LXXIII. COMPOSITH (OLIVER AND HIERN). 255 
Sete of pappus few, short, minutely glochidiate very ca- 
ducous sete. Receptacle naked convex . 
Pappus 0. Receptacle naked, turbinate or columnar. 
Capitula white and purple or violet . . . . . . 
Pappus of minute subpaleaceous teeth. Receptacle naked, 
convex or conical. Capitula yellow . see 
Pappus reduced to papillose annulus. Receptacle flat, 
paleaceous. Capitula yellow oe ee 
13. Microrricnia. 
14. DicHRocEPHALA. 
15. GRANGEA, 
16, CeRUANA. 
2 § Bellidee. 9 fi. 1-seriate, ligulate, ligule spreading 
or recurved, white. Pappus0... . 17. BracHycome. 
3 § Heterochromee. @ fl. 1-c -seriate, all or outer distinctly ligulate, ray white, 
purple or blue. Pappus setaceous, 1-2-seriate. 
Ligule ovaloroblong. . . . . . . + + « + + 18, Feticma, 
Ligule narrow or filiform... .. . . + + + 19. EricEron. 
4 § Conyzee. Capituladisciform, ¢ fl. tubular filiform, ligule 0 or inconspicuous, 
Pappus setaceous. Capitula yellow more or less or rudimentary, ligule white. 
Style of ¥ 1. distinctly 2-fid. 
Achenes costate, scarcely compressed. Ligule present, 
white. Shrubs... . 1. + + «+ + = «20. Microorossa. 
Achenes compressed. Ligule present yellow. Herbs . 21. Nrporewua. 
Achenes compressed. Ligule 0 or minute. Capitula 
yellowish. Herbs or frutescent. . . . . - . 22. Conyza. 
Achenes scarcely compressed, costate. Ligule present, 
yellow. Shrubs . - 27. ec wt ese ee 
Style of § fi. entire or emarginate. Ligule 0. Achenes 
terete. Erect annuals soe ee we ee e624, ADELOSTIGMA, 
23. Pstapia. 
_ Tre IV. Inuloidew. Capitula heterogamons, radiate or usually 
discoid with outer florets pistillate and inner hermaphrodite or sterile, 
or homogamons: with all the florets hermaphrodite and t hular, or 
rarely dicecious. Involucral scales usually in many rows, rarely sub- 
2-seriate. Corolla of 2 fi. ligulate or filiform, of ¥ fi. regular, tubular, 
shortly lobed. Anther-base sagittate, usually tailed; connective pro- 
duced at the apex. Style-branches of the 9 fl. narrow, more or less 
flattened above, rounded or truncate, not appendaged at the apex. 
Achenes various. Pappus usually setaceous or wanting.—Herbs, 
shrubs, or small trees. Leaves alternate, undivided or rarely lobed. 
Diecious. Involucral scales sub-2-seriate, coriaceous Subtribe i. TaRcHONANTHER. 
érmaphrodite. Involucral scales pluri- or pauci- 
Seriate or rarely few, scarious or herbaceous. 
Female florets, when present, filiform or narrowly 
tubular, not ligulate. 
Style-branches of the hermaphrodite florets fili- 
form, not truncate. 
Receptacle naked. . . . . . . . . . Subtribe ii.  Procueren. 
Receptacle, at least about the circumference, 
paleaceous . . . . . . . . . . Subtribe iii, Fmacimnes. 
Style-branches of the hermaphrodite florets 
truncate. 2... ww we ee 
Female florets, when present, ligulate or rarely 
tubular, 
Receptacle naked, 
Style-branches of the hermaphrodite florets 
bates AE a ee ee 
Subtribe iv. GNAPHALIRZ, 
Subtribe v. AtTHRixinz. 
