14 
FERNS OF THE WEST 
pale-yellow. Resembles Gymnogramme triangularis. {N creiacea, Eaton, 
Bot. Mex. Bound; N. Candida y2o:. y-fido-pct^lfnata, Hooker.) 
Texas to New Mexico. 
-H- -K- Frond bi- to quadid-pinnate. ; pinnce stalked. 
^ Frond not less than tri-pinnate ; pinna rather long stalked; final di- 
visions oval or elliptical, entire or three-lobed, very small; powder white : 
stalks very dark, polished, tufted. 
15. N. dealbata, Kunze. whitened 
Frond triangular-ovate, quadri-pinnate at base ; pinnae chiefly oppo- 
site; rachis straight ; final divisions 1-2410 1-12 inch long. {^Cheilan^ 
thes , Pursh.) 
Kansas to Arizona; on dry, precipitous, chalky rocks. 
16. N. lliyea, Desvaux. (The snowy N.) 
Frond triangular-ovate, tri-pinnate; pinnae mostly opposite, rachises 
nearly straight, final divisions ovate or oval, obtuse, entire or lobed, 
smooth and green above, densely white-powdery beneath : spore-cases 
brown, often running half-way down the veinlets. Stalks black and 
shining. \ 
Tombstone Mine, Arizona; Mexico. 
17. N. Fendleri, Kunze. (^Fendled s^.~) 
Fronds often almost five times pinnate ; pinnae alternate ; rachis and 
all its branches bent in a zigzag, tangled way; final divisions 1-12 to ^ 
inch long, often white-dotted or glandular above. 
Clefts of rocks, occurring as high as 8,000 feet above the sea. One of the most 
beautiful ferns. Colorado to New Mexico and Arizona. 
Fronds narrowly lanceolate, bi-pinnate ; pinnce very short stalked, 
loiver ones distant; final divisions linear or oblong, not 7nmute. 
18. N. LemillOlli, Eaton. (yLemmon' s N.) 
Stalks, rachis and all its branches black, shining, almost smooth; 
pinnae ^ inch long, broadly triangular; lower pinnules linear, parted or 
lobed, upper scalloped and passing into mere lobes of the pinnae ; powder 
yellowish ; spore-cases scanty. 
Southern Arizona. A very recent discovery. 
19- N. Orayi, Davenport. (^Gray's N.) 
Stalks cinnamon -colored, minutely pubescent and glandular, and 
with scattered, awl-shaped, lacerate, long-acuminate, cinnamon-colored 
scales, which extend to the midrib of the pinnules also ; pinnae inch 
or less long ; pinnules broadly oblong, white-powdery beneath, margin 
slightly lacerate and beautifully white-powdery on the upper side ; spore- 
cases very abundant. 
Southern Arizona. A very recent discovery. 
* * * * Fro 7 id without scales, powder, hair, or wool. 
20. N. teiiera, Gillies. (The delicate N.) 
Frond pinnate to tri-pinnate, almost leathery, ovate-triangular; 
pinnae chiefly opposite, distant; final divisions ovate or almost heart- 
shaped, about 1-12 inch long. Six inches or more high. 
In clefts of precipitous rocks. Southern Utah, near St. George, (Parry & Palmer). 
Very rare. Also in Bolivia and Chili. 
