Contributiones ad Bryologiam austro -afram. 139 
235. Rhynchostegium (Leptorhynchostegium) leskei- 
folium n. sp.; cespites lati decumbentes stramineo-lutescentes in- 
tricati teneri, caulis gracillimus longiuscule prorepens, ramulis brevis- 
simis tenerrimis irregulariter pinnatim vel vage divisus varie flexuosus; 
folia caulina erecto-imbricata madore erecto-patula minuta, e basi 
angustiore excisa breviter ovato-acuminata, margine ubique erecto 
tenerrime denticulata, nervo brevi tenuissimo obsoleto leviter carinato- 
exarata, e cellulis minutis diaphanis ellipticis ad alas basilares magis 
rotundis minoribus areolata; perichaetialia multo majora dense con- 
volutaceo-appressa, e basi vaginacea oblonga in acumen strictum 
denticulatum loriforme sensim attenuata; theca in pedunculo mediocri 
tenui rubro glabro minuta inclinata oblonga; peristomium brevius- 
culum rubiginosum, dentibus internis perangustis minute perforatis, 
ciliis singulis teneris levibus. Caetera nulla. 
Habitatio. Prom. bonae spei, in ligno putrido ad flumen 
Towriver, Nov. 1875, c. fr. binis vetustis: Dr. A. Rehmann sub 
Brachythecio leskeifolio C. Müll. in Coll. Musc. A. A. 
236. Rhynchostegium afro-rusciforme n. sp.; cespites 
decumbentes depressi viridissimi nitiduli intricati plagiothecioidei; 
caulis in ramulos latiuscule complanatos strictiusculos obtusatulos 
fasciculatim divisus; folia caulina dense equitantia madore valde 
patentia subdistichacea in axi tenuissimo virente disposita majuscula, 
e basi angustiore parum impressa in laminam latiuscule ovatam 
breviter acuminatam serrulatam subsymmetricam planiusculo-concavam 
producta, nervo angusto supra medium evanescente exarata, e cellulis 
angustis laxiusculis valde laete chlorophyllosis reticulata; theca in 
pedunculo breviusculo tenuissimo rubro inclinata parva breviter ob- 
longa. Caetera nulla. 
Habitatio. Prom. bonae spei, Somerset East, Mte. Boschberg, 
in sylvis ad truncos arborum, 1878: Prof. Mac Owan codam anno 
misit. 
A Rh. senodictyo nob. (olim sub Hypno) foliis multo majori- 
bus molliter laxe reticulatis laete chlorophyllosis certe diversum. 
237. Rhynchostegium (Leptorhynchostegium) natali- 
strigosum n. sp.; cespituli tenelli lutescentes humiles semipolli- 
cares; caulis repens, ramis ascendentibus tenuibus simplicibus strictis 
vel parum flexuosis divisus; folia caulina parva siccitate et madore 
stricte erecto-patula veluti squarruloso-patentia, e basi angustiore vix 
impressa ovata-acuminata breviter subulata, carinato-concava tenuis- 
sime denticulata nec serrulata, nervo angustissimo supra medium 
evanido exarata, e cellulis angustis longiusculis in membranam luteam 
conflatis areolata; theca in pedicello pro plantula longiusculo crassius- 
culo rubro glabro inclinata majuscula breviter oblonga ore constricta, 
operculo conico-subulato. Caetera nulla. 
