ORDER 70. COMPOSITE. 461 



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

 low corollas. Aug. 



2 G. polycephalum MX. Erect; Ivs. sessik, 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 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 hi the next Involucre with whitish scales and yellow flowers. 

 Aug. 



3 G. uligindsum L. CUDWEED. St. diffusely branched, woolly; Ivs. sessik, 

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

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

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

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

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



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

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

 Ms. sessile, crowded, terminal and axillary; scales acuminate. CD Grows in 

 sandy fields and pastures, K 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. supiimm Yillars. C&spitous, woolly; Ivs. linear; hds. few, oblong, in a 

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

 White Mts^ K EL (NuttalL) Sts. 2 to 4' high. 



79. ANTENNA'RIA, Br. EVERLASTING. (Name in allusion tb the 

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

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

 tacle subcouvex, alveolate ; pappus a single row of bristles. It Tomen- 

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

 never yellow scales. (Gnaphalium L.) 



1 A. margaritacea Br. SL erect, simple, corymbously branclied above; Ivs. linear- 

 lanceolate, acute, '3-veined, sessile, woolly beneath, stem woolly ; corymbs fasti- 

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

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

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

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

 A. plantaginifolia Br. .MOUSE-EAR. EVERLASTING. Stolons procumbent ; st. 

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

 cent, st Ivs. small, lanceolate; scales ovate, obtuse. If Borders of woods, &c., 

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

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

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

 white. Feb. May. (A. dioica Br.) 



80. FILA'GO, Tourn. COTTOX ROSE. CUDWEED. (Apparently 

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

 Heads heterogamous ; involucre of a few villous scales ; jnarginal 

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

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

 herbs. Lvs. alternate, entire. 



P. Gennanica L. St. dichotomous or proliferously branched above ; Ivs. linear- 

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

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

 receptacle, each with a pistillate flower in the axil. (I) Fields and roadsides. 

 Mass., N. T. to Ya. St 6 to 10' high. Scales straw-color, with a green line 

 outside. JL Oct Eur. 



