COLLEMA. 



283 



bricately arranged or closely crowded, sometimes granulose 

 on both surfaces. The apothecia are sometimes largish, 

 turgid, and conglomerate. (E. B. 1757, var. furvum ; 1162, 

 var. fascicular e^) 



Not uncommon on rocks and stones, and sometimes on 

 trees, in Highland districts. 



•K-x-fc Thallus foliaceous, when dry membranaceous ', when 

 moist joulpose-gelatinous ; apothecia scutellate. 



5. Collema granosum (granosus, granular or roughened 

 by small grains). Thallus irregularly laciniate, from glau- 

 cous becoming blackish-green. Apothecia superficial, in- 

 nate or sessile, reddish. In its chief varieties the lacinise 

 are elongated, lacerate-pinnatifid, or variously incised at the 

 margins. (E. B. 2704, var. ceranoides ; 2716, var. derma- 

 tinum.) 



On calcareous stones among moss in shady places, but 

 not very common. 



•fc-jBf* Phallus foliaceous, when dry coriaceous, when moist 

 turgescent ; apothecia scutellate. 



6. Collema multjfidum (multus, many, and findo, to 

 slit or divide). Thallus laciniate, closely adnate, blackish- 

 green. Laciniae elongate, narrow, radiate, imbricate-lobate ; 



