Section Vii. Leaves 49

Sec. 1. LEAVES AS FOLIAGE 49

Parts and Venation 50 Forms as to general outline 52 As to apex and particular outline 53 As to lobing or division 56 Compound, Perfoliate, and Equitant Leaves 57 With no distinction of Petiole and Blade, Phyllodia, &c. 61

Sec. 2. LEAVES OF SPECIAL CONFORMATION AND USE 62

Leaves for storage 62 Leaves as bud-scales 63 Spines 64 and for Climbing 64 Pitchers 64 and Fly-traps 65

Sec. 3. STIPULES 66

Sec. 4. THE ARRANGEMENT OF LEAVES 67

Phyllotaxy 67 Of Alternate Leaves 69 Of Opposite and Whorled Leaves 71 Vernation or Praefoliation 71