INDEX TO ANNALS OF BOTANY 
VOLS. XXI-XXX (1907-1916) 
(*) Indicates an illustration. 
A. 
Abies, spp., structure (*), 23, 191. 
— excelsa, insect visitors, 22, 648. 
Abietineae, anatomy of Jurassic woods (*), 
27, 541 ; seedling-structure (*), 22, 706. 
Abronia, spp., seedling-structure (*), 26, 189. 
Absorption of acids by plant tissue (*), 30, 
223. 
water by green parts of halophytes, 25, 
496 ; by succulents, superficial, 26, 420. 
Acacia, diameter and length of vessels, 24, 
94. 
Acanthosicyos horridus, structure (*), 29, 
584. 
Accessory food substances (*), 28, 531. 
Acer negundo, mitosis in pollen mother-cells 
(*), 28, ..5. 
- — pseudoplatanus, anatomy of leaf-fail, 25, 
74 ; insect visitors, 22, 618. 
Achillea pyrenaica, seedling-structure, 28, 
316. 
Acid reaction in plants, 29, 76. 
1 Acidity of shagnum, its relation to chalk and 
mineral salts, 29, 65. 
Acids, absorption of (*), 30, 223. 
Acquired characters, inheritance, 25, 741. 
Acrophorus, phylogenic consideration, 26, 
304. 
Actinostrobus pyramidalis, female cone and 
ovule (*), 27, 324 ; female gametophyte 
(*), 27, 326 ; fertilization and embryology 
(*), 27, 335 ; male gametophyte (*), 27, 
332; microsporangium and microspores 
(*), 27, 324; seedling-structure (*), 22, 
703. 
Acton, E. : Botrydina vulgaris, Brebisson, 
a Primitive Lichen (*), 23, 580. 
— Goccomyxa subellipsoidea, a New Mem- 
ber of the Palmellaceae (*), 23, 573. 
— Observations on the Cytology of the 
Chroococcaceae (*), 28, 433. 
— Studies on Nuclear Division in Desmids. 
I. Hyalotheca dissiliens, (Sue.) Breb. (*), 
30, 379- 
Adenocline, description of genus and species, 
27, 402 ; distribution, 27, 409 ; review of, 
27, 390. 
I Adenoclineae of South Africa, 27, 371. 
Adkinson, J. : Some Features of the Ana- 
tomy of the Vitaceae (*), 27, 133. 
Adonis annua, seedling-anatomy, 28, 707. 
Aerating system of Vicia Faba (*),29, 627. 
Aerotropic growths of Bacillus megatherium, 
26, 949. 
Aethionemapersicum, seedling-anatomy, 28, 
717. 
Affourtit, M. F. A., and La Riviere, 
H. C. C. : On the Ribbing of the Seeds of 
Ginkgo (*), 29, 591. 
Agapanthus umbellatus var. albiflorus, pol- 
lination and respiratory activity, 21, 498. 
Agaricaceae, development of carpophore (*), 
25, 683. 
Agathis australis, morphology of strobili (*), 
27, r. 
Ailanthus glandulosa, anatomy of leaf-fall, 
25, 95. 
Aizoaceae, seedling-structure (*), 26, 187. 
Akebia lobata, vascular anatomy, 22, 674. 
Alaria esculenta, histology, 22, 320. 
Alchemilla, spp., insect visitors, 22, 639. 
Aleurone layer of Hordeum, amyloclastic 
secretory power, 25, 817, 1147. 
secretions, starch liquefying and sac- 
charifying properties, 25, 1154. 
Algae, occurrence and reproduction of 
British freshwater (*), 21, 423. 
Algal floraof tropics, subaerial and freshwater, 
21, 235 ; systematic composition of sub- 
aerial, 21, 237 ; systematic composition of 
submerged aquatic, 21, 243. 
Allelomorphs, pairing of, 23, 543. 
Allium Cepa, anaphase (*), 28, 275 ; meta- 
phase (*), 28, 275 ; mitosis in gametophyte 
(*), 28, 277 ; prophase (*), 28, 271 ; telo- 
phase (*), 28, 276. 
Allomyces, a new aquatic fungus (*), 25, 
1023 ; description, 25, 1027. 
— arbuscula, n. sp., description (*), 25, 
1027. 
Alnus, morphology of root tubercles (*), 26, 
119. 
— spp., seedling-structure (*), 30, 587. 
Alopecurus pratensis, insect visitors, 22, 
648. 
Alpine plants, transpiration, 26, 438. 
Alpinia calcarata, seedling-anatomy, 29, 215. 
Alsinoideae, chalaza (*), 21, 42 ; embryo sac 
(*), 21, 31, 44, 46 ; endosperm (*), 21, 34 ; 
germination (*), 21, 42 ; integuments (*), 
21, 40 ; nucellus (*), 21, 36 ; perisperm 
B 
