896 



COMPOSITAE 



of the sterile shoots similar, elliptic or obovate, 12-15 cm. long 

 inclusive of the long petioles, silky, tripinnate, silky-pubescent, 

 the ultimate segments linear, about 1 mm. wide, the median 

 and upper cauline leaves smaller, short-petiolate or sessile, 

 elliptic, bi- or tripinnate; heads 6-7 mm. long, 12-14 mm. wide, 

 pedicelled, in narrow panicles; involucres glabrous, the bracts 



3-seriate, equal in length, ovate to elliptic or oblong. Aug. 



Alpine slopes; Honshu (centr. distr., Uzen and Iwashiro 

 Prov.). 



14. Artemisia arctica Less. A. norvegica sensu auct. 



Japon., non Fries; A. arctica var. sachalinensis F. Schmidt 



Samani-yomogi. Rhizomes stout, elongate; stems 20-50 

 cm. long, stout, yellow-brown villous while young, short- 

 branched above; radical leaves persistent in anthesis, long- 

 petiolate, ovate-elliptic, in oudine, 3.5-4 cm. long, bipinnately 

 parted, the primary segments 2 or 3 pairs, irregularly palm- 

 ately cleft, die ultimate segments entire, acute or toothed, 

 brownish white villous while young, the cauline leaves gradu- 

 ally smaller, with false stipules at base, the upper leaves ob- 

 long, once or twice pinnate, sessile and clasping, the ultimate 

 segments 1.5-2 mm. wide; heads subglobose, about 5 mm. 

 long, 10 mm. wide, in simple or compound racemes, in- 

 volucres dark brown, glabrous; bracts 3-seriate, the outer 

 ovate, 2.5-3 mm. long, obtuse, the inner elliptic. July- 

 Sept. Alpine; Hokkaido, Honshu (n. distr.). Sakhalin, 



Kuriles, Siberia, and N. America. Forma villosa (Koidz.) 



Kitam. A. norvegica var. villosa Koidz.; A. arctica var. 

 villosa (Koidz.) Tatew.; A. cze\anows\iana sensu auct. Ja- 

 pon., non Trautv. Shiro-samani-yomogi. Plants densely 



villous. Hokkaido. 



15. Artemisia stelleriana Bess. A. stelleriana var. vesic- 

 ulosa Fr. & Sav.; A. stelleriana var. sachalinensis Nakai 



Shiro-yomogi. Plant stoloniferous; rhizomes elongate, 

 branched, 2-5 mm. across; stems 20-65 cm. long, nodding in 

 upper part before anthesis, densely white-villous; leaves of the 

 sterile shoots rather thick, ovate to oblong in outline, 3-7 cm. 

 long inclusive of the long petioles, pinnately cleft, the seg- 

 ments 2-cleft, oblong, obtuse, densely cobwebby and grayish on 

 both sides, the median cauline leaves 3-9 cm. long, 2-5 cm. 

 wide, pinnately parted, the segments 2 or 3 pairs, narrowly 

 oblong, entire or 2-fid, obtuse, white-woolly above, densely 

 white-tomentose beneath, the upper leaves gradually smaller, 

 pinnately cleft or entire; heads globose, 7 mm. long, 8-10 mm. 

 wide, in narrow panicles; involucres densely long-woolly, the 

 bracts 4-seriate, nearly equal, oblong to narrowly so; achenes 

 about 3 mm. long. July-Oct. Sand dunes along the sea- 

 coast; Hokkaido, Honshu (n. Kanto Distr. and northw.). 



Korea, Sakhalin, Kuriles, Kamchatka, and Ochotsk Sea region; 

 naturalized in Europe and N. America. 



16. Artemisia iwayomogi Kitam. A. sacrorum var. 

 latiloba sensu auct. Japon., non Ledeb. Iwa-yomogi. Rhi- 

 zomes woody; stems tufted, 50-100 cm. long, slighriy woody 

 at base, branched above; median cauline leaves bipinnate, 

 ovate in outline, acute, truncate at base, green, short-pubescent 

 on upper surface, glandular-dotted beneath, cobwebby while 

 young, the petioles 2-3 cm. long, the segments 6-10 pairs, 

 spreading, approximate, oblong, obtuse, the ultimate segments 

 pinnately lobed or incised-dentate, 1.5-4.5 mm. wide, the up- 

 per leaves gradually smaller, the uppermost oblanceolate; heads 

 many, globose, 3-3.5 mm. long and as much across, in pani- 

 cles; involucres nearly glabrous, the outer bracts 1 mm. long, 

 oblong, the median ovate, the inner elliptic; achenes 1.5 mm. 



long. Sept.-Oct. Hokkaido. s. Kuriles, Sakhalin, Ko- 

 rea and Manchuria. Forma laciniiformis (Nakai) Kitam. 



