\ 
1913] — Blake,— Six Weeks’ Botanizing in Vermont,— I 165 
*ARABIS CANADENSIS L. Woods, alt. 765, Williston, 5 August. 
*BARBAREA VULGARIS R. Br. Along brook, alt. 310, Essex Junction, 
20 July. 
Brassica NIGRA (L.) Koch. Waste land near L. Champlain, 
Burlington. 
RADICULA PALUSTRIS (L.) Moench. Along the Winooski R., 
¿ssex Junction. 
*SISYMBRIUM OFFICINALE (L.) Scop. About fifty plants, near 
farmhouse, Burlington,— the station discovered by Mrs. Flynn on 
24 July; three plants in pasture, Shelburne, 30 July; one plant near 
farmhouse, Colchester, 2 August. See Flynn, Bull. 7 Vt. Bot. Club, 
17 (1912); Blake, Ruopora xiv. 190-192 (1912). 
POLANISIA GRAVEOLENS Raf. A single plant collected along the 
railroad at Twin Bridges, alt. 250, Colchester, 24 July, about five 
miles above the mouth of the Winooski. 
* AMELANCHIER CANADENSIS L (Not of Mrs. Flynn’s list.) Beside 
road, alt. 160, Burlington, 27 July (Blake 2278); shady roadside, alt. 
140, Burlington 2 August (2497). This and the two following identi- 
fied by Prof. K. M. Wiegand. 
?A. HUMILIS Wiegand. A doubtful collection, possibly of this 
species, made with the last (2496). 
A. LAEVIS Wiegand. (A. canadensis L. of Mrs. Flynn's list.) 
Essex Junction (2037) and Colchester (2472). 
CRATAEGUS MACRACANTHA Lodd. Edge of woods, Essex Junction. 
C. PUNCTATA Jacq. Pasture, Williston, alt. 505. 
EX FRAGARIA GRANDIFLORA Ehrh. Lumber yard, Burlington, 19 
July. 
PorENTILLA ANSERINA L. var. SERICEA Hayne. In addition to 
Mrs. Flynn's locality on the shore of L. Champlain in Burlington, the 
following stations were found for this variety: sandy soil, Colchester, 
between Barney Point and Colchester Point; rocky shore of Lake, 
between Mills Point and Porter Point, Colchester; shore of Malletts 
Bay; shore of Shelburne Bay, Queen City Park, South Burlington. 
*P. MONSPELIENSIS L. var. NORVEGICA (L.) Rydb. A single plant 
found in sand along railroad, Essex, 26 July. 
*P. PALUSTRIS (L.) Scop. f. suBsERICEA (Becker) Wolf, Monog. 
Potentilla 76 (1908). P. palustris var. subsericea Becker, Deutsch. 
Bot. Monatsschr. xv. 85 (1897).— This handsome but inconstant 
form, first recorded from America by Fernald € Wiegand in RHODORA 
