602 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Notholaena neglecta Maxon, sp. nov. 
Plants fasciculate, the fronds numerous, erect or ascending, 3 to 20 em. 
high. Rhizomes large, multicipital, the numerous branches short (0.5 to 2 em. 
long), decumbent, 3 to 5 mm. in diameter, very densely paleaceous, copiously 
radicose beneath; scales imbricate, closely impacted, 3 to 3.5 mm. long, 0.5 to 
0.7 mm. broad near the base, linear-lanceolate, long-attenuate to a subflexuous 
apex, bicolorous (usually sharply so), the narrow, dark brown, sclerotic median 
stripe percurrent, opaque, the cells linear, minute, indistinct; borders as broad 
as the dark median area or slightly narrower, delicate, pale yellowish or 
usually whitish and transparent, irregularly denticulate, the teeth hyaline. 
Fronds close, apparently distichous, usually long-stipitate ; stipes 1 to 16 cm. long, 
slender (0.4 to 0.7 mm. thick), terete, black, sublustrous, with a few deciduous 
scales toward the base; lamina nonpaleaceous, elongate-pentagonal, acuminate, 
2.5 to 8.5 cm. long, 2 to 6.5 cm. broad, tripinnate to quadripinnate in the basal 
half, simpler above, the apex usually produced, finally pinnatisect; rachis 
similar to the stipe but slightly suleate ventrally ; basal pinnze much the largest, 
sessile, deltoid, acuminate, inequilateral, basiscopic, the lowermost of the in- 
ferior pinnules greatly produced, the others gradually shorter and simpler; 
second pair of pinni shorter, elongate-deltoid, inequilateral, basiscopic, some- 
times rather strongly so; other pinne simpler, contiguous, narrowly deltoid- 
oblong to oblong, usually (except in the largest specimens) once pinnate, the 
segments oblique, mostly simple, narrowly oblong from a slightly broader, sub- 
cordate, inequilateral base, obtuse or acutish, subsessile or semiadnate, the 
base slightly overlying the slender secondary rachis; terminal segments of pinnz 
and pinnules conform or slightly produced, entire; segments in general similar, 
or the lateral ones of the basal pinnsze sometimes short and rounded, all the 
segments deeply concave, apart, rigidly herbaceo-coriaceous, tight grayish green 
and slightly pulverulent above (the granules few, distant, subpersistent), be- 
neath densely pulverulo-ceraceous, the powder very pale ochroleucous, nearly or 
quite concealed at maturity by the very numerous brown sporangia thrust far 
inward by the widely concave margins; spores globose, about 50 « in diameter, 
minutely roughened. 
Type in the U. 8. National Herbarium, no. 397878, collected among rocks on 
the dry, sloping sides of a canyon near Saltillo, State of Coahuila, Mexico, 
November 10 to 20, 1902, by Dr. Edward Palmer (no. 324). 
The following additional specimens are in the National Herbarium: 
CoAHUILA: Sierra Mojada, April 19, 1892, Jones 520; same locality and 
date, Jones (2 specimens without number). San Lorenzo Canyon, 6 
miles southeast of Saltillo, September 21 to 23, 1904, Palmer 424. 
CHIHUAHUA: Limestone cliffs, Santa Eulalia Mountains, September 9, 
1885, Pringle 452 (2 sheets). 
Arizona: Huachuca Mountains, August, 1882, Lemmon (2 sheets). Mule 
Mountains, Cochise County, on exposed south face of limestone cliffs, 
January 1, 1918, Goodding 1384. 
The collection selected as the type includes the largest specimens seen, these 
apparently representing the maximum development of the species. In several 
of them the lamina is truly quadripinnate at the base and the stipes are ex- 
treme in length, the latter condition probably arising from the fact that the 
plant grew among loose rocks. In most of the other collections the stipes are 
shorter and the lamingz smaller and simpler, usually tripinnate at the base. 
The Arizona and Chihuahua specimens average considerably smaller, but evi- 
dently are different in no characters not dependent upon their lesser size. The 
Lemmon specimens are in all probability the Arizona element included by 
Eaton in his description of Notholaena californica. 
