A GUIDE TO THE WILD FLOWERS 



169 



509. Alum-root. Heuchera americana. {Saxifragaceae.) A 

 hairy woods plant with basal long-stalked leaves and green- 

 ish flowers. Leaves shallowly 7-9 lobed, roundish in outline, 

 deeply heart shaped at the base, about 3 in. wide. Flowers 

 in a terminal raceme, that is 1-2 ft. high ; petals minute, 

 anthers orange. Ontario to Alabama, and westward. Fig. 509. 

 June. For other plants of the family see Nos. 258, 497, 510. 

 512 and 522. 



510. BiSHOP's-CAP. Mitella diphylla. (Saxifragaceae.) Some- 

 what resembling No. 509, but with 2 leaves on the stem, 

 and with whitish flowers. In rich woods. Quebec to No. 

 Carolina, and westward. Early May. A close relative, usually 

 without stem leaves, M. nuda, is smaller, more slender, and 

 is confined to cold moist woods and bogs. Labrador and 

 Newfoundland to the mountains of Penn. and northwest- 

 ward. 



511. Leaves not compound, or divided, or lobed, or cut. 

 (Nos. 512-525.) 



Flowers not white no. 521 



Flowers white (sometimes veined with other colors) 



Flower solitary, rarely 2 to a stalk no. 517 



Flowers in terminal clusters. 



Flowers about J4 in. wide Early Saxifrage no. 512 



Flowers about % in. wide, the petals partly united 



Shin-leaf no. 513 



