Index. 
IX 
Figures. 
\ 
2. Transverse section of same tip at region where longitudinal section ends 
(Barr att) 
3. Transverse section showing innermost layer of periblem after division 
into inner and outer cells (Barratt) ...... 
4. Transverse section showing further addition of periblem cells 
(Barratt) 
5. Transverse section in region of a node, about same level as Fig. 4 
(Barratt) 
6 . Transverse section through older stem (Barratt) . 
1. Vertical section through a semi-mature sorus of Peranema cyatheoides 
(Davie) 
2. Diagrams showing development of the sporangium (Davie) 
1. Planoxylon Plectori, sp. nov. (Stopes) ...... 
2 . ,, ,, ,, j, ...... 
3 - 
4 * 
5- 
u, t . 
1. 
2. 
3 * 
4 - 
1. 
2. 
3 - 
1-15. 
1-5* 
1, 2. 
3 - 
1-8. 
9-i i* 
12. 
13. 
14-18. 
19-22. 
23-27. 
1. 
2. 
1. 
2. 
3- 
4 - 
5 - 
6 . 
7- 
8 . 
9 - 
10. 
11. 
1. 
2. 
3 - 
4 - 
5 - 
6 . 
7- 
Planoxylon Lindleii (Witham) (Stopes) . 
» # 5 J >> • • • 
Wound reactions of petioles of Pteris aquilina (Holden) 
n 
Zygnema (Zygogonium) ericetorum (Fritsch) 
Dysmorphococcus variabilis, Tak., gen. et sp. nov. (Takeda) . 
Scourfieldia cordiformis, Tak., sp. nov. (Takeda) 
Anomalies in ovary of Senecio vulgaris (Small) 
?> n r> 55 
Longitudinal section of upper part of ovule of Larix leptolepis (Doyle 
S tipules of Galium gracile, Bunge (Takeda) .... 
Galium paradoxum, Maxim. (Takeda) ..... 
Galium saxatile, L. (Takeda) ..... . . 
Asperula asterocephala, Bornm. (Takeda) .... 
Interfoliar stipules of Didymaea mexicana, Hook. fil. (Takeda) 
Double and forked stipules of Asperula arvensis, A. sherardioides 
Galium leiophyllum, and A. aspera (Takeda) 
Asperula trifida, Makino (Takeda) ...... 
Marah horridus. Petiole of one cotyledon from split portion of petiol 
tube (Hill) ...... .... 
Marah horridus. Unit strand of split petiole with active pericycl 
(Hill) 
Potato in hydrochloric acid (Hind) . 
Potato in nitric acid (Hind) ....... 
N 
Potato in nitric acid (Hind) ...... 
1000 v ' 
Potato in sulphuric acid (Hind) 
Potato in oxalic acid (Hind) ....... 
Potato in formic acid (Hind) . 
N 
Potato in formic acid (Hind) • 
1000 
Potato in acetic acid of various strengths (Hind) 
N 
Potato in acetic acid (Hind) ...... 
1 000 
N 
Bean in nitric acid (Hind) ...... 
1000 v 
»» 5* »> ?> ...... 
Plant of Statice binervosa after shingling (de Fraine) 
Leaves of S. binervosa. a-c, narrow-leaved form ; d-e, broad-leaved 
form (de Fraine) 
Calyces of S. binervosa and S. reticulata ( = bellidifolia) (de Fraine) 
Bracts and bracteoles of S. binervosa and S. bellidifolia (de Fraine) 
Transverse section of part of apex of a Main bank plant of S. binervosa 
(de Fraine) .......... 
Mucilage gland from base of leaf sheath of S. binervosa (de Fraine) 
Mettenius gland from the leaf of S. binervosa (de Fraine) 
page 
94 
95 
96 
96 
98 
102 
105 
112 
n 4 
115 
116 
“7 
118 
1 29 
130 
> 3 * 
132 
13*1 
142 
146 
152 
J 57 
1 9 * 
192 
J 93 
J 99 
200 
200 
200 
204 
206 
209 
220 
220 
225 
226 
227 
228 
229 
230 
230 
231 
232 
234 
2 35 
242 
246 
247 
248 
252 
253 
255 
