MICHIGAN ACADEMY OF SCIENCE. 
181 
Polygonum mulilenbergii (Meisn.) Wats. Swamp persicaria. — In and 
about the pond. Charity Island. 
Polygonum persicaria L. Lady’s thumb. — About tlie lighthouse as a 
weed and occasional in damp sand along the beach. Charity Island. 
Polygonum convolvulus L. Black bindweed. About the lighthouse as 
a weed and occasional along the beach. Charity and Little Charity 
Islands. 
Polygonum cilinode Michx. Fringed black bindweed. — Noticed only 
on Little Charity Island where it is abundant in sandy ground. 
Polygonum scandens L. Climbing false buckwheat. — Occasional in 
damp thickets. Charity Island. 
Polygonellu articulata (L.) Meisn. Coast jointweed. — Common on 
sand ridges, especially on the west side. Charity Island. 
Clie no podium hybridum (Li.) Maple-leaved goosefoot. — As a weed 
about the lighthouse and occasional along the beach. Charity and Little 
Charity Islands. 
Chenopodium album L. Pigweed. Lamb’s quarters. — As a weed about 
the lighthouse and elsewhere. Charity and Little Charity Islands. 
Atriplex patula hastata (L.) Gray. Halberd-leaved orache. — As a 
weed about the lighthouse. Charity Island. 
Hal sol a kali tenui folia C. F. W. Mey. Russian thistle. — A few speci- 
mens noticed about the lighthouse. Charity Island. 
Amaranthus retro pexus L. Amaranth pigweed. Green amaranth. — 
As a weed about the lighthouse and elsewhere. Charity and Little 
Charity Islands. 
Amaranthus graecizans L. Tumble weed. — As a weed about the light- 
house and occasional along the beach. Charity Island. 
Amaranthus blitoides Wats. Prostrate amaranth. — As a weed about 
the lighthouse. Charity Island. 
Silene antirrhina L. Sleepy catchfly. — Occasional on sand ridges. 
Charity Island. 
Raponaria op dual is L. Bouncing bet. Soapwort. — In sand near the 
lighthouse. Charity Island. 
Nymphaea advene. Ait. Yellow water lily. Cow lily. — A few specimens 
in the pond. Charity Island. 
Castalia tuberosa (Paine) Greene. Tuberous white water lily. White 
water lily. — Noticed in the pond. Charity Island. 
Ranunculus abortivus Ij. Small -flowered crowfoot. — Common in damp 
rich woods. Charity Island. 
Ranunculus recurvatus Pers. Hooked crowfoot. — Occasional in rich 
shaded ground. Charity Island. 
Ranunculus pennsylvanicus L. f. Bristly crowfoot. — Occasional in 
damp grassy open places. Charity Island. 
Thalictrum dioicum L. Early meadow rue. — Common in rich shaded 
ground. Charity Island. 
Thalictrum dasycarpum Fiscli. & Ball. Purple meadow rue. — Oc- 
casional in damp open ground. Charity Island. 
Hcpatica triloba Chaix. Round-lobed liver-leaf. — Frequent in rich 
shaded ground. Charity Island. 
Hcpatica acutiloba DC. Sharp-lobed liver-leaf. — Common at the north 
end in damp rich shaded ground. Charity Island. 
