398 Transactions. — Botany. 



Plate XXXIV. 



F 



F 

 F 

 F 

 F 

 P 

 F 



F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 

 F 



ig. 48. First seedling leaf of Gunnera dentata, x 6. 

 g. 50. First seedling leaf of Ozothamnus depressus, x 6. 

 g. 51. Cotyledon of Ozothanuius depressus, x 6. 

 ig. 52. Adult leaf of Veronica linifolia, x 1. 



53. First seedling leaf of V. linifolia, x 6. 

 ^ 55. Early leaf of Veronica tetrasticha, x 6. 

 ig. 56. Adult leaf of V. tetrasticha, slightly changed by moist shady 



atmosphere, x 4. 

 ^ 57. Adult leaf of V. iei!ras^ic/ja, almost reverted to seedling form, x 4. 

 g. 58. Adult leaf of V. tetrasticha, intermediate between Nos. .56 and 57, 



59. Later seedling leaf of V. epacridea, x 6. 



60. Second seedling leaf of V. epacridea, x 6. 



61. Second leaf of Veronica pinguifolia, x 6. 



62. First leaf of Veronica travcrsii, x 4. 

 g. 63. Adult leaf of V. pinguifolia, x 1. 



g. 64. Late seedling leaf of V. pinguifolia, x 1. 

 g. 65. Adult leaf of V. epacridea, flattened out, x 1. 

 g. 66. Emarginate (abnormal) cotyledon of T'. traversii, x 6. 

 g. 67. Glandular hair of Ruhus australis, x 268. 

 g. 68. Hairs of Ricbus australis, x 268. 

 g. 69. Glandular tip of scipule of Coprosma acerosa, x 50. 

 ig. 70. Fifth seedling leaf of Sophora (Chatham Island var.), x 1. 

 ■- 71. Fifth seedling leaf of Sophora grandifiora, x 1. 

 .^. 72. Stipule of Coprosma acerosa, x 6. 

 g. 73. Leaf of wild seedling Aristotelia fruticosa, changed by conditions 

 of cultivation, x 1. 



Art. XXXIII. — On the Burning and Reproduction of Sub- 

 alpine Scrub and its Associated Plants ; loitli Special 

 Beference to Arthur's Pass District. 



By L. Cockayne. 



[Read before the Philosophical Institute of Canterbury, 4th May, 1898.] 



Plates XXXV.-XXXVII. 



Up to the present time no scientific account of the effect of 

 fire on New Zealand vegetation, illustrated by accurate obser- 

 vations, has been published. From time to time generalised 

 statements, founded on slight or insufiicient data, have ap- 

 peared in the " Transactions of the New Zealand Institute" 

 and elsewhere. Thus, for instance, the Eev. P. Walsh writes* : 

 " Nature makes a brave effort to reclothe the hills and gullies 

 of New Zealand in her verdant mantle, and if let alone would 

 bring her work to completion. Under favourable circum- 

 stances seedling trees soon make their appearance, and if 



* " On the Disappearance of the New Zealand Bush," by the Rev, P. 

 Walsh (Trans. N.Z. Inst., vol. xxix.,p. 496). 



