194 NAIADES. 
mentary leaf; at k its sheath, also bearing the rudiment of a 
bud; at / the female inflorescence, always most central. 
This figure also shews the dehiscence of the stamen, and the 
way the sheath is occupied partly by pollen. 
The exsertion of the stigmata by actualrupture of the va- 
gina is a curious point, and one to which I have not attended 
at fig. 2, the same, stamen detached. 
2, a represents the outermost or primary leaf, b the vagina, 
с the elongation of the axis, d the single supplementary leaf, 
e its scale, f the male flower. 
At 3, the same, the supplementary leaf of female not shewn, 
the same figures have the same references. 
At 4, a outer leaf, b sheath, c elongation of axis, d one sup- 
plementary leaf, e sheath, f anthers, g second supplementary 
leaf, A its leaf, ? female inflorescence. 
At 5, Young ovule. 
Zanichellia continued Pl. CCLV. 
1. Plant natural size. 
2. Portion of flowering branch; at а the primary leaf of 
the node ; 6 the sheath, or bud-scale protecting the pro- 
longation of the axis, seen at B.—c one supplementary 
leaf, d bud scale of its bud, e stamen, f second supple- 
mentary leaf ; at g its bud-scale; л female inflorescence, 
this at the epoch of maturity. 
At the lower node the same letters have similar references, 
but only the male flower is developed the solution of the cells 
of the anther, and the persistent and elongated filament are 
shewn. 
З. Outer leaf and sheath removed; at a sheath of leaf, В 
nearest the female flowers, at d sheath of leaf, e nearest 
the male flower, at f setze, at g bud of scale d, at c 
male flower, at ё female flowers. 
4. A supplementary leaf with its sheath which embraces 
the stamen as if it had a tendency to become a spatha. 
