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FOREWORD

KEY TO PLANTS ILLUSTRATED ON TIME CHART

Field Book PENNSYLVANIAN PLANT FOSSILS OF ILLINOIS

PENNSYLVANIAN FLORA

SCALE AND SEAL TREES ()

SCOURING RUSHES ()

SPHENOPHYLLUM ()

FERNS (Plates and)

SEED FERNS (Plate 4)

CORDAITES (Plates and)

FRUITING BODIES ()

COLLECTING AREAS FOR PENNSYLVANIAN PLANTS Northern Illinois

Mazon Creek Area

Bureau County

Knox County

Mercer and Warren Counties

Fulton County

McDonough County

Vermilion County

Other Northern Illinois Localities

Southern Illinois

Lawrence County

Saline, Pope, and Johnson Counties

Perry and Jackson Counties

Other Southern Illinois Localities

SUGGESTIONS FOR COLLECTING PENNSYLVANIAN PLANTS

Where to Look for Plant Fossils

Collecting Equipment

Rules of Courtesy

Handling Specimens

EDUCATIONAL EXTENSION PROGRAM