12 



THE FERN BULLETIN 



places where the cinnamon fern grows. When found 

 it may be labelled Osmunda cinnamomca forma augus- 

 ta. 



A handsome variation of the cinnamon fern has also 

 been received from Mr. Severin Rapp. It is allied to 

 the variously cut and divided fronds of this species 

 but differs from them all in producing trilobed pinnules 

 which are evidently due to a pair of veins, stronger 

 than ordinary, that are given off from the base of the 



Osmunda cinnamomea f. trifolia. 



mid-vein. A little beyond the middle of each pinna 

 one or two pairs of pinnae tend to become longer than 

 the rest with wavy or lobed margins, but elsewhere the 

 trilobed pinnae are quite uniform, and occur regularly 

 over the basal two-thirds of each pinna. This form 

 may receive the name of Osmunda cinnamomea forma 

 trifolia. The types of the four forms illustrated are 

 in the writer's collection. — W. N. C. 



NOTES ON INDIANA FERNS. 



By F. C. Greene. 



Koscuisko County. 

 This county is situated in the glaciated part of 

 Indiana and contains numerous moraines, lakes, 

 tamarack swamps and marshy lands. The two latter 

 localities contain several peculiar species, while the 

 morainic uplands produce many of the species common 

 to other parts of the state. The list is as follows : 



