentary ovary in the male flower 2 mm. long, erect, 

 straight, fungiform, the stipe 4-sulcate, the top truncato- 

 capitate and 1 mm. across, 2-parted, the partitions again 2- 

 lobate. 



Nom. Jap. Ko-tsuge (nov.). 



Hab. Prov. Tosa: Kawaguchi in Nagaoka-gori, spontane- 

 ous (T. Makinol May 1893). 



Intermediate one between Var. japonica (Muell. Arg.) 

 Makino and yar. microphylla (Sieb. et Zucc.) Bl. It grows 

 by side of River Yoshino. 



Cobresia Bellardii (All.) Degland.; Kiikenthal, Caricoid. 

 in Engler's Pfl.-Reich. (1909), p. 37, fig. 8 A-B. 



Carex Bellardi All. Fl. Pedem. II. (1785), p. 264, tab. 92, 

 fig. 2. 



Cobresia scirpina Willd. Sp. PI. IV. (1805), p. 205. 



Nom. Jap. Higehari-suge (T. Makino). 



Hab. Prov. Shinano : Mt. A'atsugatake [S. Takashima ! 

 Aug. 1, 1907; r. Makinol Aug. 1908). 



Very rare. This is found on alpine mountain in Japan, and 

 new to the Flora of this country. 



Carex hebecarpa C.A. Mey. var. Maubertiana (Boott) 

 Franch. in Nouv. Archiv. Mus. Paris, 3 ser. X. (1898), p. 70; 

 Kiikenthal, Caricoid. in Engler's Pfl.-Reich. (1909), p. 745. 



Carex Maubertiana Boott, 111. Carex, I. (1858), p. 45, tab. 

 114. 



