Parr 1, 1909] OPHIOGLOSSACEAE 5 
3. Botrychium boreale Milde, Bot. Zeit. 15: 880. 1857. 
Botrychium crassinervium Rupr.; Milde, Nova Acta Acad. Leop.-Carol. 26: 763. 1858. 
Plant usually stout, 6-19.5 cm. high; rhizome slender, erect; bud smooth, entirely 
enclosed ; leaf erect, the commonstalk mostly epigean, 3-11 cm. high, the lamina with 
the apex bent down but not clasping the sporophyl in vernation, sessile, oblong-ovate 
to deltoid-ovate, 1.4-5.5 cm. long, 1.4-5.3 cm. broad, usually only once pinnately divided, 
the divisions close, fan-shaped to broadly rhombic or deltoid, acutely or obtusely cuneate 
below, acutish above, entire or incised, or rarely with the lowest divisions pinnately lobed 
with broad, oblong or ovate to rhombic lobes; sporophyl erect in vernation, 1.5-5.5 cm. 
long, usually exceeding the lamina very little, the panicle compact. 
TYPE LOCALITY : Scandinavia. 
DISTRIBUTION: Alaska; also in Europe. 
ILLUSTRATIONS: Nova Acta Acad. Leop.-Carol. 26: pl. 55, f. 1,2, 10,11; D. C. Eaton, Ferns 
N. Am. £1.5, f. 3. 
4. Botrychium Lunaria (1,.) Sw. Jour. Bot. 
Schrad. 1800’: 110. 1801. 
Osmunda Lunaria L,. Sp. Pl. 1064. 1753. 
Botrypus Lunaria Rich. in Marthe, Cat. Jard. Méd. Paris 120. 1801. 
Plant usually stout, 3-27 cm. high ; rhizome slender, erect ; bud smooth, entirely en- 
closed ; leaf erect, the commonstalk mostly epigean, 2-13 cm. long, the lamina with the 
apex bent down and clasping the sporophyl in vernation, sessile or nearly so, usually 
oblong, rarely ovate or deltoid-ovate, rounded above, 0.9-11 cm. long, 0.6-4.7 cm. broad, 
once pinnately divided, the divisions close, often imbricate, fan-shaped to lunulate or 
reniform, entire or radially incised or cleft, the lobes cuneiform ; sporophyl with the apex 
bent down in vernation, often exceeding the lamina, 1-16 cm. long, the panicle often stout, 
1-3 times divided. 
TYPE LOCALITY: Europe. 
DISTRIBUTION: Usually in open fields, Greenland to Vermont, west to Alaska and Colorado; 
also in Europe and Asia. 
ILLUSTRATIONS: Bull. Torrey Club 30: 49. f 3; Nova Acta Acad. Leop.-Carol. 26: pl. 48; 
D. C. Eaton, Ferns N. Am. #1.5, 7. 2; Britt. & Brown, Ill. Fl. f 3. 
5. Botrychium onondagense Underw. Bull. Torrey Club 30: 47. 1903. 
Plant slender, 6-24 cm. high ; rhizome slender, erect; bud smooth, entirely enclosed ; 
leaf erect, the commonstalk mostly epigean, 4-12.5 cm. long, the lamina with the tip bent 
down and clasping the sporophyl in vernation, sessile or with a short stalk, oblong, 
rounded above, 1.4-8.2 cm. long, 0.9-2.3 cm. broad, once pinnately divided, the divisions 
distant, fan-shaped, entire or radially incised; sporophyl 2.8~-11 cm. long, with the tip 
bent down in vernation, the panicle usually lax (scant), 1-2 times divided. 
TYPE LOCALITY: Near Split Rock, Onondaga County, New York. 
DISTRIBUTION : On cold wooded slopes, New York to Michigan and Montana; California (?). 
ILLUSTRATION: Bull. Torrey Club 30: 49. f/. Z, 2. 
6. Botrychium tenebrosum A. A. Eaton, Fern Bull. 7: 8. 1899, 
Plant slender, lax, 3-21.5 cm. high; rhizome slender, erect; bud smooth, entirely 
enclosed ; leaf erect, the commonstalk mostly epigean, 2-10 cm. high, the lamina with 
the apex bent down in vernation, and with a stalk up to 4 cm. long, usually oblong, rarely 
deltoid, rounded at the apex, 0.2-5 cm. long, 0.2-3 cm. broad, entire to twice pinnately 
divided, the primary divisions distant, cuneiform to fan-shaped or lunulate, entire or incised 
or pinnatifid with cuneiform or sometimes fan-shaped or lunulate, entire or incised, rounded 
segments ; sporophyl erect in vernation, 0.4-13 cm. long, the stalk usually much exceeding 
the lamina, the panicle very slender ; spores finely verrucose, .04-.05 mm. thick. 
TYPE LOCALITY: Rockingham County, New Hampshire. 
DISTRIBUTION: New England, New York, and Pennsylvania. 
ILLUSTRATION: Bull. Torrey Club 30: 49. f. 6, 7. 
