CONTEXTS 



IX 



2. Spore-producino; members 



Microsporangium 

 Megasporangium 



3. Gametophytes . 



Female gametophyte 

 Male gametophyte 

 Fertilization . 



4. Embryo 



5. History and distribution 



6. Relationship to other gymnosperms 

 Literature cited 



pa<;e 

 190 

 IQI 

 194 



20.3 

 203 

 206 

 209 



210 



216 



217 



Chapter VI. Coniferales (Pinaceae) 



1. Vegetative organs 



Vascular anatomy 

 Leaf .... 



2. Spore-producing members 



Microsporangium 

 Megasporangium 



3. Gametophytes . 



Female gametophyte 

 Male gametophyte 

 FertiHzation . 



4. Embryo 



Proembryo 

 Suspensor and embryo 



5. Distribution 



6. History .... 



7. Interrelationship of tribes 



8. Relationship to other gymnosperms 



220 

 222 

 228 

 235 



238. 



240 



244 



259 



259 



272 



284 



287 

 288 



295 



301 



308 

 309 



Chapter VII. Coniferales (Taxaceae) 



I. Vegetative organs 

 Vascular anatomy 

 Leaf 



313 



315 

 315 

 317 



