56 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
POPULAK SCIENCE KEYIEW. 
2. Melampyrum pratense. Longitudinal section, (a) ring of glandular 
hairs ; (b) filament of anterior stamen, on which the bee presses 
laterally ; (c) posterior filament. 
3. Teucrium scorodonia. Just expanded. The anthers full of pol- 
len, dehiscent in front, and anterior to the style. 
4. Teuc. scor. At a later period. The anthers empty, thrown hack 
with the filaments $ the style inclined forwards. 
5. Digitalis purp. All the anther lobes horizontal and not yet open. 
6. Digitalis purp. The upper anthers with their lobes vertical and 
dehiscent. The lower anthers still horizontal. 
7. Digitalis purp. The lower anthers also with vertical dehiscent 
lobes. 
8. Origanum vulgare. The style yet immature. 
9. Gesneria sp. ? (a) Just open and with anther disk in front of the 
stigma j (d) anther disk. ( b ) Later stage — anther disk (d) 
against anterior wall. 
10. Gesneria sp. ? Seen from front, a piece of the corolla having been 
removed ; ( d) anther disk in front of stigma ; (e) style, the stigma 
hidden by the disk. 
