COMPOSITAE (THISTLE FAMILY) 



4 a Plant with purplish, glandular hairs; young leaves not 



usually hairy above. .PARLIN'S CAT'S- FOOT. (A. parlinii.) 

 b Plants not with glandular hairs; young leaves hairy 



above 5 



5 a Basal leaves 1-3 in. long, with petiole usually shorter 



than the blade 



PLANTAIN-LEAF EVERLASTING. (A. plantaginifblia.) 

 b Basal leaves 2-5 in. long, with petiole as long as the 



blade TALL CAT J S-FOOT. (A. fallax.) 



24 ANAPHALIS PEARLY EVERLASTING. (A. margaritacea.) 



25 GNAPHALIUM. 



1 a Plants erect, branched only toward the top 2 



b Plants ascending or erect, branched at the base 3 



2 a Stem clothed with glandular hairs 



CLAMMY EVERLASTING. (G. decurrens.) 

 b Stem not with glandular hairs, merely woolly 



COMMON EVERLASTING. (G. obtusifblium.) 



3 a Heads in leafy-bracted clusters, not in spikes 



Low CUDWEED. (G. uliginbsum.) 

 b Heads in a terminal, interrupted spike 



PURPLISH CUDWEED. (G. purpureum.) 



26 XERANTHEMUM IMMORTELLE. (X. dnnuum*) 



27 INULA ELECAMPANE. (I. helenium.) 



28 GAILLARDIA. 



i a Flowers purple or red. SHOWY GAILLARDIA. (G. pulchella*) 

 b Flowers yellow 



GREAT-FLOWERED GAILLARDIA. (G. aristata*) 



29 EMILIA TASSEL FLOWER. (E. fldmmea*) 



30 POLfMNIA. 



i a Ray flowers bright yellow, about MJ in. long 



YELLOW LEAF-CUP. (P. uvedalia.) 



b Ray flowers whitish or yellowish, about % in. long, 

 or sometimes wanting 



SMALL-FLOWERED LEAF-CUP. (P. canadensis.) 



31 SILPHIUM CUP-PLANT. (S. perfoliatum.) 



32 HELI6PSIS. 



i a Leaves and stem rough ROUGH OX-EYE. (H. scdbra.) 



b Leaves and stem not rough .... OX-EYE. (H. helianthoides.) 



33 ECLIPTA ECLIPTA. (E. alba.) 



34 BRAUNERIA PURPLE CONE-FLOWER. (B. pur pur ea*) 



35 RUDBfiCKIA. 



i a Leaves entire or sparingly toothed 



YELLOW DAISY. (R. hirta.) 

 b Leaves pinnately divided or lobed 



GOLDEN GLOW. (R. laciniata*) 



234 



