298 



C. tristachya Thunb. Fl. Jap. 38 ; Boott, Carex IV. 131, t. 

 424; Diels in Engl. Bot. Jahrb. XXIX. 231 ; Clarke in Journ. 

 Linn. Soc. XXXVI. 315 ; Kukcnth. I.e. 471. 



Kiang-su : Wai-shan 



Nom. Jap. Moegi-suge. 



C. (Sect. xMitratae, Kukenth.— subsect. Eu-MitratiE Ku- 

 kenth.) sp. 



Rhozome Culm 2-3 dm. high, graeile, smooth. Leaves 



subequal to culm or shorter, 2 mm. broad, long acuminate, 

 subrigid, margin scabrous, inferior vagina brownish purple. 

 Spikes 4, the uppermost 2, subcontiguous, the terminal ^, 

 oblong or subclavate, 1.5-2 cm. long, lateral ones ^, oblong, 

 sublax-flowered, 8-10 mm. long, sudsessile. Bracts inconspi- 

 cuous ; setaceous, vaginae 3-4 mm. long. Squamae $ broadly 

 obovate or suborbicular, 2,5 mm. long, truncate or emarginate, 

 furnished with short scabrous awns, greenish on the back with 

 broad hyaline margin. Utricle a little exceeding the squama^, 

 3 mm. long, trigonous, attenuated towards both ends, rather 

 inconspicuously beaked, greenish. Nut trigonous annulate at 

 the upper end. Style-branches 3. 



Kiang-su. 



I have several specimens of this species, but unfortunately 

 in most of the female spikes the utricles are turgid, dark red 

 in colour, and destitute of nut. Only 2 or 3 spikes are found 

 uncolorcd and normal. The species is perhaps an undescribed 



Cyperus compressus L. ; Kuuth, Enum. PL II. 23 ; Boeck. 

 in Linn. XXXV. 517 ; C. B. Clarke in Hook. f. Fl. Brit. Ind. 

 VI. 605, et in Journ. Linn. Soc. XXXVI. 210. 



Kiang-su : Yu-shan (^jli). 



Nom. Jap. Kuga-gayatsuri. 



Cy. diflformis L. ; Benth, Fl. Hongk. 385 ; Kunth, Enum. 

 PI. II. 38 ; Clarke in Hook. f. Fl. Brit. Ind. VI. 599, et in 

 Journ. Linn. Soc. XXXVI. 210. 



Kiang-su : Mou-sek (M^). 



Nom. Jap. Tamagayatsun. 



Cy. Iria L. ; Thunb. Fl. Jap. 37 ; Kunth, Enum. PL H- 



