926 



COMPOSITAE 



nanthes lanceolata Houtt.; P. Integra Thunb.; Youngia lanceo- 

 lata (Houtt.) DC; Crepis tanegana Miq.; Lactuca lanceolata 

 (Houtt.) Makino; Crepidiastrum integrum (Thunb.) T. Ta- 

 naka; Ixeris lanceolata (Houtt.) Stebbins; Crepis Integra 



(Thunb.) Miq. Hosoba-wadan. Caudex stout, short, 



rhizomelike, with a tuft of rosulate leaves at apex; inflores- 

 cence branches lateral, decumbent; radical leaves ovate to nar- 

 rowly so, rarely elliptic, 8-18 cm. long, 2-4 cm. wide, obtuse, 

 rarely rounded at apex, narrowed at base, entire, the petioles 

 2-3 mm. wide, the cauline leaves obtuse, 1-2 cm. wide, clasp- 

 ing at base; flowering branches 10-40 cm. long; heads many, 



yellow, about 1.5 cm. across; involucres 8-9 mm. long. 



Oct.-Jan. Rocky places near the sea; Honshu (w. distr.), 



Shikoku, Kyushu. s. Korea, Ryukyus, and Formosa 



Forma pinnatilobum (Maxim.) Nakai. Crepis Integra var. 

 pinnatiloba Maxim.; Lactuca quercus Lev. & Van't.; Crepidi- 



asterum quercus (Lev. & Van't.) Nakai Hama-naren, 



SoTETSu-NA. Leaves pinnately lobed. Occurs with the 



typical phase. 



3. Crepidiastrum platyphyllum (Fr. & Sav.) Kitam. 

 Crepis Integra var. platyphylla Fr. & Sav.; Lactuca platyphylla 

 (Fr. & Sav.) Makino; Crepidiastrum lanceolatum var. lati- 

 folium Nakai; Ixeris lanceolata subsp. platyphylla (Fr. & Sav.) 

 Stebbins; C. lanceolatum var. (?) platyphyllum (Fr. & Sav.) 



Tuyama Wadan. Caudex stout, short, erect, rhizomeUke, 



with a tuft of rosulate leaves at apex; inflorescence branches 

 axillary, decumbent; scapes 20-40 cm. long; radical leaves 

 rather thick, obovate or obovate-elliptic, 8-18 cm. long, 4.5-7 

 cm. wide, rounded at apex, narrowed at base, entire, the peti- 

 oles 5-7 mm. wide; cauline leaves broadly obovate-elliptic, 

 2-4 cm. wide, usually rounded to subacute, the uppermost 

 subtending the inflorescence, clasping; heads many, very 

 congested, yellow, about 1 cm. across; involucres 6-7 mm. 



long. Sept.-Nov. Seashores; Honshu (s. Kanto and T6- 



kaido Distr.). s. Korea. 



68. CREPIS L. FuTA-MATA-TAMPOPO ZoKU 



Glabrous to coarsely hirsute perennials, sometimes annuals or biennials; stems leafy or scapiform; leaves radical and/or cauline, 

 alternate; heads peduncled, solitary or in panicles; involucres tubular, campanulate, or inflated at base in fruit, the inner bracts 

 nearly equal, 1-seriate, the outer usually much shorter, few-seriate; receptacle flat or depressed, glabrous or hairy; corollas all 



lingulate, truncate, 5-toothed; achencs many-ribbed, terete, narrowed above or beaked; pappus-bristles many, slender, simple. 



About 200 species, in Eurasia, Africa, and N. America. 



lA. Radical leaves pinnatifid or sinuately shallow-lobed to runcinate; stems pubescent toward summit; heads 1 or 2. . . 1. C. hok./{aidoensis 

 IB. Radical leaves spathulate, remotely repand-denticulate, mucronate-toothcd ; stems glabrous; heads 3 to 8 2. C. gymnopus 



1. Crepis hokkaidoensis Babcock. C. burejensis sensu 



auct. Japon., non F. Schmidt; C. miyabei Tatew. & Kitam. 



Futa-mata-tampopo. Rhizomes vertical or oblique; stems 

 5-20 cm. long, erect, rather stout, simple or rarely branched, 

 with brown multicellular hairs and short white puberulence; 

 radical leaves pinnatifid or sinuately shallow-lobed to runcinate, 

 5-15 cm. long, 1-3 cm. wide, acute, acuminate, or obtuse, 

 gradually narrowed to a narrowly winged petiole, slightly 

 pubescent on both sides; cauline leaves few, sessile, semi- 

 clasping; upper leaves linear and small; heads 1 or 2 on long 

 peduncles, yellow; involucres 1-1.5 cm. long, with brown, of- 

 ten glandular, long hairs; achenes black-brown, about 1 cm. 

 long, 1 mm. across, gradually narrowed toward apex, about 20- 



ribbed, puberulent; pappus 7.5-8 mm. long, white. July- 



Aug. Alpine slopes; Hokkaido. s. Kuriles and Sakhalin. 



2. Crepis gymnopus Koidz. Youngia gymnopus 



(Koidz.) Hara ^Ezo-takane-niga-na. Rhizomes vertical 



or oblique; stems scapiform, 20-45 cm. long, rather slender, 

 loosely woolly pubescent while young, becoming glabrous; 

 leaves all radical, spathulate, 8-15 cm. long, 1.2-3 cm. wide, 

 rounded at apex, remotely repand-denticulate, mucronate- 

 toothed, glabrous or loosely short hairy on upper side; scalelike 

 leaves of stems absent or single; bracts linear-lanceolate; heads 

 3 to 8, the pedicels 1.5-6 cm. long, erect, yellow; involucres 

 1-1.2 cm. long, narrow; achenes brown, 4.5-5 mm. long, about 

 0.6 mm. across, 20-ribbed, smooth; pappus snow-white, about 

 5 mm. long. Alpine regions; Hokkaido. 



69. IXERIS Cass. Niga-na Zoku 



Low, usually glaucous annuals, biennials, or perennials; leaves radical and cauline, alternate; heads few to many, in corymbs; 

 involucres tubular, the bracts few-seriate, glabrous, herbaceous, the inner much larger than the outer, the outer ones often calyc- 

 ulate; receptacles flat, naked; corollas hngulate, truncate, 5-toothed, yellow, white, or purplish achenes somewhat flattened, 



narrowly oblong, equally 10-ribbed, long-beaked; pappus-brisdes many, slender, scaberulous, nearly equal. ^About 20 species, 



in e. Asia. 



lA. Stolons much elongate; stems scapose or scapiform. 

 2A. Leaves palmately 3- to 5-cleft, -parted or -divided; outer involucral bracts rather prominent, about 2/5-1/2 as long as the inner; 



beak of achencs about 1 mm. long; sandy beaches 1 . /. repens 



2B. Leaves spathulate, entire or shallowly toothed; outer involucral bracts few, short, about ^/^-Ys as long as the inner; 

 beak of achenes longer. 



3A. Involucres 12—14 mm. long; beak of achenc 2.5 mm. long 2. /. japonica 



3B. Involucres about 8-10 mm. long; beak of achene 3 mm. long 3. /. stolonijera 



IB. Stolons absent or short; stems usually distinctly leafy (except in nos. 9 and 10). 



4A. Heads nodding at maturity, in false umbels; cauline leaves sagittate; achenes deeply sulcate, acutely winged; biennial. 



4. 7. polycephala 

 4B. Heads erect at maturity, in loose corymbs; cauline leaves auriculate; achenes shallowly grooved, obtusely winged; perennials. 



