Crassulaceae 



497 



densely many-leaved, dark brown below; leaves broadly lin- 

 ear, 6-15 mm. long, 1-2.5 mm. wide, acute, entire, slightly 

 narrowed below; cymes rather small, the branches obliquely 

 spreading, few-flowered; flowers sessile, about I cm. across; 

 sepals 5, slightly unequal, linear to subulate-linear, about 2 

 mm. long; petals 5, acuminate, yellow, 5-6 mm. long; fruiting 



carpels 5, shortly connate at base. Rocks in mountains; 



Honshu (w. distr.), Kyushu; rare. Korea and China. 



23. Sedum yabeanum Makino. Tsushima-mannen- 



GUSA. Stems 5-15 cm. long, erect, ascending to short-creep- 

 ing and branched at the base; leaves linear to narrowly ob- 

 lanceolate, 1-2 cm. long, 1.5-3(^) mm. wide, subacute, 

 entire, ascending; inflorescence often 3-Iobed; flowers sessile, 

 yellow; sepals broadly lanceolate, obtuse; petals narrowly 

 lanceolate, acuminate, 5-6 mm. long, 3 or 4 times as long as 

 the sepals; stamens shorter than the petals, the anthers glo- 

 bose, slightly cordate; carpels 5, obliquely spreading. June- 

 July. Kyushu. 



24. Sedum subtile Miq. S. zentaro-tashiroi Makino 

 HiME-RENGE, Ko-MANNENGUSA. Green slender peren- 

 nial; stems rather slender, 4-10 cm. long, short-creeping from 

 the base; sterile shoots loosely leaved with a tuft of rosulate 

 leaves at the apex; leaves of sterile shoots opposite, rarely 

 verticillate in 3's to 5's, obovate, 5-15 mm. long, 3-5 mm. 

 wide, rounded to very obtuse, narrowed below to a slender 

 petiolelike base; leaves of flowering shoots alternate, rarely 

 opposite, linear, 5-20 mm. long, 1-2 mm. wide, obtuse; in- 

 florescence loosely flowered, the bracts linear; sepals narrowly 

 lanceolate to broadly linear, obtuse, slightly shorter to as long 

 as the petals; petals thin, lanceolate, about 5 mm. long, yellow; 

 stamens shorter than the petals, the anthers ovoid; carpels 5, 

 ascending. .\pr.-June. On mossy rocks in mountain for- 

 ests; Honshu, Shikoku, Kyushu. 



25. Sedum formosanum N. E. Br. Hama-mannegusa. 

 Green fleshy perennial; stems 10-15 cm. long, ascending, rather 

 stout, densely leaved, sparsely branched; leaves alternate, obo- 

 vate to nearly orbicular, 15-22 mm. long, 8-12 mm. wide, 

 broadly rounded at apex, narrowed to the cuneate base; cymes 

 radier large, 5-8 cm. across, many-flowered; flowers sessile, 

 about 1 cm. across, yellow, the bracts leaf like; sepals unequal, 

 linear-lanceolate, 2-3 mm. long, obtuse; petals narrowly lanceo- 

 late, acuminate, 6-7 mm. long; stamens much shorter than the 

 petals; carpels 5, the fruiting ones erect, broadly lanceolate, 

 5-6 mm. long, connivent above, shortly acuminate, terminated 



by a slender style about 1 mm. long. Kyushu. Ryukyus, 



Formosa, and China. 



26. Sedum makinoi Maxim. Maruba-mannengusa. 

 Stems 8-20 cm. long, ascending from a creeping branched 

 base; leaves opposite, rarely pardy verticillate, alternate in the 

 inflorescence, spathulate, 7-15 mm. long, 3-8(-10) mm. wide, 

 flat, fleshy; inflorescence large, much branched, the lower 

 bracts leaflike, ternate; flowers sessile, loosely arranged; sepals 

 linear-spathulate, ascending, spreading and rounded at apex, 

 unequal in length; petals narrowly lanceolate, 5-6 mm. long, 

 3-5 dmes as long as the sepals; stamens slightly shorter than 

 the petals, the anthers broadly ovoid, cordate; carpels ascend- 

 ing. — —June-July. Honshu, Shikoku, Kyushu. 



