322 
Holden . — Observations on the 
Figs. i-8. Figs. 1,2,3, successive stages in the growth of the normal seedling, showing the whorl 
of four lateral roots at the junction of hypocotyl and tap-root. Fig. 4 a, older seedling viewed in plan, 
showing the relationship of the cotyledons and the epicotyledonary leaves at the first two nodes. 
Fig. 4^, the same in lateral view, one cotyledon removed. Figs. 5 a , b , c , different aspects of a typical 
syncotyl for comparison with Figs. 4 a , b. Fig. 6, side view of a Group II seedling. Figs. 7 a, b, two 
views of a Group II seedling with peltate cotyledon. Figs. 8 a, b, c , seedling with unequal cotyledons 
and a whorl of three asymmetrically placed rootlets. 
