344  STEGOCARPI. PLEUROCARPI. Hypyum. 
crebre divisis remotis apice homomallis; folia caulina fal- 
cato-secunda undique inserta fusco - viridia nitentia, e 
basi angustiore ovata longe acuminata, summo apice den- 
ticulata, enervia; theca in ped. breviusculo recto inclinata 
ovato- oblonga fusca, operc. conico subulato obliquo; pe- 
rist. d. int. imperforati, ciliis binis interjectis. +. 
Brid. 11. p. 616. 
Patria. Dusky-Bay Novae Seelandiae: Menzies 
1791. 
232. W. pyrrhophyllum C. Müll.; monoicum; caulis 
repens ramosus, ramis erectis simplicibus rarius ramulo- 
sis dense foliosis rufescentibus; folia caulina dense im- 
bricata patentia oblonga longe acuminata integerrima ener- 
via nitentia profunde concava pellucida, inferne fusces- 
centia, superne pallide viridia, cellulis linearibus confer- 
tis; perich. ovato-acuminata, intima lanceolata longius 
acuminata subvaginantia; theca in ped. breviusculo tor- 
tili laevi purpurascente suberecta v. cernua parva oblonga 
parum inaequalis brunnea, basi fusca, operc. subulato ob- 
liquo thecam aequante; perist. d. ext. inferne ferruginei, 
int. solidi subhyalini, ciliis rudimentariis (?). +- 
Leskea fulva Msch. Fl. Bras. I. p. 73. 
Patria. Brasilia, prov. Rio Negro, ad fl. Japurá, in 
montibus Araracoara et Cupati: Martius mensib. De- 
cembris usque ad Martium fertile legit. 
k B. Folia uninervia. 
a. Folia distincte homomalla. 
233. M. leucostegum C. Müll; monoicum; caulis 
laxe cespitosus humilis prostratus, ad paginam inferio- 
rem radicans, ad superiorem homomallophyllus glauco - vi- 
ridis v. lutescens, parce breviter divisus, densifolius; fo- 
lia caulina laxe imbricata, valde ad latus unicum spectan- 
tia, e basi angustiore breviuscule anguste ovato - acumi- 
nata integerrima. cymbiformi -concava margine erecto v. 
vix revoluto, nervo unico ullra medium producto, cellu- 
lis mollibus virentibus elongatis angustis, alaribus multis 
