xxiv Edward Newman 



Gymnocarpium Eobertianum. 



1785. Polypoclium Dryopteris, Bolt. Fil. Brit. 53, t. 1. 



1795. Polypoclium Eobertianum, Hoffm. Deutsch. Fl. ii. 

 10. — " Fronde triangulari, foliolis ternis bipinna- 

 tis : pinnis pinnulisque inferne pinnatiiidis. Stipes 

 glaucus, uno latere sulcatus. Frons tenera. Uter- 

 que nudo oculo subtili tomento ad lentem brevissimis 

 glandulis obsitus. Odor debilis Geran. Eobert. Fruc- 

 tif. minuta." — Hoffm. I. c. 



1804. Polypodium calcareum, Sm. Fl. Brit. 1117, E. F. iv. 

 283, E. B. 1525 ; Newm. F. 131 ; Hook, and Am. 567. 



Lastrea calcarea, Newm. N. A. 17. 



Lastrea Eobertiana, Newm. F. 13. 



Polypodium ? calcareum, Bab. 409. 



Gymnocarpium Eobertianum, Newm. Phytol. iv. 371. 



Ehizoma creeping; stipes erect; frond elongate -deltoid, 

 glandular-mealy ; lower pinnse bix^innate, upper pinnae pin- 

 nate only ; colour dull green, stipes concolorous. 



Among loose stones in limestone districts, not common. 



Gymnocarpium Dryopteris. 



Polypodium Dryopteris. Linn. Sp. PI. 1555 ; Light/. Fl. 

 Scot. 678 ; Huds. Fl. Ang. 460 ; With. Arr. 780 ; Sm. 



E. F. iv. 283, E. B. 616 ; Mack. Fl. Hib. 338 ; Newm. 



F. 123 ; Hook, and Am. 567. 

 Poljrpodium Dryopteris, Bolt. Fil. Brit. 52, t. 28. 

 Polysticlium Dryopteris, Roth. Fl. Germ. iii. 80. 

 Lastrea Dryopteris, Newm. N. A. 15, F. 13. 

 Polypodium ? Dryopteris, Bab. 409. 

 Gymnocarpium Dryopteris, Newm. Phytol. iv. 371. 



Ehizoma creeping ; stipes erect, glabrous ; frond triple, 

 deltoid, smooth, the three branches pinnate ; pinnae pin- 

 natifid ; lateral veins usually simple ; involucre generally 

 wanting ; clusters of capsules near the extremity of each 

 lateral vein, forming a marginal series ; colour a bright 

 green, stipes purplish. 



An exquisitely beautiful little fern. Common in moun- 

 tain districts, otherwise rare. 



