PART 1
PART 1
PART 1
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18-21 × 8-11 µm; Dade County...........................................Pyrenula sp. 6121<br />
40. Ascospores with a distinct dark brown median plate or<br />
sometimes in old spores plates between all four lumina,<br />
18-20 × 7-8 µm; thallus brown to blackish brown; on Ilex;<br />
Liberty County ............................................................P. atrolaminata R. C. Harris<br />
39. Ascomata solitary....................................................................................................... 43<br />
43. Thallus corticate ................................................................................................... 44<br />
44. Ascomata large, 0.7-1.5 mm across, flattened conical ................................. 45<br />
45. Hymenium not inspersed; ascomata with a thin<br />
translucent thalline covering................................................................... 46<br />
46. Ascospores 15-19 × 6-8 µm; south to<br />
Lake County .........................................P. santensis (Nyl.) Müll. Arg.<br />
46. Ascospores 12.5-15.5 × 4.5-5 µm;<br />
Collier County .......................................................Pyrenula sp. 30313<br />
45. Hymenium heavily inspersed; ascospores<br />
15.5-21 × 5.5-8 µm; ascomata naked, shiny;<br />
very common, throughout the state............................................................<br />
................................................................ P. mamillana (Ach.) Trevisan<br />
44. Ascomata smaller, to 0.7 µm......................................................................... 47<br />
47. Endospore developed ............................................................................. 48<br />
48. Endospore uniform........................................................................... 49<br />
49. Hymenium inspersed; ascospores<br />
13-15 × 4.5-6 µm; Taylor to Polk County........................................<br />
.......................................................................P. laetior Müll. Arg.<br />
49. Hymenium not inspersed; ascospores<br />
13-16 × 4.5-6 µm; throughout the state..........................................<br />
.................................................................P. aspistea (Ach.) Ach.<br />
48. Endospore with a distinct, additional layer around<br />
lumina or older ascospores with darker bands<br />
between the lumina .......................................................................... 50<br />
50. Endospore with additional layer around lumina;<br />
ascospores 17-19 × 7.5-9 µm; ostiole usually<br />
red pigmented, KOH+ blue; Columbia, Dade<br />
and Seminole counties ...................................................................<br />
........................................................ P. rubrostoma R. C. Harris<br />
50. Endospore with darker bands between the<br />
lumina; ascospores 15-19 × 6-7.5 µm;<br />
ostiole not pigmented; Sarasota County ........................................<br />
........................................................ P. confoederata R. C. Harris<br />
100
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