A. sacrorum var. laciniiformis Nakai. Leaves much-dissected. 



17. Artemisia feddei Lev. & Van't. A. lavandulaefolia 



var. feddei (Lev. & Van't.) Pampan. Hime-yomogi. Plant 



stoloniferous; rhizomes elongate, creeping; stems 1-1.2 m. 

 long, cobwebby, often purplish, branched above; median 

 cauline leaves thin, 3-7 cm. long, 28-65 mm. wide, pinnately 

 parted, the segments 2 or 3 pairs, linear, obtuse, thinly cob- 

 webby above, densely white-villous beneath, the upper ones 

 gradually smaller, the uppermost bracteate; heads numerous, 

 small, sessile, about 2 mm. long, about 1 mm. wide; involucres 

 loosely cobwebby; bracts 4-seriate, the outer short, broadly 

 ovate, obtuse, the median suborbicular, the inner elliptic; 



achenes about 1.1 mm. long. Grassy places; Honshu, Shi- 



koku, Kyushu. Korea, Manchuria, China, and Formosa. 



18. Artemisia dubia Wall. A. lavandulaefolia DC. pro 

 parte; A. umbrosa Turcz.; A. vulgaris var. umbrosa Bess.; A. 



codonocephala Diels; A. araneosa Kitam. ^Kesho-yomogi. 



Rhizomes elongate; plant stoloniferous; stems stout, 1.5-2 m. 

 long, prominently cobwebby and whitish, short-branched, the 

 branches nodding toward the top while young; median cau- 

 line leaves with false stipules at base, 11-14 cm. long, about 

 8 cm. wide, bipinnate, densely white-punctate and silky-cob- 

 webby above, densely grayish tomentose beneath, the petioles 

 2.5-3 cm. long, the primary segment; usually 2 pairs, the 

 ultimate segments linear, 5-7 mm. wide, gradually narrowed 

 to tip, mucronate, entire, the upper leaves gradually smaller, 

 pinnately cleft, 3-fid, or entire, short-petiolate or sessile, the 

 lobes linear, acuminate, silky-cobwebby; heads globose to cam- 

 panulate, 3-3.5 mm. long, about 3 mm. wide, in leafy nar- 

 rowly pyramidal panicles 25-30 cm. long; involucres densely 

 cobwebby; bracts 3- or 4-seriate, the outer ovate or ovate- 

 acuminate, 1.8-2.5 mm. long, the inner oblong; achenes about 



1 mm. long. ^Kyushu. Korea, Manchuria, n. China, Da- 



huria to India. 



19. Artemisia gilvescens Miq. A. vulgaris var. gilves- 



cens (Miq.) Nakai ^Wata-yomogi. Stems 30 cm. high or 



higher, densely woolly, short-branched above, the branches 

 nodding; median cauline leaves chartaceous, 6-7 cm. long, 

 2.8-4.5 cm. wide, sessile, cuneate at base, 3-fid, the terminal 

 lobe oblong, acute, entire or with 1 tooth on each side, the 

 lateral lobes oblong-lanceolate, smaller, acuminate, green, 

 densely white-punctate and short-pubescent above, densely 

 woolly beneath, the upper leaves gradually smaller, oblong, 

 acute, cuneate at base, sessile, entire, slightly recurved; pani- 

 cles narrow; heads tubular, about 4 mm. long, 2 mm. wide, 

 densely long-woolly; involucral bracts 3-seriate; outer ovate, 

 obtuse, rather short, the median and inner oblong, rounded at 



the tip; achenes 0.8 mm. long. Honshu (Nagato Prov.), 



Shikoku. China. 



20. Artemisia monophylla Kitam. A. vulgaris var. 

 integrifolia sensu auct. Japon., non L.; A. viridissima var. 



japonica Pampan. Hitotsuba-yomogi, Yanagi-yomogi. 



Rhizomes creeping; stems 70-100 cm. high, tufted, densely 

 cobwebby while young, branched above; cauline leaves many, 

 chartaceous, approximate, oblong-lanceolate, 6.5-14 cm. long, 

 2-4 cm. wide, gradually acuminate at both ends, mucronate, 

 acutely toothed, green and slightly cobwebby above, long 

 whitish tomentose beneath, short-petiolate, the upper leaves 

 gradually smaller, lanceolate, acuminate; heads campanulate, 

 subsessile, 3-4 mm. long, 2-3 mm. wide, cobwebby, in narrow 



