580 



nfOEX. 



ECPHOBBIA. 



Euphorbia jacquineaflora, nycti- 

 tioijio movement of leaves, 388 



F. 



Flail ault, M., on the rupture of 

 seed-coats, 102-104, 106 



Flower- stems, circumnutatiim of, 

 2-J3-226 



Fragaria Bosaeea, clroumnutation 

 of stolon, 214-218 



Frank, Dr. A. B., Ihe terms Helio- 

 tropism and Geotropism, first 

 used by him, 5, n. ; radicles acted- 

 on by geotropism, 70. n.; on the 

 stolons of Fragaria, 215; periodic 

 and uyotitropic raoyements of 

 leaves, 284 ; on the root-leaves 

 of plants kept in d;irkness, 44.S ; 

 on pulvini, 485 ; on natural 

 selection in connection with 

 geotiopism, heliotropism, &o., 

 570 



, on TrBnBversal-Heliotropis- 



mus, 419 



Fuohsia, oireumnutation of stem, 

 205, 206 



e. 



Oazania ringens, oireumnutation 

 of stem, 208 



Genera containing sleeping plants, 

 320, 321 



Geotropism, 5 ; effect of, on the 

 primary radicle, 196 ; the reverse 

 of apngeotropism, 512 ; effect on 

 tlio tips of radicles, 548 



Geranium cinereum, 304 



Endressli, 304 



Ibericum, nocturnal movement 



of cotyledons, 298 



—^ Bicliardsoni, 304 



. rotundifoliuin, nocturnal move- 

 ment of cotyledon, 304, 312 



subcaulescens, 304 



Germinating seed, history of a, 

 548 



GYMNCWEKMB. 



GUhago segetum, oireumnutation ol 



hypocotyl, 21, 108 



, burying of liypocotyl, 109 



, seedlings feebly illuminated, 



124, 128 



, sleep of cotyledon, 302 



, leaves, 321 



Glaueium lutevm, oireumnutation 



of young leaves, 228 

 Oleditsehia, sleep of leaves 3G8 

 Glycine hispida, vertical sinking of 



1 aflets, 3G6 

 Glycyrrhiza, leaflets depressed at 



night, 355 

 Godlewskl, Emil, on the turge- 



scenoe of the cells, 485 

 Gooseberry, effect of radiation, 284 

 Goasypium (var. Nankin cotton), 



oireumnutation of hypocotyl, 



22 



, movement of cotyledon, 22, 23 



, sleep of leaves, 324 



arboreum (?), sleep of ootyle^ 



dons, 303 

 Braziliense, nocturnal move- 

 ment of leaves, 324 

 , sleep of cotyledons, 303 



herbaceum, sensitiveness of 



apex of radicle, 168 



, radicles cauterised trans- 

 versely, 537 



maritimum, nocturnal move- 

 ment of leaves, 324 



Gravitation, movements excited by, 

 567 



Gray, Asa, on Delphinium nudi- 

 caule, 80; on Megarrhiza Cali- 

 fornica, 81 ; on the movements in 

 the fruiting fronis ot Asplenium 

 trichomanes, 257 ; on the Amphi- 

 carpcea monoica, 520 ; on the 

 Ipomoea Jalappa, 557 



Grease, effect of, on radicles and 

 their tips, 182, 185 



Gressner, Dr. H., on the cotyledons 

 of Cyclamen Persicum, 46, 77 ' 

 on hypocotyl of the same, 96 



Gymnosperms, 389 



