578 POLYSTICHUM 
Obs. Conf. P. lobatum. — Vide Mett. Pheg. u. Aspid. 1858 et Ann. Lugd. 
Bat. 1l. 226. 1864. Hk. sp. 4. 18, 246. 1862. Kuhn, Abh. Nat. Ges. Halle 
11. 11. 1869. Clarke, Tr. Linn. Soc. II. Bot. 1. 508. 1880. Christ, Ber. 
Schweiz. bot. Ges. 3. 1893. Burck, Receuil Trav. Bot. Néerl. 1. 33. 1901. 
aculeatum Roth, Róm. Arch. 2!. 106. 1799; Tent. Fl. Germ. 3. 79.1800 — P.lobatum. 
aculeatum »« lobatum C. Chr. Ind. 66. 1905; 578. 1906 — Europa centr. 
Aspidium Bicknellii Christ ap. Burnat, Matér p. fl. Alp. marit. — 1900; 
: A. lobatum »« aculeatum Christ 1900. 
aeuleatum »« lonchitis (Halácsy) C. Chr. Ind. 63. 1905; 578. 1906 — Graecia. 
Aspidium Haláesy, Verh. zool. bot. Ges. 54. 129 c. fig. 1904; A.]lonchiti- 
forme Hal. 1. c. : 
aculeolatum Fée, Cr. vasc. Br. 1. 128 t. 38 f. 2. 1869 — P. aculeatum var. 15. | 
. aeutidens Christ, Bull. Ac. Géogr. Bot. Mans 1902. 259 — China. 
acutifolium Pr. Epim. 259. 1849 — P. aculeatum var. 33. 
acutum Pr. Tent. 83. 1836 — Nephrolepis biserrata. 
adiantiforme (Forst) J. Sm. Hist. Fil. 220. 1875 —- Australia. Polynesia. 
N. Zealand. Afr. austr. c. ins. Tristan d'Acunha. Cuba. Amer. austr.-Chile. 
Juan Fernandez. — Polypodium Forst. Prod. 82. 1786; Dryopteris O.Ktze. 
1898. Polypodium coriaceum Sw. 1788; Aspidium Sw. 1801. Mett. n. 121; 
Tectaria Link 1833; Hypopeltis Bory 1833; Polystichum Schott 1834. 
Aspidium capense Willd. 1810 (non Polypodium L.fil. 1781). HB. 254. 
Chr. 242; Polystichum J. Sm. 1846. NPfl.193 — Tectaria Calahuala Cav. 
1802 — Rumohra aspidioides Raddi 1819 — Aspidium discolor Langsd. 
et Fisch. 1810; Polystichum Brack. 1854. 
adscendens auctt, vide ascendens. 
aemulum Pr. Tent. 83. 1836 — Dryopteris. . 
affine Pr. Tent. 83. 1836 — P. speciosum. 
affine Ledeb. Fl. ross. 4. 515. 1853 — Dryopteris filix mas. 
alcieorne (Bak.) Diels, Engl. Jahrb. 29. 194. 1900 — China. 
Polypodium Bak. JoB. 1888. 229; Aspidium Christ 1901. 
amabile (Bl) J. Sm. Ferns br. and. for. 152. 1866. NPfl. 193 —  Japonia. 
China austr. Ind. bor.-Malesia. — Aspidium Bl. Enum. 165. 1828. HB. 254. 
Chr. 240; Lastrea Moore 1858; Dryopterís O.Ktze. 1891. Aspidium rhom- 
boideum Wall. 1828. Mett. n. 155; Polystichum Schott 1834. 
amblyotum Pr. Epim. 55. 1849 — P. aculeatum var. 32. 
amplissimum Pr. Tent. 84. 1836; Epim. 58. 1849 — Dryopteris. 
andinum Phil. Linn. 99. 108. 1857; Christ, Ark. fór Bot. 4!?. 2. 1905 — 
Chile-Amer. antarct. Ins. Falkland. South Georgia. 
angulare Pr. Tent. 83. 1836 — P. aculeatum. 
 angustatum Schum. En. pl. Saell. 2, 22. 1803 — Dryopteris spinulosa. 
auomalum J. Sm. Ferns br. and for. 151.1866 — P. aculeatum var. 37. 
apiifolium (Sw.) C. Chr. Ind. 64. 1905; 578. 1906 — Cuba. Jamaica. Guatemala. 
Dicksonia Sw. Schrad. Journ. 1800?, 91. 1801 (non auctt); Aspídium 
Mett; Kuhn 1869; Dryopteris O.Ktze. 1891. Aspidium ascendens Hew. 
1838. HB. 255. Chr. 242; Lastrea J. Sm. 1841; Polystichum Moore 1858. 
NPfl. 193. Nephrodium duale Donn. Smith 1890, 
aquifolium Und. et Maxon, Bull. Torr. Cl. 99, 584. 1902 — P. triangulum var. 
aristatum (Forst) Pr. Tent. 83. 1836. NPfl. 193 —  Japonia. China. India- 
Malesia-Polynesia. Natal. — Polypodium Forst, Prod. 82, 1786; Aspidium 
Sw. 1801. Mett. n. 107, HB. 255. Chr. 240. Nephrodium Pr. 1825; Lastrea 
Moore 1858; Dryopteris O.Ktze. 1891. 
