I 



INDEX. 



The page numbers in holder type indicate illiutt 



Abano, Sphserotilus in hot springs at, i. 554. 



Abele. See Populus alba. 



Abies, and Witches' Broom, ii. 526. 



— axillary buds, ii. 29. 



— fertilization, ii. 420. 



— green cotyledons, ii. 622. 



— needles, ii. V25. 



— pollen storing and dispersion, ii. 145. 



— protection of ovules, ii. 72. 



Abies excelsa and galls of Chermes abietis, 



ii. 544. 



cone characteristics, ii. 725. 



egg-cells, ii. 419. 



embryo development, ii. 438. 



flower-opening constant, i. 559. 



Pine-apple Gall on twigs, ii. 534. 



stamen, ii 87. 



various dimensions, i. 722. 



• vertical range, i. 527. 



Abies orientalis, cotyledons, i. 621. 

 Abies pectiuata, i. 717. 



and jEcidiura elatinum, ii. 523, 527. 



annual rings and sinkers of Mistletoe, 



i. 210. 



bract scale, ii. 440, 441, 721. 



cone, ii. 441, 721, 725. 



embryo development, ii. 438. 



ovuliferous scales, ii. 441. 



Abietinese, arrangement of scales, ii. 440. 



— distinguishing feature, ii. 721. 



— embryo development, ii. 438. 

 Abronia, unequal cotyledons, i. 622. 

 Absorbent cells, i. 765. 



of cotyledons, i. 599, 600. 



Absorption bands of chlorophyll spectrum, i. 



372. 

 Absorption-cells, i. 87, 217. 

 capitate or glandular, of multicellular 



hairs, mode of action, i. 229. 



controlling influences, i. 90. 



form of, i. 86. 



fungal hyphie a substitute for, i. 249. 



in Leucobryum, &c., i. 86. 



in Nepenthes pitcher, i. 135. 



in special cavities and grooves in leaves, 



i. 230. 



of Bartsia, i. 180. 



of Cuscuta, of Cassythas, i. 176. 



of foliage-leaves, other than trichomes, 



restricted action, i. 230. 



of Lathra^a, i. 182. 



of leaves, conditions of action, i. 227. 



of Mildews, i. 166. 



of Orchid aerial roots, i. 223. 



of Plagiothecium, i. 85. 



of Rhinanthaceie, i. 178. 



of roots, permeability, &c., i. 226. 



of Saprophytes, i. 114. 



of Stellaria media, i. 228. 



of Thesimn, i. 177. 



of Utricularia bladders, i. 121. 



of water-receptacles, proof of acting as 



such, i. 240. 



on leaf-cuttings, ii. 42. 



on leaves of Tamarisks. Frankenias, &c., 



mode of development, i. 236. 



— — position of, i. 88. 



replaced by mycelium, i. 91. 



shape in relation to food-supply. &c., 



i. 90 



Absorption of food-salts, i. 85. 



— of rain and dew, by foliageleaveB, 1. 225. 



— of water by foUage-leaves, i. 232. 

 Absorption-roots, of Saprophytes, i. 116. 

 Absorptive cavities and cups on foliage- 

 leaves, i. 233. 



— organs, of some Plumbaginea;. i. 234. 

 Abu-Arisch, Arabia, shade temperature, i. 



556. 

 AbutUon Avicennse, autogamy, ii. 355. 



cross-fertilization, ii. 304. 



Acacia. See also Robinia Pseudacacia. 



— pollen-chambers, ii. 90. 



— popularly so called, i. 534. 



— reception of insects, ii. 230. 



— root-slips, ii. 28. 



— scent, ii. 201. 



— true, diurnal positions of leaves, i. 534. 



— unprotected pollen, ii. 107. 



Acacia caffra, &c., hosts of Sarcophyte, i. 



196. 

 Acacia lophantha, Australia, leaf, diurnal 



positions, i. 534. 

 Acacia spadicigera, myrmecophilous, ii. 233. 

 Acacia sphserocephaJa, myrmecophilous, ii. 



233. 

 Acacias, Australian, coloured stamen fila- 

 ments in, ii. 183. 



distribution of stomata on phyllodes, i. 



281. 



leaf metamorphoses, i. 637. 



phyllodes, i. 335. 



wax on leaves, &c., i. 292, 312. 



Acalypha, stamen, ii. 87. 

 Acauthacese, ii. 771. 



— and cold, i. 545. 



— inflorescence, i. 746. 



