232 NEW BRITISH LICHENS. 
non publicatum = Tetroncium Magel- alge Fl. Hercynie in Linn. 1840, 
lanicum, Willd. (teste Willd. in Ma- 867 — T. maritim 
gazin d. Gesellschaft naturforschender | T. striata, R. et PEL pem et Chil. 
Freunde in Berlin, 1808, ii. 17). 1802, i 
T. Regneri, C. Koch, Beiträge zur Pipes T. trian, Miche. Fl. Bor. Amer. 1803, 
des Orinin Linn. 1849, xxii. 272, i. 208 
an T. maritime, var P T. trichophora, Nees s. — in Pl. 
T. salina, Wallr. Scholion zu Hampe’s Preiss. 1846-1847, i 
NEW BRITISH LICHENS. 
By tHe Rev. James CRoMBIE, M.A., F.G.S., F.L.S. 
No. III. 
In addition to those enumerated in the two former papers, there are 
now to be described the following new species recently discovered by 
me in the New Forest and in Scotland, one of which, however, had 
previously been recorded by 
cidea tenera, Nyl. in Flora, 1869, p. 83; thallus cinereous- 
green, thin, somewhat subgranulate, indeterminate, everywhere rimu- 
lose; apothecia pale, minute, plane, with paler margin; spores 8 in 
theez, colourless, oblong or subbacillar, simple or obsoletely 1-sep- 
tate, 0008—0:10 mm. long, 0:0015—0:0025 mm. thick; paraphyses 
moderately thickish, with clavate apex, epithecium and hypothecium 
colourless ; hymeneal gelatine blue with iodine, spermogones colour- 
less, spermatia oblong. 
On the smooth face of a granitic rock on the coast of Kincardine- 
shire, S. of the Bay of Nigg. August, 1868. "Though occurring 
plentifully in one spot, it was seen by me nowhere else in the neigh- | 
bourhood. It is allied to Z. globulosa, Flk., from which it is sufti- 
ciently distinguished by the above characteristics. 
. precavenda, Nyl. in litt.; thallus obscure, thin, scarcely 
D. apothecia black, plane or meist concave, margined, small; 
spores 8i in theeze, faintly blackish, elliptical, 1-septate, 0:014—17 mm. 
long, 0:006—8 mm. thick; paraphyses slender, epithecium obscurely 
amber-brown, hypothecium somewhat reddish-brown, above more in- 
tense in colour; hymeneal gelatine blue, and then wine-red with 
4 
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b 
