420 



ADIANTUM CAPILLUS-VEXERIS;. 



divides near the top two or three times, forming a spreading 

 tuft of brief pinnate branches. In the lower portion of the 

 frond the pinnules are narrow and partially depauperated. 



Fig. 834.— Upper half of frond. 



HooKERii, Lowe. (Fig. 834.) — A remarkably slender form 

 of our British Maiden-hair, found in the Crimea. Minute and 

 slender in all its jiarts, with a close thick-set erect habit. Pinn?e, 

 pinnules, and pinnulets alternate. Stipes, rachis, and rachides 

 black. Pinnulets more rounded than wedge-shaped at the base, 

 and very finely dentate at the rounded apex. Sori inconsjjicuous. 

 My thanks are due to Dr. J. D. Hooker, Director of the 

 Royal Gardens, Kew, for a plant. 



