18:2 



WEEDS AND L'SEFUL PLANTS. 



tain a large amount of potash, and it would probably be found a very 

 exhausting crop. Fowls are very fond of the fruit, or seeds, as they are 

 usually called. * 



12. ACTmO'MERIS, Nutt. Actinomeris. 



[Greek, dktin, a ray, and meris, a part ; the rays being sometimes few or irregular.] 



Heads many -flowered ; 

 rays few or several, neu- 

 tral. Scales of involucre 

 in 1 - 3 rows. Receptacle 

 convex or conical chaffy. 

 Aken'es laterally compress- 

 ed and winged. Pappus 

 of 2 smooth persislent 

 awms. Tall and branch- 

 ing perennial herbs with 

 serrate feather - veined 

 leaves tapering to the 

 base, and mostly decur- 

 rent on the stem. 



1. A. SQUARRO'SA, Nutt. 



Stem somewhat hairy and 

 winged above ; scales of 

 Ihe involucre in 2 rows, 

 the outer linear-spatu- 

 late, reflexed ; rays 4- 

 10, irregular. 



Squarrose Actinomeris. 



stem 4-8 feet high, smooth 

 below. Leaves a foot or more 

 in length. Akenes broadly wing- 

 ed ; receptacle globular. 



Western and Southern States. 

 September. ^ 



Ohs. This is said by 

 Dr. Short to be a com- 

 mon weed in cultivated 

 grounds in Kentucky. , 



Fig. 123. Flowers of Actinomeris squarrosa. 124. A separate floret, the akene with a 

 2-awued pappus. 



