Douglasiane. | N. O. Filices. 
DCCCCXLYV. 
Potyropium (Ctenopteris) PELLUCIDUM, Kaulf. 
- Var. bipinnatifidum. 
We have noticed this plant under the description of the 
preceding Plate (Tab. 944), and have there inserted the 
synonym of our Pol. myriocarpum, Tab. 84 of the present work. 
Our representation is now accompanied by a magnified figure, 
showing the character of the venation, and proving that it is 
of the same nature as that of the true P. pellucidum. It is, 
indeed, an exceedingly variable species: but our Herbarium 
exhibits specimens which clearly show the passage from one 
to the other, and the present can only be considered a 
bipinnatifid variety of that species. All the varieties appear to 
be found in the same island, Oahu—but they are probably 
by no means confined to it. 
Fig. 1. Fertile lobe, seen from beneath, showing the vena- 
tion and the clavate tips to the veinlets :—magnified. 
