20 
Proceedings of the Royal Society of Edinburgh. [Sess. 
great part to sexual dimorphism, hut unfortunately the sex of the earlier 
Fig. 5. — Campanularia Icevis, trophosome and female gonangia. x 11. 
Dimensions . — 
Stolon, diameter 
Pedicel of hydrotheca, length . 
diameter 
Hydrotheca, length 
diameter 
Gonangium, length . 
greatest diameter 
length of stalk 
0*29-0'33 mm. 
up to 11 mm. 
0*2-0‘27 mm. 
2-2-2*7 mm. 
1*3-1 ‘5 mm. 
5’0-5*5 mm. 
1*3 mm. 
1 mm. 
