108 - Prof. Santo Garovaglio on the Species of 
Cohors III. 
Epithecio tenui, dimidiato, carbonaceo; paraphysibus raro dis- 
tinctis, plerumque obsoletis, vel in massam granuloso-floc- 
cosam cito diffluxis; ascis clavato-elongatis sublinearibusve, 
octosporis ; sporis duplici sat regulari serie intra ascos col- 
lectis, gracillimis, fusiformi-acicularibus, vel angustato-ellip- 
ticis, incurvis, primum unilocularibus, tribus vel quatuor 
ocellis rotundis minutis preditis, dein bilocularibus cum 
loculis elongato-cylindricis acuminatis, postremum quadri- 
locularibus cum vel absque ocellis. (Species unica, corticola.) 
1. V. oxyspora, Nyl.=Zw. Exs. 107; Rabenh. 117; Heppe, 
460; Mass. Ital. 352. 
Cohors IV. 
Epithecio carbonaceo, crasso, subintegro, cum tunica arcte laxeve 
conjuncto ; paraphysibus ‘creberrimis, gracilibus, filiformibus, 
flexuosis, interdum in frustula fatiscentia solutis; ascis elon- 
gatis, cylindricis, vel linearibus, circa basim attenuatis, octo- 
sporis; sporis plerumque in una rectilinea serie ad invicem 
verticaliter aut oblique sibi succedentibus, rarius duplici con- 
fuso ordine congregatis, ovoideo- ellipticis, obtusiusculis (s. 
cocciformibus), quandoque torulosis, ceterum coloratis s. 
fulvis vel fuliginosis, quadrilocularibus, passim bi- triloculari- 
bus, loculis septo tenuissimo, seepe obsoleto, divisis, duobus 
interpositis prismatico-tetragonis, binis extimis obtuse co- 
nicis, omnibus ocellulatis, ocellis in singulis vel pluribus, 
rhombeis, subrotundis vel ellipticis, (Species omnes corticolee, 
monoicee vel dioicee.) 
1. V. nitida, Schrad. = Borrer, E. Bot. Suppl. t. 2607. f. 1; 
Leight. Ang. Lich. t. 15. f.38; M.& N. 36548. 
f. major =Scher. Exs. 111; Heppe, 467. 
f. minor = Leight. Exs. 28; Heppe, 468. 
2. V. glabrata, Ach.=Scher. Exs.110; M.& N. 950; Zw. 
Exs. 34, 85; Leight. Ang. Lich. t. 18. f. 4; Heppe, 227. 
f. coryli, Nyl.=Rabenh. 85; Heppe, 455. 
Appendix. 
V. quercus, Garov.=Scher. Exs. 105; Zw. Exs. 33, 215. 
The plates contain sections of the apothecia, asci, ang spori- 
dia :— 
Verrucaria uniloculares. 
Tab. I. fig. 1. V. aberrans, Gar. 2. V.hydrela, Ach. 3. V. @ethio- 
bola, Ach. 4. * V. submersa, Scher. 5. V. plumbea, Ach. 
