FLOWERING PLANTS AND FERNS OF INDIANA. 781 



SPIRiEA L. 



8. salicifolia L. Meadow Sweet. 



Common in low, wet grounds and swamps in many counties 

 in the State. A handsome shrub from two to four feet high, 

 with the white or rose-tinted flowers in dense panicles. 



Flowering from June through August. 



Tippecanoe, Laporte, Elkhart and Jefferson (Barnes); Cass 

 (Hessler); Lagrange and Vigo (Blatchley); Jay, Delaware, Ean- 

 dolph and Wayne (Phinney); Clark (Baird and Taylor); Gibson 

 and Posey (Schneck); Noble (Van Gorder); Monroe (Dudley); 

 Cedar Lake (Deam); Steuben (Bradner). 



S. tomentosa L. Hardhack. Steeple-bush. 



Less widely distributed than the former, but quite common in 

 the southern counties. Found growing in wet situations. A 

 handsome shrub with purple flowers gathered in dense panicles. 

 Both species of this genus are worthy of cultivation as ornamental 

 shrubs. 



Flowers from July until October. 



Kosciusko (Coulter); Daviess (Clements); Cass (Hessler); Jef- 

 ferson (J. M. Coulter); Clark (Baird and Taylor); Noble (Van 

 Gorder); Franklin (Meyncke); Steuben (Bradner). 



ARUNCUS Adans. 



A. Aruncus (L.) Karst. Goat's-beard. 



(Spiraea Aruncus L.) 

 Frequent in many counties growing in rich, damp soils. Most 

 frequently found on banks and bluffs of streams. 

 Flowers from May through July. 



Kosciusko (Coulter); Monroe (Blatchley); Jefferson (J. M. 

 Coulter); Gibson and Posey (Schneck); Clark (Baird and Taylor). 



PORTERANTHUS Britton. 



P. trifoliatus (L.) Britton. Indian Physic. Bowman's Root. 

 (Gillenia trifoliata Moench.) 

 In rich soils in shaded places in the southern counties. Prob- 

 ably of somewhat wider distribution than the citations indicate. 

 Flowers in May and June. 

 Gibson and Posey (Schneck); Clark (Baird and Taylor). 



