496 



Crassulaceae 



toothed, short-petiolate; inflorescence large, very many-flow- 

 ered; sepals narrowly deltoid; petals oblong-lanceolate, 5-6 

 mm. long, acute, 3^ times as long as the sepals; stamens about 

 as long as the petals, the anthers purplish, narrowly ovoid. 

 July-Oct. Planted in our area, unknown as a wild plant. 



11. Sedum okuyamae Ohwi. Ko-benkei-s6. Resem- 

 bles the preceding, but more slender, and the upper part of the 

 stems declined, the lowest branches of the inflorescence 

 shorter; glaucous glabrous perennial; stems solitary, terete, 

 about 30 cm. long; leaves opposite, obtuse, toothed, 3-9 cm. 

 long, 2-4 cm. wide, yellowish brown spotted, the veinlets 

 slender, obscure; flowers many, pale green; sepals narrowly 

 deltoid, about 2 mm. long; petals acuminate, about 5 mm. 

 long; carpels suberect, 4-5 mm. long in fruit. Sept. Hon- 

 shu (n. distr.) . 



12. Sedum sordidum Maxim. Chichippa-benkei-s6. 

 Stems 20-40 cm. long; leaves alternate, sometimes opposite, 

 ovate or ovate-orbicular, 2-4 cm. long, 15-30 mm. wide, ob- 

 tuse, tinged with brown-purple, remotely undulate-toothed, 

 the petiole often to 10 mm. long; inflorescence many-flowered, 

 often lobed; flowers pale yellow-green; sepals ovate, acute; 

 petals narrowly ovate, about 4 mm. long, 2-3 times as long as 

 the sepals, acute; stamens about as long as the petals, the an- 

 thers brown-purple; carpels ovate in fruit, erect. Aug.-Oct. 



Honshu (Uzen, Echigo, and Shinano Prov.); rather rare in 

 mountains. 



13. Sedum viride Makino. Ao-benkei-so. Closely al- 

 lied to the preceding; leaves usually opposite, rather loosely 

 arranged, with shallower depressed marginal teeth, the peti- 

 oles distinct, to 15 mm. long; inflorescence densely flowered, 

 usually not lobed. Aug.-Oct. Shikoku, Kyushu. 



14. Sedum aizoon L. S. maximowiczii Kegel Hoso- 



BA-N0-KiRiN-s6. Rhizomes stout; stems 1-2, erect, 20-50 cm. 

 long, rather stout; leaves flesTiy, usually alternate, oblanceo- 

 late to broadly so, rarely narrowly oblong, 3-6 cm. long, 5-7 

 mm. wide, subacute, toothed, sessile; inflorescence many- 

 flowered; flowers yellow, 10-13 mm. across; sepals broadly 

 linear, obtuse, slightly broadened below; petals lanceolate to 

 broadly so, long-acuminate, 6-7 mm. long, 1.5-2 times as long 

 as the sepals; stamens shorter than the petals, the anthers yel- 

 low; carpels ovate, ascending, briefly connate at base.- July- 

 Sept. Hokkaido, Honshu. Siberia. 



15. Sedum kamtschaticum Fisch. S. si\okianuin 

 Maxim.; S. aizoon subsp. \amtschaticutn (Fisch.) Froederstr.; 

 S. ellacombianum Praeg. Kirin-s6. Resembles the pre- 

 ceding; rhizomes stout; stems tufted, 5-30 cm. long, some- 

 times branched at base; leaves alternate, rarely opposite, 

 broadly oblanceolate to obovate, 2-4 cm. long, 1-2 cm. wide; 

 flowers many to few; carpels ascending to spreading; anthers 



yellow. July-Sept. Hokkaido, Honshu, Shikoku, and 



Kyushu; rather common on rocks in mountains especially 

 northward. Sakhalin, Kuriles, Kamchatka, and Ussuri. 



16. Sedum lineare Thunb. O-no-mannengusa. Stems 

 10-20 cm. long, fleshy; sterile innovation-shoots ascending, 

 later creeping; leaves linear, 20-25 mm. long, about 2 mm. 

 wide, ternate, rarely subopposite, rather flat and broadened at 

 base, gradually narrowed and terete above, acute, with an ob- 

 tuse tip; inflorescence rather large, lobed, loosely rather many- 

 flowered; flowers sessile in the axils of linear bracts; sepals 

 broadly linear to lanceolate; petals lanceolate, 6-7 mm. long, 

 acuminate, 1.5 times as long as the sepals; stamens shorter 

 than the petals, the anthers oblong, cordate, mucronate fol- 



lowing anthesis; carpels 5, suberect. May-June. Honshu, 



Shikoku, Kyushu. Ryukyus. 



