ANALYTICAL DRAWINGS OF THE MALLOW AND PARIETAL 
ORDERS — continued. 
In the third line, Fig. I is a flower of the Tutsan ( Hypericum Androscemum 
Linn6) seen from above, natural size. It will be observed that the five tufts of 
stamens lie between the petals. Fig. 2 is the same flower, seen sideways, with two 
petals removed, at a stage when the stigmas have already been pollinated and the 
three styles are withering. Fig. 3 shows the young fleshy capsule, still retaining its 
styles and green calyx ; Fig. 5, the same in longitudinal section ; Fig. 4, a ripe fruit 
dehiscing ; and Fig. 6, a transverse section of the ovary, showing it to be one- 
chambered with three prominent parietal placentas, each bearing several vertical 
rows of ovules. It was largely the consideration of Mrs. Perrin’s three dissections 
of the ovaries of the Tutsan, the Marsh St. John’s-wort, and of the Square-stalked 
species ( Hypericum Androscemum Linne, H. elodes Linne, and H . quadrangulum Linne), 
here seen as the sixth figure in these three rows, that inclined me to separate these 
forms under the three genera commonly recognised on the Continent as Androscemum, 
Elodes, and Hypericum sensu stricto. 
In the fourth line, representing the Marsh St. John’s-wort ( Hypericum elodes 
Linn6), Fig. 1 is a flower seen from above, natural size ; Fig. 2, the calyx, also 
natural size ; Fig. 3, the same enlarged to show the marginal fringe of red glandular 
hairs ; Fig. 4, the essential organs, seen laterally and enlarged ; Fig. 5, the same 
later, with the three clusters of stamens united for much of their length ; and 
Fig. 6, a cross section of the ovary, similar to that in the Tutsan. 
In the fifth line, representing H. quadrangulum Linne, Fig. 1 is a flower seen 
from above, slightly enlarged ; Fig. 2, the calyx, natural size ; Fig. 3, the three 
deeply-divided staminal clusters ; Fig. 4, the young gynaeceum, showing the 
divaricating styles ; Fig. 5, a longitudinal section of the gynaeceum enlarged ; 
Fig. 6, the same in cross section, showing the central placentation ; Fig. 7, a 
fruit, natural size ; Fig. 8, the same dehiscing ; and Fig. 9, the empty valves 
seen from above. 
The sixth line of figures represents Tamarix anglica Webb, the Tamarisk, all the 
figures being necessarily enlarged. Fig. 1 is a flower ; Fig. 2, the calyx and 
gynaeceum ; Fig. 3, a flower in longitudinal section, showing the hypogynous disk 
and the flask-shaped gynaeceum ; Fig. 4, a fruit ; Fig. 5, the same dehiscing, 
showing the tufts of hair on the seeds to be shorter than the valves of the 
capsule ; and Fig. 6, a seed. 
The last line of figures represents the Rock-rose (Helianthemum Chamcecistus 
Miller), Fig. 1 being a flower seen from above ; Fig. 2, the same seen from below ; 
Fig. 3, a flower with its petals removed ; Fig. 4, the calyx closing round the ovary ; 
Fig. 5, the capsule bursting into three valves as seen from above ; and Fig. 6, the 
burst fruit, with persisting calyx and disclosed seeds. The first five figures are of 
natural size ; the sixth, enlarged. 
