CONTEXTS ix 



150. The Lily Family (Liliaceac) 39O 



151. The Iris Family (Iridacea.') 39O 



152. The Lily Order (Lihales or Liliiflora>J 39O 



153. The Orchid Family (OrchidaceK) 39I 



154. The Orchid Order (Orchidales or Micro.sperma?) 391 



155. The Alonocotyl Subcla.ss (ilonocotyledones) 391 



166. The Case-Seed Class (Angiospermii?) 39I 



157. The Pine P'amily (PinaceaO 392 



158. The Yew Family (Taxacea) . . [ 392 



159. The Pine Order (Coniferales or ConifcraO 393 



160. The Naked-Seed Class (Gymnospermie) 393 



161. The Seed-Plant Division (Spermatophvta) 393 



162. The Vegetable Kingdom (^'egetabilia)! 394 



CHAPTER XI 

 KINSHIP AND ADAPTATION 



163. The problem of origins 42g 



164. The doctrine of special creation 499 



165. The doctrine of organic evolution 431 



166. Acquired adaptations 44I 



167. Selected adaptations 445 



16S. Acquirement versus Selection 452 



169. Sudden adaptations 457 



170. Evolution by choice 4gX 



171. Evolution in general 4(34 



CHAPTER XII 

 LrFE-HISTORIES 



172. Cycles of life 470 



173. The Blue Algre (Class Cyanophycea?) 470 



174. The Green Algae (Class Chlorophycea;) 476 



175. The Brown Algie (Class Phceophycete) 485 



176. The Red Alga? (Class Rhodophycea^) - 487 



177. The Seaweed Subdi\-ision, Algte in general 491 



178. The Fission Fungi (Class Schizomycetes) 492 



179. The Yeast Fungi (Class Saccharomycetes) 495 



ISO. The Pin-mold Fungi (Class Zygomvcetes) 495 



181. The Water-mold Fungi (Class Ooniycetes) 499 



182. The Spore-sac Fungi (Class Ascomycetes) 499 



183. The S|)ore-base Fungi (Class Basidiomycetes) 501 



184. The Mushroom Subdivision, Fungi in general 503 



185. The Spore-sac Lichens (Class Ascolichenes) 504 



1S6. The Spore-base Lichens (Class Basidiolichenes) 508 



187. The Lichen Subdivision, Lichens in general .508 



188. The Thallophvte Division, Lobeworts (Thallophvta) 509 



189. The Liverworts (Class Hepatica?) 513 



190. The True Mosses (Class Musci) 519 



