214 RoBINSON: PTERIDOPHYTA OF THE HAWAIIAN ISLANDS 
Heller 2055, though soriferous and apparently typical as to size 
and form of pinnae, has laciniate leaf blades on each plant that 
present the same ragged appearance that Hillebrand describes 
for A. contiguum var. laciniatum. Some of the. specimens are 
diplazioid. 
ASPLENIUM HORRIDUM Kaulf. Enum. 173. 1824 
TYPE LOCALITY: Oahu. ; 
_ DISTRIBUTION: In valleys above 500 m. elevation; South 
Pacific Islands and Hawaiian Islands. 
ILLUSTRATION: Hook. Sp. Fil. 3: pl. 193. 
SPECIMENS EXAMINED: Hawaii, Remy B; Robinson 204 V; 
Maui, Bishop 55 B; Oahu, Anderson B; Forbes BM; Hillebrand 
B; Lichtenthaler N; Mann & Brigham 58 N; Hillebrand B; Safford 
908 N; Wilkes Expedition N; Kauai, Heller 2853 C, N; Knudsen 
116 B; Hawaiian Is., Baldwin 45 B, C, N; Gaudichaud B; Wilkes 
Expedition C, N; Miss Sessions C. — 
Asplenium glabratum sp. nov. 
Rootstock short, scaly; leaves cespitose; leafstalk 25-50 cm. 
long, dull green to steel-blue, naked; blade 35-70 cm. X I1I-20 
cm., oblong, lanceolate, coriaceous, dull green; pinnae 5-10 cm. 
xX 11-12 mm., oblong-lanceolate, cut into obliquely obovate, 
sometimes recurving lobes; veins flabellate; sori on the anterior 
vein in each lobe parallel to the midrib and also on other veins. 
Asplenium horridum var. B. Hilleb: Fl. Haw. Is. 604. 1888. 
Asplenium horridum Kaulf. var. Underw. in Heller, Minn. Bot. 
Studs 1: 774s 2807: 
TYPE LOCALITY: Woods of Kahuku and Kahana, Oahu. 
DISTRIBUTION: Oahu and Kauai, Hawaiian Islands. 
SPECIMENS EXAMINED: Kauai, Heller 2588 C. (type), N; 
Hawaii, Robinson 2095 V; Oahu, Hillebrand B. 
This species is distinguished from A. horridum Kaulf. by the 
smoothness and dull steel-blue color of its leafstalk and midrib, 
and by the greater number of sori which extend along the flabellate 
veins of the pinnae. F 
ASPLENIUM LOBULATUM Mett. in Kuhn, Linnaea 36: 100. 1869 — 
TYPE LOCALITY: Oahu, Hawaiian Islands. : 
DistRisuTION: Hawaiian Islands. 
