EXPLANATION OF PLATE XXIII. 



1'ELLI A. Plant of P. cpiphylla ; calyptra with base of pedicel ; capsule ; an 

 clater, part of same, two spores, and two antlieridia. 



BLAS1A. Plants of 15. pusilla ; section of cavity at the end of the midrib 

 showing young perianth and calyptra; end of thallns with calyptra and 

 protruding capsule; capsule dehiscing; elaters and spores; part of elater 

 and two spores; thallns with two niitheridia ; geinniiparous thallus 

 with two rece]>tai-les ; section of a receptacle sho\\ ing enclosed gemma; 

 and llie protruded orifice. 



MKT/GKliIA. Plants ( g, 9 . ; "1 genimiparous) of M. furcata, and parts 

 of same enlarged ; hispid perianth with 2-lobed involucral leaf and base 

 of pedicel; a gemma ; an anther idium ; elaters and spores. 



ANKl'UA. Plants ( r and 9 ) "f A. sessilis ; section of fleshy calyptra with 

 hase of pedicel ; dehiscing capsule bearded by persistent elaters; elaier, 

 part of same, and spores; part of thallus with long denexed $ recepta- 

 cles, and one cut 1 rans\ erselv showing antlieridia. 



POSSI LMI51K )MA. Plant of F. pusilla, and a part enlarged; capsule de- 

 hiscing, with perianth and involucral leaves; part of stem with two leaves 

 and dorsal antlieridia ; an antheridium, elaters, and spores. 



G KI i! ' A LYX. Plant of G. graveolens ; two pairs of leaves with underleaves ; 

 part of stem with an nnderleaf ; sect inn of involucre showing calyptra and 

 base of pedicel ; dehiscent capsule ; elaters and spores. 



GRIMALDIA. Parts of $ and 9 plants of G. barbifrons ; section of $ 

 disk; 9 receptacle and section of same ; dehiscent capsule; elaters and 

 spores. 



CIllLOSCYPIirS. Plant of C. ascendens ; a leaf with nnderleaf ; a pair of 

 leaves with antlieridia; a part of stem with involucral leaves, perianth, 

 and cahptra: dehiscent capsule; elaters and spores. 



11 A HPAXTlirS. Plant of II. Flotnvianus, and same enlarged; a pair of 

 leaves with underleaf : perianth with iimilucral leaves, and section show- 

 ing calyptra; elaters, a part of one. and spores. 



L< )P1K )('< )LIOA. Plant of L. heterophylla, ; a part enlarged with involucral 

 leaves and perianth; cross-section of perianth; three pairs of leaves with 

 underleaves; a leaf and antheridium ; an underlenf ; an elater and spores. 



CEPIIAL( >ZIA. Plant of C. multiHora ; two pairs of leaves ; perianth with 

 involucral leaves; an involucral leaf ; calyptra; capsule closed, and dehis- 

 cent; an elater and spores. 



GYMX< IMITHIUM. Plants of G. concinnatum ; three pairs of leaves ; apex 

 of stem with involucral leaves and dehiscent capsule; two involucral 

 leaves; calyptra. 



MAKSl'PKLLA. Plant of M. emarginata : part of same with involucral 

 !' cs; involucre and perianth opened showing calyptra and base of pedi- 

 cel ; capsule; elater and spores. 



