LIST OF ILLUSTRATIONS. 



Enipetriini nigrum 

 Euphorbia portla7idica 



Fig, Section of 

 Filago canescens 

 Filago spathulata . 

 Flower of Vine 

 Fool's Parsley, Umbel of 

 Fossil Fungus 

 Frog's-mouth, Flower of 

 Fungus on Leaf . 



Garlic . 



Geratiiwn Robertiamnn 

 Glumes of Wall Barley 

 Gooseberry Leaves and 



Scales 

 Grass of Parnassus 

 Grass Pea 



Herb-Robert 

 Hordeum murimtm 



/uncus bufonius 



Lamium album 

 Lathraa squamaria 

 Lathyrus aphaca . 

 Lathyrus nissolia . 

 Leaf of Pea . 

 Loranthus europcEus 

 Lythruvi salicaria . 



PAGE 



97 



20I 

 lOO 



147 



33 

 166 



253 



87 



255 



187 

 148 

 132 



182 



284 

 204 



148 

 131 



209 



86 



251 



52 

 204 



55 

 242 



80 



Meftya?ithes trifoliata . 146 



Mercurialis atmua . 64 



Mistletoe, Flower of . 238 



Mistletoe, Fruit and Seed 240 



Mistletoe, Sections of . 239 



Nepenthes . . .276 



Orchid, Flower of . . 87 



Orchid, Ladies' Tresses . 90 



Orchid, Pollinia of, . 88 



Orchid, Section of. . 88 



Orchis militaris . . 89 



Orchis purpurea . . 89 

 Orchis simia . . .89 



Orobanche rapuvi . . 250 



Oxalis acetosella . . 125 



Ox-eye Daisy . . 169 



Parietaria officinalis . 65 



Parnassia palustris . 284 



Pellitory of the Wall, The 6 5 



Pistil of Flower, magnified 3 6 

 Pistil of Flower showing 



Pollen-tubes . . 27 



Pistillate Flowers of Oak 72 



Pitcher-plant. . . 276 



Pollen-grains, magnified . 3 5 



Portland Spurge, The . 201 



Primrose, Fertilisation of 79 



Primrose, Pin Centre . 78 



