MAS 
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188 NAIADES. 
dimentary one, being sudden, the tunic approaches to the 
leaves in structure, the teeth at its apex being like those of 
the leaves fuscous, and thus hints that the disposition of the 
male flowers in both, may probably vary.] 
Other bodies also are formed, which square with our pistil- 
lary theories, but a close examination shews that the centre 
is united to the lateral ones at unequal heights, hence I con- 
sider these 3-lobed bodies, as young summits of axis. 
This however is not quite satisfactory, for the nucleus is as 
much developed as the lateral lobes. 
5. Naias seminuda Gr. CCLVI. 
l. But not a good figure, being too large, and the teeth 
conspicuous. 
2. Fruit or nodus of the axis, l leaf shelters a female 
flower, the second the continuation of the axis, the 
third, a small branch. 
3. Female flower and its leaf. 
4. Portion of a leaf, in contrast with that of Naias. 
5. Female flower and rudimentary leaf or spatha. 
5a. Female flower, 55 shews upper the conducting tissue, 5c 
same separated. 
6. Ovulum, at a rather early period. 
7. Do. a little before fecundation. 
8. Ovulum when fit for fecundation, 8a conducting tissue 
of footstalk or placenta. 
10. Female after impregnation. 
11. Long section of ovulum, through the testa of the same. 
12. Nucleus of the same removed. 
13. Upper $ of nucleus and inner tegument. 
14. Ovulum sometime after fecundation, 14a same : part of 
apex of inner tegument, and upper } of nucleus. Em- 
‚ bryo just being developed. 
15. More advanced, l5a same 4 testa longitudinally re- 
moved, 
