138 TASMANIAN LICHENS. 



Family 1. Collemaceje. 



Thallus usually dark in colour, black, brown, or olive, some- 

 times asby or bluisb, various in form, gelatinous in substance, 

 enclosing granula gonima, wbich are variously arranged — 

 moniliform, or enclosed in sacs, or dispersed. Apothecia 

 usually rufescent or pale, seldom black, generally lecanorine 

 or biatorine, rarely endocarpoid. 



Genus 1. Ephebe. Fr. Born, Nyl. 



Tballus minute, filiform, branched. Granula gonima large, 

 sub-transversely arranged in heaps, 2, 4, or more together. 

 Apothecia endocarpoid in thickened portions of the thallus, 

 spores 8, colourless. 



Species 1, E. puhescens, Fr., blackish-brown, slender, csespi- 

 tose, entangled, branched, slightly rugulose. Spores lineari- 

 oblong or subfusiform, 1 septate. 



Habitat on sub-alpine rocks. Mount Wellington. 



2. LiCHINA. Ag. 



Granula gonima cserulescent. Aj^othecia terminal in globose 

 thalline receptacles, lecanorine, sub-pyrenoid. Spores ellip- 

 soid, simple. 



1. L. confinis, Ach., fuscous black, densely csespitose, small, 

 cylindrical, not compressed. 



Hab. on maritime rocks between high and low water. 

 Brown's River, TJlverstone. 



3. Synalissa, D.E. Nyl. 



Thallus small, of various forms — encrusting, sub-mem- 

 branaceous, granulose or fruticulose. Granula gonima in 

 globular cells. Apothecia innate, with thalline margin, or 

 rarely imbedded in the thallus. 



1. 8. cancellata, Wilson, black, or dark olive, sub-mein- 

 branaceous, cancellate, minutely atro-granulose, effuse, and 

 encrusting at circumference. Granula gonima light green, 

 enclosed in gelatinous sacs (inky with I.), 1 to 5 in each, 

 also moniliform among fine elementary filaments. Apothecia 

 minute (about -25 mm. broad), prominent in the thalline 

 granules, one in each, at first endocarpoid, at length rufescent, 

 elevated ; disk concave or plane, with thalline margin with- 

 drawn. Spores colourless, ellipsoid or ovoid, simple, with 

 narrow epispore, '01 to '012 x '004 to -006 mm. Paraphyses 

 slender. Thecae cylindrical. Gel. hym. I. vinous, then 

 yellow. 



Hab. on rocks and moss, S. Esk at Launceston. 



