568 AITONIA 
strata, cell. 2 v. 3 lata, limbate ; intus venoso-cavernose, cavernis sub 
6 cell. latis, 2plo—3plove longioribus. Cellule sat magne elongatze 
leptodermes. Pale hypophylle uniseriatee subimbricate, rosez 
apice albide, frondis latitudine multo breviores, basi lata trans- 
versa luserte, oblique triangulari-acuminatie, repande, infra apicem 
scariosum vel constrict vel non. 
Flores dioici: 2 antici, media fronde, vel apicem versus, orti. Pedun- 
culus brevis tenuis, basi nudus, apice paleis paucis pallidis angustis, 
longe subulatis acuminatis flexuosis barbatus. Involucra vel solitaria 
unilateralia vel bina opposita, pedunculi apice lata basi affixa, bi- 
valvia, rima obliqua fere verticali. Calyptra inclusa, involucro ex 
parte adnata, tenuis fragilis, pedetentim disrupta. Capsula paulo 
minor, subsessilis globosa, operculo margine digitato-fimbriato 
(laciniis’sub 16) cireumscissim dehiscens. Spore magne flavo-fuscee 
subtetraedree, perisporio pellucido cristatim reticulato. Elateres 
sporis 6plo longiores tetraspiri obtusi. 
Pl. Peruvianum Mont. differre videtur fronde canaliculata, subtus solum 
apicem versus squamosa; pedunculo plus duplo breviore basi paleaceo ; 
capsula apice dentibus dehiscens, nec circumscissa; elateribus solum 
dispiris. 
AITONIA LANIGERA, Spruce. 
Hab. Andes Quitenses, juxta urbem Ambato in declivibus saxosis humidis ; 
necnon in rupibus trachyticis ad pontem de Banos dictum supra 
fluyium Pastasa, sociis Fimbriaria elegante, ete. 
Frondes 16 x 4-7; palee hypogene 2°2 x 2°0,¢. palearum 45; ped 20; invol 
& “a2 YI g hi 10 ’ 
15, paleew invol 4:0 x 3-5; caps 12 2; elt "25; spore i5™™. 
Frondes plagas latiusculas sistentes, prostrate, imbricata, anguste obovato- 
oblong, simplices vel furcatee, ramulos paucos posticos proferentes ; 
supra albescentes exareolate, e margine crenulato incurvulo (sic- 
cando involuto) subconcavee ; facie inferiore convexula nigro-purpureé 
ductulis preelongis filiformibus albidis, e tuberculis internis punctu- 
latis, costee medio tergo ortis, cum radicellis immixtis, dense lanate ; 
cellulis paucistratis parvulis equilateris conflate, intus late caver- 
nose. Paleze hypogense magnie rose biseriatee imbricatse appresse, 
oblique triangulares sensim acuminate, pulchre reticulate, parce 
perforate. 
Flores dioici (?): 2 in media fronde solitarii, vel bini subdissiti. Pedun- 
culus longitudine varia, basi apiceque paleaceus. Capitulum con- 
vexum pallidum tenne. Involucra 2 vel 3, oblongo-globosa, rima 
verticali bivalvia, valvulis tenuibus cochleatis. Paleze involucrales 
numerose, pendule, preelonge subulate sensim acuminate, basi 
rose, apice scariose. Calyptree tenerrime residua in involucri 
fundo persistentia. Capsula sessilis, involucrum fere replens, glo- 
bosa, virescens, fragilis, cellulis unistratis inanibus conflata, operculo 
al suturam plurifido dehiscens. Elateres breviusculi, sat crassi, 
obtusi, 4-spirl. Sporse magne flavee tetraedrae, aciebus compressis 
crenulatis, perisporio pellucido reticulato-scrobiculato, 
XLVI. CLEVEA, Lindberg. 
Musci novi Scandinavici in Act. Soc. pro F. et F. Fennica (1868). 
Ab Aitonia ete. distat fronde tenerrima, supra distincte reticulata ; 
