IIta
in wh e th e r th e p e r ith e c ium is d eh isc en t, b u t, from it s structur
e a t th e centre, am in c lin ed to th in k th a t i t is n o t,— a circumstance
th a t would, as M. F r ie s ha s already observed, b ring
i t s t ill nearer to Leptostrovia.
The present plant, as well as Polythrincium Trifolii, are
here introduced for the first time to the British Flora.
Fig. 1. Plants, natural size, on a culm. Fig. 2. A portion q f the culm, with
plants. Fig. 3. A perithecium removed. Fig. 4. The same with the base
exhibited. Fig. 5. A perithecium divided. Fig. 6. Another portion, q f a
perithecium. Figs. 7- & 8. Sporidia; magnified.
J