Funaria hygrometrica Sibth. — Woods at Spirit Lake. 



Amblystegium riparium L. — • On logs in damp woods, at Spirit Lake. 



The following additional species were identified by Miss Cavanagh: 



Mnium cuspidatum (L.) Ley. 



Leskea polycarpa Ehrh. — On bases of trees. 



The vascular plants which have been definitely identified are presented 

 in the list which follows. The following symbols are employed in the table : 

 The Roman numerals mark localities as follows : 

 1. — Woods of the Elm Crest peninsula. 

 II. — The narrower wooded borders along the west side of West Oko- 

 boji lake. 



III. — The woods at Arnold 's Park. 



IV. — The forest on the southeast side of East Okoboji lake. 

 V. — The forest border between East and West Okoboji lakes. 



VI. — Center lake woods. 

 VII. — ' Woods around Spirit Lake. 

 VIII. — • Woods along the Little Sioux river. 



IX. — Woods west of Estherville. 

 The letters in the first column represent the following habitats: 



a. — Deep woods. 



b. — Open woods and borders. 



c. — ' Moist borders, 

 i. — ' Introduced. 



The numbers in the columns indicate abundance, and correspond to those 

 used in the preceding tables. 





I 



II 



III 



IV 



V 



VI 



VII 



VIII 



IX 



Subkingdom III— PTERIDOPHYTA 

 Family Polypodiaeew 



Adiantum pedatum L. a 

 Asplenium filix-foemina (L.) 



Bernh. a 

 Cystopteris fragilis (L.) 



Bernh. a 

 Family Osmundacece 



Osmunda Claytoniana L. a 

 Family OpMoglossacew 

 Botrychium virginianum 



(L.) Sw. a 

 Family EquisetacecB 



Equisetum hyemale robustum 

 (A. Br.) A. A. Eaton c 

 Subkingdom IV — SPERMATO- 

 PHYTA 

 Class I. GYMNOSPERM^ 

 Family Pinacece 



Juniperus virginiana L. a 



4 



5 



4 





4 



4 



5 









4 



3 



4 

 5 



58 



