BY L. KODAVAY. 59 



Margin of carpocephalum entire or with shal- 

 low lobes 3 



2. Lobes terete. Scales broad, 



Dale cephaloscypha 



Lobes flat. Scales narrow, pur- 

 ple foliacea 



3. Carpocephalum margin shortly lobecl... pileata 

 Carpocephalum margin entire fusca 



Morchanfia cephaloscypha, St. — Midrib not defined. 

 Scales pale, short, but very broad, extending nearly to tli© 

 margin. Peduncle 5-10 cm., head nearly 1 cm. ; lobes long, 

 terete, 9, often recurring at maturity. Very close to 

 M. fabularis, Xees. 



Abundant, especially after fire. Australia, Xew Zea^- 

 land. South America. 



Marchantia foliacea. Mitt. — Midrib broad and usually 

 well defined. Scales dark purple, as long as broad, not 

 extending over the wings. Peduncle 5-10 cm., head nearly 

 1 cm. diameter, divided half-way into 9 broad flat lobes, 

 one division much deeper than the others. 



Common on banks of streams; New Zealand. 



Marchantia pileata. Mitt. — Midrib narrow, ill-defined, 

 under surfa.ce red. Scales obliquely ovate, not extending 

 on the wings, d-ark purple. Peduncle about 1.5 cm.; head 

 hemispheric, 4-5 mm. diameter, asymmetric, 5-6 short, 

 broad lobes, insertion of peduncle almost lateral. 



Mt. Wellington, Bruny Island, Meander River, Xew 

 Zealand. 



Marchantia fu'^ca, St. — Midrib thick, insensibly at- 

 tenuating into the wings. Peduncle about 7 mm. long ; 

 head hemispheric, 4-5mm. diameter, symmetric, margin 

 quite entire. Other details as in 31. ijileata. 



Slopes of Mt. Wellington. Rare. New Zealand. 



JUNGERMANNIALES. 



This Order contains two families : — 



Metzgeriaceae. 



jungermanniaceae. 



The marked feature of the first is that the archegonia 

 are developed ujoon special branches, which are never at 

 the apex of a shoot. These branches are sometimes so 

 much reduced that the organs appear to grow on the sur- 

 face or side of a frond. The members of this family ai'e* 

 mostly thalloid, but a few genera are leafy. In the second 



