LiLIACEAE 



305 



I A. Plants 8-15 cm. high, usually with short, hairlikc pnpillac on the leaves beneath, on margin, and on the raceme-axis. . . 1. M. bijoUum 

 IB. Plants taller, 10-25 cm. high, glabrous 2. M. dilalatum 



1. Maianthemum bifolium (L.) F. W. Schmidt. Con- 

 vallaria bifo/ia L.; Smilacina bijolia (L.) Desf.; M. convallaria 

 Wiggers Hime-maizuru-s6. Rhizomes slender, long- 

 creeping; stems 8-15 cm. long, glabrous to scattered-papillose; 

 leaves 2, cauiine, petiolate, deltoid-ovate, cordate, 2-5 cm. long, 

 1.5-4 cm. wide, glabrous to scattered papillose, the marginal 

 cells columnar or ovate-deltoid; racemes about 20-flo\vered, 2-3 

 cm. long, the pedicels slender, 3-8 mm. long, the flowers white, 

 the tepals elliptic, 1-nerved, spreading or slightly recurved, 

 about 2 mm. long; style short, the stigma shallowly 2-lobed; 



fruit globose, red, about 5 mm. in diameter. May-July. 



Damp coniferous woods in mountains; Hokkaido, Honshu 



(centr. and n. distr.) ; rare. Kuriles, Sakhalin, n. Korea, 



also in Europe and North America. 



2. Maianthemum dilatatum (Wood) A. Ncls. & Macbr. 

 Convallaria bijolia var. l{amtschatica Gmel. ex Cham.; M. bi- 

 folium var. dilatatum Wood; Unijolium dilatatum (Wood) 

 Howell; M. \amtschaticum (Gmel.) Nakai; M. bijolium var. 



l{amtschaticum (Gmel.) Trautv. & C. A. Mey. Maizuru-s6. 



Closely resembles the preceding, but usually slightly larger, 

 deeper green and more lustrous, 10-25 cm. high, glabrous; 

 leaves cordate, ovate to deltoid-cordate, 3-10 cm. long, 2.5- 

 8(-10) cm. wide, the marginal cells semirounded, the pedicels 



3-7 mm. long; style rather stout. May-July. Coniferous 



woods; Hokkaido, Honshu, Shikoku, Kyushu; rather com- 

 mon. Kuriles, Sakhalin, e. Siberia, Manchuria, Korea, 



Kamchatka, and N. America. 



30. DISPORUM Salisb. Chigo-yuri Zoku 



Perennial herbs from creeping rhizomes; stems leafy, usually sparingly branched; leaves oblong to lanceolate, sessile or 

 short-petiolate; inflorescence 1- to few-flowered, umbellate, terminal, sessile, ebracteate, the pedicels simple; flowers tubular 

 or rotate, pendulous, the tepals 6, free, deciduous, sometimes saccate at base; stamens 6, inserted at base of the perianth, 

 the anthers lanceolate or oblong, semi-extrorse; ovary globose to obovoid, 3-locular, the ovules 2(-6) in each locule; berry 

 globose, the seeds ovoid-globose, brown. More than 10 species, in Malaysia, Himalayas, e. Asia, and N. America. 



lA. Flowers tubular, slightly broadened above; tepals oblanceolate, saccate at base; filaments and style more than twice as long as the 



anthers and ovary \. D. sessile 



IB. Flowers cup-shaped; tepals lanceolate, the base not saccate; filaments and style as long as to twice as long as the anthers and ovary. 

 2 A. Tepals glabrous, white or greenish; leaves abruptly acuminate. 



3A. Flowers white; style including stigma 2 to 3 times as long as the ovary 2. D. smilacinum 



3B. Flowers pale green; style including stigma 1 to IK times as long as the ovary 3. D. viridescens 



2B. Tepals distinctly papillose inside and on margin near base, yellowish; leaves caudate-acuminate ^. D. lutescens 



1. Disporum sessUe Don. Uvularia sessilis Thunb.; black, globose, about 7 mm. in diameter. Apr.-May. 



Tovaria hallaisanensis Lev.; D. hallaisanense (Lev.) Ohwi Woods in hilly country and foothills; Hokkaido, Honshu, Shi- 



H6cHAKU-s6. Plants from relatively short rhizomes; stems koku, Kyushu. Korea. 



