NAIAS. 189 
6. Naias seminuda, Gr. Pl. CCLIII. 
1. Ovulum further advanced, upper parts of testa, and in- 
ner tegument removed, the extreme apex of inner tegu- 
ment adhering to apex of nucleus. 
2. Vertical of apex of nucleus, shews its radiated struc- 
ture; the mammilla is due to apex of the inner tegu- 
ment. 
3. Apex of inner tegument separated almost entirely, 
a boyau is just seen passing it to apex of nucleus, 
at a 
4. 4a. Embryo separated, 44 funicle do. with an amorphous 
substance sticking to it: the last is not always seen. 
5. Nearly ripe fruit, 6 nearly ripe seed 4 testa longitudi- 
nally removed. 
7. Nucleus of do. base and apex of inner tegument re- 
maining. 
8. Embryo. 
9. Young male, 9a do. opened by pressure, shews that 
the anther is enclosed in a bi-lobed tunic, or perianth. 
10. More advanced, 11 more advanced, lla apex of peri- 
anth separated, 12 males after dehiscence, perhaps only 
occasionally. 
13. 13, Pollen. 
14. Apex of an axis. 
15. Portion of apex of an axis, a axis developing, 5 female 
flower; e male. 
16. Portion of a ditto, young male and female? with a 
young leaf. 
17. Four young flowers ; which is the male, and which the 
female ?. 
18. Young female, 19, 20, 21 its stages of development 
20a ovule of 20, 21a ovule 21. : 
22, Still younger female, 22a as seen under light pressure. 
These should have preceded No, 18 
