520 NARDIA. 
F13x1:2,15x13; ¢s:; br 25x21; per 30x 1:0™, 
Ceespites lati, virescentes vel subrosei. Caules $—-1-pollicares nigrescentes, 
basi decumbente subaphylli, radicellis autem purpureis villosissimi 
et ramos paucos stoloniformes edentes, dein erecti subsimplices minus 
radicellosi. 
Folia subimbricata patulo-ascendentia, apice recurvula, siccando valde 
flaccida, suboblique orbiculata, basi antica subdecurrentia, plus minus 
undulata integerrima; cellule mediocres subeequilaterze chlorophyl- 
lose. Foliola 0. 
Flores dioici: 2 fertilis, innovatione nulla, sterilis nullé vel perrara, 
suffultus. Bractez foliis duplo fere majores convolutivee, duz in- 
time basi perlanthio alte adnate; bracteola 0 vel parva semicircu- 
laris. . 
Perianthia paulo vel alte emersa ovalia profunde obtuse 4-6-plicata, apice 
demum 4-6-fida, ore ipso integerrima. Capsula subglobosa. 
Plante’ ¢ caulis tota fere longitudine antheridiiferus ; bractez laxiuscule, 
antice dilatatee et incurvo-concave, diandre. [In planta Anglica 
bracteas 3-4-andras aliquando invenio; interdumque intra bracteas 
floris ¢ apicales genitalia foeminea (semper sterilia?) quod “ flores- 
ceutiam paroicam ” sistit, eandem ac in affini J. obovata. | 
J. callithriz L. et G., huic affinis, minor est, prostrata; foliis subdimidio 
minoribus, ovatis, semper fere longioribus quam latis, haud undulatis, 
cellulis minoribus; bracteis minus alte adherentibus. 
2. NARDIA CALLITHRIX (Ldng. & G.), Jungermania callithric L. et G. 
Syn. Hep. 673. 
Hab. Andes Quitenses, in m. Tunguragua, alt. 2000", ad terram et rupes 
humidas. Mexico (LIEBMANN). 
F [Ox D > a3—pmm. 
Viridis, prostrata. Caules 4-}-pollicares, subsimplices, radicellis crebris 
longissimis rubellis intertexti matricique arcte adhzerentes, spe 
versus medium incrassati. 
Folia pellucida imbricata patula concava vel subplana, ovato-rotunda, in- 
tegerrima, siccando flaccida; cellule mediocres equilateree subpel- 
lucid, marginales subquadratz. Folila 0. 
Flores dioici: 2 terminales, plerumque sine innovatione; bractez foliis 
sublatiores, interna saltem perianthio basi adherens. 
Perianthia subemersa ovata obtuse 3-5-plicata, ore constricto demum 
3-5-lacera. 
Amenta ¢ terminalia: bracteze paucijuge, ventricoso-concave, mar- 
gine antico subdilatate incurvuleque, diandre. 
3. NARDIA succULENTA (Rich. Mst.) var. Crossti. 
Hab. Andes Bogotenses juxta Popayan, in rivuli arena, Cephalozia Cross 
consociata. Cl. Ros. Cross invenit, a. 1877. 
F 13x18, 1:15x1-4, 10x12; ¢ pay, ¢. marginales py; f* 8x4; 
br 16x1°8; br4 13x ‘6; per 23x11; caps *75™™, 
Arcte cespitosa pallide viridis tenerrima. Caules suberecti simplices vel 
ramos perpaucos e facie subposticé proferentes, radicellis albidis 
longis crebris sibi matricique adfixi. 
