312 Isn. Ursan: Pteridophyta domingensia 
Nephrodium domingense J.G.Bak. in Ann. of Bot. V (1891) p. 329. 
— Aspidium domingense C. Christ. Ind. (1905) p. 72. 
Obs. Species in horto Kewensi culta non ex Sto. Domingo originem 
duxit, sed ex Dominica, qua in insula tantum Imray collegit. 
VIII. Polystichum Roth 
(el. C. CHRISTENSEN p.p. recens. 1912) 
Lit. W. R. Maxox: A revision of the West Indian Species of Polystichum 
in Contr. U. St. Nat. Herb. XIII. 1 (1909) p. 25 — 39. 
78. P. Plasehniekianum (Kze.) Moore Ind. (1858) p. 100; Maxon 
l.c. p. 35. — Aspidium Plaschnickianum Kunze in Linnaea XXI 
(185 0) p. 229, 302. 
D. prope Constanza ad marginem humidum rivuli in palmeto 
1250 m.: v. Türckheim n. 3038. — Jamaica. 
79. P. rhizophylium (Sw.) Presi Tent. (1836) p. 82; F&e Foug. 
ant. p. 73; Maxon ].c. p. 36. — Polypodium rhizophylium Sw. Prodr. 
(1788) p. 132. — Aspidium rhizophyllum Sw. in Schrad. Journ. 1800 IH 
(1801) p. 31. 
H.: Tussac (ex Fee). — Cuba, Jamaica, Portorico, Guadeloupe. 
80. P. tridens (Moore) F&e Foug. ant. (1866) p. 74; Maxon I. c. 
p- 37. — Aspidium tridens Moore ex Hook. Spec. Fil. IV (1862) p. 15 
t. 215. 
D. in prov. Azua prope Las Canitas 1350 m.: Fuertes 1931. — 
Jamaica (ex Max.). 
81. P. triangulum (L.) F&e Gen. Fil. (1850-52) p. 279; Maxon 
l. c. p. 28 et XVI p. 50. — Polypodium triangulum L. Spee. I ed. U 
(1753) p. 1088. — ? Polystichum falcatum Fee Gen. Fil. (1850 — 52) 
p- 279 (non Diels). — Plum. Fil. p. 54 t. 72. 
H. in sylvis: Plumier (ex ipso), in Fonds Verettes prope Mission 
1000 m. et supra: Leonard n. 3997, prope Cadets in sylva umbrosa 
1400 m., in Morne de l’Höpital in deelivibus 500—1100 m., prope 
Furey in praeruptis 1500 m., inter Furey et Töte-bois de pin loeis‘ 
aridis, prope Payan ad Goutte de l’eau in praeruptis 200 m., et ad 
Miragoane secus viam ad fontem versus 800 m.: Picarda n. 163, 202, 
256, 393, 601, 724 (form. prolifera), 1051, 1535, prope Furey in fruti- 
cetis ad rivulum, in faucibus et muscosis: Leonard n. 4278, 4281, 4284, 
4631, 4635, prope Thöbaud in declivibus umbrosis 1600 m., in Mare 
Congo in faucibus umbrosis 1000 m., prope Badeau in sylvis aprieis 
1000 m., in Morne Robin in fruticetis 1500 m.: Buch n. 1434, 1442, 
1480, 1720, in Morne de la Hotte in declivibus sept.-orient. in sylvis 
montanis 800 m.: Ekman n.159. — D. prope Constanza 1190 m.: 
v. Türckheim n. 2933 (magis spinescens), in prov. Barahona loeis humi- 
