25 
94.  Lecidea leucoxantha Spreng. (Biatora tricolor Mont.). 
Monospora, Spora elliptica, long. 0,082—088, erass. 0,027 
—033 mm., muralidivisa, primitus hyalina, dein olivacea. Hypo- 
thecium fulvum; paraphyses longæ, filiformes, discretæ., 
"Lagoa Santa, ad cortices. 
95.  Lecidea rubella (Ach.) Nyl., forma minor. 
Thallus macula albida formatus, determinatus, subnullus; 
apothecia typo minora, sporis acicularibus simplicibus, usque ad 
0,038 mm. longis, hypothecio albido. 
Lagoa Santa, ad arbores. 
96. Lecidea mutabilis Fée Supplem. p. 105. 
Lagoa Santa, ad cortices. 
X. Graphidei. 
97. Graphis leiogrammodes (Nyl. in litt.), 
Thallus albidus, tenuis lævis effusus vel determinatus; apo- 
" thecia numerosa, gracilia, supra thallum sparsa, fusca vel fusco- 
nigra , immersa, plana, in statu typico albopruinosa et margine 
tenui thallino, mox evanido, dein nuda, variiformia, breviuscula, 
simplicia flexuosa, sæpe furcato-divisa, cornu cervi æmulantia 
immo subdendritica vel stellatim radiata; hymenio vel toto apo- 
thecio facile elabentibus; sporæ 8, ellipsoideæ, primo pallide- 
olivaceæ, denique obscure fuscæ, 4-loculares, long. 0,017—019, 
0,005—007 mm. 
Lagoa Santa, ad cortices læves. 
Species Graph. leiogrammæ Nyland. novagranatensi quoad 
formam apotheciorum et. sporarum subsimilis, sed habitus alius; 
apothecia elapsa in thallo relinquunt formas suas insculptas. 
Tab. nostra, fig. 15; sporæ duæ. 
98. Graphis anfractuosa Eschw. in Mart. Flor. Bras. p. 86. 
Lagoa Santa et Serra da Mantiqueira; ad cortices, 
Apothecia quoad magnitudinem et formam variabilia, sed 
semper sessilia, nuda, nunquam margine thallino cincta. 
