PART 1
PART 1
PART 1
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3. Ascomata immersed or sessile, black, not covered by a white layer.............................................................................................. 5<br />
5. Epihymenium colorless, KOH- ..................................................................................................................................................... 6<br />
6. Exciple lacking below hymenium ............................................................................................................................................. 7<br />
7. Lichen substances absent.................................................................................................................................................... 8<br />
8. Ascospores 8-11-celled, 25-40 µm long .......................................................................................................................... 9<br />
9. Disk not exposed; exciple carbonized to base of hymenium;<br />
hymenium not inspersed; ascospores 8-10-celled, 25-40 × 7-9 µm;<br />
Columbia, Duval and Lake counties ..................................................................................................... G. lineola Ach.<br />
9. Disk becoming exposed, whitish or bluish pruinose; exciple<br />
mostly not carbonized to base; hymenium not inspersed;<br />
ascospores 8-11-celled, 30-40 × 7-9 µm; Duval County ............................................................... G. scripta (L.) Ach.<br />
8. Ascospores 11-13-celled, 50-70 × 8-11 µm; hymenium inspersed;<br />
Duval, Franklin and Highlands counties .............................................................................................. G. pavoniana Fée<br />
7. Norstictic, stictic or protocetraric acids............................................................................................................................... 10<br />
10. Norstictic acid only....................................................................................................................................................... 11<br />
11. Lirellae flexuose, branching, sessile to semi-immersed;<br />
hymenium not inspersed; ascospores 6-8-celled, 18-35 × 5-9 µm;<br />
peninsular Florida............................................................................................................................ G. librata Knight<br />
11. Lirellae short, straight, immersed; hymenium inspersed;<br />
ascospores 8(-9)-celled, 30-35 × 8-9 µm; Dade County..................................................... Graphis sp. Britton 664<br />
10. Stictic acid (with or without norstictic acid) or protocetraric acid.................................................................................. 12<br />
12. Lirellae immersed; margin and disk white pruinose; hymenium<br />
not inspersed; ascospores 8-11-celled, 25-35 × 7-8 µm; stictic acid<br />
or protocetraric acid; Dade and Palm Beach counties ....................................................... G. caesiella Vainio s. lat<br />
12. Lirellae semi-immersed, black; margin and disk not pruinose;<br />
hymenium inspersed; ascospores 10-11-celled 30-40 × 7-8 µm;<br />
norstictic plus stictic acid; Dade County.............................................................................. G. leptocarpa Fée s. lat.<br />
6. Exciple entire, carbonized below hymenium.......................................................................................................................... 13<br />
13. Ascospores 11-15-celled, 50-60 × 8-10 µm..................................................................................................................... 14<br />
14. Hymenium inspersed; lirellae mostly immersed; norstictic acid (rarely<br />
acid deficient); throughout the state................................................................................................. Graphis sp. 23509<br />
14. Hymenium not inspersed; lirellae sessile; no substances; Polk County................................. G. anfractuosa Eschw.<br />
13. Ascospores 6-8-celled, 18-25 × 6-7 µm; hymenium inspersed; norstictic acid;<br />
Duval and Polk counties......................................................................................G. desquamescens (Fée) Zahlbr. s. lat<br />
5. Epihymenium orange, KOH+ purple; margin not striate; disk exposed, orange....................................................................... 15<br />
15. Exciple closed; hymenium yellowish inspersed; ascospores 8-celled,<br />
27-34 × 7-8 µm; norstictic acid; Dade County..........................................................................G. chromothecia R. C. Harris<br />
15. Exciple lacking below; hymenium not inspersed; ascospores 8-celled,<br />
23-30 × 6-7 µm; no substances; Franklin and Liberty counties..........................................................G. inversa R. C. Harris<br />
2. Margin striate; hymenium not inspersed............................................................................................................................................ 16<br />
16. Thallus UV+ yellow (lichexanthone)............................................................................................................................................. 17<br />
17. Lirellae narrow, flexuose, branched; margin weakly striate; ascospores<br />
6-8-celled, 20-30 × 7-9 µm; south to Polk County ................................................................................ G. lucifica R. C. Harris<br />
17. Lirellae rather broad, short, often straight, sparsely branched; margin<br />
strongly striate; ascospores 11-14-celled, 50-75 × 9-12 µm;<br />
Franklin and Liberty counties ............................................................................................................... G. haleana R. C. Harris<br />
11