ORDER 70. COMPOSITE. 461 



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

 low corollas. Aug. 



2 G. polyc6phalum MX. Erect; Ivs. sessile, linear-lanceolate, acute, ecabrous 

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

 corymboua ; scales ovate-lanceolate, acute, CD Common in fields, &Cv, 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, lids, much 

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

 Aug. 



3 G. uliginosum L. CUDWEED. St. diffusely branched-, woolly; Ivs. sessile, 

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

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

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

 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. purptiretim L. St. erect, simple or branched from the base, tomentous; 

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

 hds. sessile, crowded, terminal and axillary; scales acuminate. CD 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. supinum Villars. Ccespitous, woolly; Ivs. linear; hds. few, oblong, in a 

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

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



79. ANTENNA V 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 subconvcx, alveolate ; pappus a single row of bristles. 2 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 ; Ivs. linear- 

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

 giate; scales elliptic, obtuse, opaque, white. U 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. Named for its dry, imperishable, pearl-white scales. 

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

 timple ; 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. COTTON ROSE. CUDWEED. (Apparently 

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

 Heads heterogamous ; 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 

 berbs. Lvs. alternate, entire. 



r Germanica L. St. dichptomous 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. Qh Fields and roadsides, 

 Mass., N. Y. to Va. St. 6 to 10' high. Scales straw-oolor, with a green line 

 outside. Jl. Oct. 8 Eur. 



