i6 
Annals of Botany. 
543 ; effect of chloroform on respiratory 
exchanges (*), 27, 705. 
Helichrysum bracteatum, seedling-anatomy 
(*), 27, 816. 
Helioperception (*), 28, 459. 
Heliopsis laevis, seedling-structure (*), 28, 
310. 
Helleborus, spp ., vascular anatomy (*), 22, 
659- 
— foetidus, seedling-structure, 28, 707 ; 
vascular anatomy, 22, 660. 
Helminthostachys, anatomy and morphology 
(*), 28, 19. 
— zeylanica, adult rhizome structure (*), 
29, 3 ; anatomical relationship of actual 
branches to main rhizome (*), 29, 14; 
juvenile rhizome, anatomy (*), 29, 24; 
rhizome andstelar structure, interpretation 
of (*), 29, 34; suspensor, 24, 61 1. 
Helvella crispa, ascus development and for- 
mation (*), 25, 243, 247; chromatin 
bodies, 25, 249 ; meiosis (*), 25, 244, 246, 
248 ; morphology, 25, 246 ; sexuality, 25, 
247 ; spore-formation (*), 25, 246; vege- 
tative tissue (*), 25, 243. 
Hemitella setosa, phylogeny (*), 27, 450. 
Hemsley, W. B.: Two new Triuridaceae, 
with some Remarks on the Genus Sciaphila, 
Blume (*), 21, 71. 
Henslow, G. : The Origin of Monocotyle- 
dons from Dicotyledons, through Self- 
adaptation to a Moist or Aquatic Habit, 
25,717. 
Hepaticae, branching in leafy (*), 26, 1 ; 
Acromastigum type (*), 26, 23 ; Frullania 
type (*), 26,4; intercalary branching (*), 
26, *26 ; Microlepidozia type (*), 26, 21; 
Radula type (*), 26, 24 ; terminal branch- 
ing (*), 26, 4. 
— spermatogenesis, 25, 299. 
Herbaceous type, origin of, in Angiosperms 
(*), 25, 215. 
Heredity, idioplasmic theory of, 22, 550. 
Hesperantha matopensis, scale leaves (*), 
22, 197. 
Hesperis tristis, seedling-anatomy, 28, 716. 
Heterotypic chromosomes in pollen mother- 
cells (*), 21, 309. 
— reduction in somatic cells, occurrence 
(*), 24, 775; in Hyacinthus candicans 
(*), 24, 781 ; in Pisum sativum (*), 24, 
793 ; in Vicia Faba (*), 24, 788. 
Heuchera alba, seedling-anatomy, 28, 724. 
Hibiscus syriacus, anatomy of leaf-fail, 25, 
7i. 
Hickling, G. : TheAnatomyofPalaeostachya 
vera (*), 21, 369. 
Hieracium alpinum, seedling-structure (*). 
28, 323. 
Hiley, W. E. : On the Value of Different 
Degrees of Centrifugal Force as Geotropic 
Stimuli (*), 27, 719. 
— : see Boodle, L. A. 
Hill, A. W. : A Revision of the Geophilous 
Species of Peperomia, with some additional 
Notes on their Morphology and Seedling- 
structure (*), 21, 139. 
— Studies in Seed Germination. The Genus 
Marah (Megarrhiza), Cucurbitaceae (*), 
30, 215. 
— The Floral Morphology of the Genus 
Sebaea (*), 27, 479. 
— The Production of Hairs on the Stems 
and Petioles of Tropaeolum peregrinum 
(*), 26, 589. 
— The Histology of the Sieve Tubes of 
Angiosperms (*), 22, 245. 
— The Origin of Monocotyledons (*), 22, 
713. 
Hill, T. G., and de Fraine, E. : A Con- 
sideration of the Facts relating to the 
Structure of Seedlings (*), 27, 257. 
— On the Classification of Seed Leaves, 28, 
359- 
— On the Seedling-structure of certain 
Centrospermae (*), 26, 175. 
— On the Seedling-structure of Gymno- 
sperms. I. (*), 22, 689. 
— Id . II. (*), 23, 189. 
-Mill. (*), 23 , 433. 
— Id. IV. (*), 24, 319. 
Hillhousia, lime-sulphur bacteria of the 
genus (*), 27, 83. 
Hippuris, origin of endodermis in stem (*), 
30, 91. 
Hind, M. : Studies in Permeability. III. 
The Absorption of Acids by Plant Tissue 
(*), 30, 223. 
Hoar, C. S. : A Comparison of the Stem 
Anatomy of the Cohort Umbelliflorae (*), 
29, 55. 
Holden, R. : Contributions to the Anatomy 
of Mesozoic Conifers. No. 1. Jurassic 
Coniferous Woods from Yorkshire (*), 
27, 53 3- 
— Reduction and Reversion in the North 
American Salicales (*), 26, 165. 
-7T- Some Fossil Plants from Eastern Canada 
(*), 27, 243. 
Holden, H. S. : On the Occlusion of the 
Stomata in Tradescantia pulchella ('*), 
27, 369. 
— Preliminary Note on Periderm Formation 
in Filicinean Petioles, 24, 61 1. 
— Further Observations on the Wound 
Reactions of the Petioles of Pteris aqui- 
lina (*), 30, 127. 
— Some Wound Reactions in Filicinean 
Petioles (*), 26, 777. 
Hooker, H. D. : Hydrotropism in Roots of 
Lupinus albus, 29, 265. 
Hordeum, amyloclastic secretory capacities 
of embryo and aleurone layer, 25, 799, 
1147; respirations of seeds, 22, 419. 
— distichum, vitality and self-digestion of 
endosperm, 22, 456. 
