ble to values of m aronaytit there can be little doubt that here, as 
elsewhere, it is prior maturity that cage ceed parturition, 
: is cen 
ries, and that of maturity, explicative of divergence—by their na- 
ture so intimately allied among themselves and pervading each 
other, and both so eminently incorporated with the laws of devel- 
opment, generally, that we can claim these as quite sufficient, and 
very — to explain both the serial and ninteppatinl: law of 
Phyllotax 
Whorls. 
No doubt, the most perfect of verticillate positions of foliar éle- 
ments is found in tubular flowers. Among Monocotyledons we — 
have tubuliflorous forms, as Hemerocallis, Funkia, Amaryllis, 
Iris, Hedychium, Orchids (the tube being here coalesced with the 
it), which, nevertheless, show six elements in a double row—= 
3x2. Still they are fused into one circle, demonstrating that 
such fusion can take place among elements of unequal height on — 
ss) stem, or rather of unequal age and ‘eccentricity within ; 
re ae 
will have to show, whether the leaves of oils riginaly pring 
pss as ene or ype The latter is by far th : 
for the _ numbers ‘embodied 
otherwise be found t 
