150 BOTANY OF MICHIGAN 



SARRACENIACEAE. Pitcher-plant Family 



Sarracenia purpurea L. Pitcher-plant. Bogs and swamps through- 

 out. Frequent. 



DROSERACEAE. Sundew Family 



Drosera ro'undifolia L. Round-leaved sundew. In bogs and swamps 

 throughout. Often abundant. 



Drosera longifolia L. Oblong-leaved sundew. Bogs and wet sandy 

 shores. Apparently infrequent. 



CRASSULACEAE. Orpine Family 



Sedum acre L. Mossy stone crop. Noticed on sandy ground in and 

 about Sault Ste Marie. 



Sedum purpureum Tausch. Live-for-ever. Noticed as an escape in 

 and about Sault Ste. Marie. 



SAXIFRAGACEAE. Saxifrage Family 



Tiarella cordifolia L. Beech-maple-birch woods throughout. Fre- 

 quent. 



Mitella nuda L. Naked bishop's cap. Woods, especially tamarack- 

 black spruce swamps throughout. Common. 



Chrysosplenium americana Schwein. Golden saxifrage. Wet shaded 

 places especially along small slow streams. Common throughout. 



Parnassia caroliniana Michx. Carolina grass-of-parnassus. Swampy 

 open or slightly shaded places throughout. Frequent. 



Ribes floridum L'Her. Wild black currant. Damp shaded ground 

 throughout. Frequent. 



Ribes lacusire (Pers.) Poir. Swamp black currant. Woods throughout 

 and frequent. 



Ribes prostratum L'Her. Skunk currant. Beech-maple-birch woods 

 throughout. Frequent. 



ROSACEAE. Rose Family 



Physocarpus opulifolius (L.) Maxim. Ninebark. Along banks of 

 streams throughout. Common. 



Spiraea salicifolia L. Meadow-sweet. Low damp open ground, often 

 in damp sand, throughout. Common. 



Pyrus malus L. Apple. Along roads and margins of woods through- 

 out. Frequent. 



Pyrus arbutifolia atropurpurea (Britton) Robinson. Purple-fruited 

 chokeberry. Damp open or slightly shaded swampy places. Common 

 throughout. Occasional on sand dunes. 



