§46 JO URNAL, B 0MB A Y NA TUBAL HIST. 80 CIETY, Vol. XXI V. 



S mm. long 2^ mm. broad. Dorsal surface green ; air chambers in several 

 layers empty ; stomata conspicuous simple bounded by 2-3 rings of eight 

 cells each ; margins crenate, purple, turned upwards. Ventral surface 

 purple, midrib gradually thinning away towards the margins ; scales purple, 

 overlapping, reaching to less than half way to the margin, broad, lunate, 



A ^^ 2 



B X 4 



Fig. 1. — A and B. — Mindal pangiensis. 

 margin entire, with one or two long linear appendages ; a few colourless 

 cells are met with in the body of the scales. Male receptacle terminal or 

 marginal, disc shaped, circular or notched anteriorly separated from the 

 main thallus by a groove laterally or posteriorly as well ; surrounded by 

 linear red scales ; papillae inconspicuous with simple inconspicuous stomata 

 between them ; antheridia oval. Growth is occasionally continued in front 

 of the male receptacle by an apical adventitious shoot, but this shoot remains 

 very small. Female receptacle terminal, hemispherical and surrounded by 

 numerous linear scales when young. If unfertilised growth is practically always 

 continued by an apical adventitious shoot, but if any archegonium is fertilised 



D 



Fig. 2. 

 Mindal panyie^isis. 



C — Two scales x 16. 

 D— T. S. of stalk of 



carpocephalum 



X 150. 

 E— T. S. of thaUus 



(a portion) x 



320. 



