50 FLORA OF GRAND RAPIDS. 



150. S. longifolia Muhl. 

 S.f.Ktuatilh Nutt. 

 Wet places; common. Mid-May-Mid-June. 



451. S. lucida Miihl. Shining Willow. 



Common along streams and in swamps; variable. Mid-May. 



4r)'J. S. myrtilloides L. Myrtle Willow. 

 Sphagnous bogs; frequent. Mid-May. 



453. S. nigra Marsh. Black Willow. 



Common along streams and low shores. Mid-May. 



The trunks of trees about Reed's Lake often attain a diameter 



of 18 inches. 



454. S. petiolaris Smith. Petioled Willow. 

 Common in low ground. Mid-April-Mid-May. 



455. S. PURPUREA L. Purple Willow. 



A native of Europe. Often cultivated as a basket willow. Mid- 

 April-Mid-May. 



In 1887 this willow was planted on the west bank of Rouge 

 River, just below the Plaintield Village Bridge. A fire destroyed 

 a part of the patch, and since then, it has been allowed to grow 

 without attention. It is a shrub 5-10 feet high; twigs flexible 

 and purple; leaves oblanceolate, serrulate, somewhat glaucous 

 beneath; aments appearing before the leaves; scales purple 

 (II.W.Hyser). 



45G. S. rostrata Richardson. 

 S. Bebhiana Sarg, 

 In moist or dry soil; common. Mid-April-Mid-May. 

 Pistillate and staminate flowers in the same calkin are frequent, 



457, S. sericea Marsh. Silky W^illow. 

 Low ground; frequent. Mid-April. 



BETULACEAE. Birch Family. 

 ALNUS Gaertn. Alder. 



458. A. incana Willd. Speckled or Hoary Alder. 

 Swamps and near streams; common. April. 



