1903.] 



OBSERVATIONS ON THE FLORA OF JAPAN 180 



above, very loosely foliate, the largest one 3i mm. across at the basal portion. 

 Leaves narrowly linear, mncli shorter than the culm, attaining 3i mm. 

 wide, scabrous and trigonous towards the acutish apex. Corymb fasciculately 

 2-9-fiowered, attaining 1 cm. or more in diameter, more often subcompound 

 or compound, the lower ones distant and with the long peduncles which 

 are often binate from a vagina ; bracts angustato-linear. Spiculfe lanceo- 

 late, subulate, acuminate, erect, 7 mm. long, ferrugineo-castaneous, 5-flower- 

 ed. Empty glumes 3-4, ovate ; flowering ones elliptical-ovate. Sette 6, 

 long, antrorsely scabrous, exceeding the rostrum of the mature achene. 

 Stamens 2-3 ; filament lower than the style. Achene oval-obovate, bi- 

 convex, castaneous, transversely rugulose, 1| mm. long ; rostrum conical, 

 slightly shorter than the achene ; style very deeply bifid, the branches 

 longer than the main portion. 



Hah. Prov. Hyuga : Nishigatake-mura (li. Yatahe and J. Matsumura ! 

 herb. Sc. Coll. Imp. Univ. Tokyo, Aug. 5, 1882); Prov. TosA : Near 

 Sakawa (T, Ilakinol 1884, 1885), Yunoki in Hata-gori {T, Makino\ Aug. 

 G, 1889); Prov. Mikawa : Takashi-hara {G. Nagura\ Sept. 9, 1896; T, 

 Mahlno\ Aug. 1899); Prov. Haiuma : Tsurui-mura (/. Hashimoto \ Sept. 

 15, 1903); Prov. Bdzen : Jo-mura {M. Yanol Aug. 13, 1903); Prov. Tsu- 

 shima: Idzunohara (K. Iliratal Aug. 1901), Kutamichi (K. Hiratal Sept. 

 15, 1902). 



Rynchospora (Dichostyleee) glauca Yahl Enum. PI. II. (1806) p 

 233; Pvcem. et Schult. Syst. Yeg. II. p. 85; Spreng. Syst. Veg. I. p. 197 

 Kunth Enum. PL II. p. 297, excl. syn. pi. ; Boeck. in Linngea XXXVII 

 p. 585, excl. ''forma major ^^; Steud. Syn. PI. Glum. Cyper. (1855) p. 145 

 F. Muell. Fragm. Phyt. Austral. IX. p. 17, et Sec. Syst. Cens. Austral 

 PI. p. 214; Benth. F!. Austral. YII. p. 349; Clarke in Hook. fil. FI 

 Brit. Ind. VI. p. 671, et in Journ. Linn. Soc. XXXIV. p. 90 ; 0. Kuntze 

 Eev. Gren. PI. II. p. 756, et III. 2, p. 335 ; Pears, in Journ. Linn. Soc. 

 XXXIV. p. 358. 



ByncJiospora laxa P.. Br. Prodr. Fl. Nov. Holl. (1810) p. 230; Xees 

 in Linn^a VIII. p. 94, et IX. p. 297 ; Kunth 1. c. p. 298, excl. syn. ; 

 Miq. Fl. Ind. Bat. III. p. 337 ; Steud. 1. c. p. 148 ; Benth. Fl. Hongk. p. 

 397 ; Hillebr. Fl. Haw. Isl. p. 476, non Vahl. 



Schoenus laxus Poir. Encycl. Meth. Suppl. II. p. 252. 



RyncJiospora laxa p. minor Thw. 



Schcenus gracilis Sw. 



