XIV 
Index. 
Figures. 4. 
5- 
6 . 
7- 
2. 
3- 
1. 
2. 
3- 
4- 
5 - 
6 . 
7- 
8 . 
8a 
9* 
2. 
3? 4- 
5- 
6 . 
7- 
8 . 
9- 
10. 
T “5- 
6-14. 
15-21. 
22. 
23, 24. 
25-30. 
3 1 , 32. 
1-9. 
PAGE 
Cotula (Willis) ..346 
Haastia (Willis).347 
Curves of endemics and wides (northern group) (Willis) . . *357 
Map of New Zealand and outlying islands (Willis) .... 358 
Curves of wides and endemics (New Zealand alone) and endemics 
(New Zealand islands) (Willis) . .360 
Diagram showing branching of the Zygopteridian leaf (Sahni) . . 370 
„ „ „ ,, (Sahni) . . 37 2 
Table showing interrelations of the genera of Zygopterideae (Sahni) 376 
Diagram of the investing integumentary layers of barley grain after 
twelve hours’ immersion in a 3 per cent, solution of potash (Collins) 384 
Ditto of the structure of the grain in the neighbourhood of a furrow 
(Collins) . .384 
Ditto of the solid grain with paleae removed (Collins) . . . 388 
Ditto of transverse sections of germinal end of barley grain : A just 
above, b just below, the scutellar rim on the furrow side (Collins) 388 
Graph: Uptake of water related to increase of weight by the two 
halves of the grain. Series I (Collins) . 393 
Ditto. Series II (Collins) .394 
Ditto. Series III and IV (Collins) . 394 
Ditto. Average of Series I, II, III, and IV (Collins) . * . 395 
Diagram of osmotic cell (Collins).396 
Grain with paleae removed (Collins) ...... 400 
Distribution of iodine. Exterior view (CollIns) . . . .401 
Distribution of iodine in endosperm. Serial transverse sections from 
a grain steeped in iodine solution (Collins).402 
(Key Figure). Diagram sketch of a median longitudinal section of the 
barley grain, upon which are plotted the approximate positions of 
the sections shown in Fig. 8 (Collins).403 
Progress of starch disintegration by enzyme action (Collins) . . 408 
Caltha limbata, Schlecht. Appendage in transverse section (Hill) . 424 
C. involuta (Hill).427 
C. alata (Hill).428 
C. andicola (Hill).429 
C. appendiculata (Hill).431 
C. phylloptera (Hill) ......... 433 
C. introloba, Mueller (Hill).434 
C. novae-zelandiae (Hill) ........ 435 
C. obtusa, Hector (Hill).435 
From a radial section of the phloem, showing sieve-tubes and 
parenchyma (ScotT).450 
From a tangential section of the phloem, showing sieve-tubes, 
parenchyma, and rays (Scott).451 
Dicotyledonous phyllodes and scale leaves (Arber) .... 474 
Phyllodic anatomy in Monocotyledons (Arber) .... 479 
Isobilateral equitant leaves (Arber) ....... 483 
Funkia grandiflora, Sieb. and Zucc. Upper part of petiole and ‘ lamina 1 
to show venation (Arber).487 
‘Lamina’ of Pontederia cordata, L., and a small ‘lamina’ of Eich- 
hornia speciosa, Kunth, to show venation (Arber) . . . 489 
Phyllodic anatomy in Pontederiaceae (Arber).490 
Sagittaria (Arber).492 
Types of tracheides and vessel-segments (Bailey and Thompson) . 505 
