May, 1907.] A Collecting Trip North of Sault Ste. Marie. 
*33 
Scirpus cyperinus (L.) Kunth. 
Eriophorum polystachyon L. 
Rynchospora alba (L.) Vahl. 
Carex abacta Bailey. 
C. oligosperma Michx. 
*C. retrorsa Schwein. 
C. rostrata Stokes. 
C. stellulata Gooden. 
C. crawfordii Fernald 
C. scoparia Schk. 
Eriocaulon septenangulare With. 
*Juncus nodosus L. 
J. canadensis brevicaudata Engl. 
Streptopus amplexicaulis (L.) DC. 
Pogonia ophiogloisoides (L.) Ker. 
Peramium ophiodes (Fernald) 
Rydb. 
Brasenia purpurea (Michx.) Casp. 
Castalia odorata (Dryand) 
W. & W. 
Coptis trifolia (L.) Salisb. 
Erysimum cheiranthoides L. 
Drosera intermedia Havne. 
Amelanchier oligocarpa R. & S. 
Ilicoides mucronata (L.) Britton. 
Hypericum ellipticum Hook. 
Triadenum virginicum (L.) Raf. 
Cornus canadensis L. 
Monotropa uniflora L. 
Chamaenerion angustifolium (L.) 
Scop. 
Lysimachia terrestris (L.) B. S. P. 
Apocynum androsaemifolium L. 
Scutellaria galericulata L. 
Utricularia cornuta Michx. 
*Viburnum opulus L. 
Solidago rugosa Mill. 
S. canadensis L. 
Euthamia hirtella Greene. 
Aster macrophyllus L. var. 
velutines Burgess. 
*A. puniceus L. 
A. nemoralis Ait. 
*Doellingeria umbellata pubens (A. 
Gray) Britton. 
Anaphalis margaritacea (L.) 
B. & H. 
Achillea millefolium L. 
Chrysanthemum leucanthemum L. 
*Carduus muticus (Michx.) Pers. 
*C. arvense (L.) Robs. 
Bivalves. 
At Heyden one species of bivalve was collected in the small 
stream connecting Mud Lake and the lake just above Mud 
Lake. Specimens were sent to the U. S. Nat. Museum and Mr. 
Rathbun reports that they have been determined as Anodonta 
marginata Sav. 
Crayfishes. 
The crayfish collected on the trip were sent to Dr. A. E. 
Ortmann who furnishes the following report on them: 
1. Cambarus propinquiis Gir. Localities: Crooked Lake, 
Emmett County, Mich.; St. Marys River, Sault Ste. Marie; 
Algoma District, Inlet of Mud Lake, Heyden; Dam Creek, 
Searehmont. 
The specimens are all typical. 
Distribution: Drainage of Mississippi and lower Ohio, and 
of Great Lakes and St. Lawrence; in eastern Iowa, Illinois, 
Indiana, southern Wisconsin, Michigan, northern Ohio, north¬ 
western Pennsylvania, western and northern New York, and 
eastern Ontaria (Toronto) and Quebec (Montreal). Up to the 
present time the last named locality (Montreal) and Oden, 
Emmett Co., Michigan, marked the most northern expansion of 
the range aside from the vague record “Lake Superior” given 
by Hagen (according to L. Agassiz). The present localities 
from the eartern extremity of Lake Superior (vicinity of Sault 
