Fig. 7, the calyx with the front portion removed, showing 
the stipitate pistillum : nat. size; Fig. 8, the stigma; Fig. 9, 
a longitudinal section of the lower portion of the calyx, 
showing the half of the persistent stipitate remains of the 
corolla, and the ovarium seated on its stipitate 4-lobed 
glandular disc: both magnified : Fig. 10, the capsule after 
dehiscence, inverted by its persistent calyx ; Fig. 11, a trans- 
verse section of ditto; Fig. 12, the dissepiment with its 
thickened placenta bearing the seeds, detached from the 
valves ; Fig. 13, seeds: all nat. size; Fig. 14, a longitudinal 
section of a seed in two directions; Fig. 15, the embryo 
extracted from the albumen, seen in front and sideways, and 
a case of most rare occurrence with three cotyledons: all 
much magnified. 
PLATE XXII. 
Gives a figure of Nicotiana cirrhoides. Fig. 1, the corolla 
cut open; Fig. 2, the calyx and pistil; Fig. 3, ditto with the 
calyx cut open and thrown back: all nat. size; Fig. 4, thé 
stigma; Fig. 5, the ovarium seated on its 4-lobed glandular 
disc, with the calyx cut away: both magnified; Fig. 6, the 
capsule after dehiscence, invested by its persistent calyx ; 
Fig. 7, seeds: both nat. size; Fig. 8, a seed, seen side and 
edgeways: magnified; Fig. 9, longitudinal section of ditto ; 
Fig. 10, section of albumen; Fig. 11, the embryo extracted ; 
more highly magnified. q 
