THE LASTREAS 



159 



F'g- T 75' L. m. cristata. 



Crist ata (Fig. 175). — Found in Monmouthshire by Mr. T. H. 

 Thomas ; frond heavily tasselled, pinnae much less so ; also by 

 Mr. J. M. Barnes, a finer form. 



Cristato-gracile Druery. — A very fine slender, crested form 

 found at Sticklepath, Dartmoor, by the writer. 



Curvata. — A form with deflexed pinnae, found several times. 



Filifera. — Most remarkable forms raised by Mr. J. Wiper ; 

 pinnules deeply incised, and points extended into threads. Bul- 

 biferous at base. 



fig. 176. L. in. furcans (pinna). 



Furcans (Fig. 176). — Found by Mr. Monkman at Bowness ; 

 fronds and pinnae tips divided into several. 



Gracilis. — Found Hawkshead by J. Wiper ; beautifully cut 

 pinnules. 



Grandiceps Barnes. — Raised by Mr. Barnes ; very heavily 

 tasselled. 



G. Smithies. — A very fine form found in Long Seddale by Mr. 

 Smithies, who had previously found a less marked form at Martindale. 



Nowelliana (Fig. 177). — Found by Mr. J. Nowell and Mr. A. 

 Stansfield in N. Wales ; a very curious form with much reduced, 

 saw-toothed, irregular pinnules, and long, acutely pointed and 

 sometimes forked pinnae. 



Plumosa. — True plumose forms, very foliose, barren, and finely 

 cut, have been found by Mr. T. Airey, Mr. G. Whitwell, Dr. F. W. 

 Stansfield, and the writer. The finest of all is that of Dr. Stansfield, 

 found in Wales, 1909 (see Fig. 178). 



Polydactyla. — Numerous finds, tips divided into pointed crests. 



