30 A USTRALIAN BOTANY. 



into lateral segments, the divisions extending nearly to the central rib. 

 Other examples : Poppy and celandine. 



Figs. 3 and 4. Phyllode. — A leaf-like stalk, enlarged so as to 

 resemble a true leaf. In the diagram, fig. 3 shows the true leaf of a 

 wattle ; fig. 4, the phyllode. Many wattles are examples. 



Fig. 5. RENIFORM or kidney-shaped leaf of kidney-weed. — The 

 kidney-fern of New Zealand and Pelargoniums are examples. 



Fig. 6. Cordate or heart-shaped leaf of native Fuchsia {Correct, 

 speciosd). Examples : — Violet, periwinkle. 



Fig. 7. Orbiculate or circular leaf of another kind of native 

 fuchsia — Correct alba. — Quince, native mint-bush (round-leaved). 1 



Fig. 8. Peltate or shield-like leaf of Nasturtium. Lotus-lily, royal 

 water-lily. 



Fig. 9. Oblong, ovate, oval, or elliptical. — New Zealand 

 laurel, edging or border box, some Magnolias, native or spurious 

 sarsaparilla, kangaroo grape-vine. 



Fig. 10. Palmate leaf of castor oil plant. 2 — Palmate or palmatifid 

 leaves have radiating venation, and are divided into lobes. Flame- 

 tree, plane, sycamore, rice-paper plant. 



Fig. i 1. Trilobed or three-lobed leaf. — Most of the passion-flowers. 



Fig. 12. Ternate. — Strawberry, Japanese Anemone, some of the 

 wood-sorrels. 



Pig. 13. Sinuate. — Queensland tulip-tree, firethorn-nightshade. 



Fig. 14. Hastate or halbert-shaped. Sea-berry, many docks. 



Fig. 15. Sagittate or arrow-shaped. Nile-lily, Caladium, some 

 Arums. 



Fig. 16. Perfoliate leaf of ' diggers delight, ' — In this kind of leaf 

 the stem appears to pass through the blade of the leaf. Several 

 European honeysuckles. 



Fig. 17. Undulate or waved leaf of Victorian laurel. — The bay-tree 

 is another example. 



Fig. 18. Rhomboid or quadrangular. — Queensland diamond-leaf 

 laurel, native bower spinach, celery-pine. 



Digitate leaf. Examples : — Horse Chestnut, p. 129. 



1 In the first edition of this book, p. 19, the word globular was 

 improperly mentioned in the description of orbiculate leaf. The 

 former term is sometimes applied to fruits and roots. 



2 The leaf of the castor oil plant is, properly speaking, a peltate- 

 palmatifid leaf, because it is fixed to the stalk within the margin. If 

 the two edges nearest the petiole of most pelargoniums were joined, 

 the result would be a peltate leaf 



