58 BRITISH FERNS. 
widely from its ordinary characters on our waste 
lands 
5. PARSLEY FERN. Crispus. 
ROCK BRAKES, » 
Allosorus crispus, Bernardi, B. F. 35, 39. 
~ Caudex procumbent, extending itself very slowly in 
a horizontal direction, and producing a succession of 
fronds from its crown: this procumbent or horizontal 
position appears rather the effect of age and the conse- 
quent want of power to maintain itself in an erect 
Position, rather than of any tendency to a creeping 
habit. The fronds unfold in May and June, and dis- 
are inflated or convolute, m hed; 
the midvein in each is flexuous and bears eight or ten 
lateral veins placed alternately ; these are divided 
shortly after leaving the midvein, and each bears a, 
