OCR Text |
Show 588 INDEX. QUERCUS. Que1·cus vi1·ens, manner of germination, 85, 557 R. Radiation at night, effect of, on leave:;, 284-286 Radicles, manner in which tboy penetrate the ground, 69-77; circumnutation of~ 69; experiments with split sticks, 74 ; with wooden pincers, 75; sensitiveness of apex to contact and other irritftnts, 129; of Vicia faba, 132- 15 ; various experiments, 135- 140; summary of results, 143-151; power of nn irritant on, compared with geotropism, 151-154; sensitiveness of tip to moist air, 180 ; with greased tips, 185; effect of killing or injuring the primary radicle, 187-191; curvature of: 193; afieoted by moistme, 198; tip alone sensitive to geotropism, 540 ; protrusion and circumnutation in fl. germinating seed, 548; tip highly sensitive, 550; the tip acts like the brain of ono of the lower animals, 573 --, secondnry, sensitiveness of the tips in the bean, J 54: ; become vertically geotropic, 186-191 Ramey on the movements of the cotyledons of Mimosa puclica, and Olianthus Dampieri at night, 297 Ranunculus Ficaria, mode of breaking through the gruund, 86,90 --,single cotyledon, 96 --, effect of lateral light, 484 Raphanus sativa, sensiti vencss of apex of ro.dicle, 171 --, sleep of cotyledons, 301 Rattan, Mr., on the germination of the seeds of Megan·him OaUfornica, 82 Relation between eircumnutation and heliotropism, 435 SAG:fiS. Reseda odomta, hypocotyl of seedling slightly heliotropic, 454 Reversion, due to mutilation, 190 Rhipsalis cassytha, rudimentary cotyledons, 97 Ricimts Bo1·boniensis, circumnutation of arched l1ypocotyl, 53 Robinia, effect of bright sunshine on its leaves, 445 -- pseudo-acacia, leaflets vertical at night, 355 Rodier, M., on tho movements of Oeratophyllum demersum, 211 Royer, Cit., on tho sleep-movements of plants, 281, n.; ou tho sleep of leaves, 318 ; the loaves of Meclicago maculata, 345 ; on Wistaria Sinensis, 354 Rubus idceus (hybrid) circumnutation of stem, 205 --, apogeotropic movement of stem, 498 Ruiz and Pavon, on Porlieria hyg1 ·omet?·ica, 336 s. SACHS on "revolving nutation," I; intimate connection between turgescence and growth, 2, n. ; cotyledon of the onion, 59; aclapt~:~tion of root-hnirs, 69 ; tho movement of the radicle, 70, 7'2, 73; movement in tho bypocotyls of the b an, &c., 91; sensitivenes.s of radicles, 131, 145, 198; set:sitivcness of the primary radicle in tho bean, 155; in the co'!lmon pea, 156; effect o~· .m~1st air, 180; of killing or 1DJUI"ll1g the primary radicle, 186, 187; circumnutation of flow er-stems, 225 ; epinasty, 268 ; movm;nents of leaflets of 1'rifolium mca:natum, 350 ; action . of. light m modifying the ponod1c movoments of leaves, 418; on geotropism and heliotropism, 436, n.; ou 1'ropceolum majus, 453 ; INDEX. 589 SARRACENIA. on the hypocntyls slightly heliotropic, and stems strong-ly apheliotropic of the ivy, 45;J; lleliotropism of radicles, 482 ; experiments on tips of mrlielos of bean, 523, 524 ; curvature of the hypocotyl, 555 ; resemblance between plants and animall:l, 571 Sarracenia pu1·purea, cir<'umnutation of young pitcher, 227 Saxifraga sanne'f!'tosC!', circum-nutation of an mclmed stolon, 218 Schranlcict acttleata, nyctitropic movement of the pinnro, 381, 403 - uncinata, nyctitropic movements of leaflets, 381 Securigera coronillct, nocturnal movements of leaflets, 352 Seed-capsules, burying of, 513 Seed-coats, rupture of, 102-106 Seedling plants, circumnutating movements of, 10 Selaginella, circumnutation of, 258 .....-- Kmussii (?), circumnutation of young plant, 66 Sida napma, depression of leaves at night, 322 -,no pulvinus, 322 - retusa, vertical rising of leaves, 322 - rhombifolia, sleep of cotyledons, 308 -, sleep ofleavcs, 314 -,vertical rising of leaves, 322 -,no pulvinus, 322 -, circumnutation and nycti-tropic movements of leaf of young plant, 322 -, nyctitropic movement of leaves, 397 Siegesbeclcia o1·ientalis, sleep of leaves, 319, 384 Sinapis alba, hypocotyl bending towards the light, 461 -, transmitted efiect of light on radicles, 482, 483, 567 -,growth of radicles in darkness, 486 STAPELTA. Sinapis nigm, sleep of cotyledons, 30L Srnilax n.~pem, tendrils apheliotropic, 4!>1 Smithict Pjunclii, non- sensitive cotyledons, 127 --, llyponnstic movement of the curved summit of the atom 274- 276 , --, cotyledons not sleopinO" at night, 308 ° --, vertical movement of leaves 356 ' -- smMitiva, sensitiveness of cotyledons to con tact, 126 --, sleep of cotyl<'dons, 308 Sophora clwysophylla, leaflets rise at night, 368 Solanum cl~tlcarnam, circumnutating stems, 266 -- lycopm·sicurn, movement of hypocotyl, 50 --, of cotyledons, 50 --, effect of darkness, 124 --,rising of cotyledons at night 306 ' --, heliotropic movements of hypocotyl, 421 --, effect of an intermittent light 457 ' --, rapid heliotropism, 461 palinacanthum, circumnutation of arched hypoootyl 51 100 ' ' --, of cotyle1lon, 51 --, ellipses de~cribed by hypo-cotyl when erect, 107 --, nocturnal movement of cotyledons, 306 Spa1·ganiurn 1·amosum, rhizomes of, 189 Sphce1·ophysa sctlsola, rising of leailets, 355 Spi'rogy1·a p1'inceps, movements of, 250, n. Stahl, Dr., on tlw effect of .lEci· dium on shoot, 189; on the influence of light ou swarm-spores, 488, n. Stapelia sarpeclon, circumnutation of hypocoty 1, 46, 47 |