280 UNDERWOOD : REVIEW OF THE GENERA OF FERNS 
Leptochilus * Kaulf., 1824 (L. axillaris /). 
Leptostegia Ham., 1825 (Z. /ucida). 
Lindsaea Dry.; J. E. Smith, 1793 (Adiantum Guianense Aubl.). 
Hymenotomia Gaud., 1826 (Lindsaea microphylla). 
Llavea Lag., 1816 (L. cordifolia). 
Lomaria Willd., 1809 = Belvisia Mirb. 
Lonchitis L., 1753 (/. aurita). 
Lophidium Richard, 1792 (Z. latifolium). 
Ripipium Bernh., 1801 (Acrostichum dichotomum). 
Loxogramma Blume, 1828 = § Grammitis. 
Lygodium Swz., 1801 (Ophioglossum scandens L.). 
OpontorTeris Bernh., 1801 (O. scandens). 
GISOPTERIS Bernh., 1801 (Hydroglosum palmatum). 
UcENA Cav., 1801 (U. semihastata). 
HypnocrossuM Willd., 1802 (Ophioglossum eee) 
Ramonpia Mirbel, 1802 (R. flexuosa). 
Crestum Richard, 1803 (C. paniculata = Lygodium pal- 
matum). 
VALLIFILIX Aub. du Petit Thours, 1811 (Ophioglossum scan- 
dens). 
Marattia Swz., 1788 (M. alata /). 
MARGINARIA Boy. ., 1824. = Polypodium. 
Matonia R. Br., 1830 (Matonia pectinata). 
Meniscium Sheek. 1791 (Polypodium reticulatum L.). 
MERTENSIA Willd., 1804 = Dicranopteris. 
Micropteris Desv., 1827 (Blechnum seminudum Willd.). 
Mohria Swz., 1806 (Adiantum Caffrorum L:!). 
MoxocHLAENA Gaud., 1826 = Didymochlaena. 
Monogramma Commerson, 1809 (M. graminea). 
CocnLrDiUM Kaulf., 1820 (Grammitis graminoides f). 
Myriotheca Comm., 1789 (no type). (? = Marattia). 
NepHropium Richard, 1803 = Polystichum. 
Neuronia Ham., 1825 — Aspidium. 
NEvuROPTERIS Desv., 1827 = Saccoloma. 
* The status of this genus is uncertain. Mettenius refers it to Po/ygodium, Hooker 
to Acrostichum, while Moore refers it to Gymnopteris which name he adopts from Bern- 
hardi without warrant. Its resting place is thus uneasy and it is quite possible that it 
represents a good genus by itself. 
