A GUIDE TO THE WILD FLOWERS 



179 



Wild Carrot no. 547 



Bracts under the flower cluster not dissected 



Poison Hemlock no. 548 



Plants of wet places 



Of salt meadows Sea Lovage no. 549 



Of fresh water places 



Hemlock water-parsnip no. 550 



539. Pennywort. Hydrocotyle umbellata. A low plant of 

 wet places, not over 5 in. high, the nearly round scalloped- 

 edged leaves with the leaf-stalk attached to the center of the 

 blade. Flower minute, in a simple umbel which stands above 

 the leaves. July-September. Mass. to Florida, and westward. 

 Fig. 539. There are several closely related species, one of 

 them, H. americana, has the leaf-stalks attached to the edge 

 of the blade, and few-flowered umbels that are hidden by 

 the leaves. It is found from Nova Scotia to No. Carolina and 

 westward. 



540. Cow-parsnip. Heracleum lanatum. An immense herb, 

 often 8 ft. tall, with white hairy stems and foliage. Leaves 

 usually at least 2 ft. wide, thrice compound, the ultimate 

 segments 3-6 in. wide, lobed and toothed. Flower cluster 

 white, 6-12 in. wide, its chief bracts almost none. Bracts of 

 the final umbels fine and thread-like. Fruit broadly oval, 

 about 34 Jn- broad, hairy. In moist places. Newfoundland 

 to No. Carolina, and westward. June. Fig. 540. 



541. Watkr IIemu)ck. Cicuta maciilata. A smooth, branch- 

 ing herb, with a purple lined stem, 4-6 ft. high. Leaves 

 thrice compound, the ultimate segments about 13^ in. wide, 

 the veins ending in the notch between the marginal teeth. 



