ROBINSON: PTERIDOPHYTA OF THE HAWAIIAN ISLANDS 583 
DIsTRIBUTION: Hawaiian Islands, common. 
ILLUSTRATION: Hook. & Grev. Ic. Fil. pl. 143. %829. 
SPECIMENS EXAMINED: Hawaii, Wilkes Expedition C; Maui, 
Baldwin B; Baldwin 7 B; Robinson 203 V; 367 V; 360 V; Oahu, 
Forbes BM; (Honolulu) Hillebrand C: (Konhuanui) Hillebrand B; 
(Nuuanu) Willebrand B; Macrae B: Robinson 163 V; 1903 V; 613 V; 
Wilkes Expedition C; Kauai, Robinson gag: Ns ge Vs. 437-Ns 
400 V: Remy C; Hawaiian Islands, Baldwin B; Gaudichaud B; 
Wilkes Expedition B. 
Odontoloma Macraeanum differs from Lindsaya repens in that 
the sori are submarginal rather than marginal, as they are in the 
latter, and are discrete rather than confluent. Superficially they 
are much alike. 
11. NEPHROLEPIS Schott, Gen. Fil. pl. 3. 1834 
Terrestrial or epiphytic plants, mainly found in the tropics; 
thizome creeping or suberect; leafstalk not articulate; blades 
pinnate, usually coriaceous, spreading or pendent; pinnae approx- 
imate, articulate; veins free, forked, each terminating in a puncti- 
form apex, which bears a calcareous scale on the outer side; sori 
borne apically upon the upper branch of a vein, thus forming a 
single row parallel to the midrib; indusium circular or reniform. 
Type species: Nephrolepis exaltata (L.) Schott. 
Rootstock bearing tubers; indusium opening toward apex of pinna. _N.. cordifolia. 
R 1 indusi i bliquely toward margin 
tnd 1 eo a } 
ASUULSLUCA WILTLOUT , Y S be 5 
of pinna. N. exaltata. 
NEPHROLEPIS CORDIFOLIA (L.) Presl, Tent. Pterid. 79. 1836 
Polypodium cordifolium L. Sp. Pl. 1089. 1753. 
Aspidium cordifolium Sw. Jour. Bot. Schrad. 18007: 32. 1801. 
Aspidium undulatum Afz.;Sw. Jour. Bot. Schrad. 18007: 32. 1801. 
Aspidium tuberosum Bory in Willd. Sp. Pl. 5:234. 1810. 
Nephrolepis tuberosa Presl, Tent. Pterid. 79. 1836. 
Nephrolepis pendula J. Sm. Jour. Bot. Hook. 4: 197. 1842. 
TYPE LOCALITY: West Indies. 
DIsTRIBUTION: On ground and on trees; tropical countries, 
Japan, New Zealand. 
ILLUSTRATIONS: Raddi, Pl. Bras. 1: pl. 46. 1825; Diels in 
E.-& P. Nat. Pfl. 14: 205. f. arr. | 1899. 