30-60 cm. long, ascending and sparingly branched above; 3. Disporum viridescens (Maxim.) Nakai. Uvularia 



leaves oblong, sometimes broadly lanceolate to elliptic, 5-15 viridescens Maxim.; D. smilacinum var. viridescens (Maxim.) 



cm. long, 1.5-4 cm. wide, abrupdy acuminate, subsessile, mam- Maxim. O-chigo-itiri. Plant relatively larger, 30-70 cm. 



millate on the nerves beneath and the margin, green on both high, usually branched; leaves 6-12 cm. long, 2-5 cm. wide, 



sides, 3- to 5-nerved; flowers 1-3 at the end of the branches, the margins and nerves beneath with semirounded mammillae; 



pendulous, about 3 cm. long, white, greenish near the tip, the flowers usually larger than in No. 2, pale green, the tepals 



pedicels 1.5-3 cm. long, the tepals abruptly acute and some- 13-18 mm. long; filaments 4-5 mm. long, the anthers 3-4 mm. 



times cuspidate, gradually narrowed toward die saccate base, long; style about 4 mm. long, usually as long as the ovary. 



the inside and lower margin short soft pubescent; filaments Mountains; Honshu (centr. and Kanto Distr.). Korea, 



glabrous, about 2 cm. long, the anthers linear, 5-6 mm. long; Manchuria, and Ussuri. 



style glabrous, about 15 mm. long, 3-cleft; ovary ellipsoidal; 4. Disporum lutescens (Maxim.) Koidz. D. viridescens 



berry blue-black, about 1 cm. in diameter, globose. Apr.- var. lutescens Maxim. Kibana-chigo-yuri. Glabrous 



May. Woods in hilly country and foothills; Hokkaido, Hon- green perennial; stems 25-50 cm. high, simple or forked above, 



shu, Shikoku, Kyushu; common. Sakhalin and Ryukyus erect, ascending above; leaves several, loosely disposed, ovate- 



(?). oblong, 7-12 cm. long, 3-5 cm. wide, rather thin, smooth, 5- 



2. Disporum smilacinum A. Gray. D. smilacinum var. to 7-nerved, the upper ones larger, caudately acuminate, 



album Maxim. Chigo-yuri. Glabrous perennial herb rounded at base, sessile, the ner\'es slender, with about 3 vein- 



from slender, elongate rhizomes; stems 15-40 cm. long, sim- lets between them; flowers 1-3, in terminal sessile umbels, the 



pie or sparingly branched; leaves oblong, elliptic, or elliptic- pedicels 1-1.5 cm. long, slender, the tepals yellowish, about 



ovate, abruptly acuminate, subsessile, 4-7 cm. long, 1.5-3.5 cm. 1.5 cm. long, obliquely spreading, lanceolate, acute with an 



wide, rounded at the base, the margin smooth with semi- obtuse dp, 12-15 mm. long, 3-4 mm. wide, distinctly papillose 



rounded cells; flowers 1-2, white, terminal, pendulous on inside and on margin near base; stamens about Yz as long as 



slender pedicels 1-2 cm. long, the tepals thin, obliquely spread- the tepals, the anthers about 3 mm. long, the filaments about 4 



ing, lanceolate, 15-18 mm. long, acuminate, glabrous; fila- mm. long; ovary obovoid, the style about twice as long as the 



ments glabrous, 5-6 mm. long, the anthers narrowly oblong, ovary. May-June. Mountains; Honshu (Mt. Koyasan in 



2-3 mm. long; style 5-7 mm. long, smooth, 3-cleft; berry Kii), Kyushu; rare. 



