4 Rhodora [JANUARY 
floccosely white-tomentose especially above: leaves oblong-lingulate, 
5 to 20 cm. long, 1 to 6 cm. broad, sessile, half-clasping by a subau- 
riculate base, or the lowermost narrowed below into a winged petiolar 
base, obtuse or rounded at the apex, entire or unequally dentate, 
usually green and glabrous above, densely white-tomentose beneath : 
heads large, including the rays 3 to 6 cm. in diameter: involucre 
calyculate with linear-attenuate or subsetaceous bracteoles: achenes 
glabrous.— Linnaea, vi. 240; Hook. Fl. Bor.-Am. i. 334, t 113; 
Gray, Syn. Fl. i. part 2, 384; Britton & Brown, Il. Fl. iii. 476, f. 
4033; Watson & Coulter in Gray, Manual, ed. 6, 294.— Coast of New 
Brunswick, Grand Manan, A. Æ. Verrill, no. 3. Reported from the 
adjacent coast of MAINE. 
> + Heads medium-sized, about 1 cm. or less high: stems not leafy 
throughout. 
++ Lower leaves all broad-ovate, cordate, rather large. 
2. S.AUREUS, L. Stems erect from rather slender rootstocks, 3 
to 6 dm. high, and at first as well as the foliage often more or less 
floccose-tomentose, later, except for a trace of tomentum in the axils 
of the leaves and in the inflorescence, essentially glabrous: lower 
leaves long-petioled, ovate-rotund to slightly ovate-oblong, 1.5 to 8 
cm. long, two thirds as broad, crenate-dentate; cauline leaves lyrate 
to laciniate-pinnatifid, the uppermost sessile and amplexicaul : 
achenes glabrous. — Sp, ii. 870, & ed. 2, 1220; Gray, Syn. Fl. i. 
part 2,391; Watson & Coulter, l. c. 293; Britton & Brown, lll. Fl. iii, 
480, f. 4047.— Marne, valley of Limestone River, Fernald no. 2403 ; 
Blaine, Fernald, no. 2404; Easton, Fernald (coll. of 29 June, 1899); 
North and South Berwick, Parlin & Fernald; South Berwick, Partin ; 
Fayette and Presque Isle, Miss Kate Furbish: New HAMP- 
SHIRE, Jaffrey, Aobznson, no. 590; Greenville, Fernald (coll. of 6 
June, 1897): VERMONT, Manchester, Miss Mary A. Day, no. 102: 
MASSACHUSETTS, vicinity of Boston, Wm. Boott, etc: RHODE ISLAND, 
Thurber; near Providence, Colins (coll. of 24 May, 1891): Con- 
NECTICUT, Southington, Bissell no. 343. 
4+ 4+ Lower leaves chiefly long-lanceolate from a subcordate to an 
abruptly contracted base, only the earliest ovate-rotund, and these 
small. 
3. S. RoBniNsr, Oakes. Stems strict, 5 to 7 dm. high, striate, 
glabrous above, slightly tomentose at the base: the first leaves 
small, ovate-rotund to ovate-oblong, 1 to 3 cm. long, from two thirds to 
nearly as broad, crenate-dentate ; the later fully developed radical and 
lower-stem leaves long petiolate, lanceolate to slightly oblong-lanceo- 
late, 3 to ro cm. long, 1.5 to 3 cm. broad, acute, rather sharply and 
somewhat unequally dentate-serrate, glabrous upon either surface, 
aS. EE BS. € 9 
