Vlll 
Index . 
Figures. 
13 , 
c . Diagrams. 
1-13, 
d. Tables. I. 
8 . 
9- 
10. 
11. 
12. 
14. 
i5- 
16. 
17. 
18. 
19. 
1. 
2. 
3- 
4- 
5 
6 . 
7- 
8 . 
9- 
10. 
12. 
T 4* 
15- 
16. 
17- 
1. 
2. 
3* 
o* 
, 7* 
8 . 
9* 
10. 
-5* 
;- 8 . 
1. 
2. 
3- 
4* 
5- 
6 . 
1-4. 
r-4. 
angolense (Bower) 
Petiole of a sterile leaf of Cheiropleuria (Bower) 
Relation of leaf-traces to ring of meristeles of axis (Bower) 
Petiole of Platycerium Plillii (Bower) 
Pinna of Matonia (Bower) 
Lamina of Cheiropleuria (Bower) . 
Laminae of Platycerium aethiopicum and P 
Lamina of Cheiropleuria (Bower) 
Sporangia of Dipteris Lobbiana (Bower) 
Sporangia of Cheiropleuria (Bower) 
Sporangium of Platycerium aethiopicum (Bower) 
Segmentation of young sporangium of Metaxya (Bower) 
Rachiopteris cylindrica : diagrams of the stele (Bancroft) 
A large a stem, showing xylem (Bancroft) 
Outer layers of a stem (Bancroft) . . 
Sections of a stem and a petiole (Bancroft) 
Stele of an a stem (Bancroft) . 
Middle cortex of a and /3 stems (Bancroft) 
Diagrams of stele of an a stem, showing ‘ dichotomy ’ 
Diagrams of stele of a jS stem (Bancroft) 
Diagrams of leaf-trace production (Bancroft) 
Diagram of a leaf-trace (Bancroft) 
Section of a petiolar bundle (Bancroft) 
Portion of a root (Bancroft) . 
Sections of a root (Bancroft) . 
A monarch ‘ axis ’ (Bancroft) 
(Ban 
croft) 
page 
506 
508 
509 
511 
512 
513 
5i5 
517 
518 
519 
521 
534 
536 
■ 537 
■ 538 
• 54° 
• 54 i 
543 
■ 544 
• 545 
■ 546 
• 547 
■ 549 
• 550 
• 55i 
• 552 
• 553 
• 576 
578 
Sections of small axes (Bancroft) . 
Section of a sporangium (Bancroft) 
Cucurbita Pepo : vascular tissue of fruiting peduncle (WORSDELL) 
Cucurbita foetidissima : central cylinder of stem (Worsdell) . 
Citrullus ecirrhosus : ring-bundles and internal-phloem strands of stem 
(Worsdell) .580 
Citrullus ecirrhosus : central cylinder of fruiting peduncle (Worsdell) 581 
Ecballium Elaterium : stem base (Worsdell) .583 
Acanthosicyos horridus : peduncle and bundle of the ring (Worsdell) 585 
Normal stem of typical Cucurbitaceae (Worsdell) .... 586 
Primitive type of axis (Worsdell) .. . 587 
Theoretical ancestral type of stem (Worsdell) .... 587 
Seeds of Ginkgo (Affourtit and La Riviere) . . . .592 
Multinucleate cells of Morus nigra (Prankerd) .... 601 
Cells from pith of Aesculus Hippocastanum (Prankerd) . . .602 
Testa of Vicia Faba (Hunter) .628 
Pith of young internodes (Hunter) 
Pith from older internode (Hunter) .... 
Cortical cavities in old internodes (Hunter) 
Ground tissue, showing intercellular spaces (Hunter) 
Distribution of aerating system in Vicia Faba (Hunter) 
Hairs from tomentum of Rhododendron (Jesson) 
Effect of Salt on the Growth of Salicornia (Halket) 
Studies in Permeability (Stiles and J0rgensen) 
629 
. 630 
. 631 
. 632 
• 633 
. . 636 
. 146-52 
354-64, 612-17 
II. Analysis of development of appendages in Compositae (Small) 
466 
