CONTENTS. 
INTRODUCTION, 
History, 
Geographic ieomiente 
Economic Value, 
MorpHoLoey, — 
Organs of V susan 
Flower-axis, 
Floral Envelopes, 
Stanaen sees 
Pistils and Fruit, 
RELATIONSHIPS OF THE TRIBE, 
LIMITATION OF GENERA, 
LIMITATION OF SPECIES, 
Kry To THE GENERA, 
PoTENTILLA, 
HorKELIA, 
STELLARIOPSIS, 
CoMARELLA, 
ARGENTINA, 
CoMARUM, 
DUCHESNEA, 
FRAGARIA, 
SIBBALDIA, 
SIBBALDIOPSIS, 
DAsIPHORA, 
DRYMOCALLIS, 
CHAMAERHODOS, 
ADDITIONS AND Ga onEEONS 
TABLE OF GEOGRAPHIC DISTRIBUTION, 
InDEX TO THE TEXT, 
INDEX TO THE PLATES, 
ExpiaNation oF Puate I., 
Puares, 1-112. 
