274 Postelsia 
Plate 
1. Cross section of the lamina with one 
side in fruit showing the elongated paraphyses 
with the shorter blacker gonidangia. B. & L. 
(010) a ey OO 
2. A typical holdfast enlarged about three 
times. At the lower side of the figure there is 
a branch lke that shown in Figure 3. 
