Compos iTAE 



887 



approximate, oblong, 6-10 cm. long, about 2 cm. wide, obtuse, 

 short-pubescent and cobwebby while young, irregularly mucro- 

 nate-toothed, winged-petiolate, the upper cauline leaves gradu- 

 ally smaller, oblanceolate-oblong, semiclasping, the uppermost 

 linear, bractlike; heads 3-7, in false umbels, 2-3 cm. across, the 

 peduncles slender, minutely glandular-pubescent and cob- 

 webby-hairy; involucres cup-shaped, about 5 mm. long, 1-1.2 

 cm. across, the bracts 12-15, glandular-ciliate, acute; ligulate 

 corollas yellow, 9-12 mm. long, 3-3.5 mm. wide; achenes 3-3.5 

 mm. long, glabrous, the pappus accrescent, 6-7 mm. long, 



snow-white. July- Aug. Alpine slopes; Hokkaido. s. 



Kuriles and Sakhalin. 



11. Senecio integrifolius (L.) Clairv. var. spathulatus 

 (Miq.) Hara. S. \irilotfii Turcz. ex DC; S. campestris sensu 

 auct. Japon., non DC; S. jauriei Lev. & Van't.; S. integrifolius 

 subsp. \irilowii (Turcz.) Kitag.; S. integrifolius subsp. fauriei 

 (Lev. & Van't.) Kitam.; S. aurantiacus var. spathulatus Miq.; 

 S. aurantiacus var. elatior Miq.; S. aurantiacus var. foliosa 



Miq. Oka-oguruma. Rhizomes short-ascending; stems 



scapose, erect, 20-65 cm. long, densely cobwebby and slightly 

 purplish in upper part; radical leaves rosulate, oblong, rarely 

 obovate-oblong, 5-10 cm. long, 1.5-2.5 cm. wide, obtuse, 

 minutely mucronate, gradually narrowed at base, usually ses- 

 sile, rarely short-petiolate, irregularly mucronate-toothed, cob- 

 webby on both surfaces, the cauline leaves few, the lower ones 

 ascending, lanceolate, 7-11 cm. long, 1-1.5 cm. wide, obtuse, 

 semiclasping at base, decurrent, the upper ones gradually 

 smaller, narrowly lanceolate, acuminate, broadly clasping at 



base; heads 3-9, in corymbs or false umbels, 3-4 cm. across, 

 pedunculate; involucres about 8 mm. long, 11 mm. across, the 

 bracts lanceolate, acuminate; ligulate corollas yellow, 12-16 

 mm. long, 2-3 mm. wide; achenes about 2.5 mm. long, densely 

 pilose, the pappus about 1 1 mm. long, snow-while. May- 

 June. Sunny slopes in hills and low elevations in mountains; 



Honshu, Shikoku, Kyushu; common. Korea, Manchuria, 



China, and Formosa. The typical phase occurs from Siberia 

 to Europe. 

 12. Senecio pierotii Miq. S. campestris var. subdentatus 



Maxim.; S. subdentatus var. pierotii (Miq.) Cufodontis 



Sawa-oguruma. Rhizomes short, ascending; stems erect, 

 50-80 cm. long, rather stout, simple, hollow, cobwebby; radical 

 leaves present at anthesis, rather fleshy and thick, often long- 

 petiolate, oblong or narrowly so, sometimes lanceolate, 12-25 

 cm. long, 1.5-7 cm. wide, obtuse, narrowed or cuneate at base, 

 subentire or mucronately toothed, cobwebby while young; cau- 

 line leaves rather numerous, the lower ones oblong to lanceo- 

 late, semiclasping at base, the uppermost gradually smaller, 

 acuminate, broadly clasping at base; heads 6-30, in false um- 

 bels or corymbs, 3.5-5 cm. wide, long-pedunculate; involucres 

 cup-shaped, without a caliculus, 7-8.5 mm. long, L5-2 cm. 

 wide, the bracts broadly lanceolate, acuminate; ligulate corollas 

 11-16 mm. long, about 2 mm. wide, yellow; achenes glabrous, 



the pappus snow-white, 9-13 mm. long. Apr .-June. Wet 



places at low elevations in mountains; Honshu, Shikoku, Kyu- 

 shu.— — Ryukyus. 



