Order TO.— COMPOSITE. 461 



Leaves on the upper side green, scabrous and viscid. Scales whitish, with yel. 

 low corollas. Aug. 



2 G. polycephalum Mx. Erect; lvs. sessile, linear-lanceolate, acute, scabrous 

 above, whitish tomentous beneath, as well as the paniculate stem ; hds. capitate, 

 corymbous ; scales ovate-lanceolate, acute. — CD Common in fields, &c, Can. and I". 

 S. It is distinguishable by its strong, agreeable odor, and its brownish color. 

 Stem 1 — 2f high, whitish, with a cottony down, much branched, lids, much 

 larger than in the next. Involucre with whitish scales and yellow flowers. 

 Aug. 



3 G. uligindsum L. Cudweed. St. diffusely branched, woolly; Ivs. sessile, 

 linear-lanceolato; hds. small (1" wide) in terminal, crowded, leafy clusters ; scales 

 obtuse, yellowish or brownish ; ach. smooth. — CD A small, spreading plant, clothed 

 with whitish down, common in sandy places whero water occasionally stands, N., 

 Mid. and TV. States. Stem 4 — G high. Leaves numerous, acute, narrowed at 

 the base. Scales of the involucre oblong, obtuse, yellowish. Aug. 



4 G. purpureum L. St. erect, simple or branched from the base, tomentous ; 

 lvs. Unear-spatulate or obovate-spatulate, downy-canescent beneath, green above ; 

 hds. sessile, crowded, terminal and axillary; scales acuminate. — 'V> Grows in 

 sandy fields and pastures, X. II. to Ind. and La. Stem 8 — 12' high, sending out 

 shoots at the base. Heads with tawny, purplish scalo3 and yellow corollas. 

 June. 



5 G. supinum Villars. Casspitous, woolly; lvs. linear; hds. few, oblong, in a 

 spicate raceme or solitary; scales aeute, brown; pistillate fis. in but one row. — 

 Whito Mts., N. H. (NuttalL) Sts. 2 to 4' high. 



79. ANTENNA'RIA, Br. Everlasting. (Name in allusion to the 

 bristles of the pappus, which resemble antenna).) Heads dioecious; in- 

 volucre of imbricate, colored scales; pistillate corollas filiform ; recep- 

 tacle subconvex, alveolate ; pappus a single row of bristles. — 2f. Tomen- 

 tous. Lvs. alternate, entire. Hds. corymbous, with white or brownish, 

 never yellow scales. (Gnaphalium L.) 



1 A. margaritacea Br. St. erect, simple, corymbously branched above; lvs. linear- 

 lanceolate, acute r 3-veined, sessile, woolly beneath, stein woolly ; corymbs fasti- 

 giate; scales elliptic, obtuse, opaque, white. — % Fields and pastures, U. S. and 

 Brit. Am. St. 1 to 2f high, and with its numerous, scattered lvs. clothed with 

 white and cotton-like down. Hds. numerous, hemispherical, fadeless. Fls. yel- 

 low. Jl. — Named for its dry, imperishable, pearl-white scales. 

 A. plantaginifolia Br. Mouse-ear. Everlasting. Stolons procumbent ; st. 

 simple; radical lvs. oval, ohovate or spatulate, mucronate, 3-veined, silky-canes- 

 oent, st. lvs. small, lanceolate ; scales ovate, obtuse. — If. Borders of woods, &c, 

 U. S. and Brit. Am., flowering in early spring. Whole plant whitish with down. 

 St. 5 to S' high, often with stolons at base. Rt. lvs. much larger than those of 

 the stem. St. lvs. few, bract-like. Hds. in a terminal, dense cluster, purplish 

 white. Feb. — May. (A. dioica Br.) 



80. FILA'GQ, To urn. Cotton Rose. Cudweed. (Apparently 

 from the Latin Jllum, a thread ; on account of the cottony hairs.) 

 Heads hetcrogamous ; involucre of a few villous scales ; marginal 

 flowers ? ; receptacle columnar, naked at the apex, chaffy at base ; 

 achenia terete, central ones with a hairy pappus. — Downy-canescent 

 hcrhs. Lvs. alternate, entire. 



F Gemianica L. St. dichotomous or proliferously branched above ; lvs. linear- 

 lanceolate, acute, crowded, erect ; hds. few-flowered, in dense, capitate clusters, 

 terminal and lateral ; scales cuspidate, passing insensibly into the pales of tho 

 receptacle, each with a pistillate flower in the axil.— CD Fields and roadsides, 

 Mass., X. Y. to Va. St. C to 10' high. Scales straw-color, with a green lino 

 outside. Jl. — Oct. § Eur. 



