Index. 
vm 
Plates. LXX, LXXI. 
LXXII. 
LXXIII, LXXIV. 
LXXV, LXX VI. 
LXXVII-LXXX. 
LXXXI-LXXXIII. 
LXXXIV. 
LXXXV. 
LXXXVI. 
LXXXVII-XC. 
XCI, XCII. 
XCIII. 
XCIV-XCVII. 
XCVIII. 
Polystigma (Blackman and Welsford). 
Asarum, Mycorhiza (Schwartz). 
Filicinean Wound Reactions (Holden). 
Pericystis (Betts). 
Nodules of Podocarpineae (Spratt). 
Leaves of Spiraea (Yapp). 
Pachypodium (Lee). 
Ephedra (Thoday and Berridge). 
Oenothera (Gates). 
Mesoxylon (Scott). 
Sutcliffia (de Fraine). 
Striga (Stephens). 
Ephedra (Thompson). 
Ceraria and Portulacaria (Michell). 
b Figures, i, 2. 
3> 4- 
5- 
6 . 
7- 
8 . 
9- 
10. 
II, 12. 
13 - 
14. 
15 - 
16. 
17, 18. 
19. 
23- 
24. 
25 - 
26. 
27. 
28. 
29. 
30. 
31. 
32. 
33- 
34- 
35- 
36. 
PAGE 
Diagrams representing the sequence of segments cut off from apical 
cells. (1) Spiral dextrorse ; (2) Spiral sinistrorse (Evans) . 
Diagrams representing the first two walls formed in a lateral segment 
and the establishment of the segment-halves (Evans) . 
Diagram representing the establishment of two branches of the 
Frullania type (Evans) 
Frullania Asagrayana (Evans) 
Frullania aculeata (Evans) 
Lepidozia reptans (Evans) 
Sprucella succida (Evans) 
Mastigophora Woodsii (Evans) 
Mastigophora Woodsii (Evans) 
Pleuroclada albescens (Evans) 
Lophocolea heterophylla (Evans) 
Harpanthus Flotowianus (Evans) 
Plagiochila frondescens (Evans) ....... 
Lophozia Wenzelii (Evans) 
Lophozia attenuata (Evans) 
Lophozia Floerkei (Evans) ........ 
Lophozia inflata (Evans) 
Jamesoniella autumnalis (Evans) ....... 
Zoopsis argentea (Evans) . . 
Cephalozia bicuspidata (Evans) ....... 
Cephalozia curvifolia (Evans) 
Bazzania tricrenata (Evans) 
Lepidozia (Microlepidozia) setacea (Evans) . . . 
Diagram representing the establishment of branches of the Micro- 
lepidozia and Frullania types (Evans) 
Diagram representing the establishment of branches of the Acro- 
mastigum and Frullania types (Evans) 
Radula aquilegia (Evans) 
Euosmolejeunea duriuscula (Evans) 
Lejeunea cavifolia (Evans) 
Micropterygium Pterygophyllum (Evans) . . . . . 
Plagiochila Sullivantii (Evans) 
Bazzania Brighami (Evans) ........ 
Zygopteris Grayi (Scott) 
Diagram 1. 1-7, Calandrinia; 8, Portulaca (Hill and de Fraine) 
Diagram 2. Silene Schafta (Hill and de Fraine) . 
a, Saponaria Vaccaria ; b, S. cerastoides (Hill and de Fraine) . 
Obione portulacoides (Hill and de Fraine) 
3 
5 
6 
7 
8 
8 
9 
10 
1 1 
11 
1 2 
12 
14 
15 
15 
16 
17 
18 
J 9 
19 
20 
22 
22 
23 
25 
25 
26 
28 
28 
29 
5 i 
176 
*79 
180 
184 
