July 19,2.1 T. NAKAT.-CYPERACE^..GYPERIN^. JAPONO-COEEAN^J. 139 



CaiiHs humilis, Radii umbell^e elongati, caulibus sub^equi- 

 longis. Gluma 1 mm. vix attingens fuscens. Folia involucrata 

 2-3 longissima radium longissimum superantia. 



Cyperus flavidus Retz. Obs. V. p. 13. Roxb. F1. Ind. I. p. 

 200. C. B. Clark in Journ. Linn. Soc. XX. p. 287. XXL p. 

 122. XXV. p. 81. et in Hook. fil. Fl. Brit. Ind. VL p. 601. 

 Marino in Tokyo Bot. Mag. XIX. (1905). p. 14L 



Cyp. Haspan Bceck. in Linnsea XXXV. p. 574. p.p. 



Cyp. Fieldingii Steud. Syn. II. p. 11. 



Cyp. pseudo-Haspan Making in Tokyo Bot. Mag. VI (1892) 

 p. 47. 



Cyp. tenuispica Steud. Syn. II. p. 11. 

 Nom. Jap. Hime-gajatsuri. 

 Hab. Korea austr. 



Nipi3on, vShikokn et Kinsiii. 

 Distr. Geront. trop. et temp. 



Subsect. 2. Virides m. 



Gluma dorso distincte carinata viridis, rostro producto 

 recurvo. Rhachilla aptera. (Sp. 1.) 



Humilis 1-15 pollicaris. Radii umbell^e patentes. Gluma 

 subpatenti-recurva, 1-1.2 mm. longa. 



Cyperus hakonensis Fran, et Say. Enum. PI. Jap. II. p. 

 104 et p. 538. Making in Tokyo Bot. Mag. IV. (1890) p. 229. 

 C. B. Clark in Bull. Acad. Int. Geogr. Bot. (1904) p. 201 

 Matsum. Ind. PI. Jap. 11. p. 140. Nakai Fl. Kor. H. p. 288. 



Nom. Jap. Hina-gajatsuri. 



Hab. Nippon medius et austr., Shikoku, Kiusiu et Korea. 

 Planta endemica ! 



Subsect. 3. Apteri m. 



Compress! Kunth Enum. 11. p. 23. p.p. Bceck. in Linn^a 

 XXXV. p. 505 p.p. C. B. Clark in Hgok. fil. Fl. Brit Ind 

 VL p. 605 p.p. 



^ Gluma magna dorso carinata acuminata vix recurva. 

 Spiculai semel umbellatte v. capitatcC. Rhachilla aptera. (Sp. 1) 



