ORDER TO. COMPOSITE. 18o 



8 A. DJIACUNCULITS. Tarragon. Glabrous; Ivs. lin.-lanceolate, lower trifid; heads glrw 

 bous. From Siberia. 3f. A garden salad. 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, it N-W. 



10 A. borealls 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. V Shores of Lake Superior, N. and W. &-12'. 



1 1 A. Caiiadensis MX. Sea W. Glabrous (mostly) ; Ivs. 1-2-pinnatisect with linear 

 seg. ; hds. roundish, sessile, in a pan. of glomerules. V. Lake shores, N. 2-tf. Hds. 1". 



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

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



77. SOLIVA, R & P. Invol. of 5 15 scales in 1 row. Recep. flat, 

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

 8-5-toothed corolla. Cyp. obcompressed, tipped with the persistent style 

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

 S. iiasturtllfolla DC. Lf. lobee 59, oblong, obtuse; PC. 1015; fr. obconic, rugous. 



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



78. GNAFHALIUM, L. CUDWEED. EVERLASTING. Heads discoic., 

 heterogamous. Invol. imbricate with scarious, colored scales. Marginal 

 fls. $ , subulate, mostly in several rows ; central fls. 5 . Recep. flat, naked. 

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

 clothed with whitish wool. Leaves alternate, entire. 



* Heads in terminal coryinbous clusters. August Nos. 1 3 



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



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



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

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



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



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



3 G. uliglnosum 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. Moist hollows, N. M. W. 4 G'. 



4 G. purpurenm L. Erect; Ivs. linear- or obovate-spatulate, canescent beneath. green 



above ; hds. sessile, crowded ; sc. acuminate, purplish. Dry fields. 812'. June. 



5 G. siipinum Villars. Csespitous, woolly ; Ivs. linear; hds. few, oblong, in a spicate 



raceme or solitary ; scales acute, brown. White Mountains. 2 4'. Rare. 



6 G. FOCTIDUM, 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, it Tomentous. Lvs. alternate, entire. lids, 

 rorymbous, with white or brownish, never yellow scales. 



1 A. margaritacea Br. Woolly-white, erect, corymbed above ; Ivs. Hn. -lanceolate 



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



2 A. plantaglnlfolfa Br. Mouse-ear E. Simple, with running stolor.s ; leaves o.-ti! 



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

 all 9 in some plants, all t in others, in early Spring. Borders of woods. 58 . 



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

 columnar, naked at top, chaffy below, with pales resembling the scales 



