442 



Ranunculaceae 



cent inside; anthers much shorter than the filaments, the fila- 

 ments linear, slightly pubescent; achenes 5-6 mm. long, 



broadly lanceolate. Apr .-June. Thickets in mountains; 



Honshu, Shikoku. Forma cremea (Makino) Tamura. C. 



japonica var. cremea Makino Shiro-hanshozuru. Pe- 

 duncles longer, bracteate near the middle. Honshu (Nikko 



in Shimotsuke) . 



8. Clematis lasiandra Maxim. Takane-hanshozuru. 

 Nearly glabrous scandent herb with slender woody branches; 

 leaves petiolate, once to twice ternately compound, thin, the 

 leaflets broadly lanceolate to broadly ovate, 4-8 cm. long, 1.5-4 

 cm. wide, acuminate, acute to shallowly cordate at base, with 

 coarse deltoid, mucronate teeth, petiolate or subsessile; 

 flowers solitary or 2 or 3, campanulate, 12-18 mm. long, the 

 terminal peduncles naked, the lateral ones 2-8 cm. long, with 

 a pair of small broadly linear bracts on lower part; sepals 4, 

 rather thick, narrowly oblong to broadly lanceolate, nearly 

 glabrous except the short white densely tomentose margin; 

 stamens slightly shorter to nearly as long as the sepals, the fila- 

 ments long-villous, the anthers broadly linear, about 2 mm. 

 long; achenes many, ovate, about 3 mm. long, with spreading 



hairs; style slender, 2.5-3 cm. long, white. ^Aug.-Oct. 



Honshu (Chiigoku Distr.), Shikoku, Kyushu. 



9. Clematis serratifolia Rehd. C. orientalis var. serrata 

 Maxim.; C. orientalis var. wiljordii Maxim.; C. sibiricoides 



Nakai O-waku-note. Scandent subshrub, the nodes and 



young parts short-pubescent; leaves pinnately biternate, the 

 petioles 4-5 cm. long, the leaflets 3-5 cm. long, 1-3 cm. wide, 

 petiolulate, often irregularly 2- to 3-fid, coarsely toothed, spar- 

 ingly pubescent on both sides, glaucous, acuminate; peduncles 

 erect, 10-14 cm. long, white-pubescent, with small bracts near 

 base; flowers nodding, broadly campanulate; sepals 2-3 cm. 

 long, about 1 cm. wide, narrowly ovate, gradually narrowed 

 above and acuminate, membranous; stamens 5-7 mm. long, 

 the filaments lanceolate-subulate, silky especially on margin, 

 the anthers 2-2.5 mm. long, yellowish, obmse; achenes ovate, 

 about 2.5 mm. long, pilose, the tail 4.5-5 cm. long, slender, 



long white-pilose. Hokkaido (near Wakkanai in Kitami 



Prov.). Manchuria, n. Korea, and Ussuri. 



10. Clematis williamsii A. Gray. C. montana var. wil- 

 liamsii (A. Gray) O. Kuntze; C. montana var. bissetii 

 O. Kuntze Shirobana-no-hansh6zuru. Scandent, gray- 

 brown pubescent; leaves ternate, the leaflets short-petiolulate, 

 rather thin, often nearly glabrous above, ovate to oblong, 3-8 

 cm. long, 1-3.5 cm. wide, few-toothed, cuneate to rounded 

 at base, usually 3-fid, the median lobes acuminate; flowers 

 vsfhite, cup-shaped or broadly campanulate, 1.5-5 cm. long, 

 nodding, solitary, the peduncles axillary with a pair of minute 

 bracts on lower half; sepals 4, broadly elliptic, membranous, 

 about 2 cm. long, glabrous inside, appressed-pubescent out- 

 side; stamens shorter than the sepals, the filaments linear, 

 glabrous, becoming black when dried, the anthers oblong, 

 about 2 mm. long, yellow, the connective also blackened when 

 dried; achenes ovate, about 5 mm. long, pilose; style about 



2.5 cm. long, pilose, pale yellowish-brown. May-June. 



Honshu (Tokaido Distr. and westw.), Shikoku, Kyushu; 

 rather rare. 



Clematis eriopoda Maxim. Hime-botanzuru. Species 

 attributed to Japan by Maximowicz, but obscure to us. De- 

 scribed as having ternate leaves, the leaflets ovate, 3-sected, 

 incise-toothed, the median lobes hnear, the lateral ones ovate, 

 2-2.5 cm. long, 1-2 cm. wide, the peduncles solitary, 1- 



flowered, bracteate, villous above; sepals 4, nearly spreading, 

 elliptic, densely silky outside, slighdy longer than die stamens; 

 filaments nearly glabrous, much longer than the anthers. 