— pollen-sprinkling apparatus in, ii. 271. 



— scarlet flowers in, ii. 196. 

 Acauthohmon, absorptive organs, i. 234. 



— acicular leaves, i. 434, 437. 



— and spiny Tragacanth-shrubs, Persian 



steppes, i. 435. 



— calcareous incrustation, i. 237. 



— habitat, i. 235. 



Acantholimon Senganense, absorptive or- 

 gans, &.C.. i. 235. 



leaf, and section of part, i. 233. 



lime incrustations, i. 235. 



Acanthophyllum, leaves, i. 434. 

 Acanthus, and insect visits, ii. 223. 



— coloui -contrast in flower, ii. 191. 



— cross-fertilization, ii. 304. 



— emerging of leaves from soil, i. 639. 



— honey protection, ii. 241. 



— pollen-sprinkling apparatus, ii. 273 



— protection of pollen from wet, ii. 110. 

 Acanthus longifolius, flower, and pollen- 

 sprinkling apparatus, ii. 273. 



Acanthus mollis, habit, ii. 772. 



mildew of, i. 166. 



seed-dispersal, ii. 833, 835. 



Acanthus spinosissimus, i. 437. 



Acanthus spinosus, pollen-sprinkling. Ii. 273. 



Acanthus spinulosus, hybrid of A. mollis x A. 



spinosissimus, ii. 586. 

 Aoarina, i. 138. 



Acarospora glaucocarpa. habitat, I. 117. 

 Acarus, prey of Utricularia montana. I. 123. 

 Acaulescent Gentians, autogamy, ii. 387. 



925 



Acaiilcsttnl Vlo'a«, clelitognmr. II. iM. 

 AccfSitory organB, of flowcro. IL 71. 



— BUbsluiici.*, of l>lantA, L 460. 



Acer and Glcditiu'hia trlkontho*. itrucgU for 

 existence, ii. 515 



— and Nectria. ii. 678. 



— arrangement of (olinitf-le&Tca, i. 92. 



— colour of flowefB and fllai, U. 197. 



— from chalk, ii. 613. 



— green rotylcdoni, 1. 622. 



— hybrids in. II. 584. 



— mechanical liuue amngemcDt. I. 73. 



— roots, i. 753. 



— texture of so-called mlto-gmlli, IL 532. 



— vernation, i. 350. 



Acer campcstre, mitc-gaU*. ii. 939 



Acer Monspcssulanuro, iced-dupeml, U 



853. 

 Acer platanoides, distribution of sexca, U 



297. 



flower-ojiening constant, 1. fiS9. 



leafy twig, i. 416. 



normal and sucker leaves, U. 518. 



seedling, i. 9. 



twig and elongation of Icaf-stAlka, I 



419. 



venation, I. 631. 



Acer Pseudo-platanus, dlstributiun of lexa^ 



Ii. 297. 



imperfect flowers, ii. 295. 



.\cer rubruni, i. 488. 



Aceras and Orchis, hybrldijuition. U. 681 

 Acerosii". of Bmun, II. CCS. 

 Acetabularia, colonies, i St(5. 



— marine lime accuniulaton, i. 261. 

 Acetabularia nicditerrancs^ structure, *0l 



ii. 646. 

 Acetabulariw, different iatlon of HuUlos. U 



646. 

 Acetic acid, from alcohol, I. 506 

 Achene, enibrjo prot<«tlon. il. 450. 



— nature of, 11. 429 



— of Gnapbalium alplni>m. Ii. 84. 

 Achencs, with |>appu«, ii. 432. 

 AcliiUea. hybrids, il. 585 



— peripheral flowers, Ii 187. 



Achillea Clavenniu, habiut and halrinaM. t 



316. 

 Achillea Millefolium. anthocyanlD. I. SB 



gall-niit«« and flower m>taioon>i>ai>^ 



ii. 548. 

 Achimunes, omamenlal t<rn»»rT liybnJi*»- 



tion, ii. 500. 

 Achlya, asexual toocporM. IL 480. 



— fruit, lie. 11. 480 



— host for Saprolegnlaoeaj and Chjlrtl*^ L 



170. 

 Achlya liiniif""':*. lo-Tual orran*. II. 671 

 Acli!) I : " * ""J ft»bc«. I lOJk 



ZI ^ ,-uw. II 6ea 



Acbli > ' o' UliuJiliomr«» 



apophjcatu!. i l"i'. 

 Achorion SclioenlelnU. Okom of ni>c«t>ra. 



