GYMNOGRAMME. 



269 



pinnules (leafits) overlapping ; they are of a soft texture, deep green and 

 slightly powdered above, and very densely covered beneath with silvery- white 

 farina. The sori (spore masses) are deeply immersed in the farinose powder, 

 — Hooker, Filices Exoticce, t. 74. Nicholson, Dictionary of Gardening, ii., 

 p. 105. Lowe, New and Rare Ferns, t. 5. 



G. p. Wettenhalliana— Wet-ten-hal-li-a'-na (AYettenhall's), Moore. 



This useful and highly decorative variety, of garden origin, differs from 

 the foregoing species mainly in the crested form of its fronds, which are 

 of smaller dimensions than those of G. pulchella, but otherwise very similar 



f/g, 69, Frond of Gymnogramme pulchella Wettenhalliana 



(much reduced). 



in division (Fig. 69). In good varieties the fronds, which have their 

 extremities ornamented by a large corymb, bear also dense crests at the 

 points of all their leaflets. The leafy portion is rather contracted, and 

 the whole plant, which is naturally of a stiiF habit, is copiously covered 

 with a pale sulphur -coloured powder. This variety does not reproduce itself 

 true from spores. — Hooker, Synopsis Filicum, p. 385. 



G. (Eugymnogramme) pumila — Eu-gym-nog-ram'-me ; pu'-mil-a 

 (small), Sprengel. 



A stove species, of very small dimensions, native of the West Indies 

 and Guatemala, and thoroughly distinct through its little simple (undi\dded) 



