202 ROBINSON: PTERIDOPHYTA OF THE HAWAIIAN ISLANDS 
Drynaria spectrum J. Sm. Jour. Bot. Hook. 4: 61. 1842. 
Pleopeltis spectrum Moore, Ind. Fil. 348. 1862. 
Colysis Spectra J. Sm. Ferns Brit. & For. 98. 1866. 
TYPE LOCALITY: Oahu. 
DIsTRIBUTION: On rocks and tree trunks in dense shade of 
woods, Hawaiian Islands, Sumatra. 
ILLUSTRATIONS: Gaud. Voy. Freyc. Bot. pl. 5. f. i Bee 
Nat. Pi.2*;-317. 7. 1644, B«. 1800. 
SPECIMENS EXAMINED: Hawaii, Robinson 200 V; Maui, Wilkes 
Expedition C; Oahu, Heller 2118 C; Robinson V; Kauai, Heller 2438 
C; Hawaiian Islands, Baldwin 84 C; Miss Sessions C; ex Herb. 
Kew. C. 
The leaves of Phymatodes Spectrum vary so much in size and 
cutting of the lobes as to suggest different species for those found 
growing upon a single rootstock. 
21. PHLEBODIUM (R. Br.) J. Sm. Jour. Bot. 4: 58. 1842 
Tropical or subtropical plants, usually epiphytic. Rootstock 
creeping, I-2 cm. in diameter, paleaceous; leaves articulate; 
blades pinnatifid or pinnate; primary veins pinnately arranged, 
the secondary veins anastomosing; sori usually terminal on two 
included veinlets, non-indusiate. 
Type species: Polypodium aureum L. 
PHLEBODIUM AUREUM (L.) J. Sm. Jour. Bot. Hook. 4: 58. 1842 
TYPE LOCALITY: West Indies. 
DisTRIBUTION: On ground and on trees, West Indies, Florida, 
Mexico, Brazil, Hawaiian Islands. | 
ILLUSTRATIONS: Plumier, Traité Foug. pl. 76. 1705. PLATE 9- 
SPECIMENS EXAMINED: Wahiawa Mts., Kauai, Forbes 308 BM. 
Forbes 308 is the first collection of this species that has been 
noted for the Hawaiian Islands, and it may be that it is an escape — 
from cultivation, though the remoteness of the locality where 1t _ 
was collected makes its origin from a cultivated plant improbable. 
blue.”’ 
22. POLYSTICHUM Roth, Rém. Mag. 2!: 106. 1799 
Mostly coarse and rigid terrestrial plants of cosmopolitam 
distribution; rootstock short, erect; leaves cespitose, not arti : 
rie eee ee i eee fae. eee 
Mr. Forbes notes: ‘All the fronds were remarkably glaucous . 
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