PLATE 41 
\ 4, 
4 
(NA) 
NW 
49 
M 
98) 
W/ 
ue 
¥ 
mn) 
\ 
4 
NY 
iN 
Wiss hin Mir dh rors 
FUDD 
SPIRAL VESSELS 
1. Single spiral vessel of pumpkin stem (Cucurbita pepo, 
L.). 
2. Double spiral vessel of squill bulb (Urginea maritima, (L.] Baker). 
3. Triple spiral vessel of eucalyptus leaf (Eucalyptus globulus, Labill). 
