8 NORTH AMERICAN FLORA [Vorumx 16 
14. Botrychium californicum Underw. Torreya 5: 107. 1905. 
Botrychium silatfolium Underw. Bull. Torrey Club 30:51. 1903. Not B. silatfolium Pres, 1825. 
Sceptridium catifornicum Lyon, Bot. Gaz. 40: 457. 1905. 
Plant 32-65 cm. high, lax; bud hairy, entirely enclosed ; commonstalk rather short ; 
lamina with a stalk 7-15 cm. long, more or less deltoid, but usually irregular in outline, 
drooping, acute or obtuse, 10-28 cm. long, 11-40 cm. broad, 4-6 times pinnately or sub- 
ternately divided, the primary divisions oblong to deltoid, the penultimate divisions 
oblong, pinnately divided into 1-3 pairs of broad, oblique, ovate to rhombic, mostly acute, 
lateral segments, and acute, rhomboid tips, the outer margins of the segments entire or 
bluntly serrulate; sporophyl 28-60 cm. long, the panicle diffuse; spores maturing from 
May to June. 
TYPE LOCALITY: Quincy, Plumas County, California. 
DISTRIBUTION : California. 
ILLUSTRATION: D. C. Eaton, Ferns N. Am. £/. 20a (posterior figure). 
15. Botrychium Schaffneri Underw. Bull. Torrey Club 30: 51. 1903. 
Sceptridium Schajffneri Lyon, Bot. Gaz. 40: 458. 1905. 
Plant 32-43 cm. high, rather fleshy, strict; bud hairy, entirely enclosed; common- 
stalk short, hypogean; lamina with a stalk 4.5-11 cm. long, broadly deltoid to pen- 
tagonal, obtuse, 3-14:5 cm. long, 5-20 cm. broad, 4-6 times pinnately or subternately 
divided, the primary divisions crowded and imbricate, lanceolate to deltoid, the penultimate 
divisions lanceolate or ovate-lanceolate, pinnately divided into very small, oblique, oblong to 
ovate, lateral segments, and rhomboid tips, the margins of the segments entire or notched ; 
sporophyl 28-39 cm. high, the panicle usually rather compact. 
TYPE LOCALITY: Near San Luis Potosi. 
DISTRIBUTION: San Luis Potosi and Valley of Mexico. 
16. Botrychium Coulteri Underw. Bull. Torrey Club 25: 537. 1898. 
Sceptridium Coulteri Lyon, Bot. Gaz. 40: 457. 1905. 
Plant 14-27 cm. high, very stout and fleshy in all parts, strict; bud hairy, entirely 
enclosed ; commonstalk short, hypogean; lamina with a stalk 1.5-4 cm. long, broadly 
deltoid to pentagonal, obtuse, 6-14 cm. long, 8.5-20 cm. broad, about 4 times pinnately or 
subternately divided, the primary divisions crowded and imbricate, oblong to deltoid, the 
penultimate divisions oblong, pinnately divided into 2-5 pairs of oblique, broadly oblong or 
ovate, mostly acute or acutish lateral segments, and ovate to rhomboid, acutish tips, the 
margins of the segments entire or undulate; sporophyl 11-22.5 cm. high, the panicle short 
and compact; spores maturing from August to September. 
TYPE LOCALITY: Yellowstone National Park. 
DISTRIBUTION : Montana and Wyoming to Oregon. 
17. Botrychium pusillum Underw. Bull. Torrey Club 30: 50. 1903. 
Sceptridium pusillum Lyon, Bot. Gaz. 40: 458. 1905. 
Plant 6-11 cm. high, fleshy, the rhizome ascending; bud hairy, entirely enclosed ; 
commonstalk short, hypogean; lamina with a stalk 1-2 cm. long, broadly deltoid to pen- 
tagonal, obtuse, 2-3 cm. long, 3-5 cm. broad, about 3 times pinnately or subternately 
divided, the primary divisions oblong or lanceolate to deltoid or pentagonal, the penulti- 
mate divisions oblong or lanceolate, pinnately divided into small crowded, often imbricate, 
oblique, oblong or ovate, rounded or acute, somewhat fleshy lateral segments, and 
broader, rhomboid tips, the margins of the segments entire or barely crenulate; sporophyl 
3.5-8 cm. long, the stalk 2.5-5 cm. long, the panicle about twice divided, with crowded 
sporangia; spores maturing from September to October. 
TYPE LOCALITY: Sierra de las Cruces, State of Mexico, altitude 3000 meters. 
DISTRIBUTION : Known only from the type collection. 
