264 
V. F. Brotherus. 
18. Fissidens (Reticularia) juruensis Broth, n. sp. 
Autoicus; robustiusculus, caespitosus, caespitibus laxis, pallida 
viridibus, haud nitidis; caulis usque ad 7 mm altus, strictiusculus, 
infima basi fusco-radiculosus, laxe foliosus, simplex; folia c. 8 juga, 
sicca et humida homomalla, erecto-patentia, infima minora, superiora 
multo majora, elongate spathulato-ligulata, breviter acuminata, 
obtusiuscula vel obtusa, c. 3 mm longa et usque ad 0,75 mm lata, 
marginibus minute crenulatis, elimbata, lamina vera brevi, infra 
medium folii evanida, lamina dorsali breviter decurrente, basi an- 
gustata, nervo lutescenti- viridi , longe infra apicem folii evanido, 
cellulis laxis, oblongo-hexagonis, marginem versus multo minoribus, 
marginalibus perminutis, omnibus laevissimis; seta 10 mm vel 
paulum ultra, geniculato- adscendens, sat tenuis, lutea, nitidiuscula, 
laevissima; theca subhorizontalis , asymmetrica, arcuatula, sicca sub 
ore constricta, fuscidula; peris tomii dentes rubri, fere ad basin in 
crura bina, longissima, scabra, spiraliter incrassata divisi; oper- 
culum e basi conica recte subulatum; calyptra conica, Integra, 
operculum tantum obtegens. 
Estado de Amazonas: Rio Jurua, auf Erdboden (n. 1963, 
Bryoth. brasil. n. 250). 
Species valde peculiaris, ab omnibus speciebus sectionis adhuc 
cognitis foliis elimbatis dignoscenda. 
19. Fissidens (Bryoidium) ensifolius Broth, n. sp. 
Dioicus; tenellus, caespitosus, caespitibus laxis, pallide viridi- 
bus, nitidiusculis; caulis vix ultra 3 mm altus, strictiusculus, infima 
basi fusco-radiculosus, simplex; folia c. 8 juga, sicca vix homo- 
mallula, humida stricta, erecto-patentia, infima minuta, superiora 
multo majora, elongate linearia, obtusiuscula, mucronulata, usque ad 
2,1 mm longa et c. 0,28 mm lata, marginibus integerrimis, ubique 
limbata, lamina vera ad medium folii producta, ala acuta, lamina 
dorsali e basi nervi enata, basi angustata, nervo lutescente, breviter 
excedente, cellulis rotundato-hexagonis, c. 0,010 mm, valde chloro- 
phyllosis, laevissimis; seta 5—8 mm, strictiuscula, tenuis, rubella, 
laevissima; theca minuta, erecta, oblonga, sicca deoperculata sub 
ore constricta, fuscidula; peristomii dentes rubri, dense lamellati, 
longe ultra medium in crura bina, filiformia, pallida, spiraliter in- 
crassata, sublaevia divisi; spori c. 0,010 mm, pallidi, laeves; oper- 
culum e basi conica oblique subulatum. Calyptra ignota. 
Estado de Amazonas: Jurua Miry, auf Erdboden (n. 1962, 
Bryoth. brasil. n. 249). 
Species F. Kegeliano C. Miill. affinis, sad foliis longe et an- 
guste linearibus, cellulis minoribus nec non seta multo longiore 
prima fronte dignoscenda. 
