PART 1

own (not known in Florida); conidiospores simple,
brown; Collier County ...................................................................................................T. moderatum Nyl.
NOTES
Tibell (1991) described the sporodochial anamorph of T. moderatum but did not mention one for T.
protrudens. However, Florida material always has conspicuous sporodochia. In fact, seven of the ten Florida
collections consist of sporodochia only. The same anamorph was also found on Lindig 1 from Colombia. The
number of cells in a conidium is apparently determined by how the hyphae break to form the chlamydosporelike
conidia. In T. moderatum the sporodochia apparently do not occur on the same thallus as the ascomata.
However, to my eye two collections of T. protrudens have both on the same thallus. There is only a single
chemotype in Florida as neither lichexanthone nor the red ascomatal pigment was detected. Tylophoron
protrudens is probably common but not often collected by lichenologists as it somewhat resembles members
of the Aphyllophorales. It might also be confused with Cryptothecia striata Thor (Chiodecton montagnei auct.)
that also seems sterile and is C+. A section of a sporodochium with conidiospores readily identifies the
Tylophoron.
SPHINCTRINACEAE Choisy
SPHINCTRINA Fr.
Only S. tubiformis is known from Florida. See key to genera.
MYCOCALICIACEAE A. Schmidt
KEY TO CHAENOTHECOPSIS AND MYCOCALICIUM
1. Apothecia and thallus lacking lichen substances; ascospores simple,
elliptical to fusiform.................................................................................................................................... 2
2. Apothecia distinctly stalked, not hairy.................................................................................................... 3
3. Exciple and stalk brown or stalk almost colorless; exciple not
incurved and rugose......................................................................................................................... 4
4. Stalk brown to dark brown; stalk hyphae more or less parallel .................................................... 5
5. Cells of lower part of exciple not enlarged, not paraplectenchymatous .................................. 6
6. Apothecia relatively broad and flat, ± conical, often
2-3/stalk; stalk relatively short and stout; ascospores
6-8 × 2.5-3.5 µm; on old wood; common, south to
Palm Beach County ............................................... Mycocalicium subtile (Pers.) Szatala
6. Apothecia narrowly obconical or obpyriform, often 2-3/stalk;
stalk long, slender and flexuous; ascospores pale, 6-7 × 2.5-3 µm;
rare, Washington County ................................Chaenothecopsis savonica (Räs.) Tibell?
5. Cells of lower part of exciple enlarged and paraplectenchymatous;
ascospores 6-8 × 2.5-3.5 µm; on old wood; Citrus and Sumter counties.................................
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