11. Clematis florida Thunb. Anemone japonica Houtt.; 



C. hakonensis Fr. & Sav. Tessen. Slightly pubescent, 



often glabrate woody herb; stems scandent, slender; leaves 

 petiolate, 1 or 2 times ternate, the median primary petiolules 

 longer than the lateral, the ultimate leaflets ovate to narrowly 

 so, usually entire, rather chartaceous, 2-4 cm. long, 1-2 cm. 

 wide, acute; peduncles 1-flowered, solitary on the axils, about 

 10 cm. long, with a pair of leaflike simple bracts near middle; 

 flowers white, large, 5-8 cm. across; sepals usually 6, spread- 

 ing, ovate, acute, with a longitudinal band of soft short dense 

 pubescence on each side externally; anthers linear, 3-5 mm. 

 long, the filaments linear, about twice as long as the anthers, 



glabrous, blackened when dry; carpels silky. May-June. 



Chinese plant long grown as an ornamental in our area; 

 several cultivars are known. 



12. Clematis patens Morr. & Decne. Kazaguruma. 

 Resembles the preceding; leaves 3- to 5-foliolate, the leaflets 

 ovate, chartaceous, often 3-fid, 3-10 cm. long, 2-5 cm. wide, 

 acute, rounded to shallowly cordate; peduncles solitary and 

 terminal on short young shoots, l-flowered, ebracteate, 10-15 

 cm. long; flowers white to pale blue-purple, 10-15 cm. across; 

 sepals usually 8, caudate, narrowly ovate to narrowly oblong, 

 with a broad band of short white hairs on each side externally; 

 anthers hnear, 6-10 mm. long, the filaments glabrous, as long 

 as to slightly longer than the anthers; achenes ovate; style long 



yellowish-brown pilose. May-June. Honshu, Shikoku, 



Kyushu. Several cultivars are grown in this country. China. 



13. Clematis pierotii Miq. Koba-no-botanzuru,Yama- 

 botanzuru. slightly short-pubescent climber; leaves petio- 

 late, twice ternate, the leaflets membranous, petioluled or 

 sessile, ovate to broadly so, 1.5-5 cm. long, 8-20 mm. wide, 

 usually 3-fid, with few irregular teeth, the midlobes of ter- 

 minal leaflets often elongate, acuminate, the other lobes acute 

 to subobmse, linear-lanceolate to narrowly ovate; peduncles 

 axillary, solitary, 1- to 3-flowered, 5-10 cm. long, leafy- 

 bracteate; flowers white, about 2.5 cm. across, erect; sepals 

 oblong, white-pubescent outside especially toward the margin; 

 stamens slightly shorter than the sepals, glabrous, the anthers 

 narrowly oblong, 1-1.5 mm. long; achenes broadly lanceolate, 

 about 5 mm. long, spreading-pilose; style yellowish, about 2 



cm. long, feathery. Aug.-Sept. Shikoku, Kyushu. 



Ryukyus. 



14. Clematis apiifolia DC. Botanzuru. Shghtly 

 pubescent climber; stems rather thick below, woody, the 

 shoots elongate, much branched, the inflorescence terminal; 

 leaves petiolate, ternate, the leaflets nearly membranous, nar- 

 rowly to broadly ovate, 4-8 cm. long, 2-5 cm. wide, acumi- 

 nate, often 3-lobed, sparsely coarse-toothed, rounded to shal- 

 lowly cordate at base; inflorescence pedunculate, 5-10 cm. 

 long, rather many-flowered, cymose-paniculate; flowers white, 

 15-20 mm. across; sepals 4, broadly oblanceolate, spreading, 

 short white-puberulent outside; stamens slightly shorter than 

 the sepals, glabrous, the anthers linear, about 2 mm. long; 

 achenes ovate, with spreading hairs, about 4 mm. long; style 

 1-1.2 cm. long. Aug.-Sept. Thickets in lowlands and foot- 

 hills; Honshu, Shikoku, Kyushu; common. Korea and 



China. 



Var. biternata Makino. C. brevicaudata sensu auct. Ja- 

 pon., non DC. Me-botanzuru, Ko-botanzuru. Leaves 



