1921] Fernald,— Expedition to Nova Scotia 265 



Coronopvs didymus (L.) Sm. Waste ground, railroad yards, etc., 

 Digby, Yarmouth and Sand Beach (Yarmouth Co.). See p. 140. 



* Subttlaria AQUATICA L. Sandy and gravelly bottoms of lakes. 

 Yarmouth Co.: Jassy Lake, Lake Annis; Salmon (Greenville) L.; 

 Clearwater L., Belleville; Frost L., Argyle; Great Pubnico L. Shel- 

 burne Co.: Clement Pond, Barrington. Victoria Co.: Warren 

 L., Ingonish, J. R. Churchill. See pp. 142, 143, 151, 156. 



* Camelina microcarpa Andrz. Casual weed of railroad yards. 



* Neslia panimhita (L.) Desv. Casual weed of railroad yards and 

 waste places, nowhere abundant but often seen in small quantity. 



* Conringia oriental in (L.) Dumort. Casual in railroad yards. 



* Sisymbrium officinale (L.) Scop. Occasional weed in Digby, 

 Yarmouth and Queens Cos. Yar. leiocarpum DC. was not seen. 

 See p. 140. 



* Erisymum parviflorum Nutt. Cumberland Co.: gravelly rail- 

 road yard, Springhill Junction. See p. 132. 



Dentaria diphtlla Michx. Annapolis Co.: brookside in mixed 

 woods, southern slope of North Mt., near Middleton. Hants Co.: 

 rich woods near gypsum cliffs along Five-Mile River. See pp. 137, 

 140, 170. 



Drosera longifolia L. I), intermedia Hayne. The great 

 abundance of this species in wet peaty and sandy soils from Yar- 

 mouth to Annapolis Co. makes it difficult to understand Dr. C. B. 

 Robinson's belief that in Nova Scotia this species is restricted to 

 Cape Breton (see p. 90). 



** Drosera longifolia X rotundifolia, n. hybr., petiolis sparse 

 pilosis, laminis late obovatis. 



Petioles sparingly pilose; blades broadly obovate. — Nova Scotia: 

 with the two parents and exactly intermediate between them, on a 

 knoll in wet peaty slough in barrens, Lower Argyle, August 11, 1920, 

 Fernald, Bissell, Graves, Long & Under, no. 21,349 (type in Gray 

 Herb.). See p. 155. 



Tillaea AQUATICA L. Shelburne Co.: damp sand-flats back of 

 leach, Villagedale. See p. 150. 



Scdum acre L. Shelburne Co.: ledgy roadside, Barrington. 



8. stoloniferum Gmel. Spreading to rocky or gravelly roadsides 

 at manv points in Digby, Yarmouth and Shelburne Cos. See p. 

 94. 



S. roseum (L.) Scop. Digby Co.: basaltic cliffs by Bay of Pundy, 

 Sandy Cove. See p. 103. 



** Hamamelis virginiana L., var. parvifolia (Nutt.) T. & G. 

 Fl. i. 597 (1840). A very striking extreme of the species with the 

 comparatively small and thick leaves densely stellate-hirsute and 

 usually rufeseent beneath. Described by Nuttall from Pennsyl- 

 vania, and cited by Torrey & Gray from Louisiana, but the shrub 

 occurs northward into New England and Nova Scotia. The follow- 

 ing are characteristic specimens. Nova Scotia: thickets bordering 



