91 



IwASHiRo: Mt. Shinobn {K. Nemofol Sopt. 12, 1894); Prov. Mikawa : 

 Takashi-hara (71 3M-inol Aug, 1899). 



I have named this in honour of Mr. IT. Hattori oi the Botanical 

 Institute, Science College, Imp. Univ. Tokyo. 



Rynchospora (Dichostylere) alba Vahl Enum. PI. II. (180G) p. 236 ; 

 Willd. Enum. PI. Hort. Bot. Berol. (1809) p. 71 ; Spreng. Syst. Veg. I. ]>. 

 194 ; Lindl. Syn. Brit. Fl. ed. 2, p. 297 ; Reichb. FI. Germ. Excurs. p. 74 

 (1830) ; Nees in Linn^ea IX. (1834) p. 279, excl. var. fusca ; Kunth 

 Enum. PI. II. (1837) p. 295 ; Nutt. Gen. N. Amer. PI. p. 33 ; Eoem. et 

 Schult. Syst. Veg. 11. p. 87, Mant. p. 48, et Add. II. p. 529 ; Boeck. 

 in Linmea XXXVI [. p. 570; Hook. Fl. Bor. Amer. II. p. 233; Ledeh. 

 Fl. Ross. IV. p. 259 ; Steud. Syn. PI. Glum. Gyp. p. .149 ; Nyman Syl. 

 Fl. Eur. p. 390 ; Koch Syn. Fl. Germ, et Helv. ed. 3, p. G40 ; Sowerby's 

 Engl. Bot. X. p. 46, tal). 1582; A. Gray Man. Bot. ed. 5, p. 569 ; Benth. 

 Handb. Brit. Fl. ed. 5, p. 47S ; Hook. fil. Stud. Fl. Brit. Isl. ed. 3, p. 

 446; Miq. Prol. Fl. Jap. p. 77, et Cat. Mus. Bot. Lugd.-Bat., Fl. Ja]). 

 p. 119; Franch. et Sav. Enum. PI. Jap. II. p. 121; Brit, et Br. 111. Fl. 

 N. Un. St. et Can. I. p. 277, fig. 651. 



Schmnus albus Linn. Sp. PI. p. 44 ; Richt. Cod. n. 373 ; Houtt. Nat. 

 Hist. XXXI. p. 5S ; Lamk. Enc. Metli. P>ot. I. p. 741 ; Willd. Sp. PI. 

 I. p. 267; Pers. Syn. PI. I. p. 59; Ait. Hort. Kcnv. ed. 2, T. p. 127; 

 Michx. Fl. Bor. Amer. I. p. 34. 



3fariscus alhus Gilib. 



Rynchospora alba var. a. Vahl. 1. c. p. 236. 



(PI. VII. fig. 12, «. &.) 



Ca3spitose, green, estoloniferous, attaining 50cni. or more in height ; 

 rhizome very short, densely and fasciculately rooting. Culm erect, slender, 

 very laxly pauci-foliate, sub-scabrous above. Leaves angnstato-linear or 

 setaceo-linear, attaining 2mm. broad, much shorter or sometimes more or 

 less longer than the culm, trigonous and scabrous in the apical portion j 

 obtuse at the apex. Corymb fiat on the top, ca])itately subcompound 

 in the terminal one and attaining l^jCm. in diameter, the lateral one none 

 or usually one or rarely two, in small cluster and pedimcled, arising from 

 the superior axils ; outer fioral bracts sliglitly exceeding the corymb, setaceous. 

 Spicuke fasciculate, nearly white, but pale fulvous when dried, linear- 

 lanceolate, subulate, 6mm. long, 2-flowered. Empty glumes 3-5, ovato- 

 lanceolate ; flowering ones longer, oblong-lanceolate. Sehe 1 1-14, uneiiual 

 in length, the longest one equal to or sliglitly exceeding the rostrum of the 

 mature achene, retrorsely scabrous, but antrorsely plumoso-ciliated at the 



