379 
Fontinalaceae, 
75. Hydropogon breeinerve Hpe. n sp. 
Monoiecum. Caulis fluitans, ramosus, basi ramis gracilibus 
ramulosis distantibus brevibus foliis destitutis plus minusve ob- 
tectis, superne ramis elavatis dense foliatis fusco-viridibus api- 
cibus saepe breve ramulosis. Folis dense imbricata, 'inferiora 
angustiora oblongo-lanceolata acuta, versus apieem denticulata, 
subenervie, cellulis chiorophyllio-einctis parallelogrammiecis, ba- 
silaribus paulo latioribus magis perspieuis; comalia latiors, 
oblongo-ovata, acuminata, denticulata, indistinete nervosa, nervo 
cellulis approximatis Drevi constructo, vel obsolete enervia; 
folia perichaetialia thecam superantia arcte inclusa, lanceolata 
acuminata subintegerrima, enervia; cellulis parallelogrammieis 
minus chlorophylioso-einctis perspicuis. Theca parva, obovata, 
peristomii simplicis dentibus obtusis, brevibus, trebeculatis, in- 
curvis, operculo convexo, Androecium parvum, foliis parvis 
obtusis acuminatis concavis integerrimis enervibus, cellulis parvis 
elliptieis acutis pellueidis, antheridia hıtea laxe includentibus. 
In vieinia Rio de Janeiro, in aquis (@laziou (10217). 
Ab Hydropog. fontinaloide Brid. differt: ramis crassioribus, 
foliis comalibus latioribus acuminatis indistincte nervosis, foliis 
perichaetialibus lanceolatis acuminatis. 
Neckeraceae. 
76. Phyllogonium viride Brid. — Prope Apiahy, sterile: 
Puiggari; Rio de Janeiro, parce fructiferum: Glaziou, 
Neckera. 
a. Paraphysauthus. 
77. Neckera disticha Hdw. — Prope Iporanga: Puigygari 
035). 
78. Neckera Pabsliana ©. Müll. (Botan. Zeitung, 1855). — 
Prope Apiahy: Puiggari (535, 536); prope Iporanga: 
Puiggari (927), ubique c. fructib, perfectis. 
b. Rhystophyllum. 
78. Neckera subaculifolia Geheeb & Hpe. n. sp. 
Dioiea? Caulis secundarius complanatus usque trianeialis, 
distiche pinnatus, pinnis inaequalibus distichis aureo-splenden- 
