190 
THIRTEENTH REPORT. 
Taraxacum ofjincinale Weber. Common dandelion. — Frequent. Charity 
and Little Charity Islands. 
Sonchus asper (Li.) Hill. Spiny • -leaved sow thistle. — As a weed near 
the lighthouse. Charity Island. 
Lactuca scariola integrate Gren. & Godr. Prickly lettuce. — As a 
weed about the lighthouse. Charity and Little Charity Islands. 
Lactuca canadensis L. Wild lettuce. — Frequent in open woods. Char- 
ity and Little Charity Islands. 
Lactuca spicata (Lam.) Hitchc. Tall blue lettuce. — Occasional in 
damp open woods. Charity and Little Charity Islands. 
Prenanthes racemose Miclix. Glaucous white lettuce. — Frequent in 
damp ground at the south end. Charity Island. 
Prenanthes alba L. White lettuce. Rattlesnake root. — Occasional in 
open woods. Charity Island. 
Hieracium venoswm L. Rattlesnake-weed. Frequent on poor sandy 
ground. Charity Island. 
Hieracium scabrum Miclix. Rough hawk weed.— Frequent in sand}- 
ground. Charity Island. 
Hieracium gronovii L. Gronovius’ hawkweed. — Occasional in sandy 
ground. Charity Island. 
Hieracium longipilum Ton*. Long-bearded hawkweed. — Common on 
open sandy ground. Charity Island. 
Hieracium umbellatum L. Narrow-leaved hawkweed. — Frequent in 
open sandy ground. Charity Island. 
April, 1911. 