37. SYNEILESIS Maxim. Yaburegasa Zoku 



Rather stout perennial herbs; radical leaves peltate, palmately parted, cobwebby while young; cauline leaves alternate, few, 

 die petioles entirely clasping the stem; heads erect in anthesis, eligulate, in corymbs or in panicles; involucres narrowly tubular, 

 with 2-3 linear bractlets at base, the bracts usually 5, 1-seriate, free, rather thick; receptacle flat, glabrous; tubular florets bisexual, 

 fertile, the corollas tubular, 5-lobed, whitish or reddish; style-branches elongate, obtuse to depressed-deltoid or penicillate, some- 

 times pilose; anthers short-sagittate, the anther-tails pollen-bearing, connate; achenes terete, striate; pappus-bristles many, nearly 

 equal, scabrous; cotyledons 1, convolute, orbiculate, sublobed.— — -Few species, in e. Asia. 



I A. Heads in flat-topped corymbs. 



2 A. Leaf-segments narrow, 4-8 mm. wide \. S. aconilijoUa 



2B. Leaf-segments broader, 1-1.7 cm. wide 2. 5. tagawae 



IB. Heads in panicles; leaf-segments 2-4 cm. wide 3. 5. palniala 



1. Syneilesis aconitifolia (Bunge) Maxim. Cacalia cipal cauline leaves 2, distant, the lower one diick, long-petio- 

 aconiti folia Bunge; Senecio aconitifolius (Bunge) Turcz. ex late, peltate, orbicular, about 25 cm. across, glabrous above, 



Forbes & Hemsl. Hosoba-yaburegasa. Rhizomes short- whitish and loosely pilose beneath, palmately parted, die main 



creeping, 6-8 mm. across; stems 70-120 cm. long, brownish, segments 6, usually tw ice bifid, the lobes lanceolate, 10-17 mm. 



glabrous, simple, with 2 main leaves; lower leaf peltate, 20-30 wide, acuminate, die median leaf short-petiolate, palmately 



cm. wide, palmately parted or deeply cleft, long-pedolate, the parted, about 14 cm. across, the segments 3 or 4, bifid, the 



segments 7-9, once to twice bifid, the lobes 4-8 mm. wide, uppermost leaves very small, lanceolate or narrowly so, 2-7 



acuminate, irregularly acute-toothed, revolute in bud, densely mm. long; heads in corymbs, 7-10 mm. long, pedicelled, with 3 



cobwebby while young, whitish beneath, the median leaf or 4 small linear bracdets at base; involucres about 1 cm. long, 



slighdy smaller, petiolate, 12-24 cm. wide, 4- or 5-cleft, the up- the bracts 5; pappus sordid-white. Aug. Shikoku (Tosa 



per leaves bractlike; heads many, 6-7 mm. across, in dense Prov.);rare. 



compound corymbs, the pedicels 6-16 mm. long, linear- 3. Syneilesis palmata (Thunb.) Maxim. Arnica palm- 



bracteate; involucre 9-12 mm. long, purple-brown, the bracts ata Thunb.; Senecio palmatus (Thunb.) Less.; S. I^rameri 



5, oblong, obtuse, glabrous; tubular florets 8-10, reddish; Fr. & Sav.; Cacalia palmata (Thunb.) Makino; C. thunbergii 



achenes about 5 mm. long, the pappus sordid white to red- Nakai Yaburegasa. Rhizomes short; stems 70-120 cm. 



dish, 8-10 mm. long. Aug. Honshu (Tanba Prov.). long, glaucous, silky while young; cauline leaves 2(-3), charta- 



2. Syneilesis tagawae Kitam. S. aconitifolia var. ta- ccous, distant, die lower one long-peuolate, peltate, orbicular, 



gawae Kitam. Yaburegasa-modoki. Rhizomes short; 35-40(-50) cm. across, palmately 7- to 9-parted, the segments 



stems about 1 m. long, glabrous; inflorescence branched; prin- often twice bifid and the lobes 2-4 cm. wide, acuminate. 



