256 ORCHIDES. 
7. Vertical view of the same column, a a a the broader 
teeth, 5 c abortive stamina, d filament of posticous per- 
fect one, c c stigmata opposed to the two abortive sta- 
- mens, d ethat opposed to the perfect stamen, and having 
a rostellar form. 
8. Long section of column, а a broader teeth, 5 perfect 
anther filament of, c one of the lateral stigmata, d rost- 
tellum. This shewsa tendency in the pollen tube cords 
to pass over to the stigmatic surface of the most perfect 
stigma. 
9. Longitudinal section of another column, a a broadest 
teeth, 4 one of the abortive stamina, с filament of perfect 
stamen, d rostellum, e e lateral stigmata. 
10. Abortive stamen 5, of fig. 5. 
11, 12. More developed do. 11 belongs to fig. 5. 
13. Lateral view of perfect anthers. 
14. Front of ditto. 
15. Back of ditto. 
16. Do. loculi somewhat separated. 
17. Vertical view of an anther.  Pollenia in situ. 
18. Lateral view of do. Pollenia in situ. 
19. Partium situs et alternatis. 
In another monstrosity which Dr. Falconer seems to re- 
gard as intermediate between the above and the usual form of 
Dendrobium, some very remarkable facts presented them- 
selves. 
In this the lower division of the inner series is as perfectly 
labellar as in the ordinary forms of D. fimbriatum, and the 
column invariably limited, othewise it is a good deal like 
that of D. normale, the broader teeth opposed to the lateral 
petals being equally conspicuous. The number of portions 
of which the ovarium is composed, in one instance bore as 
marked a relation with the number of the divisions of the pe- 
rianth. For in that case no lateral petals were developed, 
and the visible cords amounted only to four, of which the 
smaller ones referred to the labellum, the three larger ones to 
the 
