1920] Coburn,—Flora of Birch Island in Attean Pond 137 
Chrysanthemum Leucanthemum L. Taraxacum officinale Weber. 
var. pinnatifidum Lecoq & La- Lactuca canadensis L. 
motte. Hieracium aurantiacum L. 
Cirsium arvense (L.) Scop. H. scabrum Michx. 
VII. Waste GROUND FLORA 
Echinochloa crusgalli (L.) Beauv. Cerastium vulgatum L. 
Setaria glauca (L.) Beauv. Agrostemma Githago L. 
8. viridis (L.) Beauv. Lepidium virginicum L. 
S. italica (L.) Beauv. L. apetalum Willd. 
Rumex obtusifolius L., Capsella Bursa-pastoris (L.) Cosson. 
R. Acetosella L. Brassica juncea (L.) Cosson. 
Polygonum aviculare L. B. campestris L. 
P. aviculare L., Potentilla monspeliensis L. 
var. vegetum Ledeb. P. monspeliensis L., 
P. lapathifolium L. var. norvegica (L.) Rydb. 
P. Persicaria L. Vicia Cracca L. 
P. Convolvulus L. Galeopsis Tetrahit L. 
Chenopodium album L. Solanum rostratum Dunal. 
C. album L., ' Erigeron canadensis L. 
var. viride (L.) Moq. Gnaphalium uliginosum L. 
Amaranthus retroflexus L. Ambrosia artemisiifolia L. 
Stellaria media (L.) Cyrill. Anthemis Cotula L. 
A short list is added of plants which were found in Attean town- 
ship, outside of Birch Island. 
In the woods: Equisetum sylvaticum L., Streptopus roseus Michx., 
Cypripedium acaule Ait., Acer saccharum Marsh, Viola incognita 
Brainerd, V. renifolia Gray, Circaca alpina L., Galium triflorum Michx. 
On a high knoll covered with Norway pine: Spiranthes Roman- 
zoffiana Cham., Epipactis tesselata (Lodd.) A. A. Eaton, Pyrola amer- 
icana Sweet, Ledum groenlandicum Oeder. 
On the mountain: Vaccinium pennsylvanicum Lam., var. nigrum 
Wood, V. pennsylvanicum Lam., var. myrtilloides (Michx.) Fernald. 
On burnt land: Corydalis sempervirens (L.) Pers. 
In a bog: Habenaria blephariglottis (Willd.) Torr., Calopogon pul- 
chellus (Sw.) R. Br., Arethusa bulbosa L. 
On the rocks of a small island: Potentilla tridentata Ait. 
On the shore of the mainland: Crataegus macrosperma Ashe, Rhus 
typhina L., Aster radula Ait. 
In the pond: Polygonum amphibium L. 
In Moose River: Sagittaria arifolia Nutt. 
On the edge of a field: Chelone glabra L., Senecio Robinsii Oakes. 
