394 The Botanical Gazette. [October, 
P. Martensti Mett. 5,360. 
With 5,359. -Aug. 3, 1892. 
P. pectinatum L. 3,974. A form apparently identical 
with P. Paradise L. & F. 
Rich woods, hacienda de Tamasopo, Dec. I1, 1891. 
P. petiolatum, n. sp. 4,001. 
Rootstock stout, half an inch or more in diameter, wide- 
creeping, and thickly clothed wlth large fulvous (brown) 
scales: fronds scattered, 2" or more tall, 15 to 18” broad, pin- 
nate; stipites stout, 6 to 8" long, and (as well as the long 
stipiform rachises) straw colored, smooth and glossy; lamina 
divided into from sixteen to twenty pair of long acuminated 
inear-lanceolate pinnz 6 to 9" long, three-eighths to one-half 
lan inch broad, stalked nearly to the top, uppermost sub-ses 
sile, the long terminal one with a pair of small sessile pinné 
below; texture sub-coriaceous, smooth; venation that 0 
Goniophlebium, areole uniserial, veins conspicuous, sof 
prominent, thirty to forty each side of the prominent costa. 
On mossy oak, Las Canoas, Aug. 19, 1891. the 
Mr. Pringle wrote me that this fern ‘‘was found on of 
branches of oaks on the mountain sides about the station . 
Las Canoas in the eastern part of the state of San Luis ! ; 
tosi. This must have been near the limit of its ipeauint 
—certainly on the western limit and near the dry reg! 
for I searched somew 
ry d 
and fine Polypodium. 
P. Phyllitidis L. 5,187. 
On trees, Tamasopo, Dec. 1, 1891. 
P. pilosissimum Mart. & Gal. 4,288. : a 
Mossy rocks, Sierra de las Cruces, 11,000, Sept. Il 
P. Plumula. 3,999. 
On ledges, Tamasopo, Dec. I, 18Q1. 
P. vulgare L. 5,190. 
Sierra de las Cruces, 11,000*, Sept. 11; 1892. 
1892. 
TRICHOMANES. 
T. pyxidiferum L. 3,800. 
Mossy rocks, Tamasopo Mts., July, 1891. 
