216 COMPOSITE. Erigeron. 



lines high) short-peduucled heads : leaves spatulate-lanceolate or uppermost linear, mucro- 

 nate-apiculate (an inch or two long) : involucre villous; its bracts linear-lanceolate, equal. — 

 Proc. Am. Acad. vii. 353, &, Bot. Calif, i. 330. — N. E. California, in Humboldt and Mendo- 

 cino Co., Bokmder, Princjle ; the latter a nearly erect form. 

 E. miser, Gray. Cespitose from a tliickisli caudex or rootstock, canesceutly villous : stems 

 ascending, 3 to 5 inches high, leafy i\\> to the solitary or few and small (3 lines high) heads : 

 leaves from obloug-spatulate to short-linear (4 to 8 lines long) : involucre glabrate or mi- 

 nutely glandular, sliort ; its bracts lanceolate or linear, acute : flowers comparatively few. — 

 Proc. Am. Acad. xiii. 372, & Bot. Calif, ii. 445. — On Mount Stanford and vicinity, in the 

 Sierra Nevada, California, Lohh, KeUogfj, Greene, &c. : fl. late. 



H— ^— -t— -(— -1— 4— S. Arizonian, with diiTusely branched and trailing stems, very leafj' 

 branches, bearing very small lieads, soft-ciuereous pubescence, and lower leaves commonly 3-5- 

 lobed or toothed: pappus simple. 

 E. Lemmoni, Gray. Stems a foot or two long, apparently from slender creeping root- 

 stocks : leaves half-inch lo^g or less, spatulate ; upper all entire, lower taj)ering into more 

 or less of a petiole, many of them 1-5-toothed or incisely lobed : heads terminating short 

 branchlets, short-peduncled : involucre 2 lines high : rays of about same length, 40 or 50, 

 light purple. — Proc. Am. Acad. xix. 2. — Tanner's Canon, Huachuca Mountains, S. Arizona, 

 Lemmon. 



-1— -1— -)—-)— -1— H— -1— Northeastern species, smooth and slender, erect, from filiform root- 

 stocks, leafy-stemmed, entire-leaved; with small and Aster-hke heads of only 20 or 30 rays: 

 pappus quite simple. 

 E. hyssopifolius, Micux. Nearly glabrous, a span to a foot high, sparingly branched : 

 branches terminated by a solitary slender-peduucled head : leaves small and numerous, linear 

 or lower somewhat spatulate, thinnish, entire, an inch or less long : rays 3 lines long, white 

 or tinged with purple. — Fl. ii. 123; Gra}^, Proc. Am. Acad. xvi. 87. Aster (jramini/olius, 

 Pursh, n. ii. 545; DC. Prodr. v. 227; Torr. & Gray, Fl. ii. 156. Galutella c/ramiiiifolia, 

 Hook. Fl. ii. 15. — Moist and rocky banks, Newfoundland and New Brunswick to Hudson's 

 Bay, northern borders of New England to Lake Superior and Slave Lake ; first coll. by 

 Michaux. 



* * * * Perennial by rosulate offsets, producing a scapiform stem from a rosette of radical leaves: 

 heads small and Aster-like, bearing only 20 or 30 rays : disk convex, only 3 lines broad : akenes 

 mostly 4-nerved : pappus quite simple: S. Atlantic species. — § Erujeridium., Torr. & Gray. 



E. nudicaulis, Miciix. Glabrous or glabrate : scapiform stems solitary or occasionally 

 several from the rosette of obovate or spatulate thickish and sparingly denticulate leaves: 

 canline leaves few and small, or merely bracts : heads several, corymbosely cymose : rays 

 white and pinkish, 2 or 3 lines long. — Pursh, I.e. Eriijeroii (Eriijidltim) vermis, Torr. & 

 Gray, Fl. ii. 176. E. inUyrifolius, Bertol. Misc. Bot. vi. t. 3, not Bigel. Aster verniis, L. Spec. 

 ii. 876. Doronicum la'v(folium, AValt. Car. 205? Stenadis verna, Nees, Ast. 275; DC. 1. C. 

 299. — Low pine barrens near the coast, Virginia to Florida and Louisiana: fl. spring. 



***** Perennial by biennial rosulate offsets borne on apex of stoloniform creeping root- 

 stocks, or some species probably biennial: leaves membranaceous, commonly serrate or dentate: 

 heads middle-sized or small, with glabrate involucre: rays numerous : pappus quite simple: 

 species not montane. 



-i— Hays not ver\- narrow, not more than 60 or 70. 



E. bellidifolius, Muhl. Stoloniferous-ccspitose, making rosulate offsets from slender 

 subterranean shoots, villous-hirsute : flowering stems usually a foot or more high, simple, 

 naked above and bearing 3 to 9 (or, when depauperate, only single) umbellately cymose 

 middle-sized heads : radical leaves cuneiform-obovate or spatulate, mostly coarsely few- 

 toothed, on very short-winged petioles ; canline few, oblong or lanceolate : bracts of the in- 

 volucre appressed : rays violet or bluish-purple, a third to half inch long : akenes almost 

 glabrous. — Willd. Spec. iii. 1958; Sims, Bot. Mag. t. 2402; Torr. & Gray, Fl. ii. 170. 

 E. pulchellus, Michx. Fl. ii. 124, excl. syn. Gronov. ; Dark Fl. Cest. ed. 2, 492 ;" Hook. Fl. ii. 

 19, excl. var. — Damp ground, borders of woodlands, Canada to Illinois and Louisiana: 

 fl. spring. 



E. Oreganus, Guav. Perhaps only biennial, pubescent : rosulate tufts many-leaved, send- 

 ing uj) weak or din' use leafy stems of a span or two in length, bearing solitajy or few rather 



