
THE HAY-SCENTED BUCKLER FERN. 
THE HAY-SCENTED, or CONCAVE BUCKLER FERN. 
LASTREA /EMULA. 
L.fronds triangular or triangular-ovate, spreading tripinnate ; 
pinnules concave; pinnulets pinnatifid, the mucronately serrate 
lobes curved upwards; scales of the stipes whole-coloured, narrow- 
lanceolate, fimbriate or laciniate, often contorted ; indusium mar- 
gined with minute sessile glands. 
LASTREA ÆMULA, Brackenridge, United St. Explor. Exped. xvi. 200 (excl. syn. 
Presl). J. Smith, Cat. Kew Ferns, 1856. Moore, Handb. Brit. Ferns, 
3ed. 189. Johnson, Kew Journ. Bot. ix. 163. 
LASTREA rcNisEOI, Watson, Phytol. ii. 568. Babington, Man. Brit. Bot. 4 ed. 
422. Deakin, Florigr. Brit. iv. 117, fig. 1614, Moore, Handb. Brit. Ferns, 
2 ed. 132; Id., Ferns of Gt. Brit. Nature Printed, t. 27. Sowerby, Ferns 
of Gt. Brit. 27, t. 14. 
LASTREA RECURVA, Newman, Nat. Alm. 1844, 23; Id., Hist. Brit. Ferns, 2 ed. 
225. 
LASTREA CONCAYA, Newman MS. (Hist. Brit. Ferns, 2 ed. 235). 
NEPHRODIUM F@NISECH, Lowe (R. T.), Cambr. Phil. Trans, iv. T. 
ASPIDIUM JMULUM, Swartz, Schrad. Journ. Bot. 1800, ii. 42; Id., Syn. - Fil. 
60, 257. Willdenow, Sp. Plant. 283. Sprengel, Syst. Veg. 108. Lowe, 
Nat. Hist. Ferns, vii. t. 17. 
ASPIDIUM F@NISECH, Kunze, Lin. xxiii. 226. Fee, Gen. Fil. 292. 
ASPIDIUM ODORATUM, Lowe MS.: Hb. Hooker. 
ASPIDIUM DILATATUM, v. CONCAVUM, Babington. 
ASPIDIUM SPINULOSUM, Bentham, Handb. Brit. Fl. 630, in part. 
PoLYPODIUM EMULUM, Aiton, Hort. Kew, ii. 466; according to an authentic 
specimen in Banksian Herbarium. 
ALLANTODIA ZMULA, Desvaux, Ann. de Soc. Linn. Paris, vi. 265. 
ASPIDIUM RECURVUM, Bree, Phytol. i. 773. 
ASPIDIUM DILATATUM, v. RECURVUM, Bree, Mag. Nat. Hist. iv. 162. 
ASPIDIUM SPINULOSUM y. Hooker de Arnott, Brit. Fl. 7 ed, 586. 
LoPHODIUM F@NISECH, Newman, Phytol. 1851, App. xvi; Jd., Brit. Ferns, 
3 ed. 135 (excl. syn. Asp. dumetorum). 
LOPHODIUM RECURYUM, Newman, Phytol. iv. 371. 

Caudex stout, densely scaly, tufted, erect or sometimes decum- 
bent, formed of the bases of the fronds surrounding a woody axis. 
Scales narrow-lanceolate, pale ferruginous, of one colour, variously 

