20 
Annals of Botany . 
heterotypic chromosomes in pollen mother- 
cells (*), 21, 314. 
Lilium candidum, chromatin extrusion in 
pollen mother-cells (*), 29, 285 ; pollina- 
tion and respiratory activity, 21, 496. 
Lime-sulphur^bacteria of genus Hillhousia 
.(*), 27, 83. 
Linaria, spp ., seedling-anatomy, 26, 738. 
Lindsaya, phylogeny (*), 27, 459. 
Lindsey, M. : The Branching and Branch 
Shedding of Bothrodendron (*), 29, 223. 
Linnaea borealis, insect visitors, 22, 606. 
Linum catharticum, insect visitors, 22, 617. 
— usitatissimum, proteases of seeds, 22, 109. 
Liquidambar styraciflua, seedling-anatomy, 
28, 725. 
Liriodendron tulipifera, anatomy of leaf-fall, 
25, 100; seedling-anatomy (*), 28, 710. 
Listera cordata, insect visitors, 22, 616. 
Lodoicea sechellarum, germination of seed 
(*), 24, 223. 
Loiseleuria procumbens, insect visitors, 22, 
628. 
Lolium italicum, seedling-anatomy, 29, 184. 
Lophosoria, phyletic consideration (*), 26, 
269. 
— pruinata (*), 26, 279 ; anatomy of axis 
(*), 26, 281; hairs, 26, 286 ; leaf-structure 
(*), 26, 284; morphological discussion (*), 
26, 291 ; sporangium (*), 26, 287 ; spore 
and prothallus (*), 26, 291. . 
Lotus corniculatus, seedling-structure (*), 
27, 814. 
Lower Cretaceous species of Schizaeaceae 
from eastern North America (*), 25, 193. 
Loxsoma, phylogeny (*), 27, 463. 
Lunaria, spp., seedling-anatomy (*), 28, 718. 
Lupinusalbus, hydrotropism in roots, 29, 265. 
Lychnis, doubling of embryo-sac, pollen- 
tube, and embryo, 26, 243. 
— Viscaria, seedling-structure, 26, 178. 
Lycopodiales, physiological anatomy of peri- 
derm of fossil (*), 27, 281 ; external mani- 
festation of periderm development, 27, 
314; periderm (*), 27, 297; phellogen 
(*), 27, 287. 
Lycopodium clavatum, young sporophyte : 
foot, 21, 221; leaf-structure, 21, 230; 
root-structure (*), 21, 213; stem-struc- 
ture, 21, 225. 
— complanatum, young sporophyte : ex- 
ternal features (*), 21, 212 ; foot (*), 21, 
219; leaf-structure (*), 21, 230; root- 
structure (*), 21, 213 ; stem-structure (*), 
21, 222. 
— Selago, roots (*), 22, 2 1 ; course through 
cortex (*), 22, 27; growth (*), 22, 26; 
origin (*), 22, 23 ; structure (*), 22, 29. 
Lygodium, spp., structure of petiole (*), 30, 
497 - 
— dichotomum, petiole-structure (*), 30, 
501 ; sieve-tubes, 26, 581. 
Lysimachia, spp., insect visitors, 22, 635. 
M. 
Macaranga, spp., relationship with ants (*), 
24,470. 
Macdougal, D. T. : The Water-balance of 
Desert Plants (*), 26, 71. 
Macrocystis pyrifera, anatomy (*), 22, 299 ; 
callus (*), 22, 308 ; cell-wall (*), 22, 303 ; 
comparison with Laminaria saccharina, 
22, 317; historical summary, 22, 291; 
protoplasmic continuity (*), 22, 303 ; 
sieve-tubes (*), 22, 304 ; sieve-plate de- 
velopment, 22, 316. 
Macroglossum Alidae, antheridium (*), 28, 
654; archegonium (*), 28, 655; cotyle- 
don (*), 28, 658; embryo (*), 28, 655; 
gametophyte (*), 28, 652 ; root (*), 28, 
660, 663 ; sporangia (*), 28, 663 ; sporo- 
phyte (*), 28, 662 ; systematic position, 
28,665. 
Macrozamia spiralis, seedling-structure (*), 
23, 438. 
Madia sativa, seedling-structure, 28, 315. 
Magnesium, role of (*), 21, 508, 532. 
Magnolia, anatomy of leaf-fail, 25, 100. 
' — spp., seedling-anatomy (*), 28, 709. 
— tripetala, vascular anatomy, 22, 665. 
Magnoliaceae, anatomy, 22, 665 ; 29, 310. 
Malaxis paludosa, insect visitors, 22, 616. 
Malcolmia littorea, seedling-anatomy, 28, 7 15. 
Malt diastase, 24, 213. 
Mamillaria, spp., seedling-anatomy (*), 24, 
156. 
Manganese sulphate, influence of, on growth 
of barley (*), 24, 578. 
Mangham, S. : Observations on the Ozazone 
Method of locating Sugars in Plant Tissues 
(*), 29, 369. 
* Mangroves, transpiration, 26, 436. 
Marah, spp., germination of seeds (*), 30, 
215. 
Marattiaceae, development and structure of 
secretory tissues (*), 29, 209 ; mucilage 
canals (*), 29, 41 1 ; tannin ducts and 
sacs (*), 29, 417. 
Marchantia, androgynous receptacles (*), 
24, 349 ; spermatogenesis (*), 25, 299. 
Marsh, A. S. : The Anatomy of some 
Xerophilous Species of Cheilanthes and 
Pellaea (*), 28, 671. 
Marsh vegetation (*), 23, 275; evaporation 
(*), 23, 287 ; mutual protection of shoots, 
23, 303 ; specific differences, 23, 306 ; 
stratification of aerial shoots (*), 23, 276 ; 
temperature and evaporation, 23, 298, 
301 ; xeromorphy (*), 26, 815. 
Marsilia quadrifolia, histology of sieve-tubes, 
26, 581. 
Maslen, A. J. : The Structure of Meso- 
xylon Sutcliffii (Scott) (*), 25, 381. 
— see Scott, D. H. 
Massee, G. : On a New Genus of Ascomy- 
cetes (*), 23, 335. 
