182 
THIRTEENTH REPORT. 
Anemone cylindrica Gray. Long-fruited anemone. — Frequent in sandy 
ground and on sand ridges. Charity Island. 
Anemone virgmiana L. Tall anemone. — Occasional in rich shaded 
ground. Charity Island. 
Aquilegia canadensis L. Wild columbine. Occasional in sandy 
shaded ground. Charity and Little Charity Island. 
Islenispermiim canadense L. Moonseed. — Occasional on border of 
thickets and in damp open woods. Charity Island. 
Podophyllum peltatum. Mandrake. May apple.— Small patches no- 
ticed in shaded ground. Charity Island. 
Sanguinaria canadensis L. Bloodroot. — Common at the north end in 
rich shaded ground. Charity Island. 
Lepidium virginicum L. Wild peppergrass. — As a weed about the light- 
house. Charity Island. 
Lepidium apetalum Willd. Apetalous peppergrass. — As a weed about 
the lighthouse and occasional on the beach. Charity Island. 
Gapsella bursa-pastor is (L.) Medic. Shepherd’s purse. — As a weed 
about the lighthouse. Charity Island and Little Charity Island. 
Cakile edentula (Bigel.) Hook. American sea rocket. — Common in 
sand along the beach. Charity Island. 
Sisymbrium officinale ( L. ) Scop. Hedge mustard. — As a weed near 
the lighthouse. Charity Island. 
Erysimum cheirantlioides L. Worm-seed mustard. — As a weed about 
the lighthouse and occasional on the beach. Charity Island. 
Dentaria laciniata Muhl. Cut-leaved toothwort. — Abundant in rich 
woods on the east side. Charity Islands. 
Arab is lyrata L. Lyre-leaved rock-cress. — Common on dry sandy 
ground. Charity Island. 
Arabis d rummondi Gray. Purple rock-cress. — In rich woods on the 
east side. Charity Island. 
Arabis laevigata (Muhl.) Poir. Smooth rock-cress. — On sandy ground, 
mostly at the north end fringing the upper beach. Charity and Little 
Charity Islands. 
Ribes cynosbati L. Prickly gooseberry. — Frequent in rich shaded 
ground. Charity and Little Charity Islands. 
Ribes floridum L’Her. Wild black currant. — Common in damp rich 
shaded ground. Charity Island. 
Hamamelis viryiniana L. Witch-hazel. — Common on dry ground. 
Charity Island. 
Platanus occidentalis L. Sycamore. Button-wood. — Many large 
specimens in rich ground with other trees on the east side; numerous 
small trees and shrubs noticed along the beach. Charity Island. 
Spiraea salicifolia L. Willow- leaved meadow-sweet. — Frequent in 
damp ground about low places; noticed in particular near the pond. 
Charity Island. 
Pyrus malms L. Common apple. — Frequent throughout. Charity 
Island. 
Pyrus melanocarpa (Miclix.) Willd. Black chokeberry. — Frequent in 
damp spots; abundant about the pond. Charity Island. 
Amelanchier canadensis (L.) Medic. June-berry. May-cherry. — Fre- 
quent throughout. Charity Island. , 
