TUSCOLA COUNTY 169 



places and sometimes in open wet ground. Abundant in the swamps 

 near the small lakes. 



Equisetum fluviatile L. Pipes. Swamp horsetail. Common in water 

 and very wet places along slow streams and about the small laki 



Equisetum hyemale intermedium A. A. Eaton. Scouring rush. Fre- 

 quent in dry open or shaded ground. 



Equisetum varicgatum Schleich. Variegated equisetum. Abundant 

 on spots in wet sand along the Saginaw Bay shore and in we1 plac 

 about the small lakes. 



LYCOPODIACEAE. Club Moss Family 



Lycopodium lucidulum Michx. Shining club moss. Occasional in 

 rich damp woods. 



Lycopodium clavatum L. Common club moss. Dryish open woods. 

 Frequent. 



Lycopodium obscurum dendroideum (Michx.) D. C. Eaton. Ground 

 pine. Apparently preferring open dry woods. Noticed only near 

 Murphy's Lake. 



Lycopodium complanatum L. Trailing Christmas-green. Occasional 

 in dry open woods. Noticed in particular near Murphy's Lake. 



SELAGINELLACEAE. Selaginella Family 



Selaginella apus (L.) Spring. Creeping selaginella. Common on low 

 grassy ground, especially near the Saginaw Bay shore and about the 

 small lakes. A very pretty mossy-looking plant. 



TAXACEAE. Yew Family 



Taxus ca?iadensis Marsh. American yew. Ground hemlock. Prob- 

 ably frequent throughout. Noticed in particular in tamarack swamps 

 near Cat Lake and in rich woods near Murphy's Lake. 



PINACEAE. Pine Family 



Pinus strobus L. White pine. Formerly very abundant on sandy 

 ground and dry ridges. It was Very abundant about Fostoria and on 

 dry hills about the small lakes. Now (1910) only an occasional large I r 

 and small shrubs left. Stumps still in place and stump fences give evi- 

 dence of its former prevalence. 



Pinus banksiana Lamb. Jack pine. Occasional along or near Sagi- 

 naw Bay shore. 



Pinus resinosa Ait. Red pine. Norway pine. Very scattering along 

 or near Saginaw Bay shore. 



Larix laricina (Du Roi) Koch. Tamarack. American larch. Form- 



