CRYPTOGAMIA. ALGAE. 1938, Lichen. iftj 



divaricatus. Somewhat cruflaceous, filamentous, comprefFed, pitted- 

 rugged, rather jointed, ochraceous; filaments pendulous, divari- 

 cate; fhields red, beneath and on the crenulate margin ochrace- 

 ous. Dill 12. 5. 



tkfneoides. Cartilaginous, glabrous, compreiTed, pale ; filaments 

 pendulous, fomewhat fibrous, taper : fhields marginal, (lightly 

 pedicelled, flat, pale, with a thin entire margin. DHL 84. 10. 



farmentofus. Cartilaginous, nearly cylindrical, unevenly pittedL 

 fomewhat fiftular, pale: filaments forked, much branched afia 

 capillary at the ends; fhields fcattered, feffile, rather concave, 

 with a paleentire margin. Hoffm- t 72. 



* ochroleucus. Cartilaginous, cylindrical, nearly " fr>! id, fomewhat 

 tufted, pale; filaments taper, divaricate, flexuQus branched, in- 

 terwoven, forked at the ends : fhields nearly feffile, brown, the 

 margin at length flexuous pale. Hoffm. t. 26./. 2. 



*jubatus. Cartilaginous, fmooth, rather polifhed, cylindrical, grey 

 and black;, filaments much branched, forked, filiform, the lower 

 axils compreffed; fhields feffile, becoming convex, grey and blacky 

 with an intire margin. Dill. 12. 7. 



2. capittaris* Filaments pendulous, much branched, divaricate, interwo- 



ven, very tender, yellowifh, a little compreffed at the axils: fhteKfopafe 

 brown. 



3. implexus. Filaments pro ft rate, divaricate, long, quite iiinple, blackifk 

 brown. 



♦4, chalybeiformh. Filaments decumbent, fhorter, vaugely branched, rigiJ, 

 flexuous, interwoven, twilled, pitchy -black. Dill t. 13 f. 10. 



m RocheUa. Cartilaginous, glaucous-grey, cylindrical, (lightly branch- 

 ed; filaments nearly creel, almoft iirnpie, filiform : fhields fcat- 

 tered, glaucous, pruinous, at length convex glabrous black, with 

 a thin glaucous grey margin. Eng Bot. 211. Orchall. 



15. Frond leafy, membranous or fomewhat coriaceous, lobed; bearing 

 membranous feffile flat orbicular jhields on the upper furface, and 

 mealy Jhields like white or yellowijh pits amsng the down on {he 

 under furf ace. Sticla. 



filicinus. Membranous, finuate-laciniate, crenate, the larger feg- 

 ments narrowed at the bafe and flightly channelled, glaucous- 

 green, nearly naked with pale pits beneath: fhieids fcattered, 

 red, becoming a little convex and brown, with an entire glau- 

 cous-green margin. Hoff.t.^.f.\. 



dam&cornis. Membranous, afcending, linear-laciniate, cloven at 

 the tips, green-chefnut, vilious-brown with pale pits beneath : 

 fhields flat, marginal, rufous, with a pale margin when young. 

 Dill. 29. 115. 



CQVietius. Somewhat coriaceous, greenifh-white, finuafe -lobed, 

 ciliate, woolly underneath; pits white, with an inflected entire 

 margin: fhields nearly marginal, appitlfed, rufous, with a radi- 

 aie-ciliaie margin. Achur.t-, 5./. 1. 



