198 GENERAL INDEX TO ROYAL AGRICULTURAL JOURNAL. 



VEGETABLE. 



reproductive organs a sign of liiglier 

 life, 375 ; cambial tissue, o7G. 



Vegetable oils, see " Oils." 



• , parenchymatous tissue, 377 ; office 



of cells, ib. ; vascular plants, tlieir dis- 

 tinct spiml ducts containing air, 381 ; 

 dycotyledons have ducts forming a 

 circle between the pith and rliind, 383 ; 

 fonnation of woody fibre, 381 ; cellulose 

 allied to starcli, ih. ; how uflectcd by 

 iodine, 384-38(J ; potash and nitric acid, 

 their effects on cell walls and woody 

 fibre, 38G ; resinous coat of the ext<'rnal 

 skin, 387 ; the bloom of ])luins, grapes, 

 &c., ih. ; jirotoplasni or fonnative mat- 

 ter, ih. ; the cell nucleus, 388 ; circula- 

 tion, 890; chloropliyll or leaf-green, 

 «6. ; its composition and connexion with 

 stai'ch, 3f>4 ; starch, presence of, in 

 seeds, tubers, &c., 395 ; structure of 

 wheat-gmin, ib. ; starch, solution of, 

 in germination, 400 ; development 

 of starch granules by the agency of 

 jirotojilasm, 401 ; their presence in the 

 gratuiles of cldorophyll, 403 ; chloro- 

 phyll, how generated, 405 ; its alltu- 

 rainous substance idfMitical witli pro- 

 toplasm, 405 ; starch in seeds replaced 

 by fixed oil, 40G ; giun its origin, 407 ; 

 the colour cells of flowers, 409 ; the 

 cause of autumnal tints and variegated 

 leaves, 410; essential oils, how formed, 

 411 ; milky juices, v7>. ; imjiortancc of 

 albmuinous or nitrogenous principles, 

 412; their ]irobable formation in the 

 roots (Mulder\ 413; chlorophyll 

 formed by sunlight from protoplasm, 

 ih. ; the relation of nitrogenous to ter- 

 nary substances not yet fathomed. — 

 Microscopic diagrams, pasnim. 



Verney, Sir H., on the Spanish phospho- 

 rite and other manures, vi. 331. 



Veuonica agrestis, see "Speedwell, the 

 procumbent." 



— — arvensis, see "Speedwell, the com." 



buxbaumia, see "Speedwell, the 



buxbaums. ' 



• hcderifolia, see " Speedwell, the ivy- 

 leaved. ' 



politer, sec " Speedwell, the field." 



Vetch, early, W. J, Williams ou, iii. 

 236. 



, growth of, at Stinchcombe in Glou- 

 cestershire (Morton), i. 389. 



• , on the botrytis of, by the Rev. E. 



Sidney, x. 394. 



■ , the plant and its hay analysed, 



xiii. 4GG. 



■ analysed (Way), xiv. 179. 



, bush, the, analysed, xiv. 179. 



• , growth of, on light tiinty chalk 



soils (Haxton), xv. 100 ; on the sandy 

 soils of Norfolk, 120. 



Vetch, growth of in Shropshire (H. Tan- 

 ner), xix. 12. 



, how affected by manure (Lawcs), 



XX. 2G2. 



Vibrio, a worm occasionally found in red 

 clover seed (Curtis), xviii. 53. 



ViciA sativa, see "Vetch.' 



sepium, see "Bush vetcli." 



ViLLE, on the supply of nitrogen to 

 plants, xvii. 58; whence assimilated 

 by them, 85. 



, experiments by, on the growth of 



wheat, XXV. 255. 



VixCENT, Rev. J. \., on the application 

 of a marine peat as manure in Ciunar- 

 vonshire, ii. 417. 



Vine disease akin to the potato disease 

 (Dr. Lang), xix. 70. 



Viola tricolor, see "Wild pansj'." 



ViscvM album, see " Miseltoe." 



Voelckeu, Dr. Augustus, on the causes 

 of the efficacy of burnt clay, xii. 496 ; 

 xvii. 56. 



, on the composition of the parsnip 



and white Belgian carrot, xiii. 385. 



, on the source of nitrogen in plants 



xiv. 382. 



, on the comparative value of dif- 

 ferent artificial manures for raising 

 a crop of swedes, with remarks on tho 

 composition of the manures, xvi. 90. 



, on his remarks on the value of 



artificial manures, by J. T. Way, xvi. 

 533. 



, on farmyard-manure, xni. 191. 



, on farmyard-manure, drainings of 



dungheajjs, and the absorbing proper- 

 tics of soils, xviii. Ill, see "Farmyard- 

 manure." 



, on paring and burning, xviii. 342. 



, experiments upon swedes, with re- 

 marks on the mauures employed, xix. 

 153. 



, his appointment as consulting 



chemist of the R. A. Society (report 

 of council), xix. iv. 



, on the composition and nutritive 



value of cotton cake, xix. 420. 



, on liquid manure, xix. 519. 



, on finger and too 'anbury), and 



the analysis of diseased turnips, xx. 101. 



, on the composition of mangold- 



wiu-zel root two years old, xx. 131 . 



, on the changes in liqitid manure in 



contact with soils, xx. 134. 



, on the composition of sorghum .sac- 



charatum (Holcus S.), xx. 378. 



, his experiments with different top- 

 dressings upon wheat, xx. 386. 



