1913} YORK—DENDROPHTHORA 101 
- originate thus in or near the zone of elongation of the torus and 
extend upward from their place of origin, finally fusing with the 
bundles in the segments of the perianth. Other strands of tracheids 
pass upward from the plate of tracheids (text fig. 20, ¢p) near the 

DQ, 
QQ 
—— 
es 

Soe 
<sssassss CEI, 
<a Ta, 
_S 
Ny 
Ih 
= 
—— 
= 
Ss 
S = 1 





e eee 
= 

foes 





—Diagrammatic longitudinal section of flower at maturity of embryo 
of carpels; #, strands of tracheids connecting 
Fic. 
sac; te, ee of tracheids in inner 
ith 
walls 
tracheid tissue beneath ‘‘mamelon”’; 2, — 
bundle of sepal; ip, plate ay water trach 
= tracheids in middle region of carpels; s, tissue of sepal; ca, tissue of pele m, 
“mamelon”; 0, cavity of ovary. 
