164 Class XVI. Order VIII. 



thick, woolly down. Leaves alternate, ovate, with three ov 

 more imperfect lobes, toothed, exceedingly downy and velvet- 

 like to the touch. Flowers large, axillary and terminal. Calyx 

 downy. Petals light, purple, inversely heart shaped. The 

 whole plant, especially the root, abounds in mucilage, and is 

 much used as a demulcent remedy. August, September, 

 Perennial. 



105. HIBISCUS. 

 HIBISCUS PALUSTRIS. L. Marsh Hibiscus. 



Stem herbaceous, simple ; leaves ovate, some- 

 what three lobed, downy underneath ; flowers ax-, 

 illary. Willd. 



A tall, handsome plant. Stem erect, somewhat downy. 

 Leaves ovate or three lobed, green above, whitish and soft with 

 down underneath, serrate, acuminate. Flowers nearly as large 

 as the hollyhock, on axillary stalks. Calyx downy, its outer 

 segments linear. Corolla pale purple. Found in Newton near 

 the banks of Charles river. August. Perennial. 