27. Sedum tricarpum Makino. Takane-mannengusa. 

 Flowering stems 10-25 cm. long, rather stout, the sterile basal 

 shoots more or less creeping; leaves alternate, spathulate, 20- 

 25 mm. long, 5-10 mm. wide, rounded at apex, flat, fleshy, 

 dense and disposed mainly toward the top of die sterile shoots, 



otherwise loosely arranged; inflorescence large, much 

 branched; flowers rather loosely arranged, the lower ones 

 with an oblanceolate or narrowly spathulate, leaflike bract; 

 sepals linear-spathulate to lanceolate, obtuse; petals narrowly 

 lanceolate, about 5 mm. long, much longer than the sepals; 



anthers broadly ovoid; carpels 3-5, ascending. May-July. 



Honshu (Chiigoku Distr.), Shikoku, Kyushu. 



28. Sedum tosaense Makino. Yahazu-mannengusa. 

 Closely allied to No. 27; leaves spathulate, fleshy, rounded and 



refuse; carpels consistently 5, spreading in fruit. Shikoku 



(Tosa Prov.). 



29. Sedum bulbiferum Makino. S. aljredii sensu auct. 

 Japon., non Hance; 5. lineare van floribundum Miq.; S. sub- 

 tile var. obovatum Fr. & Sav. Ko-mochi-mannengusa. 



Biennial or perennial with axillary bulbils; stems 7-20 cm. 

 long, short-decumbent and branched at base, without sterile 

 shoots; bulbils consisting usually of 2 pairs of small fleshy 

 scalelike leaves; lower cauline-leaves opposite, ovate-spathulate, 

 abruptly narrowed below, the upper ones alternate, spathulate- 

 oblanceolate, 10-15 mm. long, 2-A mm. wide, obtuse; inflores- 

 cence often branched; sepals broadly lanceolate to oblanceo- 

 late, obtuse; petals lanceolate, 4-5 mm. long, yellow, 1.5-2.5 

 times as long as the sepals; stamens shorter than the petals, the 

 anthers ovoid-ellipsoidal or ovoid-oblong; carpels 5, 4-5 mm. 



long. May-June. Shaded places in lowlands; Honshu, 



Shikoku, Kyushu; common. 



Sedum alfredii Hance var. nagasakianum Hara is allied 

 to S. bulbiferum, but the axillary bulbils are lacking; cauline 

 leaves opposite to ternate. Reported from Kyushu. 



Sedum rosulatobulbosum Koidz. K6rai-ko-mochi-man- 

 NENGUSA. Differs from S. bulbijerum in the obovate leaves, 

 the tufted stems, and the late-appearing many-leaved bulbils. 



Reported to occur in Hachijo Isl. in Izu Prov. Amami- 



oshima and Korea. 



30. Sedum leveilleanum Hamet. Cotyledon sikp\iana 

 Makino; S. orientoasiatictim Makino; Orostachys sil{okjanus 

 (Makino) Ohwi; Meterostachys sil{o\ianus (Makino) Hara 



Chabo-tsume-renge. Caudex short, rather stout; stems 



3-7 cm. long; basal leaves rosulate, hnear to narrowly ob- 

 lanceolate, only slightly flattened, fleshy, glabrous, 7-12 mm. 

 long, about 2 mm. wide, more or less callose and short spined 

 at apex; cauline leaves obsoletely or short spine-tipped, the 

 lowermost ternate, the upper ones alternate; flowers few, in 

 cymes, white to pinkish; sepals 1/3-1/2 as long as the petals; 



petals 3-4 mm. long; ovules 2 in each locule. July-Sept. 



Rocks in mountains; Honshu (w. distr.), Shikoku, Kyushu. 

 s. Korea. 



31. Sedum erubescens (Maxim.) Ohwi. Umbilicus 

 erubescens Maxim.; Cotyledon erubescens (Maxim.) Fr. & 



Sav.; Orostachys erubescens (Maxim.) Ohwi Tsume-renge. 



Monocarpic perennial; stems 6-15 cm. long, densely linear- 

 lanceolate leaved; winter basal leaves narrowly spathulate, 

 fleshy, flat, 1.5-3 cm. long, 4-7 mm. wide, callose, few-toothed 

 on the upper margin, short spine-tipped; summer cauline and 

 radical leaves scarcely callose-margined; spikes solitary, ter- 

 minal, 4-10 cm. long, 15-20 mm. wide, densely many-flow- 

 ered; flowers white to pinkish, 6-8 mm. long, very short- 

 pedicellate; anthers reddish at first, dark purple following 

 pollen dehiscence. Sept.-Oct. Rocks and dry slopes; Hon- 

 shu (Kanto Distr. and westw.), Shikoku, Kyushu. Korea, 



Manchuria, Ussuri, and n. China. 



