SOUTH AFRICAN Hril'ATIC.K. 439 



Coins 11. Aneiira. Sexual organs from short lateral mar- 

 ginal branches. Capsule ovoid. Thallus often without midrib. 



24. A. compacta St. 



25. A. fastigiata L & L. = Jung, fastigiata L. & L.; 



Riccardia fastigiata (L. cr L.) Pears. 



26. A. multihda (Linn.) Duni. = .fiiitg. iiniltifida Linn. 

 Riccardia iiiiiltifida Gray. 



27. A pinnatifida Nees. 



Gciiiis 12. Metzgeria. J-'exual organs on branchlets from 

 the midrib on the under surface. Capsule spherical. 



2S. M. furcata (Linn.) Dum. = Jung, furcata Linn. 

 2g. M. nudifrons St. 



Family 6. Blvttiace.e. Plant thalloid ; sexual organs from 

 the upper surface, not marginal ; capsule ovoid ; elaters 2-spiral ; 

 elateroi)hores absent. Ring-fibres absent from cells of capsule 

 wall : dehiscence of capsule valves incomplete. 



Genus 13. Blyttia. Perianth present; calyi)tra thin. Grows 

 on moist soil. 



30. B. Stephani (lack). = Pallavicinia Stephani Jack. 



31. B. Lyellii G. L & N. =-- Jung. LyeUii IJk.; Palla- 



vicinia L yell a Gray; Dilccna Lyellii Dum. Com- 

 mon. 

 Goius 14. Symphog'yna. Perianth absent, calyptra succu- 

 lent, bearing the archegonia on its upper portion. Grows on 

 moist soil. 



T,2. S. Harveyana Tayl. 



;^T,. S. Lehmanniana M. & N. = Jung. Lchmanniana 

 Mont. 

 Jung. Lyellii L. & L. 



34. S. podophylla AL & N. -= Jung, podophylla Thun. 



35. S. rhizoloba Nees. = Jung, rhizoloha Seine. 

 Family 7. CoDONI.\CE.^i. Plant with stem and leaves. Cap- 

 sule globose. 



Genus 15. Fossombronia. Folioles absent. Rhizoids pur- 

 ple. Frequent on moist soil in shade. 



36. F. crispa Nees. = Jung, pusilla Leiini. 



37. F. leucoxantha L. & L. = Junq. leueo.vantlui L. 



& L. 

 TfS. F. ]wsil]a ( Linn. ) Dum. = Jung, pusilla Linn. 

 39. F. tumida Mitt. 

 Sub-order 2. ACR()GYN.li. Archegonia terminal on stem 

 or Ijranch, the involucre ( ])erianth ) representing true leaves. 

 Antheridia borne in axils of more or less modified leaves. 

 Stem always producing two lateral rows of leaves, and an 

 additional row of small leaves (= folioles or amphigastria) is 

 often present on the lower surface. 



Tribe 1. Jubuloide.e. Elaters few, with only one spiral 

 fibre, and fixed by one end to the capsule-wall, and pendent, 

 extending to the base of the capsule-cavity. Archegonia usually 



