72 
Beer. — On Elaiop lasts. 
Fig. io. Later stage; substance of elaioplast becoming distributed through the cell, x 600. 
Fig. 11. Mature corolla-hair. Yellow pigment-material derived from elaioplast completely 
distributed through the cell. X 650. 
Fig. 12. Green elaioplast from anther after two days in dilute Iodine solution. Oil-drops have 
been exuded at the surface. Starch (shown in the figure as black grains) contained in the yellow- 
stained matrix, x 600. 
Fig. 13. Elaioplast from corolla-hair in -6 per cent. NaCl after gently warming on slide over 
spirit-lamp. X 650. 
Figs. 15 and 16. Two neighbouring cells from plate of pappus. In Fig. 15 the chloroplasts 
are scattered, whilst in Fig. 16 they are massed into a loose clump. Note oil-drops within the 
chloroplasts (represented as black dots), x about 600. 
