1921] Fernald, — Expedition to Nova Scotia 277 



Myriophyllum alterniflorum DC. Colchester Co.: shal- 

 low pool, flood-plain of Salmon River, Truro. See p. 133. 



M. EXALBE8CENS Fernald, Rhodora, xxi. 120 (1919). Brackish 

 water, Cape Breton: Sydney Mines and Baddeck. 



M. vertktllatum L., var. pectinatum Wallr. Cumberland 

 Co.: spring-pools south of Amherst. See p. 131. 



* M. Farwellii Morong. Digby Co.: muddy cove in Lily Lake, 

 Sandy Cove. See p. 163. 



* M. HUMILE (Raf.) Morong. Valley of the Tusket River, Yar- 

 mouth Co.: peaty, sandy and muddy shores, pond-hole near head 

 of St. John Lake, Springhaven, passing in deep water to forma na- 

 tans (DC.) Fernald; tidal flats, Tusket Falls. See p. 105. 



M. tenellum Bigel. Shallow water at sandy or peaty lake-mar- 

 gins of Yarmouth and Digby Cos. Niehols's record of M. humilc 

 from Cape Breton belongs here. Sec pp. 105, 141, 142, 143, 163. 



Prospervinaca palustris L. Yarmouth Co.: boggy swales 

 and savannahs about Tusket (Vaughan) and Butler's (Gavelton) 

 Lakes. See p. 165. 



** X P. intermedia Mackenzie, Torreya, x. 250 (1910). Yak- 

 mouth Co.: boggy savannah by Butler's (Gavelton) Lake, Gavel- 

 ton. Here as at several stations in Massachusetts and Rhode Island 

 growing with /'. palustris and P. pectinata and obviously a fertile 

 hybrid of them. See p. 166. 



**P. pectinata Lam. Yarmouth Co.: wet savannah bordering 

 Butler's (Gavelton) Lake, Gavelton; boggy savannah bordering St. 

 John Lake, Springhaven; peaty and muddy dried-out pond-hole 

 near head of St. John Lake. See pp. 165, 168. 



Hippuris vulgaris L. Yarmouth Co. : shallow pool, Pembroke 

 Shore. Cumberland Co.: spring-pools south of Amherst. 



Aralia racemosa L. Rich or calcareous wooded slopes, Hants 

 Co. to Cape Breton. See p. 170. 



Sanicula marilandica L. Hants Co.: alluvial woods along 

 Five-Mile River. Cumberland Co.: swampy woods, Springhill 

 Junction. 



* S. grecaria Bicknell. Hants Co.: alluvial woods along Five- 

 Mile River. See pp. 137, 170. 



Hydrocotyle amkrkana L. Common in Yarmouth Co. 



Osmorhiza Claytoni (Miehx.) Clarke. Rich, alluvial or cal- 

 careous woods, Annapolis Co. to Cape Breton. See p. 170. 



0. divaricata Nutt. Annapolis Co. : brookside in mixed woods, 

 southern slope of North Mountain, north of Middleton. Victoria 

 Co. : open woods about bases of gypsum cliffs, Port Bevis. See 

 pp. 140, 170. 



Conium maadatum. Waste ground, Digby. 



* Levisticum officinale (L.) Koch. Yarmouth Co.: railroad bank, 

 Lake Annis. 



** Lilaeopsis lineata (Miehx.) Greene. Yarmouth Co.: rocky 

 and muddy tidal banks of Tusket River, Tusket. See p. 110. 



