1911] Fernald,— Variations of Lathyrus palustris. 51 
Great Lakes to Michigan; Alaska to Oregon; also eastern Asia and 
apparently rarely in Europe. Among the eastern American specimens 
examined the following are characteristic. . NEWFOUNDIAND:Chimney 
Cove, north of Bay of Islands, 1893, Waghorne. QUEBEC: rich gravelly 
thicket by the River St. Lawrence, Riviére du Loup, August 3, 1902, 
Williams & Fernald; between Baldé and the Baie des Chaleurs, 
Bonaventure River, August 5-8, 1904, Collins, Fernald & Pease. 
Nova Scotta: damp soil near edge of pond, near Pictou, July 12-18, 
1901, Howe & Lang, no. 470; Sable Island, August 3, 1899, J. Macoun, 
no. 21,195. Maine: Low ground, Cutler, July 3, 1902, Kennedy 
and others; Wells Beach, Wells, July 28, 1890, Kate Furbish. NEw 
York: edge of woods, Murray Island, Jefferson County, July 4, 1902, 
Robinson & Maxon, no. 95. MICHIGAN: near Alpena, July 13, 1895, 
C. F. Wheeler. 
* * Plant comparatively slender, the winged or wingless stem 1-6 (very 
rarely 8) dm. high, 0.5-1.5 mm. in diameter below the lowest peduncle: the 
middle leaves with 2 or 3 (rarely 4 or 5) pairs of linear, lanceolate or narrowly 
oblong leaflets 2.5 (rarely only 1.5)-5.5 em. long and 1.5-9 mm. wide: 
peduncles 2-5-flowered: flowers 1.3-1.8 cm. long. (Commonly well marked 
plants, but in their coarser and larger-leaved forms passing unquestionably 
to the members of the preceding and the following groups.) 
Var. LINEARIFOLIUS Seringe. Stems, leaves, ete. glabrous.— 
Seringe in DC. Prodr. ii. 371 (1825). L. viciaeformis Wallr. Sched. 
Crit. 388 (1822).— Seen by the writer only from the St. Lawrence 
Basin and adjacent territory, and from Eurasia. The following 
American plants are characteristic. QuEBEC: vicinity of Montmorenci 
Falls, July 14, 1905, J. Macoun, no. 66,818. New YORK: northern 
New York, Torr. € Gray Fl. Onrarto: Michipicoten River, Loring. 
Minnesota: Willmar, Kandiyohi County, July, 1892, W. D. Frost. 
Var. PrLosUs (Cham.) Ledeb. Similar, but stems, leaves, calyces, 
and pods pubescent.— Fl. Ross. i. 686 (1842). L. pilosus Cham. 
Linnaea, vi. 548 (1831).— Meadows and swamps (often brackish) or 
even in dry situations, Labrador to Connecticut and probably slightly 
southward, Alaska to Oregon; also Kamchatka and eastern Siberia 
to Amur and Japan. The following among many eastern American 
specimens are characteristic. LABRADOR: sandy barrens, Blanc 
Sablon, July 31, 1910, Fernald & Wiegand, no. 3645 (the most 
dwarf extreme, plants only 1-1.6 dm. high, the leaflets only 1.5-2.7 
em. long). NEWFOUNDLAND: gravelly shore, Port Saunders Harbor, 
August 6, 1910, grassy field overlying limestone rocks, Cow Head, 
July 22, 1910, Fernald & Wiegand, nos. 3644, 3643. QUEBEC: Seven 
Islands, Saguenay County, August 14, 1907, C. B. Robinson, no. 913; 
alluvial soil, mouth of Port Daniel River, July 30, 1902, seashore sands, 
1It is probable that the Long Island L. palustris, which the writer has not seen, 
belongs to this common coastal variety. 
