372 GEOLOGICAL SURVEY OE CANADA. 



forma salina, Voch ! (It really cornea under P. flabellata, Bab., as a 

 variety, but without fruit, it is impossible to say so.)" {Bennett, 

 Letter, 1890.) In a saline pond north of Kamloops, B.C., June 13th, 

 1889. {Macoun.) 



(2449.) P. pectinatus, Linn. ; Macoun, Cat. IV., 88. 



"Judging by the young fruit this (No. 12) must go to P . pectinatus, 

 Linn., as an aggregate. It comes close to the var. longissimus, Mertens & 

 Koch (1823), which was issued in the Flora Lugrlcte, 1860, as the vai\ 

 longissimus, Weissmann Fl. Petrop." {Bennett Letter, March 3rd, 1 890.) 

 Pond on the Indian Eeservation at Kamloops, B.C., June 26th, 1829. 

 {Macmin.') 



657. RUPPIA. 



(3291.) R. lacustris. 



Stems rigid, firm and woody, forking and producing numerous 

 leaves in bud-like clusters at the nodes and ends of the branches. 

 Leaves sheathing, rigid and straight ; stipules white, membraneous from 

 OQC to two inches long. Fruiting peduncles bright red rising from the 

 centre of the leaf clusters, coiling spirally after flowering. Fruit im- 

 mature. 



A very distinct species, having more the appearance of Potamogeton 

 pectinatus than Buppia maritima. Abundant in a saline pond north of 

 the Ferry at Kamloops, B.C., June 13th, 1889. The pond is one of a 

 series in the bare hills above the trail leading to Traiiquille. {Macoun. y 



665. HELEOCHARIS. 



(246T.) H. ovata, R. Br. ; Gray, Man., ed. VI., 5Y4. 

 H. oUma, Schultes ; Macoun, Cat. IV., 95. 

 Not uncommon in British Columbia. Agassiz. 1889. {Macoun.) 



(2468.) H. palustris, Linn., var. Watsoni, Clarke, Journ. Bot., 

 XXV., 268. (1887.) 



Stated by Mr. Clarke to occur in Newfoundland, Labrador, and sub- 

 arctic America, and to be a very trifling depauperate form or varietj^ 

 with castaueus spike. {Britton.) Hudson Bay. {Burke, fide Britton.) 

 In wet sand, Brackley Point, Prince Edward Island. 1888. {Macoun.) 



