36 



Dansk Botanisk Arkiv, Bd. 3. Nr. 1. 



phyticam in cellulas hospitis, sursum filum erectum sporangiferum 

 emittens. 



Filum erectum a basi nudum in superiore parte ramosum 

 ramis sparsis plus minus ramosis. Cellulæ cylindricæ in inferiori 



Fig. 32. Acrochætium unipes 



nov. spec. Base of a plant. 



(About 450 : 1). 



Fig. 31. Acrochætium unipes nov. spec. 

 A whole plant showing the basal cell and 

 the erect ramified filament with sporangia- 

 bearing branches. (About 70 : 1). 



Fig. 33. Acrochætium unipes 

 nov. spec. Bases of two plants; 

 a, seen from above, b, in verti- 

 cal section. (About 200 : 1). 



parte ca. 11 — 12;/ latæ, 50// longæ, in superiori fere 5// latæ, 

 50 — 60// longæ, chromatophorum parietale, pyrenoide laterali 

 instructum continentes. 



Sporangia in filis lateralia, uniseriata, sessilia, oblonga, 9 — 11^« 

 lata et 20 — 22// longa. 



