SYNOPSIS. 
15 
Willdenow^ Sp. PI. v. 521, date 1810. Hy. Wilsoni, 
Hook. Br. FI. 446. Bab. Man. 391. 
Order 111.— OSMUNDACE^. 
Very like the FilicacecB in appearance and in their circinate 
vernation. The capsules occupy the upper portion of the 
frond in crowded circular clusters, and form a dense panicle; 
the capsules are without the elastic ring ; the stalk of the frond 
is hard and woody. 
Genus Osmunda, Linneus. The characters those of the order. 
1. Os. regalis, fig. p. 331 of panicle only, p. 333 of entire 
frond. Linneus^ Sp. PL 1521, and Brit. aut. 
Order IV. — OPHIOGLOSSACE^. 
Roots very succulent and comparatively stout. Stem succu- 
lent, not woody ; vernation straight ; frond composed of two 
branches, the outer leafy, the inner entirely capsuliferous : cap- 
sules large, splitting transversely, totally without either the elas- 
tic ring or involucre. 
Genus Botrychium, Swartz. Young frond produced within 
the base of the old one, fertile branch of frond much divided, 
barren also divided. 
1. Bo. lunaria, fig. p. 337. Osmunda 1. Linneus^ Sp.Pl. 1519. 
Botrychium 1. of Brit. aut. 
Genus Ophioglossum, Linneus. Young frond produced ex- 
terior to the base of old one; fertile branch a simple erect stalked 
pointed spike, barren branch simple undivided. 
1. O. vulgatum, fig. p. 349. Linneus.^ Sp. PI. 1518, and Brit. aut. 
Order V. — LYCOPODIACEdE. 
Evergreen cryptogamous plants : the capsules sessile at the 
base of the leaves. 
Family, — Lycopode^. Club Mosses. 
Having a tough persistent stem beset with short hard leaves ; 
