502 



Saxifragaceae 



broadly obovate, about 5 mm. long, 1.5-2 times as long as the 

 calyx-lobes; capsules subinferior, broadly obovoid, about 8 mm. 



long, shallowly 2-lobed; seeds ovoid, smooth. July-Aug. 



Wet rocks near the sea; Hokkaido (Nemuro Prov.). ^Ku- 



riles, Sakhalin, Ochotsk Sea region, Alaska, and Kamchatka. 



3. Saxifraga fusca Maxim. S. ftisca var. divaricata Fr. 



& Sav. Ezo-KUR0-KUM0-s6. Perennial herb with short 



creeping rhizomes; radical leaves long-petiolate, reniform- 

 orbicular, 3-6 cm. long, 4-10 cm. wide, regularly coarse- 

 toothed, nearly glabrous; scapes 20-30 cm. high, glabrous 

 below; panicles terminal; flowers many, loose, brown, the 

 pedicels slender, 5-12 mm. long, sparingly glandular-hairy; 

 calyx-lobes broadly ovate, obtuse, about 1 mm. long, re- 

 curved; petals narrowly ovate, 2.5-3 mm. long, obtuse, spread- 

 ing, the disc prominent; stamens short, the filaments linear; 

 capsules superior, erect, 4-6 mm. long, the carpels connate at 

 base; seeds oblong, about 0.8 mm. long, 1-ribbed, short- 

 mucronate at both ends, with minute tubercles in longitudinal 



rows. ^July-Sept. Streams and ravines; Hokkaido, Honshu 



(n. distr.). s. Kuriles. ^Forma kurilensis Ohwi. S. 



fusca var. \urilensis Ohwi. Chishima-kuro-kumo-so. With- 

 out glandular hairs on the inflorescence. ^Forma inter- 

 media Hara. Usuge-kuro-kumo-so. With longer, flexuous 

 glandular-hairs on the inflorescence. 



Var. kikubuH Ohwi. S. fusca sensu auct. Japon., non 



Maxim.; S. \i\ubu\i Ohwi; S. fusca var. \iusiana Hara 



KuR0-KUM0-s6, KiKUBUKi. Hairs eglandular; scapes long- 

 pubescent at base, the inflorescence short-pubescent, the pedi- 

 cels 2-7 mm. long, the flowers dark purple-brown, some- 

 times greenish brown. ^July-Sept. Wet places along 



streams and ravines in mountains; Honshu (centr. and n. 

 distr.), Shikoku, Kyushu. 



4. Saxifraga japonica H. Boiss. Fuki-yuki-no-shita. 

 Rhizomes stout, short-creeping; radical leaves tufted, ovate- 

 cordate, the blades 3-10 (-15) cm. long and as wide, irregu- 

 larly acute-toothed, nearly glabrous, the petioles 10-35 cm. 

 long; scapes 15-80 cm. long, often with l(-3) small leaves, 

 loosely curly-pubescent; panicles 15-40 cm. long, rather loosely 

 many-flowered; flowers white, the pedicels 5-20 mm. long; 

 calyx-lobes ovate, recurved, obtuse; petals obliquely spreading, 

 ovate, obtuse, 3-4 mm. long; stamens slightly longer than the 

 petals, the filaments nearly linear, the disc surrounding the 

 base of the ovary; capsules 10-12 mm. long, the carpels erect, 

 obliquely ascending on die upper part; seeds fusiform, about 

 1 mm. long, longitudinally mammillate-ribbed, the tail at each 



end as long as the body. July-Aug. Wet rocks, stream 



banks and ravines in mountains; Hokkaido, Honshu (n. and 

 centr. distr.), Shikoku. 



5. Saxifraga reniformis Ohwd. S. punctata sensu auct. 

 Japon., non L.; S. ohwii Tatew., quoad plant; S. punctata 

 subsp. reniformis (Ohwi) Hara Chishima-iwaeuki. Rhi- 

 zomes creeping, rather slender, short; radical leaves long- 

 petiolate, reniform or reniform-orbicular, 5-10 cm. long, 3-6 

 mm. wide, regularly coarse-toothed, nearly glabrous; scapes 

 5-25 cm. high; inflorescence corymbose, densely flowered, the 

 peduncles and axis soft short-pubescent; calyx-lobes recurved, 

 narrowly ovate, about 2 mm. long, obtuse; petals obliquely 

 spreading, white, sometimes with a reddish purple hue, ob- 

 long, about 3 mm. long, shordy clawed below; stamens as 

 long as to slighdy shorter than the petals, the filaments 

 slightly flattened and dilated toward tip; capsules 4-5 mm. 

 long; carpels oblong, erect, with a spreading apex; style very 



short; seeds broadly fusiform, subacute, about 0.7 mm. long. 



