MICHIGAN ACADEMY OF SCIENCE. 
91 
Santalaceae (Sandalwood Family). 
Comandra umbellata (L.) Nutt. Bastard Toad-flax. Obtained in pre- 
vious years. 
Comandra iivida Richards. Rare, sandy shore of Burt Lake. 
Polygonaceae (Buckwheat Family). 
Rumex crispus L. Curled Dock. 250. Scarce, in the Iris Association. 
Rumex acetosella L. Sheep Sorrel. 32, 243. As a fireweed in burnt 
land. 
Polygonum aviculare L. 439. In a roadway. 
Polygonum amphibium L. 221, 232. Not common, occurring in moist 
ground in thickets, Calamagrostis meadow and once as a fireweed. 
Polygonum acre HBK. Water Smartweed. 456. Along a road thru a 
beech-maple woods, rare. 
Polygonum persicaria L. Lady’s Thumb. Collected by Mr. Loew in 
1910. 
Polygonum hydropiperoides Michx. Mild Water Pepper. 518. Banks of 
Maple River, at the edge of the willow thickets. 
Polygonum cilinode Michx. Bindweed. 208. Occasional in thickets, 
willow, aspen, Myrica and brambles. 
Fagopyrum esculentum Moench. Buckwheat. 437. In an abandoned 
field. 
Chenopodiaceae (Goosefoot Family). 
Chenopodium capitatum (L.) Asch. Strawberry Blite. 384, 513. A fire- 
weed of limited distribution, occurring also in fields. 
Chenopodium hybridum L. Maple-leaved Goosefoot. 380. Fireweed. 
Chenopodium album L. Lamb’s Quarters. 381. Fireweed of limited 
distribution. 
Chenopodium sp. 517. In an abandoned field. 
Amo ranthacea e (Amaranth F amily) . 
Amaranthus retroflexus L. Pigweed. 382. An uncommon fireweed. 
Amaranthus blitoides Wats. 427. In a sandy abandoned field. 
Caryophyllaceae (Pink Family). 
Stellaria media (L.) Cyrill. Chickweed. 416. In a road thru a beech- 
maple woods near Vincent Lake. 
Cerastium vulgatum L. Mouse-ear Chickweed. 287. In a road thru a 
cedar bog. 
Agrostemma githago L. Corn Cockle. 433. In an abandoned rye field. 
Silene antirrhina L. Sleepy Catchfly. Collected by Mr. Loew. 
Silene noctiflora L. Night flowering Catchfly. 54. One plant found in 
a cedar bog along a roadway. 
Saponaria officinalis L. Soap wort. 409. In a fence corner near an 
abandoned farm house. 
Portulacaceae (Purslane Family). 
Portulaca oleracea L. Common Purslane. 514. In an abandoned field. 
Ceratophyllaceae (Hornwort Family). 
Ceratophyllum demersum L. 508. In the Potamogeion association in 
Douglas L. 
