FIG. 
24, 
25. 
26. 
aT. 
28, 
29, 
30. 
31. 
32. 
33. 
34, 
35 
36. 
37. 
38. 
39. 
40. 
41, 
42, 
43, 
43B. A 
44, 
45, 
46. 
47, 
48, 
49, 
50. 
51, 
52. 
53. 
LIST OF ILLUSTRATIONS 
Seed of the Petty Spurge and of the Sun Spurge ... 
Seed of the Wood Violet and of the Gorse ACE RE 
Seed of the Ragged Robin (Plate IT.) doe vee §=facing 
Fruit of the Ivy-leaved Toadflax 500 eee 
Seed of the Ivy-leaved Toadflax ... sos vee ane 
Fruitlet of the Storksbill nee see sob ee 
Seed of the Garden Scabious 360 
Seed of the Garden Scabious germinating noc awe 
Seedling of the Garden Scabious 
PART II 
Seedlings of the Herb Robert 
Seedlings of the Herb Robert, with abana’ of leaf. etalk 
Seedling of the Herb Robert, with roots ... “c 
Pores on the underside of the leaf of the Herb mohenk 
(Plate ITI.) .. sae -. facing 
Water-pipes of ie leafstalk ai the Herb Robert (in cross- 
section) (Plate III.) . Sc .. facing 
Water-pipes of the leafstalk of ae Herb Roheks (in longi- 
tudinal section) (Plate III.) ... wes oo. facing 
Leaf of the Herb Robert and of the Chickweed ... “ 
Glandular hair of the leaf, and of the stem of the Herb 
Robert = zee 
Glandular hair of the leafstalk of te Herh Rokers - ees 
Galls on the Speedwell.. ae aos soc 
Cluster-cups on the leaf of the Barberry (Plate IV. ) facing 
single Cluster-cup from the Stinging Nettle 
The Weevil - Beetle (Coeliodes) . ove 
Pollen grains of the Herb Robert, one of them evuitife 
the tube... vee 
Diagram of Pollination ie the Herb Robert ae 
Thrips cerealium (Plate IV.) ... oes ve «facing 
Fruits of the Herb Robert 
Diagram of the seed-throwing of the Hark Boner 
‘*Seed ” of the Herb Robert Arc 
The shingle variety of the Herb Robert ... 
Fruits of the Cut-leavyed Cranesbill before and after the 
seeds have been shot, and a single seed (Plate V.) facing 
Seedling of the Storksbill 
XV 
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