100 CATALOG OF PLANTS. 



506. Desmodium nudiflorum (L.) DC. Naked-flowered tick trefoil. 



— On rich shaded ground at Sand Point. 



507. Desmodium grandiflorum (Walt.) DC. Pointed-leaved tick 



trefoil. ^ — Frequent in rich woods. 



508. Desmodium dillenii Dark Di lien's tick trefoil.- — On poor shaded 



ground near Rush Lake. 



509. Desmodium paniculatum (L.) DC. Panicled tick trefoil. — On 



flat sandy and shaded ground at Sand Point. 



510. Desmodium canadense (L.) DC. Showy tick trefoil.— In open 



dry woods and on open ground at Sand Point and Port 

 Austin. 



511. Lespedeza frutescens (L.) Britton. Wand-like bush clover. — 



On poor sandy ground on Stony Island. Apparently rare. 



512. Lespedeza hirta (L.) Hornem. Hairy bush clover.— On sandy 



ground near Rush Lake. Apparently rare. 



513. Lespedeza capitata Michx. Round-headed bush clover. — On 



poor sandy ground at Sand Point, Port Austin and Sebe- 

 waing. Not common. 



514. Vicia sativa L. Spring vetch. — Occasional as a weed in villages 



and adjacent fields. 



515. Vicia augustifolia (L.) Reichard. Common vetch. — Frequent 



along railroad near Caseville and Port Austin. 



516. Lathyrus maritimus (L.) Bigel. — A conspicuous beach and sand 



dune plant and sand binder. Common on sand along the 

 lake shore, often growing near the wave line, and on the 

 dunes nearest to the water. Very abundant at Port Austin 

 and on south side of Little Charity Island, where it almost 

 completely covers the ground. 



517. Lathyrus palustris L. Marsh vetchling. — Frec^uent in damp and 



marshy places. 



518. Lathyrus palustris myrtifolius (Muhl.) Gray. Myrtle-leaved 



marsh pea. — On borders of marshes and along streams. 

 Freciuent. 



519. Apios tuberosa Moench. Groundnut. Wild bean. — Frequent 



on borders of woods and thickets. 



520. Amphicarpa monoica (L.) Ell. Hog peanut.— Frequent on dry 



open or shaded ground. . 



521. Amphicarpa pitcheri T. and G.' — Common in rich damp woods 



and thickets. 



522. Linum usitatissimum L. Common flax. — Occasional as a weed 



in villages and along railroads. A common weed in fields 

 near Ruth. 



