LIST OF LIGNOGRAPHS IN VOL. I. 
(Illustrative of Fossil Botany.) 
PAGE 
. Sections of Recent Vegetables 
. Sections of Fern-Stems. 
. Nodule of Ironstone, enclosing 
a Fern Leaf . 
. Siliceous Frustules of Diato- 
macez, and Spicules of 
Spongille a+ 
. Fossil Gallionelle 
. Organic Bodies in Poreeiae 
Earth . 
. Microphytes fram the Tertiary 
deposits at Richmond, U.S. 
. Confervites Woodwardii 
. Chondrites Bignoriensis 
. Delesserites ores La- 
mourouxii 
. Moss and Ganierva in ae 
parent quartz 
. Equisetum Lyellii 
. Equisetites columnaris. 
. Calamites decoratus . 
. Calamites in Coal Shale 
. Pecopteris SiJlimani . 
. Pachypteris lanceolata . 
. Sphenopteris elegans 
. Sphenopteris nephrocarpa . 
. Sphenopteris Mantellii . 
. Cyclopteris trichomanoides 
. Neuropteris acuminata. 
. Glossopteris Phillipsii . 
. Odontopteris Schlotheimii 
. Anomopteris Mougeotii 
. Teniopteris latifolia. 
. Fig. 1, Pecopteris Murrayana 
2, Pecopteris lonchitica . 
. Lonchopteris Mantellii . 
55 
62 
69 
94 
96 
97 
98 
1¢1 
102 
103 
104 
105 
106 
107 
108 
110 
112 
112 
113 
113 
114 
115 
116 
116 
117 
118 
118 
118 
119 
LIGN. PAGE 
29. Fig. 1, Phlebopteris Phillipsii 120 
2, Phlebopteris propinqua 120 
30. Clathropteris meniscoides. . 121 
31. Caulopteris macrodiscus . . 123 
32. Base of a Trunk of a Sigillaria, 
with root... sis eel 26 
33. Sigillarie, in Coal Shale = age 
34. Sigillaria Saullii . . 129 
35. Silicified Stem of Sivillaria 
elegans ©.° .° 5° G's). geemenae 
36. Stigmaria ficoides . . . . 133 
37. Transverse section of Stigma- 
ria ficoides . . 135 
38. Erect Stem of a Siillara, 
with Roots . . - 136 
39. A Terminal Branch of a Lept 
dodendron . 138 
40. Lepidostrobi, the Fruit” of 
Lepidodendra . . . Jo lad 
41. Stems of Halonia and Kane 
from the Coal Formation . 144 
42. Asterophyllites equisetiformis 147 
43. Fig. 1, Sphenophyllum Schlo- 
theimi - ). 4 ose 
2, Sphenophyllum erosum 148 
44, Fossil Fruits, or Seed Vessels 149 
45. Foliage and upper part of the 
Stem of Cycas revoluta 
(recent) #2. ~ 150 
46. Part of a leaf of Pterophyllum 
comptum. . . - 152 
47. Part of a leaf of Zamites ae 
MAIS Teen wed . 153 
48. Fruit of Zamites Mantellii . 154 
49, Fossil Fruits of Cycadeous 
ePlants. . .° «se. ne! 
