LYCOPODIACEJE. C71 



A. serratum, L. Frond entire, acute, long-tapering at the base, l°-2° 

 long, the margins wavy and senate ; sori linear, on the lower third of the 

 veins. — Eastern coast of South Florida (GarLer, Curtiss). — Stipe short and 

 rigid. 



ASPIDIUM, L. 



A. conterminum, Willd., var. strigosum, Eaton. Rootstock thick, 

 erect; stipe short and scaly ; frond l^°-3° high, oblong-lanceolate, attenuate 

 at each end, pinnate ; pinnae very numerous, lanceolate, acuminate, sessile, 

 pinnatifid, the lower ones gradually reduced, the segments obliquely acute, 

 the lowest ones often elongated ; sori small, in a single marginal row. — Polk 

 County, Florida [J. D. Smith). 



A. unitum, var. glabrum, Mettenius. Stipe long and slender, from a 

 slender creeping rootstock ; frond rather rigid, smooth, ovate-lanceolate, 

 pinnate, H°-2° long; pinna? lanceolate, pinnatifid-lobed, the lobes rounded ; 

 lower veins of contiguous lobes united ; sori forming a continuous zigzag 

 intramarginal line. — Boggy places, South Florida. 



A. trifoliatum, Swartz. Frond thin, cordate-ovate in outline, 3-lobed, 

 or 3-foliate, the ovate pinna? entire or 3-lobed, acuminate, the margins un- 

 dulate ; sori scattered; involucre peltate, orbicular. — Hernando County, 

 Florida (Curtiss). — Frond 1° or less long, barely longer than the slender 

 stipe. 



OPHIOGLOSSUM, L. 



O. palmatum, Plum. Frond thick and succulent, drooping, 4' - 10' long, 

 stipitate from a short woolly rootstock ; sterile ones cuneate at base, simple, 

 or palmately 2-6-lobed, the lobes tongue-shaped, rarely forking; fertile 

 fronds 1- several at the top of the stipe, or along the basal margins of the 

 sterile frond, short-stalked, 1' long. — In the axils of the leaves of the Pal- 

 metto. South Florida. 



Order LYCOPODIACE^E. 



LYCOPODIUM, L. 



L. inundatUEQ, I* Var. adpressum, Chapm. Size and habit of var. 

 pinnatum, but leaves thinner, entire, those of the spike, which is barely thicker 

 than its peduncle, closely appressed. — Damp pine barrens. 



Var. elongatum, Chapm. Sparingly branched (l£°-2° long); leaves 

 subulate-attenuate, entire, spreading; peduncle slender, erect or leaning 

 (If/- 10' lont;), the leaves scattered, those of the spike longer, spreading. — 

 Wet or overflowed bank?, Apalachicola. 



L. cemuum, L. Stem forking near the base [Q'-A^ long), the divis- 

 ions arcuate-recurved, and rooting at the tip, the short alternate branches 



