Obdbr 70.— composite 461 



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

 low coroUas. Aug. 



2 G. polyc^phalum Mx. Erect; Ivs. sessile, linear-lanceolate, acute, scabrous 

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

 corymbous ; scales ovate-lanceolate, acute. — 3) Common in fields, &c.. Can. and U. 

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

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

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

 Aug. 



3 Q. iiligindsum L. CnowEED. St. diffusely branched, woolly; Ivs. sessile, 

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

 obtuse, yellowish or brownish ; ach. smooth. — (D A small, spreading plant, clotked 

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

 Mid. and "W. States. Stem 4 — 6' high. Leaves numerous, acute, narrowed at 

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



4 Or. purpiireum L. St. erect, simple or branched from the base, tomentous; 

 Ivs. linear-spatulate or oiovate-spatulaie, downy-canescent beneath, green above ; 

 hds. sessile, crowded, terminal and axillary; scales acuminate. — (D Grows in 

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

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

 June. 



5 G. Bupiaum Tillars. Omspitous, woolly; Ivs. linear; hds. few, oblong, in a 

 spicate raceme or sohtary ; scales acute, brown; pistillate fls. in but one row. — 

 White Mts., N. H." (Nuttall.) Sts. 2 to 4' high. 



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

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

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

 tacle subconvox, alveolate ; pappus a single row of bristles. — 11 Tomen- 

 tou.s. Lvs. alternate, entire. Hds. corymbous, with white or brownish, 

 never yellow scales. (Gnaphalium L.) 



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

 ■ lanceolate, acute, 3-veined, sessile, woolly beneath, stem woolly ; coj'ymbs fasti- 

 giaie; scales elliptic, obtuse, opaque, white. — y. 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. plantaginlfdlia Br. Mousb-eab. Eveelasting. Stolons procumbent ; at. 

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

 cejt, St. lvs. small, lanceolate ; scales ovate, obtuse. — U Borders of woods, &o., 

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

 St. 5 to 8' high, often with stolons at base. Rt. lvs. much larger than those of 

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

 white. Feb. — May. (A. dioica Br.) 



80. FILA^GO, Tourn. Cotton Rose. Cudweed. (zipparently 

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

 Heads heterogamous ; involucre of a few villous scales ; marginal 

 flowers ¥ ; receptacle columnar, naked at the apex, chafiy at base ; 

 aehenia teretej central ones with a hairy pappus. — Downy-canescent 

 berbs. Lvs. alternate, entire. 



F Germ^nica L. St. dichotomous or proliferously branched above ; lvs. linear- 

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

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

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

 Mass., K. Y. to Va. St. 6 to 10' high. Scales straw-color, with a green lizw 

 outside. Jl. — Oct. S Eur. 



