PlNACEAE 11 



without resin passages; moderate fluted buff twigs swollen at 

 intervals; continuous pith; no stipule scars; alternate per- 

 sistent ciliate scales whorled at the swollen nodes and each 

 then with a long linear phylloid shoot in its axil; monoecious 

 catkin- or cone-like naked flowers; and cones with several- 

 seeded scales. 

 "Leaves" green, grooved, revolute. S. verticillata. 



SEQUOIA. 



Evergreen percurrent trees branching from pits in the 

 thick bark, with ductless soft red wood without resin passages ; 

 alternate crowded decurrent scale-like but hard or flat entire 

 small leaves; no stipule-scars; monoecious catkin- or cone-like 

 naked flowers; and moderately small ellipsoid cones with 

 thick-tipped scales, each covering several steeds. 

 Buds naked: leaves scale-like, green. (Big Tree). S. gigantea. 

 Buds scaly: some leaves flat and spreading, these white- 

 lined beneath. (Redwood). S. sempervirens. 



CRYPTOMEEIA. 



Evergreen trees with reddish soft ductless wood without 

 resin-passages; angular twigs; small pointed 4-angled entire 

 decurrent alternate overlapping persistent leaves; no stipule- 

 scars; monoecious catkin- or cone-like naked flowers; and 

 small roundish cones with thickened scales, each covering 

 several winged seeds. 



1. Trees. 2. 

 Shrubs. 3. 



2. Leaves soft, mostly straight. C. japonica. 

 Leaves stiff, upcurved. C. japonica araucarioides. 



3. Leaves not coiled. C. japonica riana. 

 Leaves/ coiled. C. japonica spiralis. 



TAXODIUM. Bald Cypress. 



Deciduous percurrent conical (or in the swamps broad- 

 topped) trees with rather soft white or brownish ductless wood 

 without resin passages; slender twigs with very minute low 



