1895.) Undescribed Plants from Guatemala. 545 
periori angulo recto abruptis vel moderate auriculatis 6™ 
longis basi 8"" ad 1™ latis falcatis horizontaliter patentibus, 
simpliciter, ad basin rarius furcato-serratis, serratura valde 
regulari et parallela, dentibus 2™ longis obtusiusculis, pinnis 
a parte media versus apicem in caudam angustam profunde 
serratam sensim productis; soris circa 12 quoque latere nervi 
medii pinnz, a nervo versus marginem angulo patente (nec 
valde obliquo) tendentibus, sed dentes marginis non intranti- 
bus latis brunneis sese fere tangentibus parallelis; textura 
papyraceo-herbacea, nervulis occultis. 
Habit of A. dzsectum Sw., but pinne broader (more resem- 
bling those of A. protensum Schrad.) and not incised-pinnat- 
ifid but simply and regularly serrated. Very peculiar by the 
very close large sori, occupying the undivided part of the pin- 
ne. Differing from A. falcatum and protensum by the long 
cauda of the pinne. 
“Nebdj, Depart. Quiché, Guat., alt. 7,000", May 1891, 
Heyde & Lux, no. 4,678. 
‘ASPLENIUM SHEPHERDI Spreng., var. bipinnatum H. 
Christ.—Differt magnitudine dupla vel tripla typi, pinnis 
9” distantibus, perfecte bipinnatis nec bipinnatifidis, pin- 
nulis pinnarum solutis 1.5 ad 2™ distantibus, margine inferiori 
decurrentibus, sed interstitio libero. Infra apicem pinnatifi- 
dam pinnz adsunt circiter 8 harum pinnularum solutarum 
quoque latere. 
“Volcan Tecuamburro, Depart. S. Rosa, Guat., alt. 6,000%, 
Febr. 1893, Heyde & Lux, no. 4,680. 
Nephrodium nigrovenium H. Christ, (§ LASTR#A); stipiti- 
bus pluribus ex apice caudicis oriundis (aque ac in N. conter- 
mino Desv.) 18 longis debilibus stramineis, cum rachi pilis 
subulatis nigris 2 ad 3™ longis vestitis; fronde herbacea gla- 
bra obscure viridi infra vix pallidiore triangulari-deltvidea 30™ 
longa basi 8™ lata versus apicem decrescente, infra apicem 
pinnatifidam 12 pinnis oppositis quoque latere instructa; pin- 
nis infimis 9™ longis 3™ latis sessilibus lanceolatis acuminatis, 
in apicem subcaudatam productis, infra proxime versus ner- 
vum nigrum, sed non ad nervum ipsum incisis, supra ala mediali 
3™™ lata remanente; lobis ligulato-falcatis 5°" latis sese fere 
tangentibus manifeste et regulariter serrato-dentatis acutius- 
culis, nervulis quoque latere circiter 8 ad 1odistinctis, nigris, 
28—Vol. XX.—No. 12. 
