68 OTTO VERNON DARBISHIRE, (Schwed. Südpolar-Exp. 
I I 
Subant- | Sout I e | S | 
| ubant ou h Ant ıbant outh Ant 
arctic Geor- PR arctic Geor- | 2 
A F arclıs. ‚ arctis. 
|America.| gia. America.| gia. 
| | 
| Number of species: Number of species: 
Pyrenocarpi. | rn 
Cyanopheliales. | ’ | 
Verrucaria PERS.. . . .| 7 1 8 
Parmeliella MÜLL.-ARG. . 5 oo _ role Mir Are = we = 
% 7 )EL. re 5 — — 5 
Pannaria DEı I Arthopyrenia  (Mass.) 
Psoroma Nyı 8 1 _ MÜLLB-ARCH HN 2 3 — — 
Erioderma MÜLL -ARG. . 3 _ u Lepolichen MÜLL.-ARG. . 1 = — 
Sticta ACH. 18 z 1 Pleurotrema MÜLL.-ARG.. 1 —_ _ 
| Stictina NYL. 23 | I _ Dermatocarpen (ESCHW.) 
: EIER —_ _ 
| Peltigera HFFM. 7 | I = I " | 
Islam Nu j n air a Endocarpon ACH. . . . - | — | 1 
| | 7 2 Ho me % — —_ 
| Nephroma ACH. .. . . 4 | Ver TRapolir DCH 2 | | 
= . m | Mastodı: < ARV. 
In eDhrbmium NL a Yastodia HOOK. et HARY I 1 | I 
- Endoc CROMB. =. — 
| GOLEMGRACH En — | 1 Endocena CroM | . | 
c - SEHNWIGANERS — | — 
| Zeptogium KBR. . . . . 4 zZ — ERBEN 4 
| | Addenda. 
I} 1} 
| Tepzaysa NOCH ee 2 —, 2 
We have altogether S6 genera occurring in the regions of Subantarctic America, 
South Georgia and the true Äntarctic. 
The following is an analysis of this figure: 
Of these 86 genera there occur in 
Fruticul. Foliac. Crust. Total. 
Subantarctie America only... .. 2.2 .22.2..085 II 27 43 
> and SsoufhuGeorpiasar. 2 0. 5 2 7% 
> De Antarctich ee 2 8 14 
In all three regions . 4 7 14 
SoulhE Geormia only _ 1 I 
» E andeAntaretier Ka a Er — — - 
Biegen Oh ae een et 2 AN, 
Total 13 24 49 86 
That is to say of these 86 genera there occur altogether in: 
Fruticul. Foliac. Crust. Total. Species. 
Subantaretic>Ameriea u 12 22 44 78 366 
SONNIG EOTPTa re [6] Ce) 22 55 
Atari ne ee a 28 3 19 35 106 
The exclusion of a number of genera from the Antarctic and from South 
Georgia is of course in part due to the absence of trees and of any organic sub- 
