CONIFERS 



551 



Hypocotyl erect, quadrangular, glabrous, 5 mm. long, light green. 

 Cotyledons two, linear, acute, entire, sessile, slightly tapering 

 towards the base, glabrous, light green, one-nerved. 



FIG. 676. Thuja gigantea. Nat 



Stem ascending, herbaceous, ultimately woody, quadrangular, 

 light green ; 1st internode very short ; 2nd and following ones con- 

 siderably longer. 



