320 MINNESOTA BOTANICAL STUDIES 



Notes 



Table I : D. Plants occurring only in one or two localities and 

 often under peculiar conditions. 



Occurrence on 



north moraine Notes 



Achillea millefolium L. var. — No specimen collected, pos- 



lanulosa (Nutt.) Piper. sibly A. borealis 



Adiantum pedatum L. var. aleuticum — One clump under a boulder 



Rupr. of talcose schist 



Aquilegia formosa Fisch. — 



Cassiope mertensiana (Bong.) A"| A few plants close to the 



G. Don. [- bottom of the inner slope 



Cassiope tetragona (L.) D. Don. J of the old moraine 



Cystopteris montana (L.) Bernh. — On a brown boulder 



Oxyria digyna (L.) Hill. A Two plants under a brown 



(talcose?) boulder 



Polystichum lonchitis (L.) Roth. C 



Pyrola sp. — Not in flower 



Sibbaldia procumbens L. A 



Taraxacum eriophorum Rydb. — 



Valeriana sitchensis Bong. — 



II. TABLES SHOWING THE ABUNDANCE OF SPECIES ON THE NORTH 

 (granitic) MORAINES 



Table II : A. The most abundant plants arranged approxi- 

 mately in the order of their abundance. 



Occurrence on 



south moraine Notes 



Trees 



Abies lasiocarpa (Hook.) Nutt. A 



Herbs and shrubs 



Oxyria digyna (L.) Hill D 



Sibbaldia procumbens L. D 



Gaultheria humifusa (Graham) 



Rydb. — 



