M AXON — STUDIES OF CROPK IL \\lll;l< \\ ill. 199 



below, in the upper parts and on the rachis mixed with longer simple hairs, 

 these at length predominating; lamina triangular-deltoid, i<» cm. long, -:~ cm. 

 broad, aboul L5 to L7-jugate, decreasing regularlj al the apex; pinna? straight 

 or nearly so, opposite throughout, short-stalked (1 mm.), lanceolate, attenuate, 

 the midvein stout, conspicuously elevated, covered with erecl i"HL r and shorl 

 simple bairs, these extending also to the veins and veinlets; lowermosl pinna! 

 13.5 cm. long, 2.8 cin. wide, borne al an angle of 90 . by the reducti f tin- 

 two or three lowermosl pairs of segments nearly ligulate al the base (8 mm. 

 wide), Increasing abruptly to the full width (2.8 cm.), in the remainder of the 

 basal halt* lobed aboul one half the distance to the midrib, the lobes gradually 

 much shallower toward the entire attenuate apex; lobes approximate, oblique, 

 slightly falcate, rounded-truncate, those of the superior and inferior sides about 



equal, the largesl 6 i broad, with aboul 9 or 10 pair- of simple veinlets, the 



lowermosl two (or three) pairs running to the narrow sinus (or the firsl pos 

 terior veinlel sometimes only short-excurrent) ; succeeding pinna? gradually 

 smaller, of the same general form, gradually less reduced at the base, the 

 sixth pair of pinna 1 with only the lirst pair of segments reduced, upper | 

 with base as broad as the middle, ultimate pinna' greatly reduced (1.5 to 2 

 cm. long), Anally adnate, decreasing regularly into a shorl entire apex; sori 

 of the largesl segments '.» or L0 pairs, large, medial, the indusium lighl brown, 

 with numerous long simple white hairs. 



Type in the CJ. s. National Herbarium, no. 128925; from the Jenman her 

 barium, marked in Jenman's hand as from the " Barima River, British Guiana." 

 A second sheet has identical data. 



/>. latiuscula is of the section Eudryopteris and closely related to I>. pyrami- 

 data; to be distinguished by its stouter vascular parts, opposite and less deeply 

 lobed pinnae and especially by the greatly reduced basal segments of m< 

 the pinna', even the upper pinna? never broader at the base than al the middle. 

 It is less nearly allied to IK johnstoni. 

 Elaphoglossum palmeri L'nderw. v.V Maxou, sp. uov. 



Mature plants 22 to 15 cm. high, with narrow fronds covered <>u both sides 

 with more or less scattered irregularly stellate scales: rootstock slender, creep- 

 ing, densely covered with copious dark-brown shining prickly-ciliate linear 

 lanceolate scales, these continuing a short distance up the slend< there 



mingled with whitish or rusty long-ciliate scales; sterile fronds with stipes 

 5 to I s cm. long, lamina 20 to "JO cm. long, very narrowly elliptic or 

 oblanceolate, usually widest (6 to I s mm.) one-third the distance below the 

 apex, gradually long-tapering below, tapering mere rapidly toward the apex, 

 both surfaces covered (often densely so when young) with rather small 

 whitish or slightly brownish, ciliate or irregularly stellate scales, those of the 

 midrib beneath and on the margins with a broader body: sporophyls similar 

 in shape to the sterile fronds bul shorter and with relatively longer stipes, cov- 

 ered mere or less closely with irregularly stellate scales above, fibrillose with 

 ciliate scales on the midrib beneath; veins distinct, oblique, mostly once-forked 



(usually near the base), Slightly thickened toward tl ml and scarcely I 



in- the margin thus forming a condition between §Stenoneura and §Condj 

 loneura but nearlj approximating the former. 



Type in the U. S. National Herbarium, no. 372375 : collected near El Guama, 

 Province of Pinar del Rio, Cuba, on banks of au open stream in the pine mouu 

 tains. March 12, 1900, by William rainier and J. II. Riley (no. 286). Uso 

 collected by Charles Wright (no. 3957), in the year 1865, probably in the same 

 paia of the island. The type specimens are lacking in sporophyls hut repn 



26379 <>s :; 



