THE COMMON BRAKES. 
LE I A 
THE COMMON BRAKES, or BRACKEN. 
PTERIS AQUILINA. 
P. fronds large, coriaceous, bi-tri-pinnate, pubescent beneath ; 
primary pinn® sub-opposite, in pairs; ultimate divisions (pinnulets) 
sessile, entire or pinnatifid, the terminal one often longer ; indusium 
double, ciliated, the inner one sometimes obsolete; caudex creep- 
ing, subterraneous. [Plate XCVIII.] 
PTERIS AQUILINA, Linnœus, Sp. Plant. 1593. Bolton, Fil. Brit. 16, t. 10, (bad). 
Smith, Eng. Bot. xxiv. t. 1679; Id., Eng. Fl. 2 ed. iv. 305. Hooker de 
Arnott, Brit. Fl. 7 ed. 590. Mackay, Fl. Hib. 343. Babington, Man. Brit. 
Bot. 4 ed. 497. Deakin, Florigr. Brit. iv. 54, fig. 1588. Newman, Hist. 
Brit. Ferns, 2 ed. 93. Moore, Handb. Brit. Ferns, 3 ed. 223 ; Id., Ferns of 
Gt. Brit. Nature Printed, t. 44. Sowerby, Ferns of Gt. Brit. 67, t. 38. 
Bentham, Handb. Brit. Fl. 685. Hooker, Sp. Fil. ii. 196 (excl. 9.) ; iii. t. 
141 A (indusium). Swartz, Syn. Fil. 100. Schkuhr, Krypt. Gew. 87, tt. 95, 
96. Willdenow, Sp. Plant. v. 402. Sprengel, Syst. Veg. iv. 78. Koch, Syn. 
2 ed. 984. Fries, Sum. Veg. 830. Ledebour, Fl. Ross. iv. 524. Sturm, Fl. 
(Farrn.) t. 9. Svensk Bot. t. 90. Flora Dan. t. 2303. Agardh, Recens. 
Sp. Pier. 49. Fee, Gen. Fil. 126, t. 11 A, fig. 3 (stipes). Mettenius, Fü. 
Hort. Bot. Lips. 59 ; Id., Pier. t. 16 fig. 13-15. Lowe, Nat. Hist. Ferns, 
iv. t. 8. Nyman, Syll. Fl. Eur. 433. 
PTERIS BOREALIS, Salisbury, Prod. 402. 
PTERIS FŒMINA, Gray, Nat. Arr. Brit. Pl. ii. 16. 
PTERIS CAUDATA, Link, Enum. Plant. alt. ii. 464 (excl. syn.); according to 
Link. 
PTERIS BREVIPES, Tausch, Flora, (Regens. Bot. Zeit.) xix. 427 ; Id., xx. 351. 
PTERIS NUDICAULIS, Güldenstadt, Itin. i. 421 ; according to Ledebour. 
PTERIS RECURVATA, Wallich, Cat. 113. Agardh, Recens. Sp. Pier. 50. 
PTERIS EXCELSA, Blume, Enum. Plant. Jav. 213. 
PTERIS FIRMA, Wallich, Cat. 100. 
PTERIS TERMINALIS, Wallich, Cat. 101. 
PTERIS WIGHTIANA, Wallich, Cat. 2178. . 
PTERIS LANUGINOSA, Bory MS. Willdenow, Sp. Plant. v. 403. Sprengel, Syst. 
Veg. iv. 78. Kaulfuss, Enum. Fil. 189. Link, Enum. Plant. alt. ii. 464. 
Agardh, Recens. Sp. Pier. 51 (incl. B.). Fee, Gen. Fil. 126. 
PTERIS DENSA, Wallich, Cat. 99. 
PTERIS DECOMPOSITA, Gaudichaud, Frey. Voy. 393 ; according to Hooker. 
PTERIS REVOLUTA, Blume, Enum. Fil. Jav. 214. Agardh, Recens. Sp. Pter. 53. 
PTERIS VILLOSA, Fe, Gen. Fil. 126, 128 (excl. the reference to Cuming 408, 
which is Cheilanthes tenuifolia). 
PTERIS CAPENSIS, Thunberg, Prod. 172. Willdenow, Sp. Plant. v. 393. Schlech- 
tendal, Adumb. Plant. 45, t. 26. Agardh, Recens. Sp. Pier. 51. 
ALLOSORUS AQUILINUS, Presl, Tent. Plerid. 153. Pappe d Rawson, Sym. Fil. 
Afr. Aust. 32. 
ALLOSORUS TAURIOUS, Presl, Tent. Plerid. 154, according to Ledebour. 
ALLOSORUS REOURVATUS, Presl, Tent. Pterid. 154. 
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