FEB. 1912.] T. 3IAKIN0.— OBSERVATION ON THE FLORA OF JAPAN. 27 



at first fimbriate. 



Nom. Jap. Yasha-dake (after I. Tsuboi). 



Hah. Prov. MiNO : Kusafuka, garden of I. Tsuboi, cultivated 

 from the side of Yasha-ga-ike, an alpine pond (T. Makino ! 

 Aug. 1899) ; Prov. Musashi : Komaba, cultivated (T. Makino ! 

 June 21, 1900, Oct. 1900, Dec. 1911), Tokyo, cultivated 

 {T. Makino ! Nov. 1906, March 1907, May 14-, 1907) ; Prov. 

 Hitachi: Mt. Tsukuba, spontaneous(T. Makino \ May 1900); 

 Prov. Sado : Near Kawarada {K. Usui I July 1900). 



This variety is readily to be distinguished from the type 

 by the more slender culm, elongated internodes, loose branches, 

 and broader leaves. 



Arundinaria variegata (Sieb.) Makino in Bot. Mag., 

 Tokyo, XXVI. (1912), p. 15. 



Bamhusa variegata Sieb. ex Miq. Prol. Fl. Jap. in Ann. 

 Mus. Bot. Lugd.-Batav. II. (1865-66), p. 285. 



Bamhusa Fortunei Van Houtte, Fl. des Serres, XV. tab. 

 1535 (1863). 



var. Tanakae Makino, 1. c. p. 16. 



Culms densely crowded, erect, attaining about 2|m. in 

 height and 5|mm. in diameter, slender, simple or laxly branch- 

 ed, encircling with coriaceous glabrous sheaths and then bare 

 from them in age, terete, fistulose, smooth, green ; internodes 

 about 10-22cm. long ; nodes somewhat prominent, pubescent 

 or glabrous ; culm-bud narrow and pubescent. Leaves placed 

 towards the top of the culm, approximate, lanceolate, but 

 narrowly lanceolate or linear-lanceolate in the superior ones, 

 more or less abruptly acuminate at the apex, rounded or 

 obtuse at the base but attenuated in the superior ones, shortly 

 petiolate, scabrous on margins, chartaceous, glabrous on both 

 surfaces, green above, slightly pallid beneath, mainly decaying 

 and deciduous in winter, 8-25cm. long, 8-30mm. broad ; veins 

 3-7 on each side of the midrib ; venules finely tessellate ; 

 ligule short and truncate ; sheath glabrous, finely'- striate, 

 naked or ciliated on margins, fimbriato-ciliated at the mouth. 



Nom. Jap. Sudare-yoshi (Blind-Reed). 



