Part 1, 1909] OPHIOGLOSSACEAE 9 
18. Botrychium Matricariae (Schrank) Spreng. Syst. 
Veg. 4: 23. 1827. 
Osmunda Matricariae Schrank, Baier. Fl. 2: 419. 1789. 
Botrychium rutaceum Sw. Jour. Bot. Schrad. 18002: 110. 1801. 
Botrychium matricarioides Willd. Sp. Pl. 5: 62, 1810. 
Botrychium rutacfolium A. Br.; D6ll, Rhein. Fl. 24. 1843. 
Botrychium Breynti Fries, Summa Veg. Scand. 252. 1846. 
Sceptridtum Matricariae Lyon, Bot. Gaz. 40: 458. 1905. 
Plant 5-25 cm. high, the rhizome erect ; bud hairy, entirely enclosed; commonstalk 
short, hypogean ; lamina with a stalk usually more than 2 cm. long (1-5.5), broadly deltoid 
or pentagonal, acute or obtuse, 1.3-5 cm. long, 1.8-7 cm. broad, 3-4 times pinnately er 
subternately divided, the primary divisions ovate-lanceolate to deltoid or pentagonal, 
the penultimate divisions ovate-lanceolate to deltoid-ovate, pinnately divided into crowded, 
oblique, ovate, acute lateral segments, and broader rhomboid tips, the margins of the seg- 
ments entire or finely crenulate; sporophyl 5.5-21 cm. long, the stalk 4.7-16.5 cm. long, 
the panicle usually compact; spores maturing about September. 
TYPE LOCALITY: Germany. 
DISTRIBUTION : Nova Scotia and Quebec to Vermont and Wisconsin ; also in Europe. 
ILLUSTRATION : Nova Acta Acad. Leop.-Carol. 26: p1. 53, f. 198. 
19. Botrychium biternatum (Savigny) Underw. Bot. 
Gaz. 22: 407. 1896. 
Osmunda bilernata Savigny, in Lam. Encyc. 4: 650. 1797. 
Botrypus lunaroides Michx, Fl. Bor. Am. 2: 274. 1803. 
Botrychium lunaroides Sw. Syn. Fil. 172. 1806. 
Boirychium fumaroides Willd. Sp. Pl. 5: 63. 1810. 
Botrychium Fumariae Spreng. Syst. Veg. 4: 23. 1827. 
Sceptridium biternatum Lyon, Bot. Gaz. 40: 457. 1905. 
Plant 8-12 cm. high, the rhizome erect, short and stout; bud with a few scattered 
hairs, entirely enclosed ; commonstalk short, hypogean ; lamina lax, sessile or nearly so, 
broadly deltoid or pentagonal, obtuse, 3-6 cm. long, 5-9 cm. broad, two or three times 
pinnately or subternately divided, the lowest primary divisions deltoid, the upper ones 
mostly oblong or oblong-ovate, the penultimate divisions oblong or oblong-ovate, pinnately 
divided into fan-shaped to lunulate or reniform, mostly sessile, usually close, oblique 
lateral segments, and somewhat larger, similarly shaped terminal segments, the outer 
margins of the segments finely serrulate; sporophyl 6-10 cm. long, the stalk 4.5-9 cm. 
long, the panicle rather lax; spores maturing from February to April. 
TYPE LOCALITY: South Carolina. 
DISTRIBUTION : South Carolina to Florida and Louisiana. 
ILLUSTRATIONS: Bot. Gaz. 22: #1, 21; D. C. Eaton, Ferns N. Am. p/. 20, f. 3, 8. 
20. Botrychium Jenmani Underw. Fern Bull. 8: 59. 1900. 
Sceptridium Jenmani Lyon, Bot. Gaz. 40: 457. 1905. 
Plant 5-33 em. high, usually lax and slender, the rhizome mostly erect ; bud densely 
clothed with fine silky white hairs, entirely enclosed; commonstalk short, hypogean ; 
lamina with a stalk 0.5-6 cm. long, deltoid to broadly pentagonal, acute or obtuse, 1.5— 
9.5cm. long, 2.5-13 cm. broad, 24 times pinnately or subternately divided, the lowest 
primary divisions deltoid or somewhat pentagonal, often long-stalked, the upper ones 
oblong to oblong-ovate, the penultimate divisions oblong or oblong-ovate, pinnately 
divided into 2-4 cuneiform to oblong or oblong-ovate, mostly rounded, sessile, distant or 
close lateral segments, and larger, unequally fan-shaped to rhombic, rounded or acutish 
tips, the outer margins of the segments finely serrulate; sporophyl 4.5-30 cm. long, the 
stalk 3.8-25 cm. long, the panicle lax; spores maturing from February to April. 
TYPE LOCALITY : Cinchona, Jamaica, altitude 1500 meters. 
DISTRIBUTION : Blue Mountains, Jamaica. 
21. Botrychium alabamense Maxon, Proc. Biol. Soc. 
Wash. 19: 23. 1906. 
Plant 7-38 cm. high, lax and slender, the rhizome mostly erect ; bud hairy, entirely 
enclosed ; commonstalk short, hypogean ; lamina lax, with a stalk 1.5-11 cm. long, broadly 
