96 AMERICAN FERN JOURNAL 
Hart, and I dare not separate out as species the numerous 
Andine forms, which are found from Arizona to Ecuador. 
I can distinguish two or three varieties, which I prefer 
to describe in another paper. Nephrodium mexicanum 
Pres] is commonly supposed to belong here; as mentioned 
above, I believe it is identical with D. Fournieri. 
9. Dryopteris Maxoni Und. & C. Chr. sp. nov. : 
Rhizome oblique, thick, sparsely paleaceous. Stipes 
thick, cecum terete, 3-4 dm. long, sparsely — 
with e ovate, pale or black-brown scales. —— 
deltoid, ia oa or ovatelanceolate, 4-6 dm. one ce 
apyraceous or almost co: pale green, quite des- 
titute of — ~ furnished poy scattered som small 
the largest up to 15 em. long. Pi ez ote, equi- 
lateral, the lower ones free with t contracted, the 
middle decurrent, the upper confluent, pinnatifidly cut 
_ almost to the costula. JI.obes oblong, entire or often — 
dentate at the truncate acing Veins furcate. Sori 1 or 2 to 
alobe, eovered with | niform, hemispherical, coria- _ 
Te 
-ceous indusia, which are sniuntely. ene ~_ per: 
Reetly conceal the sporangia. 
Specimens of this species were distributed some yee 
ago under the name D. Mazoni Und. n. sp., by C. G. 
Pringle, no. 8846, but the species has been undescribed 
i until now. ‘Specimens of this were included in several lots 
ae forwarded to me at different times ‘ge Mr. WwW m. las Maxon, . 
"and it is a pleasure t m sihilt this 
JouRNAL and to follow Underwood in dedicating it to 
American: rend 1 in iE doce ate to whom r am in- 
