41, 42 Hedysarum esculentum, showing stipules connate for their whole lengths

Onobrychis sativa, showing stipules connate for the
greater part of their lengths

31

43, 44

45

Shoot of Pondweed, showing Intrapetiolar Stipules
(after Bentham).

33

46

Ocrea of Polygonum (after Gray)

33

47,48

End of Shoot of Hop, showing connate Interpetiolar
Stipules

34

59-63 Leaf Development in Aucuba japonica . 64-79 Leaf Development in Common Laurel

41

44

46

48

49

Leaf Development in Galium Mollugo (after Eichler).
Leaf Development in the Plane (after Eichler).
Diagrams illustrating Vernation (after Linnæus)
Shoot of Uvaria purpurea (after Potter)

60

61

63

70

107, 108

109

Young Leaves of Hypericum calycinum
Shoot of Berberry.

71

72

114

115

116, 117

Bud Protection in Citharexylum quadrangulare

Bud Protection in Rhus glabra (after Feist).

Bud Protection in Kalmia latifolia

76

77

77

118, 119

120

121, 122

Bud Protection in Kalmia latifolia (after Feist)

Bud Protection in Actinidia colomicta (after Feist)

Bud Protection in Philadelphus (after Feist)

78

79

80

140, 141 Development of Glandular Hairs in Plane (after

94

101

103

106

Winter-buds of Ash

166-172 Bud-scales of Lilac

173-177 Winter-bud of Salix Caprea.

107

109

111

318

Transverse Section of Stem of Pansy (after Colomb).

207

319 Transverse Section of Stem of Galium Aparine (after

Colomb)

208

FIG.

320

Ocrea of Plane

PAGE

208

321-326 Transverse Section of Stem of Plane (after Colomb) 209, 210 327-331 Transverse Section of Stem of Polygonum lapathi

folium (after Colomb)

211-213

213

213

217

219, 220

221

229

335-338 Seed, Germination, and Seedling of Genipa clusiæ

339

340

folia

Seedling of Species of Psychotria .

Longitudinal Section through Leaf-insertion of Horse
Chestnut (after Schwarz)

BIBLIOGRAPHY

N.B.-The numbers correspond with the references in the text.

1. POTTER, M. C.

Observations on the Protection of Buds in the Tropics. Journ. Linn. Soc. (Bot.), xxviii. 343 (1891).

2. VAUCHER, J. P. Sur la sève d'Août et sur les divers Modes de Développement des Arbres. Soc. Phys. et Hist. Nat. Genève,

i. 296 (1822).

3. TRISTAN, J. Mémoire sur les Développements de Bourgeons. Journ. de Physique, 1813, 401.

4. STEINHEIL, AD. Observations sur le Mode d'Accroissement des Feuilles. Ann. Sci. Nat. (ser. 2), viii. 257 (1837).

·

5. DE MERCKLIN, C. E. Développement des Feuilles. Ibid. (ser. 3), vi. 215 (1846). (An abridged translation of his work, Zur Entwicklungs. d. Blättgestalten.' Jena, 1846.)

6. TRECUL, A. Mémoire sur la Formation des Feuilles. Ibid. xx. 235 (1853).

7. SCHACHT, H. Anatomie und Physiologie, ii. (1854).

8. EICHLER, A. Zur Entwicklungsgeschichtes des Blattes (1861). 9. GOEBEL, K. Beiträge zur Morphologie u. Physiologie des Blattes. Botan. Zeit. xxxviii. 753, &c. (1880).

10. BENJAMIN, L. Ueber intrapetiolare Knospenbildung. Ibid. x. 201, &c. (1852).

11. NAUMANN, A. Beiträge zur Entwicklungsgeschichte der Palmenblätter. Flora, lxx. 193, &c. (1887).

12. GREW, N. Anatomy of Plants, 32 (1672).

13. FEIST, A. Ueber die Schutzeinrichtungen der Laubknospen dicotyler Laubbäume. Nova Acta Acad. Caes. Leop.-Car.

li. 303 (1887).

14. GROOM, P. On Bud-protection in Dicotyledons. Trans. Linn.

Soc. (ser. 2, Bot.), iii. 255 (1893).

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