40 Rhodora [FEBRUARY 
* OXYBAPHUS FLORIBUNDUS Chois. Along Central Vermont Rail- 
road, Swanton, 18 August (Blake 2859). Determined by Mr. C. A. 
Weatherby. 
* EnvcasrRUM Pouca Schimp. & Spenn. Two plants collected, 
Central Vermont Railroad yard, St. Albans, 22 August (Blake 3008). 
Second New England record; see Robinson, Ruopora xiii. 10 (1911). 
POTENTILLA ANSERINA L. Along Central Vermont Railroad, alt. 
395, St. Albans. 
P. ANSERINA L. var. SERICEA Hayne. Shore of Maquam Bay. 
P. MONSPELIENSIS L. var. NORVEGICA (L.) Rydb. Pasture, alt. 
600, Fairfield. 
* ROSA SPINOSISSIMA L. Pasture, alt. 675, Aldis Hill, St. Albans, 
19 August (Blake 2938). Apparently new to the state. 
* SPIRAEA SALICIFOLIA L. Forming thickets by roadside, alt. 260, 
Swanton, 24 August (Blake 3044). New to New England. 
* EUPHORBIA GLYPTOSPERMA Engelm. Sand along Central Ver- 
mont Railroad, Swanton, 25 August (Blake 3158). New to the state, 
but perhaps introduced. 
Hisiscus Trionum L. A single plant, edge of lawn, St. Albans. 
H. BOREALE (Britton) Bicknell. Shore of Maquam Bay; meadow 
along Charcoal Creek, Swanton; near shore of Fairfield Pond; mea- 
dowy ground, Swanton. 
MYRIOPHYLLUM TENELLUM Big. Shore of Maquam Bay. 
CicUTA BULBIFERA L. Plants collected near shore of Fairfield 
Pond were freely bulbiferous and sparingly fruiting. 
GERARDIA PAUPERCULA (Gray) Britton. Gravelly beach, Maquam 
Bay; dampish sandy soil, Swanton, 25 August; meadowy ground, 
Swanton, 27 August. 
G. TENUIFOLIA Vahl. Clayey bank of Missisquoi River, Swanton, 
alt. 125. 
LINARIA MINOR (L.) Desf. Along Central Vermont Railroad, 
Swanton, 18 August (2860). It has been recorded from North 
Sheldon, only a few miles away (Rnopona xiv. 204 (1912)). 
LONICERA TATARICA L. Pasture, Aldis Hill, St. Albans. 
AMBROSIA TRIFIDA L. var. INTEGRIFOLIA (Muhl.) T. & G. Central 
Vermont Railroad yard, St. Albans. 
* Bivens prscompkA (T. & G.) Britton. Shore, Maquam Bay, 
Swanton, 20 August (Blake 2985). A species hitherto known as of 
coastal plain range from eastern Massachusetts southward and west- 
ward, whose occurrence in the Champlain Valley is of much interest. 
