if ':? HI * 



.' \. j fc 



t, V 



& I 



PLATE 39. CUPRESSUS GOVENIANA. Tangential section showing the very broad 



and low medullary rays, x 52 



PLATE 40. JUNMPERUS CALIFORNICA. Transverse section showing the char- 

 acter of the growth rings and the distribution of the resin cells. X 46.8 



