62 



PhotomicroofaphK of Botanical Studies. 



102. — L.S. Stem of " Euphorbia spliendens," Euphorbia. 



Cells containing ordinary 

 starch. 



^^^^rr^ M ^Cj^^l "" """'""" 



s vessel. 



^'^^i'^' * 7,l. //f |-^' y; ' -'"^^^ Dumbell-shaped starch grains. 



?iV i.'- '^ 



103. — L.S. Root, " Scorzonera hispanica." 



Primarj' ground tissue. 



Laticiferous vessels, with 

 coagulated contents. 



