CATALOG OF PLANTS. 107 



on fiat or rolling sandy ground under j^nes and on shaded 

 sand dunes, but nowhere abundant. 



635. Gaultheria procumpens L. In Michigan known as wintergreen. 



— \'ery coninion on flat or rolling sandy ground, usually in 

 shade, and on shaded sand dunes. 



636. Arctostaphylos uva-ursi (L.) Spreng. Rearberry. — Common on 



sand dunes, and a good sand binder. 



637. Gaylussacia baccata (Wang.) C. Koch. Black huckleberry. — 



\'ery common on flat or rolling sandy ground and on sand 

 dunes. Fruit usually al)undant. 



638. Gaylussacia baccata forma glaucocarpa (Robinson) McKenzie. 



HIup huckleberry. — On drifting sand near Port Austin. 



639. Vaccinium pennsylvanicum Lam. Low sweet lilueberry. — 



Xery common on flat sandy ground and on sand dunes. 

 Fruit usually aV)undant. 



640. Vaccinium pennsylvanicum nigrum Wood. Low lilack blue- 



berry. — On fiat sandy ground at Sand Point. Not noticed 

 elsewhere. 



641. Vaccinium vacillans Kalm. Late low l)lueberry. — "Sand dunes 



west of Port Crescent." Davis. 



642. Vaccinium corymbosum L. High l)ush huckleberry. — Abundant 



in the swamps al)out Rusk Lake. 



643. Vaccinium macrocarpon Ait. American cranlierry. ^Frequent 



near Caseville between sand dunes, in what are called "cran- 

 lierry marshes." Occasional in other localities. 



644. Samolus floribundus HBK. AVater pimpernel. — "Bank of 



Pinne])og River. Hume Township." Davis. 



645. Lysimachia terrestris (L.) BSP. Bulb-bearing loosestrife. — 



Frequent in open low wet places. 



646. Lysimachia nummularia L. Moneywort. — Abundant at Port 



Ho]ie. covering large areas of damp clayey ground. 



647. Lysimachia thyrsiflora L. Tufted loosestrife. — Frequent in wjt 



l>laces. often growing in shallow stagnant water. 



648. Steironema ciliatum (L.) Raf. Fringed loosestrife. — Common in 



low damp ground, damp open woods and thickets. 



649. Steironema quadriflorum (Sims) Hitchc. Prairie moneywort. 



— Freciuent on open marshy grountl. 



650. Trientalis americana (Pers.) Pursli. Star flower. — Common in 



rich woods and thickets. 

 65L Fraxinus americana L. White ash. — Common on rich moist 



ground with other trees. 

 652. Fraxinus pennsylvanica ALarsh. Red ash. — Fretpient on low 



rich urounil with other trees. 