July. Wet places along streams and ravines in mountains 



and alpine regions; Hokkaido (Rishiri Isl. and Mount Dai- 

 setsu) ; rare. Sakhalin, Kuriles, and Kamchatka. 



6. Saxifraga sachalinensis F. Schmidt. S. virginiensis 

 var. yesoensis Franch.; S. yesoensis (Franch.) Engl.; S. reflexa 



sensu auct. Japon., non Hook. Yama-hana-so. Perennial 



rhizomatous herb, rather long glandular-hairy on the vege- 

 tative parts, shorter-pubescent on the inflorescence; radical 

 leaves rosulate, ovate to oblong, 2-10 cm. long, 1-5 cm. wide, 

 subobtuse to rounded at apex, rather fleshy, abruptly narrowed 

 below and decurrent, dentate, often purplish beneath, the 

 petioles 0.5-2.5 cm. long; scapes 10-40 cm. long; panicle 

 loosely many-flowered, the pedicels 5-15 mm. long; calyx- 

 lobes recurved, narrowly ovate, about 2 mm. long; petals 

 white, ovate, obtuse, 3-4 mm. long, 3-nerved; stamens nearly 

 as long as the petals, the filaments broadened above; capsules 

 4-6 mm. long; carpels ovoid, ascending, shordy reflexed at 

 apex; seeds fusiform-ellipsoidal, about 0.7 mm. long, mucro- 

 nate at both ends, longitudinally ribbed. May-June. Hok- 

 kaido. Sakhalin and s. Kuriles. 



7. Saxifraga laciniata Nakai & Takeda. Kumoma-yuki- 

 No-SHiTA, HiME-YAMA-HANA-so. Rhizomcs short; radical 

 leaves rosulate, oblong-cuneate, 2-3 cm. long, 8-12 mm. wide, 

 sessile, with few teeth on the upper margin, glandular-ciliate, 

 slightly fleshy, yellowish green; scapes 5-10 cm. long, glandu- 

 lar-pubescent; inflorescence cymose, terminal, rather few- 

 flowered; calyx-lobes recurved, ovate-oblong, 2-3 mm. long; 

 petals white, narrowly ovate, 4-5 mm. long, clawed at base, 

 with 2 yellow spots on lower portion, 3-nerved; stamens 

 shorter than the petals, the filaments subulate; capsules su- 

 perior; carpels connate on lower half, ovoid, 5-6 mm. long; 



seeds ovoid, small, tuberculate on the longitudinal ribs. 



July-Aug. Alpine; Hokkaido (Mount Daisetsu and Mount 

 Yubari) ; rare. Sakhalin and n. Korea. 



Saxifraga takedana Nakai. Tsuru-kumomagusa, with 

 elongate rhizomes. Occurs with and probably only an eco- 

 logical variant of the preceding. 



8. Saxifraga sendaica Maxim. Sendai-so. Rather 

 fleshy perennial herb; stems simple, terete, stout, 3-20 cm. 

 long, erect, 3-8 mm. in diameter, fleshy, leafy toward the 

 summit, with scarious scalelike leaves below; leaves long- 

 petiolate, ovate-orbicular, 4-10 cm. long, 3-7 cm. wide, shal- 

 lowly 7- to 9-lobed, irregularly toothed, rather fleshy, lustrous 

 above, glabrous, glandular-hairy on the margins, petioles 2-10 

 cm. long; scapes 5-8 cm. long; panicle corymbose, the pedicels 

 short glandular-puberulent; calyx-lobes ovate-oblong, obtuse, 

 about 4 mm. long; petals lanceolate, acute, white, of two 

 lengths, the longest to 20 mm. long; stamens about 5 mm. 



long. Oct. On shaded rocks in mountains; Honshu (Ise 



and Yamato Prov.), Shikoku, Kyushu; rare. Forma lacini- 

 ata (Nakai) Ohwi. S. sendaica var. laciniata Nakai. A rare 

 phase with deeply lobed leaves. 



9. Saxifraga fortunei Hook. f. var. incisolobata (Engl. 

 & Irmsch.) Nakai. S. cortusaefolia sensu auct. Japon., non 

 Sieb. & Zucc; S. mutabilis Koidz.; S. cortusaefolia var. typica 



subvar. incisolobata Engl. & Irmsch. Dai-monji-so. 



Slightly fleshy perennial with short rhizomes; radical leaves 

 long-petiolate, stipulate, reniform-orbicular, 3-15 cm. long, 

 4-20 cm. wide, cordate, rarely truncate at base, palmately 

 lobed and dentate, nearly glabrous to coarsely hirsute, the 

 petioles 3-30 cm. long; scapes 5-35 cm. long, naked or rarely 



