xviii Illustrations 



FACING PAGE 



33 Draba glacialis Adams Whitlow-Grass 114 



33 Draba aurea Vahl. Golden Whitlow- 



Grass . . . . .114 



34 Parnassia montanensis Rydb. & Fern. 



Marsh Grass of Parnassus . .126 



34 Ribes lacustre (Pers.) Poir. Swamp 



Gooseberry . . . . .126 



3 5 Mitella nuda L . Naked Bishop' s-Cap. 132 



35 Pectiantia pentandra (Hook.) Rydb. 



Mitrewort . . . . . 132 



36 Saxifraga cernua L. Nodding Saxi- 



frage . . 136 



36 Saxifraga rival aris L. Alpine Brook 



Saxifrage . . .. . i . 136 



37 Micranthes Nelsoniana (D. Don.) 



Small. Nelson's Saxifrage . i . 140 



37 Micranthes Lyallii (Engler) Small. 



LyalVs Saxifrage . . . .140 



38 Muscaria caespitosa (L.) Haw. 



Tufted Saxifrage . . . ^.138 



38 Micranthes rhomboidea (Greene) 



Small. Mountain Saxifrage . 138 



39 Spatularia Brunoniana(Bong.) Small. 



Sail Saxifrage . . . .142 



39 Leptasea austromontana (Wiegand), 



Small. Common Saxifrage . .142 



