Ant£nnaru. LXXV. COMPOSITiE. 351 



central flowers $ ; receptacle flat, naked ; pappus simple, scabrous, 

 capillary. — Lvs. alternalc, entire. 



1. G. POLYCKPHAiAiM. Michx. PraiiTaiit Lifc-evcrlastins- 



Lvs. linear-lanceolate, acule, scabrous above, whitish tomentose beneath, 

 as well as the paniculate stem; hds. capitate, corymbose; scales of the invotucre 

 ovate-lanceolate, acute. — Common in fields, &c., Can. and U. S. It is dis- 

 tinguishable by its strong, agreeable odor, and its brownish color. Stem 1 — 2f 

 high, whitish, with a cottony down, much branched. Leaves sessile, cottony 

 beneath. Flowers in crowded clusters at the ends of the branches. Involucre 

 with whitish scales and yellow flowers. Aug. 



2. G. DECDRRENS. Ivcs. DccuT leut-lcaved Life-everlasting. 



St. erect, stout, much branched, viscidly pubescent ; lvs. linear-lanceolate, 

 very acute, (kcurrcnt, naked above, white and woolly beneath ; fls. in dense, 

 roundish, terminal clusters. — % A stout .species, covered with a den.se, hoary 

 pubescence. It grows in hilly pastures, &c., N. H., Vt. to N. J. Stem 2f high, 

 with scattered leaves and spreading branches. Leaves on the upper side green, 

 scabrous and viscid. Scales whitish, with yellow corollas. Aug. 



3. G. PURPUREUM. (G. Americanum. Willd.) Purple Life-everlasting. 

 St. erect, simple or branched from the base, tomentose ; lvs. linear-spatu- 



late or obovate-spatulate, downy-canescent beneath, green above ; hds. sessile, 

 crowded, terminal and axillary. — Grows in sandy fields and pastures, N. H. to 

 la. and La. Stem 8 — 12' high, sending out shoots at the base. Heads with 

 purplish scales and yellow corollas. June. 



4. G. ULiGiNosuM. Mud Life-everlasting. 



St. difiusely branched, woolly ; lvs. linear-lanceolate ; hds. in terminal, 

 crowded, leafy clusters ; involucre scales one-colored, inner acute ; ach. smooth. 

 — A small, spreading plant clothed with M'-hitish down, common in sandy 



E laces where water occasionally stands, N. Mid. and W. States. Stem 4 — 6' 

 igh. Leaves numerous, acute, narrowed at the base. Scales of the involucre 

 oblong, obtuse, yellowish. Aug. 



55. ANTENNARIA. Br. 



Name in allusion to the bristles of the pappus, -which resemble antemuE. 



Heads dioecious ; involucre of imbricate, colored scales ; pistillate 

 corollas filiform ; receptacle subconvex, alveolate ; pappus simple, 

 bristly. — % Tomentose. Lvs. alternate, entire. Hds. corymbose., with 

 white scales. 



1. A. MARGARiTACEA. Br. (Gnaphaliuoi. Linn.') Common Life-everlasting. 

 St. erect, simple, corymbosely branched above ; lvs. linear-lanceolate, 



acute, 3-veined, sessile, and beneath the stem woolly ; corymbs fastigiate ; invol. 

 scales elliptic, obtuse, opaque, white. — '4 Named tor its dry, imperishable, pearl- 

 white flower-scales. In fields and pastures, U. S. and Bi^it. Am. Stem 1 — 2f 

 high, and with its numerous, scattered leaves, clothed with white and cotton- 

 like down. Heads of flowers numerous, hemispherical, much adorned by the 

 fadeless, imbricated scales of which the outer are downy at the base. Flowers 

 yellow. July. — The plant is slightly fragrant. 



2. A. PLANTAGiNiFor.TA. Br. (Guaphalium. Linn.) Mouse-car Life-ever- 

 lasthig. — Stolons procumbent; st. simple ; radical lvs. ovate, mucronate, 3- 



veined, silky-canescent ; stcyn lvs. small, lanceolate; invol. scales ovate, obtuse. 

 — 7|. Borders of woods, &c., U. S. and Brit. Am., common. Whole plant whit- 

 ish with down. Stem 5 — 8' high, often branched at base into several from the 

 .same root. Root-leaves much larger than those of the stem, rounded at apex, 

 tapering to a petiole. Stem-leaves few, bract-like. Heads clustered, terminal, 

 purplish-white. May — Aug. 



/S. dioica. (A. dioica. Br.) Radical lvs. much smaller, spatulate; stc?n lvs. 

 linear-lanceolate ; inner scales linear, acute.— Abundant in old pastures. Apr. — 

 July. A variety (too 1) stronglv marked. 

 30* 



