582 



INDEX. 



Ipom&a pandurata, manner of ger- 

 mination, 84, 557 



purpurea (vel Pharbitis his- 



pida), nocturnal movement of 

 cotyledons, 305, 312 

 , sleep of leaves, 3G 



, sensitiveness to light, 451 



, the hypocotyledonous stems 



heliotropie, 453 



Iris pseudo-aeorus, circumnutation 

 of leaves, 253 



Irmisch, on cotyledons of llanun- 

 culus Ficaria, 9(5 



Ivy, its steins heliotropic, 451 



Kemer on the bending down of pe- 

 duncles, 414 



Klinostat, the, an instrument de- 

 vised by Sachs to eliminate geo- 

 tropism, 93 



Kraus, Dr. Carl, on the underground 

 shoots of Triticum repens, 189; 

 on Cannabis sativa, 250, 307, 

 312 ; on the movements of leaves, 

 318 



Lactuca scariola, sleep of cotyle- 

 dons, 305 

 Lagenaria vulgaris, circumnutation 



of seedlings, 42 



, of cotyledons, 43 



, cotyledons vertical at night, 



^ 304 



Lathrtea squamaria, mode of 



breaking through the ground, 



85 

 , quantity of waler secreted, 



85, 86, n. 

 I.aihyrus nissolia, circumnuta- 



tiou of stem of young seedling, 



33 

 , ellipses described by, 107, 



108 

 Leaves, circumnutation of. 226- 



262; dicotyledons, 226-2f>2 ; mo 

 noeotyledons, 252-257; nyctitro- 

 pism of. 28: ; their temperature af- 

 fected by their position at night, 

 294 ; nycti tropic or sleep move- 

 ments, 315, 394; periodicity of 

 their movements inherited. 407; 

 embryology of, 414 ; so-called 

 diurnal sleep, 445 



Leguminosx, sleep of cotyledons, 

 308 ; sleeping species, 340 



Le Maout and Decaisne, 67 



Lepidium sativum, sleep of cotyle- 

 dons, 302 



Light, movements excited by 418, 

 563; influence on most vegetable 

 tissues, 486 ; acts on plant ns on 

 the nervous system of animals, 

 487 



Lilium auratum, circumnutation of 

 stem, 212 



, apogeotropic movement of 



stem, 408, 40:) 



LinnaBUs, 'Somniw Plantnrum,' 

 280 ; on plants sleeping, 320 ; 

 on the leaves of Sida ahnlilon, 

 324; oh (Enothera mollissima. 

 383 



Linum Berendieri, nocturnal move- 

 ment of cotyledons, 298 



usitatissimwn, circumnutation 



of stem, 203 



Lolium perenne, joints affecte'l by 

 ajx)geotropis:n, 502 



Lonicerabraclnjjjoda, luxiking of the 

 tip, 272 



, sensitiveness to light. 453 



Loomis, Mr., on the movements in 

 the fruiting fronils of Asplcniwn 

 tricliomanes, 257 



Lotus aristata, effect of radiaticn 

 on leaves, 292 



Creticus, loaves awake and 



asleep, 354 



Gebelii, nocturnal movement 



of cotyledons, 308 



, leaflets provided with pulvini, 



353 

 Jacobxus, movements of coty 



ledons, 3;% 100 

 , pulvini of, 115 



