442 SOUTH AFRICAN HEPATIC.E. 



always more than four. Leaves various ; perianth often not 

 ridged ; seta long ; capsule 4-valved. bursting to the base. 



Family 10. Porellace^. Leaves incubous. complicate-2- 

 lobed, the lower lobe the smaller. Capsule wall of 2 layers, the 

 inner thickened irregularly. Folioles present. Perianths ter- 

 minal on short lateral branches, free. 



Genus 19. Madotheca. Characters of the family. Both 

 epiphytic and on soil. 



78. M. capensis G. = Forclla caj^cnsls Mitt. 



79. M. sp. 

 8g. M. sp. 



Family 11. Radulace.e. Leaves incubous. complicate-2- 

 lobed. the lower lobe the smaller. Ca])sule-wall of two layers, 

 the inner thickened irregularly. Folioles absent. Perianth 

 usually terminal on the stem, compressed, free. Rhizoids often 

 produced from a wart on the lobule.. 



Genus 20. Radula. Characters of the family. Fpipbytic 

 or on wet mud. 



81. R. at[uilegia Tayl. =: R. f^liysoli)ha Moiit. 



82. R. capensis St. 



83. R. complanata Dum. =: Juufj. coiuphuiala Linn. 

 Jubulo coiuplanata Corda. 



84. R. Lindbergii G. = R. coiuimilata G. 



Family 12. Scavaissiaceal. Leaves transverse or succubous, 

 comi)licate-2-lobed, the upper lobe the smaller, or the lobes nearly 

 equal. Folioles often i)resent. 



Genus 21. Schistochila. Peric^iUth connate with the 

 caly]:)tra into an erect fleshy marsupium. Rhizoids red. Foliole 

 bififl and toothed. 



85. S. alata (Nees) = GottscJica alota Ners. 

 Familv [3. Ptilidiace.ti. leaves either incubous or almost 



transversely inserted, deeply cut into two or more segments, not 

 conduplicate ; folioles i)resent, similar and almost as large. In- 

 volucral leaves polyphyllous. Perianth plaited at the mouth, 

 often concrescent with the involucre. 



Genus 22. Chanondanthus. Inflorescence terminal. Leaves 

 deeply several-lobed. dentate at base; folioles similar and about 

 as large, but 2-lobed. 



86. C. hirtellus (Web.) Mitt. -: Jung, hirtella IJ'eh. 

 Jung, fimbria I a Rich. 



Genus 2T,. Anthelia. Inflorescence terminal on stem and 

 branches, leaves imbricate, keeled, with 2 equal acute lobes ; 

 folioles similar. Involucral bracts adnate to the base of the 

 perianth. 



Sy. A. africana St. 

 Genus 24. Herberta. Inflorescence terminal; leaves secund. 

 deejily 2-lobed ; lobes long and narrow with a central band of 

 long cells resembling a midrib. Perianth free but nearly con- 

 cealed among bracts. 



88. H ochroleuca. (Spreng.) = Jung, ochroleuca 

 Spreng. ; 



