5 
sillum var. populneum Hepp. exs. 339.); var. subtile Hepp exs. 
605. — 6. C. triste Körb. — 7. C. abietinum Pers. (C. cur- 
tum Turn. et Borr.) — 8. C. lenticulare Ach; var. virescens 
Trev. (C. virescens Hepp exs. 336.) — 9. C. quercinum Pers.; var, 
deeipiens T’rev. (C. deeipiens Mass.) — 10.C.Schleicheri De Not.‘ 
— 11,0. atro-viride Körb.—12.C.salieinum Pers.(U.tracheli- 
num Ach.); var. xylonellum Trev. (C. xylonellum Ach.) — 13.0, ad- 
spersum Pers.; var. aureum Sehüür. exs. 245. — 14. C. incrus- 
tans Körb. — 15. C. validiusculum Trer. (C. adspersum var. 
trabinellum Schär. .exs. 246.; C. trabinellun Muss., Hepp exs. 
334., Körb., Arn., Arzt, non Ach): var. minimum rev. (C. rus- 
cidum var. minimum Sehär.; C. trabinellum var. minimum Hepp 
exs. 335.) — 16. C. hyperellum Ach.; var. filiforme Schär.; 
var. baliolum Fries; var. viride Nyl. — 17. 0. hyperelloi- 
des Nyl. . 
VH: Stenocybe Nyl. — Sporae Jongitrorsus quadrilo- 
culares. " 
1. St. septata Arn. — 2. St. major Nyl. — 3. St. bys- 
sacea Nyl. 
Subtribus 5. Phacotieae T’rev. — Apothecia capituliformia 
stipitata: Paraphyses anisomacrae (ascos longitudine insigniter 
superantes), invicem capillitii adinstar implexae. 
VOL Phacotium Gray (Nat. arr. Brit. plant.I. p. 482. — 
1821). 
Syn. Cyphelium De Not. (in Giorn. bot. ital., Ann. 2. P.I 
d. 316. — 1847), Mass. (Mem. lich), Körb. (Syst, lich. Germ.), 
non Ach. — Chaenotheca Th. Fries (Gen. Het. eur. 1861). 
Obs.: Novum Chaenothecae nomen, nuper a clarissino Theo- 
doro Fries propositum, revera supervacaneum erat, cum jam 
Phacotium Sam. Friderici Grayi aderat. 
1. Ph. chrysocephalum Gray; var. filare T'rer. (Calic. 
chrysocephalum var. filare Ach.); var. melanocephalum T'rer. (Ca- 
lie. chrysoc. var. melanocephalum Nyl.); var. holochryseum T'rer. 
(Calic, chrysoe. var. holechryseum Nyl.); var. ecrustaceun Trer. 
—2,Ph.phaeocephalum Trer. (Lichen phaeocephalus Turn.); 
var. flavum Tirev. (Calie. Havum Ach.); var. chlorellum Trev. 
(Calie. chlorellum Wahlenb.); var. trabinellum Trev. (Calic. trabi- 
nellum Ach. Meth. suppl. p. 14!1); var. obscurum Trer. (Calic. 
phaesc. var. obscurum Nyl.) — 3. Ph. aciculare Treo 
(Lichen acicularis Smith; Phacotium hispidulum. Gray) 
4. Ph. arenarium Trev. (Cyphelium arenarium BHampe; Co- 
