582 



INDEX, 



Ipomcea pandurata, nanner of ger- 

 mination, 81, 557 



purpurea (vel Fharhitis his- 



pida), nocturnal movement of 

 cotyledons, 305, 312 



— , sleep of leaves, 386 



, sensitiveness to light, 451 



, the hypocotyledonous stems 



heliotropic, 453 

 Iris pseuilo-acorus, circumnutation 



of leaves, 253 

 Irmiach, on cotyledons of Banun- 



culus Fiearia, 96 

 Ivy, its stems heliotropic, 451 



Kemer on the bending down of pe- 

 duncles, 414 



K.liuostat, the, an instrument de- 

 vised by Sachs to eliminate geo- 

 tropism, 93 



Kraua, Dr. Carl, on the underground 

 shoots of Triticitm repens, 189; 

 on Cannabis sativa, 250, 307, 

 312 ; on the movements of leaves, 

 318 



I, 



Laetuca scariola, sleep of cotyle- 

 dons, 305 



Lagenaria vulgaris, circumnutation 



of seedlings, 42 

 ^ , of cotyledons, 43 



, cotyledons vertical at night, 



304 



Lathrxa squamaria, mode of 

 breaking through the ground, 

 85 



, quantity of water secreted, 



85, 86, n. 



I.athyrus nissolia, circumnuta- 

 tion of stem of young seedling, 

 33 



, ellipses described by, 107, 



108 



Leaves, circumnutation of. 226- 



262; dicotyledons, 226-252 ; mo 

 nocotyledons, 252-257 ; nyotitro- 

 pisra of, 280 ; their temperature af- 

 fected liy their position at night, 

 294 ; nyotitropic or sleep move- 

 ments, 315, 394 ; periodicity of 

 their movements inherited. 407; 

 embryology of, 414 ; s.j-called 

 diurnal sleep, 445 



Legv/minosse, sleep of cotyledons, 

 308 ; sleeping species, 340 



Le Maout and Decaisne, 67 



Lepidlum sativum, sleep of cotyle- 

 dons, 302 



Light, movements excited by 418, 

 563 r influence on most vegetable 

 tissues, 486 ; acts on plant as on 

 the nervous system of animals, 

 487 



Lilium auratum, circumnutation of 

 stem, 212 



, apogeotropio movement of 



stem, 498, 499 



Linnaeus, ' Somnus Plantarum,' 

 280 ; on plants sleeping, 320 ; 

 on the leaves of Sida abutilon, 

 324; on CEnothera mollisslma, 

 383 



Linum Berendieri, nocturnal move- 

 ment of eotyleiions, 298 



usitatissimum, oireumnntation 



of stem, 203 



LoUum perenne, joints affected by 

 apogeotropisin, 502 



Lonicera brachypoda, hooking of tho 

 tip, 272 



, sens'tivencss to light, 453 



Loomis, Mr., on the movements in 

 the fruiting fromls of Asplenium 

 trichomanes, 257 



Lohts aristata, effect of radiation 

 on leaves, 292 



Creticus, leaves a\vake ard 



asleep, 354 



Gehelii, nocturnal movement 



of cotyledons, 308 



, leaflets provided with pulvini, 



353 

 Jaeobssus, movements of coty 



ledons, 35, 109 

 , pulvini of, 115 



