16£ CYATHEA DEALBATA. 



Native of the northern and middle islands of New Zealand. 



The fronds, which are bipinnate, and sometimes again pinnate 

 at the base, are glabrous, and somewhat lanceolate in form; 

 pinnules narrow, lanceolate, acuminate, and profoundly pinnatifid; 

 segments falcate and serrated. 



Stipes scaly and muricate, and more especially so at the base; 

 rachis covered with ferruginous deciduous down. 



Fronds terminal, adherent to an erect caudex or trunk. 



Veins pinnate; venules direct and free. 



Sori copious, placed midway between the costa and the mar- 

 gin ; involucres globose, membranaceous, and rising from a raised 

 receptacle. 



Length of frond from five to seven feet; colour a bluish green 

 above, and very glaucous beneath. 



Humboldt, in his "Views of Nature," mentions that "Ernst 

 DiefFenbach saw in the most northern of the three islands of 

 New Zealand, trunks of Cyathea dealbata rising to the height 

 of forty-two feet and a half." 



For fronds my thanks are due to Mr. Joseph Henderson, of 

 Wentworth; Mr. J. Veitch, Jun., of Chelsea; Mr. Smith, of the 

 Royal Gardens, Kew; Mr. Moore, of the Glasnevin Gardens, 

 Dublin; and Mr. Sim, of Foot's Cray. 



It may be procured of Messrs. E. G. Henderson, of St. John's 

 Wood; Messrs. Veitch, of the Exotic Nursery, Chelsea; Sim, 

 of Foot's Cray; and Stansfield, of Todmorden. 



The illustration is from Mr. Joseph Henderson's fronds. 



