CONTENTS. 
LECTURE XV. P. 116. 
ix 
The Seed. 
LECTURE XVI. P. 122. 
Germination of the Seed. 
LECTURE XVII. P. 127. 
Solid and Fluid parts of vegetables. 
LECTURE XVIII. P. 134. 
Bark, Wood and Pith. 
LECTURE XIX. P. 141. 
Vital principle. 
PART III. 
LECTURE XX. P. 148. 
Method of Tournefort. — System of Linnaeus. — Method of Jussieu. — 
Natural Method of Linnaeus. 
LECTURE XXI. P. 157. 
Comparison of Natural and Artificial Classes. — Characters used in 
classification. 
LECTURE XXII. P. 162. 
Natural Families. 
LECTURE XXIII. P. 176. 
Use of Botanical Names. — Artificial c lasses and orders considered in 
groups. — Classes 1st and 2nd. 
LECTURE XXTV. P. 182. 
Class hi. ; Triandria. — Class iv. ; Tetrandia. 
LECTURE XXV. P. 189. 
Class v. — Pentandria. 
LECTURE XXVI. P 195. 
Class Pentandria continued. Order Dygvnia. 
LECTURE XXVn. P. 199. 
Class vi. ; Hexandria, and Class vn. ; Heptandria. 
LECTURE XXVIII. P. 203. 
Class viii. ; Octandria. — Class ix. ; Enneandria. — Monogynia. 
LECTURE XXIX P.208. 
Class x. ; Decandria. 
LECTURE XXX. P. 212. 
Class xi. ; Icosandria. 
LECTURE XXXI. P. 215. 
Class xii. ; Polyandria. 
' LECTURE XXXII. P.219. 
Class xiii. ; Didynamia, and xiv., Tetradynamia. 
LECTURE XXXIII. ' P. 222. 
Class xv. ; Monadelphia. 
LECTURE XXXIV. P. 226. 
Class xvi. ; Diadelphia. 
LECTURE XXXV. P. 229. 
Class xvn.; Syngenesia. 
' LECTURE XXXVI. P/234 
Class xviii ; Gynandria. 
LECTURE XXXVII. P. 238. 
Class xix. ; Monoecia, and xx. Dioecia. 
