1922] Fernald, — Notes on the Flora of Nova Scotia 207 



Leaves linear- to lance-oblong, with 12-24 pairs of 



fine teeth scarcely 1 mm. high Var. Integra. 



I. raves conspicuously narrowed at base, elliptic-lanceo- 

 late Var. elliptica. 



Leaves mostly blunt or round-tipped; the primary ones 

 entire or with 1-6 pairs of remote teeth: bracts of 

 outer involucre oblong to spatulate, with obtuse or 



nmndcd tips ._ Var. oligodonta. 



Stem capillary, simple or only slightly forking, 0.2-2 dm. 

 high: leaves petioled, oblanceolate or spatulate, thin, 

 0. I 2.5 i rarely -4) cm. long: heads solitary or very few, 

 campanulate, fe\v-t!o\vered, with disks 1.5-10 mm. 

 broad, scarcely nodding in fruit: outer involucre of 2-6 

 bracts; inner involucre of 3-6 bracts 2-7 mm. long Var. minima. 



B. CERNUA (typical). Sloughs, springs, pools and wet shores, ex- 

 tending northeastward to Chicoutirni, Rimouski and Bonaventure 

 ( u ., Quebec, Madgalen Islands and Cape Breton, Nova Scotia; 

 Eurasia. 



In Nova Scotia unknown from west of Annapolis and Lunenburg 

 ( Jos. 



**Var. Integra Wiegand, Bull. Torr. Bot. CI. xxvi. 4 IS (1X99).— 

 Prince Edward Island; Cape Cod, Massachusetts; Illinois to 

 western North Carolina, Oklahoma and South Dakota. 



Var. elliptica Wiegand 1. c. 417 (1899). B. elliptica (Wiegand) 

 Gleason, Ohio Nat. v. 317 (1905). — Extending northeastward to the 

 Ottawa Valley, Ontario and Quebec, and Prince Edward Island. 



Var. oligodonta Eernald & St. John, Rhodora, xvii. 25 (1915). — 

 Brackish or saline shores, Magdalen Islands, Prince Edward 

 Island and Massachusetts locally inland to western New York. 



**Var. minima (Huds.) DC. Prodr. v. 595 (1836). B. minima 

 Huds. Fl. Angl. 310 (1762). — Bogs and shallow pools, Magdalen 

 Islands to southern New Hampshire and western New York and 

 northwestward ; Europe. 



Our only Nova Scotian collection is from Lunenburg Co.: boggy 

 margins of shallow pools, out'et of Hebb's Lake, Bridgewater 



*B. connata Muhl. ; Fernald, Rhodora, x. 200 (1908). Lunenburg 

 Co.: wet thickets and swales back of brackish shore of Lahave 

 River, Bridgewater first station east of southern Maine. Earlier 

 records belong to var. petiolata (Nutt.) Farwell. 



B. erondosa L., var. anomala Porter. Yarmouth Co.: in 

 Zostera litter, gravelly sea-beach, Yarmouth Bar; margin of thicket 

 bordering cobbly beach of Parr Lake; the latter station unusual in 

 being on a fresh-water lake, the variety usually occurring in brackish 

 habitats. 



*Megalodonta Beckii (Torr.) Greene. Bidens Beckii Torr. 

 Digby Co.: deadwater of Rocky Brook north of Hasset; first station 

 east of the Penobscot. 



Chrysanthemum Leucanthemum L. The typical form of the species 

 is apparently common at Annapolis Royal and Granville, and pre- 



