476 OTHONOLOMA (— Cheilanthes) 
Osmundopteris Milde, Fil. Europae 209. 1867 (Botrychium $) —  Botrychium 
(virgíinianum). 
OTHONOLOMA Link, Hort. Berol. 9. 41. 1833 — Cheilanthes. 
OXYGONIUM Presl, Tent. Pterid. 117. 1836 — Diplazium. 
alismaefolium Pr. Tent. 118 t. 4 f. 14. 1836 — D. Cumingii vel Syngramma al. 
alismaefolium J. Sm. JoB. 4. 178. 1841 — D. Cumingii. 
cordifolium J. Sm. Hist. Fil. 332. 1875. 
elegans J. Sm. JoB. 4. 178. 1841 — D. fraxinifolium. 
integrifolium Moore, Ind. LVI. 1857 — D. cordifolium. 
ovatum Pr. Tent. 118 t. 4 f. 7. 1836 — Syngramma alismifolia. 
vittaeformis J. Sm. JoB. 4. s 1841 — Syngramma v. 
Pachychaetum Presl, Hymenoph. 16. 1843 (Trichomanes $) — Trichomanes. 
PACHYDERRIS J, Smith msc. (Moore, Ind. CXLVI. 1857) — Dryopteris (pedata). 
Pachyglossa Christ, Mon. Elaph. 20. 1899 (Elaphoglossum $) — Elaphoglossum. 
PACHYLOMA Van den Bosch, Versl. Akad. Wet. Amsterdam 11. 318. 1861 — 
Hymenophyllum (marginatum). 
PACHYPLEURIA Presl, Epim. bot. 98. 1849 — Humata. 
Davallia $ Pachypleuria Pr. Tent. 128. 1836. 
alata Pr. Epim. 98. 1849 — Davallia a. 
angustata Pr. Epim. 98. 1849 — H. heterophylla*. 
intermarginalis Pr. Epim. 98. 1849 — H. Gaimardiana. 
lepida Pr. Epim. 99. 1849. 
parallela Pr, Epim. 98. 1849 — H. Gaimardiana. 
pectinata Pr. Epim. 98. 1849. 
pedata Pr. Epim. 98. 1849 — H. repens. 
sessilifolia Pr. Epim. 98. 1849. 
subimbricata Pr. Epim. 261. 1849 — H. repens. 
trifoliata Pr. Epim. 98. 1849 — H. repens. 
vestita Pr. Epim. 261. 1849. 
PAESIA St. Hilaire, Voy. Distr. Diamans 1. 381. 1833 — . (Polypodiaceae Gen 87). 
acelivis (Kze. Kuhn, Chaetopt. 347. 1882 — Venezuela. Columbia. 
Allosorus Kze. Farnkr. 2. 6. 1848; Pteris Mett. 1856. Üb. Pteris 10 t. $5 
(16) f. 9-12. HB. 479. 
amazonica (Christ) C. Chr. Ind. 476, 1906 — Peru. 
Pteris Christ, Hedwigia 44. 364. 1905. 
anfractuosa (Christ) C. Chr. Ind. 333. 1905; 476. 1906 — Costa Rica. 
Gymnogramme Christ, Bull, Soc. bot. Belg. 35. 235. 1896. Chr. 73 c. fig. 
NPfl. 259; Pteris Christ, Bull. Boiss. JI. 5. 257. 1905 — Mp Sent 
amaurophylla Christ 1904, 
aquilina Keys. Pol. Cyath. Hb. Bung. 22. 1873 — Pteridium. 
glandulosa Kuhn, Chaetopt. 347. 1882 — Gymnogramma. 
radula (Bak.) C. Chr. Ind. 476. 1906 — Sumatra. 
Pteris Bak. JoB. 1880. 211. 
rugosula (Lab.) Kuhn, Chaetopt. 347. 1882 — N. Caledonia. ? Tahiti. Luzon. 
Pteris Lab. Sert. Austr. Cal 6 t. 8. 1824; Cheilanthes Fourn. 1873. 
Pteris rugulosa auctt. HB. 480. ?4Allosorus? Guill 1836. ? Hypolepis 
Hk. 1852 (non J. Sm. 1846). ?Ornithopteris J. Sm. 1875. Paesia Diels 
1899. NPf. 297. ?Cheilanthes divaricatissima Dry. msc.; Pteris Bak. 
1874. HB. 163. 
rugulosa Diels, Nat. Pfl. 1*, 297. 1899 — P. rugosula. 
