Francis E. Lloyd 



XIV 



Carnivorous Plants 



Chapter Xlla: DIONAEA 



General description i77 



Discovery by DoBBS ■ ■ • 178 



Original description by Ellis .... 179 



Diderot 179 



Later work 180 



Curtis, Oudemans, Canby .... 180 



C. Darwin, Goebel 180 



Seed, seedling 181 



Leaf 182 



Trap 182 



Cma 182 



Lobes, posture of 183 



Trichomes (steUate) 183 



Glands (digestive, alluring) .... 183 



Closure of trap 184 



Sensitive hairs 184 



Internal structure of trap 185 



Physiology 186 



Stimulus 186 



Perception, localisation of 187 



Mechanism of closure 188 



ZlEGENSPECK, C. DaRWIN . . . l88 



MuNK, Batalin 189 



Brown, Macfarlane 190 



Von Guttenberg 191 



Ashida 192 



Haberlandt 193 



Digestion; absorption 194 



Literature 210 



Chapter Xllb: ALDROVANDA 



General description 194 



Discovery 195 



Distribution 195 



Leaf 19s 



Seed, seedling 19S 



Mature leaf 196 



Bristles 196 



Petiole 196 



Trap, posture of 197 



Development 197 



Terminology (Ashida) 197 



Structure 197 



Trichomes, glands 199 



Sensitive hairs 200 



Mechanics of trap movement . . . 201 



Locus of bending 201 



Dionaea, comparison with .... 202 



Recapitulation 204 



Stimuli, responses to 205 



Electrical 205 



Temperature effects on 206 



Chemical 206 



Sugar, glycerin 206 



Neutral salts, acids, alkalis . . . 207 



Other organic substances .... 208 



Formalin, ether, ethyl alcohol . . 208 



Chloroform 208 



Ethyl alcohol, chloroform .... 208 



Digestion; absorption 208 



Vesicles, interpretations of 209 



Culture 209 



Literature 210 



Chapter XIII: UTRICULARIA, BIOVULARIA and 

 POLYPOMPHOLYX 



Form of plant 213 



Traps, variety of 214 



Prey 214 



Flowers 214 



Distribution 215 



Embryology 216 



Seed 216 



Embryo 217 



Germination 217 



Ulriciilaria capensis, etc 217 



Uiricularia vulgaris, etc 218 



Utricidaria purpurea 219 



Types of Utricidaria 219 



Utricidaria vulgaris type 219 



Freely floating 220 



Floats 221 



Rhizoids 221 



Foliar dimorphism 222 



Dwarf shoots 222 



Branching; inflorescence .... 222 



Anchored forms 224 



Terrestrial forms 226 



Epiphj'tic forms 226 



Biovularia type. 227 



Utricidaria purpurea type 228 



Utricidaria dichotoma type 229 



Freely floating 229 



Anchored 230 



Other types, according to trap struc- 

 ture :- 



Utricidaria cornuta 231 



Utricidaria caeridea 231 



Utricidaria rosea, Warhurgii .... 231 



Utricidaria orbiculata, etc 232 



Utricidaria simplex, etc 232 



Utricidaria globulariaefolia .... 232 



Utricidaria Kirkii 232 



Utricidaria nana 232 



Utricidaria Lloydii 232 



Literature 267 



