ORDER 70. COMPOSITE. 185 



8 A. DRACUNCULUS. Tarragon. Glabrous ; Ivs. lin. -lanceolate, lower trifid ; heads glo 

 bous. From Siberia. 3f. A garden ealad. Give a rich fragrance to vinegar. 



A. dracunculoides Ph. Canescent when young, branched ; Ivs. lin. -filiform, the 



radical often trifid ; lids, small, globular ; inner scales roundish, outer oblong. ?i N-W. 



10 A. borealis Pal. Tufted, silky-villous, simple; lower Ivs. petiolate, lance-linear, 

 entire at base, ternately, pinnately, or bipinnately parted at apex with lin. lobes ; hds. 

 hemispherical ; scales colored, y. Shores of Lake Superior, N. and W. 6-12'. 



11 A. Cauadensis MX. SeaW. Glabrous (mostly) ; Ivs. 1-2-piunatisect with linear 

 eeg. ; hds. roundish, sessile, in a pan. of glomerules. ii Lake shores,!?. 2-lf. Hds. 1". 



12 A. caudata MX. Glabrous, simple, densely paniculate; Ivs. 3-2-1-pinnatisect with 

 alternate, filiform segm. ; heads globous, pedicellate, erect. Coast, N. H. to Ga. 4f. 



77. SOLIVA, R & P. Invol. of 515 scales in 1 row. Recep. flat, 

 naked. Fertile fls. in several rows, apetalous ; $ fls. few, interior, with a 

 3-5-toothed corolla. Cyp. obconipressed, tipped with the persistent style 

 and no pappus. Little matted herbs with pinnatifid Ivs. and sessile heads. 

 S. nasturtlifolia DC. Lf. lobes 59, oblong, obtuse; sc. 1015; fr. obconic, rugous, 



crowned with a dense tuft of wool instead of a pappus. Sandy shores, S. 1 3'. 



78. GNAPHALIUM, L. CUDWEED. EVERLASTING. Heads discoic',, 

 lieterogamous. Invol. imbricate w r ith scarious, colored scales. Marginal 

 fls. ? , subulate, mostly in several rows ; central fls. . Recep. flat, naked. 

 Pappus a single row of scabrous, hair-like bristles. Herbs generally 

 clothed with whitish wool. Leaves alternate, entire. 



* Heads in terminal corymbous clusters. August . . Nos. 13 



* Heads in axillary, somewhat spicate clusters Nos. 4, 5 



1 G. decurrenslves. Lvs. decurrent, linear-lanceolate, very acute, naked above, white 



and woolly beneath ; fls. in dense, roundish, terminal clusters, u Hilly pastures, N. 

 Eng. to Penn. and Mich. 2f. Lvs. green above. Fls. yellow, scales white. 



2 G. polyceplialum MX. Woolly; Ivs. sessile, linear-lanceolate, acute, scabrous 



above ; hds. capitate, corymbous ; sc. ovate-lanceolate, acute. (T) Dry. l-2f. Fragrant. 



3 G. ullginosuni L. Cudweed. St. diffusely branched, woolly; Ivs. sessile, linear- 



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

 yellowish or brownish ; fruit smooth. (T) Moist hollows, N. M. W. 4 C'. 



4 G. purpureum L. Erect; Ivs. linear- or obovate-spatulatc, canescent beneath, green 



above ; hds. sessile, crowded ; sc. acuminate, purplish. (T) Dry fields. 812'. June. 



5 G. supiiium Villars. Caespitous, woolly ; Ivs. linear; hds. few, oblong, in a spicate 



raceme or solitary; scales acute, brown. White Mountains. 24'. Rare. 



6 G. FCETIDUM, from S. Africa, has yellow heads, entire, clasping leaves. 2f. Hardy. 



79. ANTENNARIA, Br. EVERLASTING. Heads $ $. Invol. of im- 

 bricate, colored scales. ? Cor. filiform. Recep. subconvex, alveolate. 

 Pap. a single row of bristles. U Tonientous. Lvs. alternate, entire. Hds. 

 corymbous, with white or brownish, never yellow scales. 



1 A. margaritdcea Br. Woolly-white, erect, corymbed above ; Ivs. lin.-lanceolnte, 



3-veined ; scales elliptic, obtuse, pearl-white, fadeless. Fields. 1 2f. July. 



2 A. plaiitaginifolia Br. Mouse-ear E. Simple, with running stolons; leaves oval 



to spatulate, the cauline small, bract-like ; hds. in a close terminal cluster, purplish, 

 all ? in some plants, all 3 in others, in early Spring. Borders of woods. 5 8 . 



80. FILAGO, Tourn. COTTON ROSE. Heads heterogamous. Recep. 

 columnar, naked at top, chaify bejow, with pales resembling the scales, 



