CRYPTOGAMS 



LIVERWORTS 



PLATE XX. 



Fig.l General appearance, ofZunidaria 



a. Female Plant 



L U N U L A R I A 



Fig. 4 Exmsverse section ofThallas 

 Fig. 2 Upper surface ofThnlhus crcrrpr^^ ap*** 





b. upper surface. c. under surface 



y 



Respiratory Pore in centre 

 of each, tract. 



Irregular shaped tracts 

 oven-tying Air spares 



Fig. 3 Respiratory Fore 



enlarged. 



^^t Operuno ^^m Ouara 



Cells containing Chlorophyll 



Colourless cells 



Viand 



Fig. 6 General appearance ofMarchan&a 



y Ahixoids 



\ NT! A 

 Fig. 5 G&Turboe at different stages of development in Receptacle 



a. Malt Plant 



b. Female. Plant 



r odiAed branch 

 bearing Jntheridia 



ThaHus 



odi&ed branch 

 bearing Archeaonia 



Epidermis 



Colourless cells 



Fig. 8 AnJhjeridiicnz ScAntherozoids 



highly magnified, very highly magnified 



Fig. 7 Fortwn of Vertical section of Cap 



Respiratory Pore in section. 



rows of 

 chlorophyR-conCaintng cells 



Air space. 



Fig. 11 Spores ScFlaters 



0* • 



Fig. 9 Fipe Archegordunz 



Fig. 10 Spore FrattS on wider surface, of s&lhxe disc ft 6) 



Spore Fruits 



LIFE H ISTO R r 0IA6RAM 



Karchantia 



Stalk 



Fndo-gonidia, 



Spore Fruit 



2 z' Anthertdia. 



.REPRODUCTION/ and . 



Archegoma, 



''ertttLxed verm cell 

 or Oospore 



Perianth 



Neck. 



Opening of Canal 



Engraved, Printed and Pciblisned "by W. & AX Johnston, Edinburgh. 



