174 SIXTEENTH REPORT. 



in dry and sandy ground, especially on the shaded and fixed sand dunes 

 along the Lake Huron shore. 



Lespedeza hirta (L.) Hornem. Hairy Bush Clover. — Common in drj' and 

 sandy ground. 



Lespedeza capitata Michx. Round-headed Bush Clover. — Frequent in dry 

 and sandy ground, especially near Lake Huron shore, and on the delta 

 islands. 



Vicia sativa L. Spring Vetch. — Occasional as a weed in gardens, fields and 

 on roadsides. 



Vicia angustifolia (L.) Reichard. Common Vetch. — Frequent along high- 

 ways and railroads, and often in gardens and fields as a weed. 



Vicia sepium L. Bush Vetch. Wild Tare. — Becoming frequent along 

 roads and in bushy pastures. 



Vicia tetraperma (L.) Maench. Slender Vetch. — Occasional along rail- 

 roads. 



Vicia cracca L. Cow Vetch. — Frequent on railway embankments and 

 borders of tliickets. 



Vicia caroliniana Walt. Carolina Vetch. — Frequent in shaded ground and 

 on banks of streams. Abmidant in open dry ground on the north end of 

 Walpole Island. 



Vicia americana Muhl. American Vetch. — Reported by Prof. John 

 Macoun as noticed near Point Edward. Apparently rare. 



Vicia villosa Roth. Hairy Vetch. — Often cultivated and inclined to escape 

 to roads and waste places and persist. 



Lathyrus maritimus (L.) Bigel. Beach Pea. — Frequent in sand along the 

 Lake Huron shore. Abundant on the sand dunes at Port Franks. A good 

 sand binder. 



Lathyrus palustris L. Marsh Vetchling. — Frequent in damp grassy places 

 on l)orders of damp rich woods and banks of streams. 



Lathyrus palustris linearifolius Ser. Winged Marsh Vetchling. — Frequent 

 on Ijorders of open woods especially on the delta islands. 



Lathyrus palustris myrtifolius (Muhl.) Gray. Myrtle-leaved Marsh Pea. — 

 Frequent in ditches, and near lakes and streams. 



Lathyrus venosus Muhl. Veiny Pea. — Reported by Prof. John Macoun 

 as noticed near Sarnia. Apparentlj" rare. 



Lathyrus ochroleucus Hook. Cream-colored Vetchling. — Occasional in dry 

 open woods and thickets. Newton Tripp. 



Lathyrus latifolius L. Everlasting Pea. — Inclined to escape and persist on 

 roadsides near Sarnia. 



Apios tuberosa Moench. Groundnut. Wild Bean. — Frequent on borders 

 of woods and thickets. 



Strophostyles helvola (L.) Britton. Trailing Wild Bean. — Reported by 

 Prof. John Macoun as noticed on or near sandy shore of Lake Huron north 

 of Sarnia. Apparently rare. Common on Lake Erie shore. 



Amphicarpa monoica (L.) Ell. Hog Pea-nut. — Frequent in dry open woods 

 and thickets. Much smaller than the following. 



Amphicarpa pitched, T. and G. Pitcher's Hog Pea-nut. — Frequent in 

 damj) rich oj^en woods, and thickets and along streams. Noticed especially 

 on the delta islands. 



Linaceae. Flax Family. 



Linum usitatissimum L. Common Flax. — Occasional in fields, on road- 

 sides, and along railways. Cultivated. Occasionally noticed as a weed in 

 fields. 



