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376 THE PLANT PHYLA 
Family 293. 
Family 294. 
Family 295. 
Family 296. 
Family 297. 
Family 298. 
Family 299. 
Antennaria, Gnaphalium, Helichry- 
sum, Inula. 
Asteraceae. Asters. Herbs and under- 
shrubs; calyx from bracteose to capil- 
lary; receptacle naked; usually rayed; 
medium sized plants.—Aster, Solid- 
ago, Erigeron, Bellis, Baccharis. 
Vernoniaceae. Ironweeds. Herbs; 
calyx from bracteose to capillary; 
receptacle naked; rayless; style- 
branches filiform, hispidulous; me- 
dium sized plants.—Vernonia, Ele- 
phantopus. 
Eupatoriaceae. Blazing Stars. Herbs; 
calyx from bracteose to capillary; 
receptacle naked; _ rayless; style- 
branches thickened upward, papillose; 
medium sized _ plants.—Lacinaria, 
Eupatorium, Kuhnia. 
Anthemidaceae. Camomiles. Herbs, 
shrubs, and small trees; calyx a short 
crown or wanting; receptacle chaffy or 
naked; usually with white rays; 
mostly medium sized plants.—An- 
themis, Chrysanthemum, Artemisia. 
Senecionidaceae. Groundsels. Herbs, 
shrubs, and trees; calyx capillary; 
receptacle naked; rayed or rayless; 
mostly medium sized plants.—Sene- 
cio, Arnica. 
Carduaceae. Thistles. Herbs; calyx 
mostly capillary; receptacle usually 
bristly (not chaffy); rayless; mostly 
stout plants——Carduus, Arctium, 
Cnicus. 
Mutisiaceae. Mutisias. Herbs, shrubs, 
and small trees; calyx mostly capil- 
lary; receptacle usually naked; flow- 
ers all two-lipped, so no proper rays; 
mostly medium sized tropical plants. 
—Mutisia, Chaptalia. 
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