K. MiYABE AND Y. KuDo : Mateeials fok a Floea of Hokkaido. III. 73 



TOFIELDIA HUDS. 



Key to the Hokkaido species of Tofieldia, 



( Pedicels erect or obliquely erect, straight and not nodding 2 



( Pedicels patent and more or less nodding 3 



Pedicels short and thick, shorter than the capsules. Capsules ovate-cylindrical, with 

 short and thick styles. Perianth-segments one-nerved, about half the length of 

 the capsule T. Okuhoi Makino. 



Pedicels long and slender, longer than the capsules. Capsules subglobose, with 

 long and slender styles. Perianth-segments three-nerved, nearly as long as the 

 capsule T. yezoensis nob. 



(Inflorescence rather loosely flowered. Capsules ellipsoid T. Kondoi nob. 

 Inflorescence more or less densely flowered. Capsules subglobose, broadly obovoid 

 or globoso-turbinate 4 



, Inflorescence very dencely flowered. Perianth-segments generally one-nerved, whitish. 



I Cap.sules yellowish-white. Styles tijjped with a prominent stigma T. nutans Willd. 



4. I Inflorescence less densely flowered. Perianth-segments generally three-nerved, green. 

 Capsules blackish or blackish-purple. Styles tipped with a small and not pro- 

 \ minent stigma T. fusca nob. 



24. Tofieldia Okuboi Makino, Tokyo Bot. Mag. 12. (189S) p. 42; Takeda, 

 in ibidem 24, p. oil. 



T. nutans Takeda, Tokyo Bot. Mag. 24. p. 317. p. p. 



NoM. Jap. Hime-iiuashobu. 



Hab. Yezo. Prov. Tokaclii : Mt. Tokacliidake (S. Suganuma V^ July 16, 1900). 

 — ^Prov. Ishikari : On the summit of Mt. Yubari (A. Hamana and H. Yanagi- 

 sawa ! Aug. 6, 1912 ; S. Nishida ! Aug. 8, 1913). 



Kuriles. Etorofu : Mt. Atoiya (Kawakami ! 1898). 



DiSTEiB. In the alpine region of Honsiu, Yezo and the Southern Kuriles. 



25. Tofieldia yezoensis Miyabe et Kudo. sp. nov. 



Hhizoma breve, foliis vetulis vestitum., radices elongatas filiformes tomentosas 

 emittens. Folia linearia, falcata, ensiformia, apice sensim acuminata, basi 

 equitantia, 6-10 cm longa, 2-3 mm lata, j)lerumque 9-nervata, nervibus 5 promi- 

 nentibus, subcoriacea, utrinque scabriuscula, margine cartilago-scabra. Scapus 

 erectus, ascendens, laevis, cum inflorescentia 14-17 cm longus, foliis 1/2-2/3 plo 

 longior, saepius 2-foliatus, folio inferiore frondoso, deorsum longe vaginato, 4.5-6 

 cm longo, folio superiore parvo, breviter supra medium inserto, 1.5-2 cm longo. 

 Inflorescentia racemosa, laxiuscule multiflora, 2.5-3.5 cm longa, bracteis minutis 

 ovatis apice acutis vel acuminatis, distincte imi-nervatis margine scariosis, pedi- 



1) ^ffilE^' 



