2 OPHIOGLOSSACEAE. 
Ophioglossum vulgatum I. Adder’s- 
tongue. (Fig. 1.) 
Ophioglossum vulgatum I,. Sp. Pl, 1062. 1753. 
Rootstock short, oblique ; stem slender, erect, sim- 
ple, glabrous, 2’-12’ high, bearing the sessile thin 
ovate or elliptic-oblong leaf (sterile segment) near its 
middle; sterile segment 1/-3’ long, 14’-14’ wide, 
rather firm in texture, distinctly reticulated; spike 
solitary, 4’-1’ long, erect, the axis extending beyond 
the sporanges into a point. 
In moist meadows and thickets, or sometimes on dry 
hillsides, Prince Edward Island to Alaska, south to New 
Jersey, Kentucky and Arizona. Also in Europe, Asia, 
Africa and Australia. May-Aug. 
. 2. BOTRYCHIUM §&w. Schrad. Journ. Bot. 2: 8. 1800. 
Fleshy plants with short erect rootstocks, and clustered fleshy roots, the bud for the 
succeeding year imbedded in the base of the stem. Sterile portion (leaf) pinnately or ter- 
nately divided or compound, the fertile portion pinnate or tripinnate with sessile distinct 
sporanges in rows on either side of its branches, forming large panicles in some species. 
Veins free. Spores of various shades of yellow. [Greek, in allusion to the grape-like 
clusters of sporanges. | 
About ro species, mostly natives of the northern hemisphere, one or two occurring in Australia. 
Besides the following, another, 2. borea/e, occurs in Alaska. 
Bud for the following year enclosed in the base of the stem ; plants mostly small. 
Vernation wholly straight ; Sterile portion simple or 2-5- lobed. 1. B. simplex. 
Vernation partly inclined in one or both portions. 
Buds glabrous ; sterile portion pinnate ; small plants, mature in early summer. 
Sterile portion alone bent in vernation, its segments fan- oe 
B. Lunaria, 
Both portions bent in vernation ; segments of sterile portion : narrow. 
3. B. matricariacfolium. 
Bud pilose ; sterile portion ternate, long-stalked ; larger plants, mature in autumn. 
lfernatum, 
Vernation wholly inclined, recurved in the fertile portion ; sterile portion triangular, sessile. 
5. B. lanceolatum. 
Bud enclosed ina cavity at one side of the base of the stem ; sterile portion ternate and compound ; 
plant large. 6. B. Virginianum, 
Botrychium simplex E. Hitchcock. 
Little Grape-fern. (Fig. 2.) 
Botrychium simplex FE. Hitchcock, Amer. Journ. Sci. 6: 103. 
1823. 
Plant 2’-7’ high, slender, very variable. Sterile por- 
tion ovate, obovate or oblong, entire, lobed or pinnately 
parted, borne near the base of the stem or higher, some- 
times above the middle; fertile portion a simple or 
slightly compound spike, sometimes reduced to only a 
few sporanges; spores large for the genus, minutely 
tuberculate; bud for the following year enclosed in the 
base of the stem ; apex of both fertile and sterile portions 
erect in vernation. 
In moist woods, meadows or swamps, Prince Edward 
Island to Marylind, west to Wyoming and California. Also 
in northern Europe. May-June. 
