582 



INDEX. 



JpoTOflsa pandurata, iranner of ger- 

 iiiiiiafion, 84, 5.57 



purpurea (vel Pharhitis his- 



pida), nocturnal movement of 

 cotyledons, 305, 312 



— , sleep of leaves, 386 

 , sensitiveness to light, 451 



■ , the hypocotyledonous stems 



heliotropic, 453 

 Iris psemJo-aoorus, circumnutation 



of leaves, 253 

 Irmisch, on cotyledons of Banun- 



cuius Ficaria, 96 

 Ivy, its stems heliotropic, 451 



Kerner on the bending down of pe- 

 duncles, 414 



Klinostat, the, an instrument de- 

 vised by Sachs to eliminate geo- 

 tropism, 93 



Kraus, Dr. Car], on the underground 

 shoots of Triticum repens, 189 ; 

 on Cannabis sativa, 250, 307, 

 312 ; on the movements of leaves, 

 318 



L. 



Lactuca scariola, sleep of cotyle- 

 dons, 305 



Lagenaria vulgaris, circumnutation 

 of seedlings, 42 



, of cotyledons, 43 



, cotyledons vertical at night, 



304 



Lathriea squamaria, mode of 

 breaking through the ground, 

 85 



, quantity of water secreted, 



85, 86, n. 



T 'ithyrus 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; nyctitro- 

 pism of, 280 ; their temperature af- 

 fected by their position at night, 

 294 ; nyctitropio or sleep move- 

 ments, 315, 394 ; periodicity of 

 their movements inherited, 407; 

 embryology of, 414; su-called 

 diurnal sleep, 445 



Leguminosse, sleep of cotyledons, 

 808 ; sleeping species, 340 



Le Maout and Deeaisne, 67 



Lepidium sativum, sleep of cotyle- 

 dons, 302 



Light, movements excited by> 418, 

 563 ; 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 



Linnseus, ' Somnus Plantarum, ' 

 280; on plants sleeping, 320; 

 on the leaves of Sida abutilon, 

 324; on (Enothera molUssima, 

 383 



lAnum Beretidieri, nocturnal move- 

 ment of cotyledons, 298 



usitatissimum, circumnutation 



of stem, 203 



Lolium perenne, joints afifeoted by 

 apogeotropism, 502 



Lonicera brachypoda, hooking of the 

 tip, 272 



, sensitiveness to light. 453 



Loomis, Mr., on tlie movements in 

 the fruiting fromls of Asplenivm 

 triehomanes, 257 



Lotus aristata, etfect of radiatif.n 

 on leaves, 292 



Creticus, leaves awake and 



asleep, 354 



Gebelii, nocliirnal movement 



of cotyledons, 308 



, leaflets provided with pulvini, 



353 

 Jacobieus, movements of eoty 



ledons, 35, 109 

 , pulvini of, 115 



