258 



TRIBE TAXODINE.E. 



TRIBE-TAXODINE.E. 



Flowers monoecious, on different branches. Staminate flowers 

 solitary, spicate, paniculate or umbellate ; terminal or axillary ; 

 stamens spirally crowded. Scales of strobiles spirally arranged and 

 composed of two structures at first distinct, the ovuliferous scale and 

 a bract-like appendage which coalesces with it and becomes obliterated 

 in the mature ligneous, seed-bearing scale. Ovules 2 9, erect or 

 inverted. 



Leaves homo- or heteromorphic, persistent. 

 Staminate flowers solitary. 



Anther cells, 2. Strobiles globose with the 

 scales ascending, sub-acuminate at the 

 apex. 



Seeds 3 6 pendulous - 6 Athrotaxis 



Staminate flowers spicate. 

 Anther cells 3 5. Strobiles globose with 

 the scales ascending, sub-peltate and acutely 

 lobed at the apex. 

 Seeds 4 5 erect - 



Anther cells 2 5. Strobiles cylindric with 

 the scales horizontal and thickened into a 

 rhomboidal apex with a transverse depression 

 at the centre. 



Seeds 5 7 pendulous 8. Sequoia. 



Leaves homo- or dimorphic, deciduous. 

 Staminate flowers paniculate or solitary. 



Anther, cells 4 8. Strobiles globose or obovoid 

 with the scales imbricated, rugose and 

 obscurely mucronate. 



Seeds 2 erect 9. Taxodium. 



Leaves dimorphic, squamiform and cladodiform 

 (i.e., deciduous scale-like leaves and per- 

 sistent leaf-like structures that perform the 

 functions of foliation). 

 Staminate flowers umbellate. 



Anther cells 2. Strobiles ovoid-cylindric, the 

 scales imbricated with a transverse ridge 

 beyond the middle and not thickened at 

 the apex. 



7. Cryptomeria. 



Seeds 7 9 erect - 



- 1 Sciadopitys. 





