XXIV 
Edward Newman 
Gymnocarpium Robertianum. 
1785. Polypodium Dryopteris, Bolt. Fil. Brit. 53, t. 1. 
1795. Polypodium Robertianum, Hoffm. Deutsch. FI. ii. 
10. — “ Fronde triangulari, foliolis ternis bipinna- 
tis : pinnis pinnulisque interne pinnatificlis. Stipes 
glaucus, uno latere sulcatus. Frons tenera. Uter- 
que nudo oculo subtili tomento ad lentem brevissimis 
glandulis obsitus. Odor debilis Geran. Robert. Fruc- 
tif. minuta.” — Hoffm. 1. c. 
1804. Polypodium calcareum, Sm. FI. Brit. 1117, E. F. iv. 
283, E. B. 1525 ; Newm. F. 131 ; Hook, and Am. 567. 
Lastrea calcarea, Neiom. N. A. 17. 
Lastrea Robertiana, Newm. F. 13. 
Polypodium ? calcareum, Bab. 409. 
Gymnocarpium Robertianum, Newm. Phytol. iv. 371. 
Rliizoma creeping; stipes erect; frond elongate-deltoid, 
glandular-mealy ; lower pinnae bipinnate, 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/. FI. 
Scot. 678 ; Huds. FI. Ang. 460 ; With. Arr. 780 ; Sm. 
E. F. iv. 283, E. B. 616 ; Mack. FI. Hib. 338 ; Newm. 
F. 123; Hook, and Am. 567. 
Polypodium Dryopteris, Bolt. Fil. Brit. 52, t. 28. 
Polysticlium Dryopteris, Both. FI. Germ. iii. 80. 
Lastrea Dryopteris, Newm. N. A. 15, F. 13. 
Polypodium ? Dryopteris, Bab. 409. 
Gymnocarpium Dryopteris, Newm. Phytol. iv. 371. 
Rliizoma 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. 
