330 Dr. W. Nylander on new British Lichens. 



trigonoideo-compressa, pilosa, gyncecio piloso insita, apice 

 latere interno in stylum sensim attenuata ; styli subulati, in 

 centrum horizontaliter conniventes. Drupce paucse vel plu- 

 rimse, toro amplificato aggregatse, gibboso-ovatse, subsiccse, 

 velutinse, styli vestigio infra apicem notatse ; putamen reni- 

 formi-ovatum, dorso convexum et 3-carinatum, ventre rec- 

 tiusculum et medio sinu parvo exsculptum, tenuiter testa- 

 ceum; condylus parvus, sinum versus intra loculum paulo 

 intrusus et convexus. Semen loculo conforme, exalbumi- 

 nosum, siccum corrugatum, humectum IjEve ; integumentum te- 

 nuiter membranaceum, in rugas insinuatum et ad condylum 

 affixum : embryo ovatus vix compressus ; radicula supera, 

 macropoda, dimidium loculi implens, solide carnosa, obtuse 

 conica, summo apiculatim constricta et bic subito adpresse et 

 incumbentim iniiexa, apiculo ad stylum spectante ; cotyledones 

 loculi reliquum farciens, distinctse, crasse carnosse, accum- 

 bentes, basin versus subito incumbentim uncinato-curvatse, 

 extremitatibus radiculam fere attingentibus. 

 Frutices Africa tropica occidentalis scandentes ; folia petiolata, 

 S(Bpe majuscula, oblonga vel ovata, imo cordata aut rotundata, e 

 hasi 6- vel 5-pli-nervia, supra glabra, subtus pubescentia : pani- 

 culse ^ axillareSy scepe fasciculate, petiolo breviores, sericeo pubes- 

 centes : inflorescentia ? in ramulo novello axillaris, brevissime 

 corymbulosa ; flores in capite subsessili, hinc approximati. 



The characters of the following species will be fully detailed 

 in the third volume of my ^ Contributions to Botany :' — 



1. Triclisia macrophylla, Oliv. — In Africa sequinoctiali : v. s. in 



herb. Hook. ^, Fernando Po (Mann, 197). 

 2. patens, Oliv. — In Africa sequinoctiali : v. s. in herb. 



Hook. (^, Bagroo River (Mann, 797). 



coriacea, Oliv. — In Africa sequinoQtiali : v. s. in herb. 



Hook. ^ , Fernando Po (Mann, 174). 



subcordata, Oliv. — In Africa sequinoctiali : v. s. in herb. 



Hook. Nupe, Niger River, c? et $ (Barter, 1146 et 3397). 

 [To be continued.] 



XLVII. — Notulce Lichenologicce. No. XIV. 

 By the Rev. W. A. Leighton, B.A., F.L.S. 



The following New British Lichens are described by Dr. Ny- 

 lander in the 'Flora,' Sept. 22 and Oct. 15, 1866:— 



1. Lecidea holomeloides, Nyl. 

 Thallus obscurus vel nigricans, tenuis, discontinue efFusus, sub- 



