792 CRYPTOGAMIA. ALGAE. 1938. Lichen* 



*deformis. Lobes cut-crenate: ftems Jong, thick, a little inflated, 

 pale yellowifh-grey; cups irregular, denticu-atp, clofed, becom- 

 ing pervious: tubercles marginal, fcarlet. Engl. Bot t. 1394. 



1. crenulatus* Stems cylindrical, white: cups clofed, with a c^enate 

 margin: tubercles very minute, fcarlet. 



3, clawatus. Stems thick, inflated, white, barren 6r indiftinctly cup-bearing. 

 DilL 15. 14. 



4. gonecbus. Stems cylindrico-inflated; cups dilated, rnoftly pervious* 

 irregular, jagged at the margin, cup-bearing:tuberclea feffile, larger, rather 

 cluftered, rufous-brov n, 



hUidiflorus. Lobes minute, cut-crenate : ftems long, cylindrical* 

 flightly branched, rough, pa'c-greenilh; cups terminal, clav3te, 

 clofed: tubercles marginal, globular, very minute, much crowded, 

 fcarlet, Acl. Stock. 5. / 4. / r. 



cervicornis. Lobes ere dr., jag^tcUlaciniate, many-cleft, rather linear, 

 blueiuVgreen: items cylindrical, thort, blueifh-green; cup: minute, 

 turbinate, clofed : tubercles globular, margnal, feflile, black- 

 brown. Acl. Stock. 5. /. 4 /. 3. 



Pocillum. Lobes cut-crenate; flems fhort, thick, nearly cylindrical, 

 greenifh-blue, warty, mealy; cups cylindrical, clofed, flightly 

 crenate: tubercles marginal, feflile. minute, brown, becoming 

 black. Achar. t. 8./. 6. 



*pyxidatus. Lobes cut-crenate: ftems (hort: obconic ; cups dilated, 

 glafs-fhaped, cl@fed, entire: tubercles marginal, dark-brown. 

 Eng. Bot. t. 1393. 



2. exilis t Stems very fhort; cups nearly feflile, minute, with a brown 

 diaphragm; tubercles very minute, marginal, feffile. DHL 14. II. 



3. macrofcypbus. Stems fhort, nearly cylindrical at the bafe; cups dilated, 

 very large, campanulate, hoary: tubercles very minute, marginal, feffile. 

 Dill. 14. 6. B. 



4. tuberculofus. Stems gradually thickened upwards: tnbercles brevn, 

 marginal and terminal, feffile and raifed Dill. 14. 6. C. 



5. marginalts. Stems fhort, cups dilated, proliferous and cup-bearing at 



the margin: tubercles feflile, marginal and terminal. DilL 14. 6,1, 



6. apotictus. Stems thickened upwards; cups from the centre of the dia- 



phragm and margin, aggregate-proliferous, Vaill t. 21. 9. 



7. Jiaphylleus. Stems thickened upwards: tubercles racemed. 

 turbinatus. Lobes cut-crenate: ftems long, cylindrical; cups dilated/ 



clofed, finely denticulate, with a flattifh diaphragm: tubercles 

 marginal, feffile, brown. Ach. t. jif. 6. D. E. 



2, Fibula. Stems long, cylindrical, erect, naked and fcaly; cup Ample, 

 nearly covered with cluftered feffile tubercles. DilL 15, 15. A. B 



3, njerticiilatus. Stems gradually thickened, turbinate, greyifh; cups from 



the centre of the diaphragm, proliferous 2 — 4-fold: tubercles marginal, 

 feffile. DilL .14. 6. D. H. 



4, euphoreus. Stems long, pale-greenifh, naked; cups radiate-proliferous 

 tubercles pedicelled, larger, rufous-brown. 



