gATALOGUE OP CANADIAN PLANTS. 293 



Vav. •? 



Abundant in Sproat Lake and Somas Eiver at Alberni, west side of 

 Vancouver Island, Aug., 1887. (Maeoun.) 



(3047.) I. Tuckermani, A. Braun. 



In water at the outlet of Potter's Lake, North Sydncj', Cape Breton. 

 {Macoun & Burgess.) 



(3048.) I. Bolanderi, Engelm. 



Abundant in a marshj pond on the Indian Eeservation at Kaniloops, 

 B.C. It was partly in and partly out of water. This is considered 

 slightly different from true J. Bolanderi by Prof. Underwood. Quite 

 common in Shushwap Lake at Sicamous, B.C. (Macoun.) 



(3049.) I. riparia, Engelm. Var. Canadensis, Engelm, 



In Crow Eiver. immediately above the dam at Marmoi-a Iron Works, 

 Hastings Co. ; also in Gull Eiver at the head of Mud-turtle Lake, 

 Victoria Co., Ont. (Macoun.) 



(3050.) I. Nuttallii, A. Braun. in herb. 



Very common on rocky springy ground near the Half-way House 

 between Nanaimo and Wellington Mine, Vancouver Island, June 1887. 

 (Macoun.) 



(3051.) I. maritima, Underwood, Bot. Gaz. XIII. 94. N. Sp. 



" Amphibious or mostlj' terrestrial ; root-stock small, only slightly 

 bilobed ; leaves 8-15, rigid, green, 2-5 cm. long, 15 mm. wide, with 

 abundant stomata ; sporangia oval 4 mm. long, 2'5 mm. wide, brownish 

 white, covered one-third to one-half by the velum ; ligule small incon- 

 spicuous ; macrospores 0.42 — 0.48 mm. thick, densely spinulo.se, the 

 spines somewhat blunt, but rarely confluent ; microspores white, 

 smooth, 0.032—0.035 mm. thick." 



Salt marshes, Alberni Canal below Alberni, Vancouver Island, Aug. 

 1887. (Macoun.) 



CXXIV. MAESILIACE.E. 



763. MARSILIA, Linn. 



(3052.) M. vestita, Hook. & Grev. 



Abundant on desiccated ground at the north end of the Cypress 

 Hills, Alberta; also on sandy soil, covered occasionally with water, on 

 the Indian Eeservation at Kamloops, B.C. (Macoun.) 



