252 HYDNEI. 



Raduium. 3. R. tomentosum Fr. — White inclining to pale, effused, 

 innate, rather thick, circumference swollen, erect, to?nentose. 

 Tubercles short, crowded together, angular, obtuse, smooth, 

 confluent. 



When dry pale wood-colour, the tomentum sometimes becoming ferrugin- 

 ous. 



On Pyrus aucuparia. Menmuir, Forfarsh. New Pitsligo, 

 Aberdeensh. 



Name — tomentum, down. Downy. Fr. Hym. Eur. p. 624. B. & Br. n. 

 1439. S. Mycol. Scot. n. 828. 



4. R. deglubens B. & Br.— Orbicular, 8 mm. { l / z in.) across, 

 ferruginous, somewhat diaphanous. Tubercles erect, somewhat 

 cylindrical, irregular, scattered ; interstices even, pulverulent 

 with the white spores. 



On ash. Sanquhar, Moraysh. New Pitsligo, Aberdeensh. Jan. 



Name — deglubo, to peel off. Peeling off. B. & Br. n. 1440. S. Mycol. 

 Scot. n. 829. 



5. R. corallinum B. & Br. — Effused, white ; subiculum shining, 

 very thin, pelliculose. Tubercles fasciculate (fascicles 6 mm., 

 X in. or more across), divided downwards, obtuse, coralloid. 



Effused for 7.5 cent. (3 in.) over branches partially covered with lichens. 



On oak branches. Glamis, 1874. Sept. 



Name — KopkKkiov, coral ; elSos, appearance. Coral-like. B. & Br. n. 1441. 

 5. Mycol. Scot. n. 830. 



6. R. epileucum B. & Br. — Effused for several inches, ochrey- 

 white, wholly resupinate; subiculum snow-white, covered by a 

 waxy stratum. Tubercles scattered, cylindrical, under a lens 

 fimbriated at the apex, deciduous. 



Tubercles falling out and showing the white mealy subiculum, round which 

 is an annular depression. 



On decorticated wood. Glamis, 1874. Aug. 



Name — hci, AeuKos, white. Whitish. B. fir 5 Br. n. 1442. S. Mycol. Scot. t?. 

 831. 



** Innate, removi?ig the bark. 



7. R. fagineum Fr. — White, becoming pale, innate, removing 

 the bark, smooth. Tubercles elongated, round, various, obtuse, 

 entire. 



Surrounding decorticated branches like stalactite. 



