net, and others, abound with imaginary fpecies ; moft of
which, however, by the more accurate obfervations of the Botanifts
of the prefent age, are again reduced to their originals.
For the fatisfaftion of thofe who defire further information,
I have Iigured feveral varieties in Tab. 2.
In Ophiogloflum vulgatum there is a variety which produces
feveral feed-fpikes as in Tab. 2.. Fig. 1.
In Afplenium trichomanes there is a variety, having the
leaves divided into feveral lobes, which are crenatcd on the
extremities in an elegant and beautiful manner. Tab. 2. Fig. 2.
In very moift and rich fituations, the leaves of Afplenium
viride fometimes become proliferous, throwing out other
leaves from their ftdes. Tab. 2. Fig. 3. In this ftate it has been
conftdered as a fpecies, 7^^ Sp. PI. 1541 , where it is called
Afplenium trichomanes-ramofum.
There is a variety of Afplenium marinum, wherein the
lobes are divided and fubdivided, as in Tab. 2. Fig. 4. This
has been named Adiantum trapeziforme.
The Polipodium cambricum. Tab. 2. Fig. 5. a, is now
known to be a variety of Polipodium vulgare. There is alfo
another variety of the fame plant lately difcovered by my
efteemed friend Mr. Alexander, of Halifax, in a wood near
Bingley, Tab. 2. Fig. 5. b.
There is a tall flender variety of Polipodium fragile, Lvhich
has been taken notice of, and termed Polipodium rheticum ;
fee Tab. 2. Fig. 6.