17. Sedum sarmentosum Bunge. S. lineare var. con- 

 tractum Miq. Tsuru-mannengusa. Resembles the pre- 

 ceding; leaves oblanceolate, 15-25 mm. long, 3-5 (-6) mm. 

 wide, obtuse, flat; sepals linear-lanceolate, 1/2-3/4 as long as 

 the petals; anthers narrowly ovoid to oblong, cordate. May- 

 June. Frequently planted; reported to be spontaneous in Kyu- 

 shu. Korea, Manchuria, and n. China. 



18. Sedum uniflorum Hook. & Arn. Kogome-mannen- 

 GusA. Stems creeping, tufted and much-branched, 3-10 cm. 

 long, fleshy, densely leafy; leaves alternate, narrowly cylindric- 

 oblong, 3-5 mm. long, 1.5-2 mm. wide, rounded at the apex, 

 slightly narrowed at base, sessile; flowers terminal, solitary; 

 sepals narrowly oblong, slightly narrowed at base, 2.5-3 mm. 

 long; petals oblong, subobmse, longer than the sepals; stamens 



shorter than the petals. Rocks near the sea; Kyushu (Yaku- 



shima) ; rare. Ryukyus. 



19. Sedum otyzifoMum Makino. Taitogome. Stolons 

 long-creeping; stems erect, 5-12 cm. long; sterile shoots densely 

 leafy on upper part; leaves alternate, cylindric-obovoid to -ob- 

 long, 3-6 mm. long, 1-1.5 mm. wide, rounded to very obtuse, 

 sessile; inflorescence often trichotomously branched, rather 

 densely many-flowered; sepals ovate-oblong, rounded at the 

 apex; petals broadly lanceolate, acuminate, 4-5 mm. long, at 

 most 1.5 times as long as the sepals; stamens shorter than the 

 petals, the anthers ovate-globose, cordate; carpels slighdy as- 

 cending. May-July. Rocks near the sea; Honshu (Kanto 



Distr. and westw.), Shikoku, Kyushu. 



20. Sedum japonicum Sieb. Me-no-mannengusa. 

 Flowering stems erect, terete, 10-15 cm. long, bearing sterile 

 shoots at base; leaves nearly terete to slightly flattened, 5-10 

 mm. long, about 2 mm. wide, broadest slightly above the 

 middle, rounded to very obtuse; inflorescence usually 3 or 4 

 times branched, many-flowered; flowers nearly sessile; sepals 

 unequal in length, linear-oblong to oblong, obtuse to sub- 

 rounded; petals lanceolate, acuminate, 6-7 mm. long; stamens 

 shorter than the petals, the anthers ovoid-globose, cordate; 



carpels spreading. May-June. Rocks in thin woods and 



sunny slopes in foothills; Honshu, Shikoku, Kyushu; common. 



Var. senanense (Makino) Makino. 5. senanense Makino 



Miyama-mannengusa. Slightly smaller in all parts, and 



frequently reddish, the leaves narrowly oblong, slightly nar- 

 rowed above, obtuse. May-Aug. Alpine slopes; Honshu 



(centr. distr.) . 



21. Sedum hakonense Makino. Matsu-no-ha-mannen- 

 gusa. Stems 5-10 cm. long, erect, ascending or creeping, 

 much branched at the base; leaves linear, 1-2.5 cm. long, 

 (l-)2-3 mm. wide, fleshy, slightly flattened, somewhat 

 rounded at the apex; inflorescence often trichotomously 

 branched, rather loosely many-flowered; flowers sessile; sepals 

 4, rather unequal, deltoid to oblong, very obtuse; petals 4, 

 yellow, broadly lanceolate, about 4 mm. long, acute, much 

 longer than the sepals; stamens 8, as long as the petals, the 



anthers cordate-globose. Aug. Honshu (Sagami, Izu, and 



Suruga Prov.) ; rare. 



Var. rupifragum (Koidz.) Ohwi. Sedum nipifragum 



Koidz. O-me-no-mannegusa. Flowers 4- to 5-merous. 



Honshu (Izumo). 



22. Sedum polytrichoides Hemsl. S. \iusianum Ma- 

 kino Unzen-mannengusa. Stems densely tufted, erect, 



branching at base, about 10 cm. long, usually simple above. 



