CONTENTS. 



Page. 



Introduction 9 



Gill fungi ( Agaricaceae) 11 



Deadly amanitas (Amanita) 11 



Fly amanita (Amanita muscaria) (illustrated) . . 12 



Death cup (Amanita phalloides) (illustrated).. 14 



Bunch-flower family (Melanthaceae) 16 



American false hellebore ( Veratrum viride) (illustrated) . . 16 



Lily of the valley family (Convallariaceae) 18 



Lily of the valley ( Convallaria majalis) (illustrated) . . 18 



Orchid family (Orchidaceae) 19 



Lady's slipper (Cypripedium) 19 



Showy lady's slipper ( Cypripedium reginae) (illustrated) . . 19 



Larger yellow lady's slipper (Cypripedium hirsutum) . . .(illustrated).. 20 



Smaller yellow lady's slipper ( Cypripedium parviflorum) 20 



Pink family ( Alsinaceae) 21 



Corn cockle (Agrostemma githago) (illustrated) . . 21 



Crowfoot family (Ranunculaceae) 22 



Aconite (Aconitum columbianum) (illustrated) . . 22 



Larkspur (Delphinium) 23 



Dwarf larkspur (Delphinium tricorne) (illustrated) . . 24 



Larkspur (Delphinium geyeri) 24 



Larkspur (Delphinium menziesii) 25 



Larkspur (Delphinium recurvatum) ■ 25 



Larkspur ( Delphinium trolliifolium) 25 



Plum family (Prunaceae) 26 



Black cherry ( Prunus serotina) (illustrated) . . 26 



Senna family (Caesalpiniaceae) 28 



Kentucky coffee tree (Gymnocladus dioica) (illustrated) . . 28 



Pea family (Papilionaceae) 29 



Woolly loco weed (Astragalus mollissimus) (illustrated) . . 29 



Stemless loco weed (Aragallus lambertii) (illustrated).. 30 



Rattlebox (Crotalaria sagitialis) t (illustrated).. 31 



Spurge family (Euphorbiaceae) 32 



Spurge (Euphorbia) 32 



Caper spurge (Euphorbia lathyris) (illustrated) . . 33 



Snow on the mountain (Euphorbia marginata) (illustrated) . . 34 



Sumac family ( Anacardiaceae) 35 



Poison ivy, poison oak, poison sumac (Rhus) 35 



Poison ivy (Rhus radicans) (illustrated) . . 35 



Poison oak (Rhus diversiloba) (illustrated) . . -36 



Poison sumac (Rhus vernix) (illustrated) . . 36 



Buckeye family (Sapindaceae) 39 



Red buckeye (Aesculus pavia) (illustrated) . . 39 



