PART 1

22. Podetia forming abruptly flared, centrally proliferating cups;
psoromic acid; north to Seminole County..........................................................................C. rappii Evans var. rappii
21. Thallus PD+ orange-red (fumarprotocetraric acid).......................................................................................................... 28
28. Podetia forming broad cups ....................................................................................................................................... 29
29. Cups not centrally proliferating, sorediate/areolate.............................................................................................. 30
30. Fumarprotocetraric and either grayanic or cryptochlorophaeic acids ............................................................ 31
31. Grayanic acid (this strain may not be in Florida) .................................................C. grayi Merr. ex Sandst.
31. Cryptochlorophaeic acid; rare, Franklin County ..................................C. cryptochlorophaea Asahina
30. Fumarprotocetraric acid only; reported from peninsular Florida
by Moore, NY holds a couple of dubious records................................. C. chlorophaea (Sommerf.) Sprengel
29. Cups centrally proliferating, abruptly flared; smoothly
corticate; south to Polk County..........................................................C. rappii Evans var. exilior (Abbayes) Ahti
28. Podetia not forming cups or forming very narrow, irregular cups ............................................................................ 32
32. Podetia not sorediate ........................................................................................................................................... 33
33. Podetia simple, short; apothecia much exceeding stalk or
podetia gradually swelling to the apothecia.................................................................................................... 34
34. Squamules small, unlobed, appressed, imbricate;
apothecia exceeding stalk; south to Polk County................................... C. peziziformis (With.) Laundon
34. Squamules larger, somewhat lobed, usually recurved;
apothecia ± equal to stalk; Duval County, a somewhat
dubious Calkins collection....................................................................................... C. sobolescens Nyl.
33. Podetia taller, branched, often with poorly developed cups;
squamules lobed, erect to recurved; south to Polk County............................................... C. simulata Robbins
31. Podetia sorediate ................................................................................................................................................. 35
35. Primary squamules at most marginally sorediate........................................................................................... 36
36. Podetia awl-shaped or irregular; soredia farinose or
granular; grayanic acid lacking [C. ochrochlora Flörke
will key here. There is no trustworthy record for
the state] .................................................................................................................................................... 37
37. Podetia with farinose to granular soredia above,
granular soredia mixed with isidioid squamules below;
cortex dissolved except for basal collar; throughout
Florida....................................................................................................C. subradiata (Vainio) Sandst.
37. Podetia often mostly or partly corticate with patches
of coarse soredia; exposed stereome translucent;
throughout Florida ..........................................................................C. ramulosa (With.) Laundon s.lat.
36. Podetia short, stubby with coarse granular soredia;
containing grayanic acid; rare, Union County...........................................C. cylindrica (Evans) Evans
35. Primary squamules dissolving into a sorediate crust;
podetia tiny, pointed; Franklin County.......................................................................................... C. nana Vainio
12. Squamules very large, curled into balls when dry; usually without podetia;
on sand; south to Polk County ............................................................................................................................ C. prostrata Evans
BIATORACEAE Stizenb.
33