PART 1

25. Ascospores 18-25 × 8-10 µm; hymenial gel IKI+ blue-green
or IKI-; throughout Florida ..........................................P. microtheca R. C. Harris
25. Ascospores 37-45 × 15-22 µm; hymenial gel IKI+ orangish;
Dade and Monroe counties .........................P. martinicana (Vainio) R. C. Harris
24. Hymenium inspersed, gel IKI+ orangish; ascospores 13-17 ×
5-6 µm; Polk County...............................................................P. wheeleri R. C. Harris
21. Ostiole surrounded by bright red ring; hymenium inspersed to top of asci;
ascospores dark brown with darker bands between cells, 18-24 × 10-14 µm;
Georgia, not yet found from Florida................................................. [P. wetmorei R. C. Harris]
16. Ostiole apical, erect (pseudostromatic shells may be laterally fused
to form extensive pseudostromata in P. anomala)............................................................................. 26
26. Ascospores elliptical or fusiform, not tapering to a tail .................................................................. 27
27. Ascospores over 21 µm long (if thallus ecorticate see P. microcarpa) ................................... 28
28. Thallus orange or red at least near ascomata................................................................... 29
29. Thallus orange, pseudocyphellate; ascospores 26-42 × 12-15 µm;
Dade, Monroe and Sarasota counties.................................................P. cerina Eschw.
29. Thallus red (in shade forms pigmented only near ascomata);
hymenium heavily inspersed; ascospores 27-35 × 13-17 µm;
very common, throughout the state.......................................P. cruenta (Mont.) Vainio
28. Thallus greenish when fresh, whitish to brown in the herbarium ...................................... 30
30. Postmature ascospores with red or colorless oily substance 31
31. Oily substance red; ascospores 4- or 6-celled,
28-34 × 12-15 µm; very common, throughout the
state.................................................................P. concatervans (Nyl.) R. C. Harris
31. Oily substance colorless; ascospores 4-celled,
28-35(-40) × 10-15(-17) µm; throughout the
state.........................................................................................P. quassiaecola Fée
30. Postmature ascospores empty, collapsing................................................................... 32
32. Ascospores with rounded ends; hymenium not inspersed;
hymenial gel IKI+ orange....................................................................................... 33
33. Ascospores reaching 45 × 18 µm..................................................................... 34
34. Thallus UV-; ascospores 27-38 × 12-18 µm;
gelatinous sheath lacking dark terminal caps;
not common, south to Sarasota County.........................................................
...........................................................................P. punctella (Nyl.) Trevisan
34. Thallus UV+ yellow (lichexanthone) or UV-; ascospores
36-45 × 12-17 µm; ascospore sheath gelatinous with
dark terminal caps; Holmes County ...........................P. caryae R. C. Harris
98