326 



Scientific Proceedincfs, Royal Dublin Society. 



in outline, 60-76ju wide, and consisting of a shield of 6-S cells on 

 a short stalk, are frequent, and are observable even with the lens on the 

 counterpart impression through becoming detached from the leaf-surface 

 (PI. XII, figs. 1-2). These peltate scales and the cuticular striae have not been 

 found previously in Dewalquea, and must be taken into account in considering 

 its systematic position. 



Fig. 1. — Lewttlquea hibernica § Restoration. 



Fig. 2. — J)./ra.!:iHi/o^!a y Eesloration. Fig. 3. — J), deitticulata { 'Restontion. 



We propose to call the specimen just described J). Mb 



hibernica. There are 



