(107) 
Akenes pyriform, papillate, gelatinous when 
wetted; pappus 0.—@. Flowers pale yellow. 
Leaves alternate. 
1. B. Cauirornicum Torr. & Gray.—Com- 
mon. Spring. 
47. Helenium L. SNEEZE-WEED. 
Superflua. Flowers of the ray palmate. 
Involucre 2-seriate; external scales oo, narrow, 
foliaceous, spreading, at length reflexed; inter- 
nal scales few, paleaceous. Receptacle globu- 
lar, naked. Pappus 5 to 12, membranaceous 
palez. Flowers of the ray yellow; disc pur- 
ple; leaves alternate. 
1. H. puserutum DC.—©. Moist places. 
Summer. 
Tribe VI, ANTHEMIDER, 
Receptacle rarely paleaceous. Scales of the 
involucre scarious. Pappus not capillary. 
48, Anthemis L. May-wexep. 
Superflua. Ray flowers ligulate. Scales of 
the involucre imbricate. Receptacle convex or 
conical, paleaceous. Akenes ribbed. Pappus 
0. Ray-flowers white. Disc yellow. 
I. A. corura L.—©. Common on waste 
grounds, although not indigenous. Native of 
Europe. 
