CATALOG OF PLANTS. 91 



In .shallow water and in very wet ]:)lace.s along streams and 

 near Rush- Lake. 



340. Polygonum pennsylvanicum L. rennsylvania persicaria. — 



Occasional at Port Au.stin and below CJrindstone City. 



341. Polygonum hydropiper L. Common smartweed. — Frecjuent in 



moist ()])en or shaded places. 



342. Polygonum acre HBK. Water smartweed. — On very wet 



marshy ground near Rush Lake. Port Austin and Har])or 

 Beach. 



343. Polygonum orientale L. Prince's feather. — Occasional in the 



villages as an escape. 



344. Polygonum persicaria L. Lady's thumb. — Usually on damp 



ground in and near the villages. 



345. Polygonum hydropiperoides Michx. Mild water pepper. — Fre- 



quent in Ijottoms of ditches arfd along and in beds of small 

 streams. 



346. Polygonum virginianum L. Virginia knotweed. — Common in 



damp rich open woods and thickets. 



347. Polygonum convolvulus L. Black bindweed. — A weed in 



gardens, fields, and waste places. 



348. Polygonum cilinode Michx. Fringed black bindweed. — ^'ery 



abundant on Little Charity Island. Occasional in other 

 localities. 



349. Polygonum scandens L. Climbing false buckwheat. — Occasional 



in moist thickets at Sand Point. 



350. Fagopyrum esculentum Moench. Buckwheat. — Occasional in 



the villages as an escape. 



351. Polygonella articulata (L.) Meisn. Coast joint weed. — On sand 



at Sand Point, near Caseville. Rush Lake and on Charitv 

 Island. Abundant on the beach at Grindstone City. 



352. Cycloloma atriplicifolium (Spreng.) Coult. Winged pigweed. — 



On sandy ground at Port Austin and Grindstone City. 



353. Chenopodium botrys L. Jerusalem oak. — On sand at Port 



Austin and Grindstone City. 



354. Chenopodium capitatum (L.) Asch. Strawberry blite. — On bank 



of Pigeon river at Caseville. "Occasional in woods." 

 Davis. 



355. Chenopodium hybridum L. Maple-leaved goosefoot. — Frecjuent 



in open woods and a weed in villages and fields. 



356. Chenopodium album L. Lamb's quarters. Pigweed. — A com- 



mon weed in villages, gardens, and fields. 



357. Atriplex patula hastata (L.) Gray. Halberd-leaved orache. — 



