58 AMERICAN FERN JOURNAL 
fork once or twice at the apex, and are an incipient form 
of the variety cristatum.’’ Specimens were deposited 
in the Columbia Herbarium: and a specimen of var. 
multifidum, which grew on a sloping rock along the 
cascade of the brook, was found in the Hulst herbarium. 
Fern Bull. 7: 34. April 1899. 
Forms, approaching var. deltoideum Gilbert, were 
found on the granitic talus at the foot of Diameter, 
_ near the natural “ice-house,” South Bay, Oct. 5, 1903; 
also one frond of var. RaMosuM Moore. Fronds fork- 
ing at the apex, or with the pinnae forked, were found. 
The South Bay plants, of deltoideum, are quite simr 
lar to figure 3, illustrating J. C. Buchheister’s article, 
“Variations in the Common Polypody,” Am. Bot. 5: 56. 
Sept. 1903. Specimens with partly lobed pinnae were 
found near the summit of Saddle Mt., Fort Ann moun- 
tains, Sept. 27, 1899, and were sent to Dr. Davenport. 
Equisetaceae — 
EQUISETUM ARVENSE I.. 
Moist sandy, clayey and alluvial soil; common. 
April 20-May. 
Variable. The fertile, unbranched stems disappear 
early in the season; the sterile stems, much branched, 
appearing later. This plant is locally known as “Cole 
Pine”; because of its branching stems, and the soil 0 
which it grows is supposed to be wet and cold. It 6 
often a weed in cultivated fields. Sterile plants som 
times have 3-angled stems and the sheaths of the 
branches 3-toothed. 
The form pEcUMBENS (Meyer) Luerssen has been 
found, along the roadside, east of Lake Hadlock, W. 
Fort Ann. 
The form pirrusum (A. A. Eaton) Clute, along the 
sandy roadside, north of Moss Street schoolhouse, 
north of Hudson Falls. 
