ECOLOGY OF ISLE ROYALE. 241 



240. Anemone multifida Poir. Eed Wind-Flower. Rare. Rock shore 

 of one island in Rock Harbor. 



241. Hepatica hepatica (L) Karst. Round-lobed Hepatica. Woods: 

 not abundant. 



242. Ranunculus abwtivus L. Kidney-leaved Crowfoot. Scattered as 

 a ruderal. II, 1, and on Washington Club grounds. 



243. Ranunculus ovalis Raf. Thin soil on rock islands. Upper end 

 of Rock Harboi', III, 1; also near Siskowit cabin (V, 1). 



244. Ranunctdus macounii Britton. Macoun's Buttercup. Rare, one 

 locality, near Siskowit cabin (V, 1). 



245. Thalictrum purpurascens L. Tall Purple Rue. Moist, rich 

 woods near Benson Brook (II, 1), and along Washington Creek. 



Papaveraceoe— Poppy Family. 



246. Capnoides sempcrvirens (L) Borck. Pink Corydalis. Rocky, ex- 

 posed places along the Greenstone. II, 3. 



Cruciferae — Mustard Family. 



247. Thlaspi arvense L. Field Penny Cress. Washington Club 

 grounds. Only locality. Ruderal. 



248. Sisymbrium altissium L. Tall Sisymbrium. Washington Club 

 grounds: wasteplaces. I, '04. Ruderal. 



249. Arahis hrachycarpa (T. & G.) Britton. Purple Rock Cress. Ex- 

 posed rocks. Greenstone Ridge along the McCargo Cove trail. II, 3. 



Sarraceniaceae — Pitcher Plant Family. 



250. Sarracenia purpurea L. Pitcher Plant. Common in bog areas 

 everywhere on island. I, 6; II, 2; II, 5; V, 5; V, 11. 



Droseraceae — Sundew Family. 



251. Drosera rotundifolia L. Round-leaved Drosera. Common along 

 wet bog margins, especially HI, 5. 



252. Drosera intermedia Hayne. Spatulate-leaved Sundew. Bog mar- 

 gins, but generally in wetter parts than the preceding; often elevated 

 on a short stem extension. Ill, 5. 



253. Drosera linearis Goldie. Slender-leaved Drosera. Bog margins; 

 fairly abundant. Ill, 5. 



Sawifragaceae — Saxifrage Family. 



254. Saxifraga tricuspidata Retz. Three-toothed Saxifrage. Fairly 

 common as a crevice plant along the low rock shore. L, 1. 



255. Saxifraga aisoon Jacq. Livelong Saxifrage. A rock shore crev- 

 ice plant. Rare. V, 2. 



256. Saxifraga nivalis L. Clustered Alpine Saxifrage. Exposed rock 

 shores, growing on scanty soil. I, 1; V. 2. 



257. Mitella nuda L. Naked, or Low Mitrewort. Very common in 

 moist woods. I, 3. Woods at end of Rock Harbor and on forested 

 islands. i 



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