25. SILVERY SPLEENWORT
Asplenium thelypteroides
Large, fronds once-pinnate, pinnæ deeply pinnatifid, lobes oblong and obtuse, fruit-dots oblong, silvery when young. In rich woods. P. [124].
26. RUE SPLEENWORT
Asplenium Ruta-muraria
Very small, fronds loosely 2-3 pinnate at base, pinnatifid above, fruit-dots linear-oblong, confluent when mature. On limestone cliffs. Rare. P. [126].