12 OTTO VERNON DARBISHIRE, (Schwed. Südpolar-Exp. 
tundatae, hyalinae, 4—5 zı latae, 4-5 u longae; spermogonia et soralia non visa. 
Habitat ad corticem Nothofagi betuloidis, 7zerra del Fuego, Ushuaia. 
Notes: This new species is very nearly related to the species which MÜLLER- 
ARG. has described as Anzia angustata (Lich. Beitr. No. 1503; HUE Lich. Extra- 
Fig. 1. Pannoparmelia anzioides. — Vertical section through thallus: a, the upper cortex; b, the gonidial 
layer; c, the inner portion of the lower cortex; d, the outer portion of the lower cortex, which is con- 
nected with the characteristic hypothallus, e. — Magnification about 760. 
europ. No. 210). MÜLLER-ARG. divides the genus Anzza into two sub-genera. Both 
of theses are characterized by having a very well developed hypothallus resembling 
roughly that of the genus Pannaria. Of the two subgenera, Zuanzia has poly- 
sporous asci whereas Pannoparmelia has only eight spores in each ascus. In exa- 
mining the hypothallus of our new species with its eight spores and comparing it 
a 
Fre 
