580 



mDEX. 



EUPHOKBIA. 



Euphorbia jctcguineivflora, nycti- 

 tropie movement of leaves, 38S 



Flaliault, M., on the rupture of 

 seed-coats, 102-104, 106 



Flower- stems, circumButation of, 

 223-226 



Fragaria Rosacea, circnmnutation 

 of stolon, 214-218 



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

 tropisra and Geotropiem, iiist 

 used by him, 5, n. ; radicles acted 

 on by geotropism, 70, n. ; on tl}0 

 stolons of Fragaria, 215; periodic 

 and nyctitropio movements of 

 leaves, 284 ; on the root-leaves 

 of plants kept in ditrkness, 443 ; 

 on pulvini, 485 ; on natural 

 selection in oonnectim with 

 geotiopism, heliotropism, &c., 

 570 



, on Transversal-Heliotropis- 



mus, 419 



Fuchsia, circnmnutation of stem, 

 205, 206 



Gazania ringens, cueumnutation 

 of stem, 208 



Genera containing sleeping plants, 

 320, 321 



Geotropism, 5 ; effect of, on the 

 primary radicle, 196 ; the reverse 

 of apogeotropism, 512 : effect on 

 tlie tips of radicles, 543 



Geranium cinereum, 304 



Endressii, 304 



Ibericum, nocturnal movement 



of .lotyledona, 298 



Richardsoni, 304 



roteiidt/oKum, nocturnal move- 

 ment of cotyledon, 304, 312 



mbcaidescens, 304 



Germinating seed, history of a, 

 548 



GTMN0SPEKM8. 



Githago segeium, ch'omnnutation ol 



hypocotyl, 21, 108 



, burying of hypocotyl, 1 09 



, seedlings feebly illuminated, 



124, 128 



, sleep of cotyledon, 302 



, leaves, 321 



Glaucium luteum, circumnutation 



of young leaves, 228 

 Gleditschia, sleep of leaves. 368 

 Glycine hispida, vertical sinking of 



l.aflets, 366 

 Glycyrrhiza, leaflets depressed at 



night, 355 

 Godlewskl, Emil, on the turge- 



scence of the cells, 485 

 Gooseberry, effect of radiation, 284 

 Gossypium (var. Nankin cotton), 



circumnutation of hypocotyl, 



22 



, movement of cotyledon, 22, 23 



, sleep of leaves, 324 



arboreum (?), sleep of cotyla 



dons, 303 

 Braziliense, nocturnal move- 

 ment of leaves, 324 

 , sleep of cotyledons, 303 



herbaoeum, 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 fronls of Asplenium 

 trichoiiianes, 257 ; on the Amphi- 

 carpoea mnnoica, 520 ; on the 

 Ipomcea Jalappa, 557 



Grease, effect of, on radicles and 

 their tips, 182, 185 



Gressner, 0r. H., on the cotyledon i 

 of Cyclamen Persicum, 46, 77 ' 

 on hypocotyl of the same, 96 



Gymnosperms, 389 



