PTEROGONIUM PULCHELLUM.
P te ro g o n ium , c au le re p e n te ram o so , foliis u n d iq u e laxis
la n c e o la to -a c um in a tis su b in te g e rrim is en e rv ib u s, c a p su
la o v a to -e llip tic a , o p e rcu lo ro s tra to . ( T a b . IV .)
H a b . In umbrosis montis Ouindiu, locis altioribus, altitudine 1070
hexapodarum prope el Moral, regnum Novum-Granatense.
Humboldt et Bonpland.
Planta: laxe cmspitos» ( / . 1). Caules 3-4-lineares, repentes,
mmosi, hic illic radiculosi { f . 2). Folia ( / . 3) undiqne laxe
imln-icata, patentia, lanceolato-acuminata, obscure serrata,
omnino enervia, lutescentia, nitida. Perichcetialia ( / . 4)
minora, minus acuminata, paululum recurvata, ornnino integerrima.
Seta lateralis, bilinearis, erecta, paululum curvata.
Capsula ( / . o ) ovata seu elliptica, rufo-fusca, erecta. Operculum
suboblique rostratum. Peristomium ( / . 6) 16-denta-
tura, dentibus acutis, luteis.
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.1
Among those species of Pterogonium having their nerveless
leaves imbricated on all sides of the stem, P t. intricaium and
repens have many characters in common with the one here
figured and described. But besides that this is very much smaller
in all Its parts (the most minute that I am acquainted with in
this genus), its leaves are more patent, and of a singularly bright
and shining yellow green.
Fig. 1. Plant 7iat. size. The rest are more or less magnified.