90 



scabrous above, laxly foliate. Leaves mucii shorter than the culm, an- 

 gustato-linear, attaining 'i nnn. wide, trigonous and scabrous towards the 

 obtuse apex. Corymb 1 or api)roximately 2-3-spiculose, lower ones long- 

 pediincled ; peduncle erect ; bracts setaceo-linear, but superior ones setaceous. 

 Spiculc'e erect, angustato-lauceolate, or lanceolate, acuminate, 2-3-flowered, 

 5-6 rnm. long, ferrugineo-brunneus. Empty glumes 2, ovato-lanceolate ; 

 flowering ones oblong-ovate or elliptico-ovate. Sette 6, usually longer than 

 the achene but lower than the rostrum, retrorsely scabrous. Stamens 

 2. Achene narrowly oblong, smooth, pale-flavescent, 2-2^ mm. long ; 

 rostrum angustato-conical, e(jual to or shorter than the achene ; style slender, 

 2-fid above, the branches about -^ as long as the main portion. 



Eah. Prov. Euhigo : Mt. Shimidzu-tHge {T. Maldno\ Sept. 1888); 

 Prov. KiKUCHU : Mt. Kurikoma {T. Maldno\ Aug. 1890); Prov. Kikuzen : 

 Mt. Katta-dake (T. Yabe ! herb. Sc. Coll. Imp Univ. Tokyo, Aug. 17, 1898). 



An allied species to the North-American llynchospora capillacea Torr. 

 I have named this species in honour of Mr. Atsushi Yasuda, Professor of 

 Biology in the Fourth High School in Sendai, prov. Kikuzen. 



Rynchospora (Dichostyleaj) Hattoriana Makino, sp. nov. 



(PL VII. fig. 11.) 



C^spitose, green, attaining 5.5 cm. in height, estoloniferous ; rhizome 

 very short, with dense fibrous roots. Culni erect, slender, setaceo-iiliform 

 above, one-sulcate on one side, subscabrous in the apical portion, laxly 

 foliate, laxly branched and disparsedly and distantly corymbiferous through- 

 out, the branches erect, very much shorter than the culm. Leaves much 

 shorter than the culm, angustato-liuear, attaining 1^ mm. wide, trigonous 

 and scabrous towards the obtuse apex. Corymbs small, fasciculately 3-7- 

 spiculose, attaining .5 mm. across ; the lateral ones shortly peduncled ; bracts 

 setaceous. SpicuUy erect, 2-3-fiowered, ovato-lanceolate, shortly acuminate, 

 ferrugineo-brunneus, 3^ mm. long. Empty glumes 2-3, narrowly ovate ; 

 the flowering ones ovate or elliptico-ovate. Setie 6, slightly longer than 

 the achene, ferruginous, retrorsely scabrous. Stamen 1 ; filament equal 

 to the rostrum of the mature achene in height. Achene orbiculato-obovate 

 or broadly obovate, biconvex, castaneous, or pale- stramineous and sometimes 

 with a castaneous stain, transversely slightly rugulose, l^ram. long; rostrum 

 angustato-conical, slightly shorter than the achene; style deeply bifid, the 

 branches ^ as long as the main portion. 



Hah. Prov. Sagami : Hokone {1\ Blakino ! Sept. 15, 1886) ; Prov. 



