84 ANGIOSPERM^. 



hds. yellow, corymbed, showy. ©. Tex., Mex. 7. Corebpsis, Tick- 

 seed. Q, Q|.. Akaines bug-like, 2-awned. Disk dark, or yellow; 

 rays yellow, often with dark spot at base. Many fine spec. ; hds. 

 showy. S. and S. W., U. S. 8. Zinnia. 0. Akaines or 2-awned. 

 Z. elegans. Disk purple, ray scarlet, crimson, purple, white; hds. 

 large, showy. Mex. Z. multifloi-a, smaller ; ray scarlet. 6a., Pla., 

 to Texas. 9. Ambrosia. Akaine naked. Hds. ^p. (J fits. 5-20, in a 

 top-shaped involucre ; hds. in spikes or racemes. $ fls. sol., apetalous, 

 enclosed in an akaine-like involucre ; in sessile clusters below (^ hds. 

 Coarse, resembling Artemisia. A. artemisic^blia, Bitterwbed, Hoq- 

 WKKD. TJ. S. A. tenuifblia, covering the Pampas S. of Buenos 

 Ayres. A. maritima, TrtJb Ambb6sia; sweet-scented, with aromatic 

 taste. Italy, Levant. Tribe 10. Hds. of last. Pappus or bristly. 

 1. Inula. Kay fits. 9- Sev. species, Eur., Asia. I. Helenium, 

 Elkc.vmpInb. Q|.. 3°-5° high. Hds. large, sol., yellow. Eur. 2. 

 Helichrysum, Immortelles. Herbs or shrubs ; involueral bracts col- 

 ored, persistent, showy. H. orienidle, Crete, Prench Immortelle. 

 Many fine Cape and Australian spec, various colors. 8. Rhod&nthe, 

 4. Ammobium, Australian Immortelles. 5. Antennaria mar- 

 garitdcea, plantaginifolia, QJ., Am. Immortelles. 6. Griaphalium, 

 .Everlastings, Cape-flowers. Lvs. wliitecottony ; hds. persistent. 

 Cape species fine. G. polycephalum, Common Everlasting. Q. 

 l°-2° high, branched. Can., TJ. S. G. leontopbdium, Edel-wbiss; 

 6'-10' high ; involueral lvs. lanceolate, white, velvety, flower-like 

 around the small clustered hds. Alps. T-Humea elegans. (2). Balsam- 

 scented; stem unbranched, 4°-8° high, terminating in a Targe grass- 

 like panicle of abundant drooping, minute, rose-colored hds., each hd. 

 with 4 § fits. ; very handsome. Australia. Tribe 11. Hds. of last. 

 Disk usually yellow. Style-awns compressed, usually appendaged. 1. 

 B&ccharis. 9 J*. Hds. small, oo-fiowered, white ; pappus of female 

 hds. long, silky, copious, showy. Herbs, shrubs, or small trees; 

 often resinous, with shining lvs."; or leafless ; or with minute lvs. and 

 ■winged, leaf-like stems. Am. ; from TJ. S. to extreme S. of S. Am. 

 B. halimifblia, Groundsel Tree. 8°-12° high ; smooth, scurfy ; lvs. 

 spatulate; ? hds. in large, loose, showy panicles. Mass. to Fla., W. 

 to La. Numerous species, XJ. S., Atlantic to Pacific. B. trmerva, 

 stems winged, medicinal ; Brazil. 2. Erigeron, Fleabanb. Hds. 

 aster-like; disk yellow; ray fits. 30-200, pink, purple, or white. 

 Many spec, pretty weeds. E. philadeVphicum. 2° high, fis. pink; 

 common. E. specibsum, more showy, Oregon. 3. Aster. Disk yel- 

 low ; ray blue, purple, white, never yellow ; ray fits. 6-100, star-like ; 

 hds pariicled or oorymbed. 200 species ; few in Eur., Asia, S. Am. ; 

 abundant in N. Am. Herbs, %, rarely Q ; l°-4° high. 1 A. sen- 

 'cPMS, l°-2° high, silky ; fits, violet-blue. Wis., Iowa, to Miss. A. 

 nimcB-anglicB, 4°-6° high, hds. large, deep purple, panicled. N. Eng. 

 to Ga., W. A. carolinidnus, slender, 6°-13° high, hds. rose-purple, 

 large, scattered. S. C. to Pla. 4. Eurybia, Daisy Trees. Hds. 

 similar to Aster. Shrubs or trees; 60 spec, Australia, Tasmania, 

 New Z. E. arqoph0a, Silvkr-Leavkd Musk Tree. Musk- 

 scented, 25°-30° high ; 3° in girth ; wood valuable ; Tasmania. 6. 

 Bellis, Daisy, Marguerite. Pappus 0. Caulescent. Low herbs 

 with sol. peduncled, aster-like hds. B. integrifblia, American 

 Daisy; 0, @. St. spreading, 4'-10' long; ray pale blue-purple. 



