1921] Fernald,— Expedition to Nova Scotia 245 



H. OBTUSATA (Pursh) Richards. Not seen west of Colchester and 

 Queens Cos. 



H. Hookeri Torr. Not seen west of Queens Co. 



H. macrophylla Goldie. Colchester Co. : rich woods, Folleigh. 

 Cape Breton Co. : mixed woods, North Sydney. See p. 130. 



H. blephariglottis (Willd.) Torr. Abundant on boggy barrens 

 and even in dryish barrens and spruce thickets, Yarmouth Co. ; seen 

 only in peat overlying the gold-bearing series in southern Shelburne 

 and Queens Cos. and not observed on the granitic areas. See pp. 

 90, 110, 142, 148, 157. 



** Pogonia ophioglossoides (L.) Ker, var. brachypogon, n. var., 

 barba labii obsolescente; segmentis perianthii vix divergentibus; planta 

 plerumque subcespitosa. 



Beard of the lip obsolescent, represented by short knobs: segments 

 of the perianth scarcely divergent: plant usually subcespitose. — 

 Nova Scotia: forming dense colonies, sandy and gravelly beach of 

 Cedar Lake, Yarmouth Co., July 11, 1920, Fernald, Bissell, Pease, 

 Long & Under, no. 20,888 (type in Gray Herb.); Cedar Lake, Digby 

 Co., July 25, Fernald, Bean & White, no. 20,889; dryish upper cobbly 

 beach of Jassy Lake, Lake Annis, July 29, Bean, White & hinder, 

 no. 20,891; wet sandy and peaty pockets in cobble-beach of Trefry's 

 Lake, Arcadia, July 29, Fernald & Long, no. 20,892. 



Other material from Trefry's Lake (no. 20,881) and from Clear- 

 water Lake, Belleville (no. 20,890) is transitional to the typical form 

 of the plant with long beard on the lip. Some specimens from New- 

 foundland and the Magdalen Islands are also transitional. For 

 further discussion see pp. 102, 140. 



** Calopogon pulchellus (Sw.) R. Br., forma albiflorus(Britton), 

 n. comb. C. tuberosus, forma albiflorus Britton, Bull. Torr. Bot. 

 CI. xvii. 125 (1890). Yarmouth Co.: a single plant, sandy and 

 peaty margin of Lake Annis. 



For note on generic and specific names see p. 132. 



Spiranthes cernua (L.) Richard. Boggy meadows and clearings 

 and sandy shores, Yarmouth Co. to Halifax Co. 



**S. cernua, var. ochroleuca (Rydb.) Ames. Yarmouth Co.: 

 sandy fields and dry rocky barrens, Pubnico. See p. 107. 



Liparis Loeselii (L.) Richard. Occasional in peaty meadows 

 and peaty and cobbly lake-shores, Yarmouth and Digby Cos. See 

 p. 141. 



Salix cordata Muhl. Not seen in Yarmouth, Shelburne, and 

 Queens Cos., nor in southwestern Digby Co. 



S. pyrifolia Anderss. S. babamlfera Barratt. Swampy thickets 

 throughout the province. 



(To he continued.) 



