DER 
nosus, radieibus crebris, niveis humo arctissime affıxus. Folia 
evidentissime dimorpha, lateralia horizontaliter expansa, humo 
adpressa, retrorsum curvata, faleiformia, acuta, verticaliter 
inserta, longe decurrentia, specie binervia, carnosa, sicca 
membranacea, diaphana, intermedia triplo minora, pluriserialia, 
cauli arcte adpressa, elongato-triangularia acuta. Spiea in 
scapo elongato solitaria, bracteis eirciter 9-seriatis. Angola. 
(Welw.) Natalia. (Burke) L. carolinianum £. grandifolium 
Spring. 
: Dahn tuberosum A. Br. et Welw. Surculi repen- 
tes, elongati flexuosi parce ramosi. Rami steriles saepe sto- 
lonum more attenuati et apice in tubera oblonga dura 10mm. 
longa, 5 mm. crassa (amylofareta) intumescentes. Caulis tenuis 
dorso aphyllus, radicibus hinc inde humo affıxus. Folia minus 
evidenter dimorpha, lateralia subexpansa, oblique lanceolata, 
antice latiora, oblique inserta et breviter decurrentia; inter- 
media patula, erecta, lateralibus vix breviora, sed duplo 
angustiora, omnia subulato-acuminata in aristam flexuosam 
apice hyalinam producta, Spica in scapo elongato solitaria, 
bracteis 9—11 seriatis. Angola. (Welw.) 
Selaginella rubricaulis (Moore?) A. Br. msc. M’Nab 
in Seemann journ. bot. 1867. 149 (non 143). 
Sureuli erectiusculi, inferne tantum radicantes, stolonibus 
carentes, palmares, pyramidato-vel subfastigiato-ramosi, ramis 
erecto-patentibus laxe pinnatis, ramulis parum divisis. Radices 
anticae, tenues, capillares. Caulis subtlexuosus, aquose pur- 
purascens vel carneo flavescens, siccitate expallens, pleuro- 
trope subtetragonus, dorso dilatatus nudus. Folia undique 
dimorpha, versus apices ramorum paulo decrescentia, deorsum 
longius remota, sursum paulum distantia vel subcontigua, 
mollia, subopaca, diaphana, subtus pallidiora, lateralia antica, 
oblique inserta, erecto-vel subhorizontaliter patentia, inferiora 
oblique ovato-oblonga, superiora oblique lanceolata, inaequi- 
latera, antice latiora et versus basin dilatata, postice recta et 
basi subauriculata, acuta, utroque margine anguste marginata 
et minute denticulata, antice versus basin remote ciliata, nervo 
subtus late prominulo versus apicem evanescente; folia axil- 
laria subaequilatera, ceterum lateralibus similia; folia inter- 
media duplo quadruplo minora subolique ovata vel ovato- 
lanceolata, basi attenuata et oblique inserta, dorso carinata, 
apice in aristam curvato-patulam laminam subaequantem 
sensim acuminata, laxe ceiliato-dentata. Spieae ramulos ter- 
minantes eosque latitudine subaequantes superficie planae et 
pulchre pectinatae. Bracteae superficiales 
carina latissima alatae, inclusa carina oblongo-lanceolatae, 
obtusae denticulatae; dorsales duplo breviores, pallidae, 
