A Monograph of the Lichen Genus Parmelina Hale - Smithsonian ...
A Monograph of the Lichen Genus Parmelina Hale - Smithsonian ...
A Monograph of the Lichen Genus Parmelina Hale - Smithsonian ...
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NUMBER 33<br />
2. Thallu\ densely lobulate uithout formation <strong>of</strong> isidial initials (Figure 4f)<br />
47. P. xantholepis<br />
2. Thallus noimally isidiate or lobulate-isidlate.<br />
3. Isidia large, doisiientral and lobulate<br />
8. P. degelii<br />
3. Isidia normal, cylindrical and erect.<br />
4. Lobes subirregular and apicall) rotund, 3-6 mm wide 24. P. lindmanii<br />
4. Lobes sublinear, 1-2 mni Ttide.<br />
5. Plants saxicolous (rarel) coi ticolous) 111 eastetn Sorth America 28. P. obsessa<br />
5. Plant5 corticolous in Sou<strong>the</strong>ast A5ia 30. P. perisidians<br />
1. Medulla M hite.<br />
6. Thallus densel) lobulate I\ ithout isidial initlals (Fignre 4e)<br />
6. Thallus isidiate 01 lobulate-isidiate.<br />
7. lsidia in part ptocumbent and lobulate (Fignre 4c,rl).<br />
36. P. schindleri<br />
8. Medulla C+ rose 38. P. qpathulata<br />
8. Medulla C-<br />
18. P. hori escens<br />
7. lsitlia erect, cylintliical.<br />
9. Medulla Kf jellou turning red.<br />
10. Collected in tiopical Ameiica, norstictic acid piesent<br />
10. Collected in Asia and Aflica; salazinic acid present.<br />
2. P. antillensis<br />
11. Lobes subirregulal, cioitded, apicall) iotund<br />
46. P. urallichiana<br />
1 I . Lobes bublineai, looselp dii aricate 44. P. usambarensis<br />
9. Medulla I(- or faintly )elloit.<br />
12. Medulla Cf rose 01 led.<br />
13. Isidia apically flattened and peltate<br />
13. Isidia cylindiical, not peltate.<br />
29. P. pastillifera<br />
14. Medulla C+ intense red (lecanoric acid)<br />
14. Medulla C+ lose (g)iophoiic acid).<br />
43. P. tiliacea<br />
15. Lobes narrow, 1-2 mni nide; upper surface emaculate: isidia<br />
eciliate 10. P. dissecta<br />
15. Lobes broader, 2 4 mm itide; upper surface maculate; isidia<br />
ciliate 25. P. melanochaeta<br />
12 4iedulln C-.<br />
16. Medulla P+ red<br />
16. Medulla P-.<br />
22. P. jamesii<br />
17. Louei surface bronn to hlacLening in palt<br />
17. Lower suiface unifoimly black.<br />
14. P. expallida<br />
18. Isidia apically ciliate; medulla KC+ rose 18, P. hort escens<br />
18. Isidia eciliate; medulla KC- 20. P. indico<br />
111. THALLUS SOREDIATE, SOREDIATE-PUSTULATE, OR PU5TULATE<br />
1. Medulla entirely white.<br />
2. Lobes broad and apicall) rotund; coi tex con
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