No. 17] FLOWERING PLANTS AND FERNS 289 
Light sandy soil, edges of ponds and ditches. Iuka; 
Leakesville. Spring and summer. 
Geol. Surv. Herb. 
HELENIUM lL. 
Helenium tenuifolium Nutt. Bitter Weed. 
A troublesome weed in pastures and waste places.  Ox- 
ford; Hinds Co.; Rankin Co.; Grenada Co.; Jefferson Co.; Bay 
St. Louis (Allison) ; Coastal Islands (Tracy). Summer and fall. 
Geol. Surv. Herb. Allison Herb. 
Helenium nudiflorum Nutt. (Leptopoda brachypoda T. & G.) 
Low Sneeze Weed. 
Dry open soil, pastures and waste places. Oxford; Gre- 
nada; Bay St. Louis (Allison.) June-July. 
Geol. Surv. Herb. Allison Herb. 
Helenium autumnale lL. Common Sneeze Weed. 
Damp pastures and borders of ditches. Jackson; Rankin 
Co.; Jones Co. (Allison) ; Tippah Co. ~ August-September. 
Geol. Surv. Herb. Allison Herb. 
Helenium vernale Walt. (Leptopoda puberula McBride) Ver- 
nal Sneeze Weed. 
Low banks along pine barren streams (Mohr.) Spring. 
Helenium brevifolium (Nutt.) Gray, (Leptopoda brevifolia 
Nutt.) Short Leaf Helenium. 
Wet sandy soil, edges of woods and thickets (Mohr.) 
Spring. 
ACHILLEA L. Yarrow. 
Achillea millefolium L. Common Yarrow. 
Open waste ground throughout the state. Summer and 
fall. 
Geol. Surv. Herb. 
ANTHEMIS L. 
Anthemis cotula L. (Maruta cotula DC.) May Weed. Dog 
Fennel. 
