The Lichens of Victoria. 151 



1. L. pygmcea, Lightfoot. 



Thallus small (i inch or a little more), branches flattened 

 towards the apices. Spores -022 to 029 X -Oil to 01 G mm. 

 '^y\. Gelatina hymenia unaiiected by iodine. 



Hab. on maritime rocks washed by the sea. Rep. Gov. 

 Bot. 1854. Doubtful ; probably the next species. 



2. L. conjinis, Ach. 



Similar to the preceding, but smaller, in more compact 

 tufts, and with terete branches. Spores 'OlOo x "Oil mm. 

 (Nyl.) 



Hab. on maritime rocks between high and low watei', 

 Sandringham, Barwon Heads, Lome, Warrnambool. 



Tribe 2. — Collemei. 



Thallus various in form, membranaceous, lobate or laciniate 

 or microphylline, sometimes fruticulose, sometimes granu- 

 lose; rigid when dry, turgid and gelatinous wlien moist. 

 Apothecia lecanorine, in a few cases biatorine, in still fewer 

 endocarpoid. 



Genus 1. — Synalissa, D.R. Nyl. 



Thallus small, of various forms, incrusting, submembran- 

 aceous, granulose or frnticulo.se. Granula gonima in globulai- 

 cells. Apothecia innate, lecanorine, or rarely eudocarpoid. 

 Spermatia oblong. 



1. S. cancellata, Wilson. 



Thallus black or obscurely olivaceous, submembranaceous, 

 cancellate, minutely atro-granuluse, effuse at circumference 

 and encrusting the substratum. Granula gonima light green, 

 contained in gelatinous sacs (inky with I), 1-5 in each ; also 

 moniliform among fine elementary filaments. Apothecia 

 minute (to '25 mm.), prominent in the thalline granules, 

 one in each, at first endocarpoid, at length I'ufescent, 

 lecanorine, elevated, disk concave or plane, with thalline 

 margin withdrawn. Spores colourless, ellipsoid or ovoid, 

 simple, with narrow epispore, 'Ol to -012 X •OO-i to -OOG mm. 

 Paraphyses slender ; thecal cylindrical ; gelatina hymenia I, 

 vinous, then yellow. 



