242 Proceedings Port. So<\ Nat. Hist. 



CKASSULACEAE 



Sedum acre L. Occasional. Rocky ledges and roadsides. 

 Escaped from cultivation. 



Sedum puepureum Tausch. Infrequent. Meadows, head 

 of Fish Creek, Deer Isle (^^. 2833). *Isle au Haut 

 (J. C. Arthur). 



Sedum koseum (L.) Scop. Rare. Rocky shores near Duck 

 Harbor, Isle an Haut (Xo. 1631). This arctic species is 

 also very abundant on the sea cliffs of Placentia Island, 

 two miles east of Swans Island, but has not been found 

 on the latter island. 



Sempeevivum tectorum L. Occasional in fields or waste 

 ground. Escaped from cultivation. 



SAXIFRAGACEAE 



RiBEs HiETELLUM Miclix.^ [Rlbes oxyacanthoides L.] 

 Common in dry open woods and clearings. 



var. CALCicoLA Fernald.^ Infrequent. Rich woods, 

 Dunham's Point, Deer Isle (]S[o. 2216) ; swampy 

 woods, South Deer Isle (]S[o. 1835). 



RiBES americanu:m Mill.^ \^Rihes floridum L'Her.] Rare, 

 ^ear old house, Harrimans Point, Brooklin (A. H. 

 Graves). 



*RiBES LACUSTRE (Pcrs. ) Poir. Little Sheep Island, south- 

 west of Eagle Island Light, Deer Isle (A. H. ISTorton^)]. 

 This is the southern limit of this boreal species. 



1. Fl. Bor. Am. 1: 111 (1803); see Coville, F. V., and Britton, N. L., 



N. A. Fl. 22-': 223, 225 (1908). 



2. Rhodora 13: 76 (1911). 



3. Gard. Diet. ed. 8 No. 4 (1768); see Coville, F. V., and Britton, 



N. L., I. c. 206. 



4. Rhodora 15: 140 (1913). 



