74 BOTANY OF LA SAL,LE COUNTY. 



CALYCANTHUS. Shrubs with aromatic leaves and 

 bark and P. flowers at ends of branches; 2% to 

 7ft. 



C. floridus. Leaves oval, soft downy below. 

 C. laevigatus. I/eaves oblong, thin, green, smooth. 

 C. glaucus. Leaves oblong-ovate, acuminate, white 



below. All are found in gardens. 

 Order 35. SAXIPRAGACEAE. Saxifrages. Herbs 



and shrubs. 

 SAXIFRAGA. P. Saxifrage. Root leaves usually 



clustered: those of stem alternate, all thick. 

 S. Virginiensis. Early Saxifrage. Leaves obovate 

 narrowed into a broad petiole, crenate toothed, 

 downy; scape nearly leafless; flowers in abroad, 

 flat cluster, W. or P. W. ; 4 to 12 in. Ap. M. 

 On rocks and dry hills. 



S. Pennsylvanica. Leaves oblanceolate, slightly 

 toothed, 4 to 8 in. long and narrowing into a 

 short broad petiole. Stem 1 to 2 ft. hollow, 

 hairy, sticky; flowers in a large cluster forming 

 a panicle. Y. G.; M., Bogs. 



MIT ELL A. Miller Wort. Bishop's Cap. Hairy, 

 leaves cordate, somewhat 3 to 5 lobed in a 

 cluster. 



M. diphylla. Stems slender with two cordate, 



acuminate opposite leaves in middle and a spike 



of delicate W. flowers with fringed petals; 6 to 



10 in. M. Woods. 



HEUCHERA. P. Alumroot. Leaves in a cluster 



round-cordate. 

 H. Americana. Stems 2 to 3 ft., hairy; flowers Y. 



M. Ju. 

 CHRYSOPLEN1UM. Water Carpet. Golden Saxe- 



frage. 

 W. C. Americanum. Leaves opposite roundish, G. 



