ASPIDIUM ANGULARE. by 



5. — Proliferum, Wollaston. Found at Wimbledon, by Mr. 

 Choules, and near Ottery, St. Mary, Devonshire, by Mr. Wollas- 

 ton. Known in cultivation as Angustatum. Proliferous, bearing 

 bulbils at the point of junction of the pinnse with the rachis, and 

 occasionally in the axils of the pinnules. Tripinnate, pinnules 

 narrow and attenuated, and conspicuously stalked, deeply cleft, 

 and lobes widely separated. Very handsome. 



6. — Depauperatum, Wollaston. Found by Dr. Kinahan, in 

 Ireland. Fronds frequently mere skeletons; it occasionally pro- 

 duces bulbils. 



7. — Intermedium, Wollaston. Found near St. Mary's Cray, 

 Kent, by Mr. Robert Sim. It very closely resembles A. 

 aculeatum. 



8. — Prcem^orsum, Allchin. Found in Ireland, by Dr. Allchin. 

 Dwarf, pinnae laciniate and irregular. 



9. — Dissimile, Moore. Found in Kent, by Mrs. Delves. 

 Pinnse irregular. 



10. — Irregulare, Moore. Found near Nettlecombe, Somer- 

 setshire, by Mr. El worthy, gardener to Sir W. C. Trevelyan, 

 Bart. Pinnse very irregular. The lower pinnse have unequally 

 inciso-lobate pinnules. 



11. — Biserratum, Moore. Found near Brentford, by Mr. S. 

 F. Gray; also common in Jersey. Long stipes. A lax form, 

 with large broad pinnule, inciso-serrate : all but the anterior 

 lobe biserrate and aristate. 



12. — Alatum, Moore. Found in Somersetshire, by Mrs. A. 

 Thompson. Pinnules connected by a wing on both sides the 

 secondary rachides, on which they are decurrent. Pinnules 

 more tapering. 



13.^ — Imhricatum, Moore. Distinct and graceful. Frond two 

 feet in length, linear-lanceolate, in habit resembling A. lohatum. 

 Pinnaj short; apices blunt; pinnules crowded, blunt, and im- 

 bricated. A bulbil is found on the larger fronds, on the stipes 

 beneath the soil, and therefore each large frond is accompanied 

 by a small one. Found in Somersetshire, by Mr. Elworthy. 



14. — Incisum, Wollaston. Discovered in Sussex, by Mr. 

 Wollaston and Dr. Allchin. Grows four feet in length. Pin- 

 nules very dissimilar in size and shape. 



15 — Suhtripinnatum, Moore. Lower pinnules very deeply 

 pinnatifid. A common variety. 



VOL. VI. L 



