Illustrations 



I'LATE FACING PAGE 



55 Cornus canadensis intermedia Farr. 



Bunch-Berry ', - ... ; ^*; "... 204 



56 Pyrola asarifolia Michx. Liver -Leaf 



Wintergreen . . ., . . 208 



56 Pyrola uliginosa Torr. Bog Winter- 



green . . --,.; . . . .. 208 



56 Moneses uniflora (L.) A. Gray. One- 



Flowered Wintergreen . .. . 208 



57 Chimaphila umbellata (L.) Nutt. 



Prince's Pine . ... . .210 



57 Arctostaphylos uva-ursi (L.) Spreng. 



Bear-Berry . . . . .210 



58 Oxycoccus oxy coccus (L.) MacM. 



Small Cranberry . .-, . . 212 



58 Gaultheria ovatifolia A. Gray. Ovate- 



Leaved-Winter green . . , . 212 



58 Vitis-idaea Vitis-idaea (L.) Britton. 



Mountain Cranberry . . .212 



59 Cassiope Mertensiana (Bong.) Don. 



White Heath . . . .216 



59 Phyllodoce empetriformis (Smith) 



Don. Red False-Heather . .216 



59 Phyllodoce glanduliflora (Hook.) 



Rydb. White False-Heather ^ 216 



60 Ledum groenlandicum QEder. Labra- 



dor Tea 218 



