r 













. . 





' 



Pyrenocarpeae Cubenses. 405 













6. A. (s. flesopyreuia plaiiorbiculata Müll. Arg.; thallus albidus, tenuis- 

 simus, citissime evanescens et epidermidem testaceo-pallidam relinquens ; 

 apothecia 4 — y i0 mm. lata, densesparsa, orbicularia. deplanalo-convexa, 

 basi in sectione axili utrinque late crasso-alato- producta, sc. basi horizon- 

 taliter alata, nuda et nigra, vertice demum minute umbilicata; perithecium 

 incomplete dimidiatum, subtus tenuius aut tenuissimum, undique nigruni; 

 nucleus pro latitudine apotheciorum parvus, depresso-ellipsoideus, albus; 

 paraphyses densae, connexae; asci subuniseriatim et biseriatim 8-spori; 

 sporae IT— 19a longae. 3 — 4 jx latae, digitiformes , graciles, distracto-bilo- 

 ciliares. — Proxima A. planiori, sed apothecia basi circumcirca plano- 

 alata et basi incomplete dimidiata. — Verr. Cub. 64 (Verrucaria pla- 

 norbiculata Nyl. in Flora 18T6, p. 364, sine charact.). 





7. A. (s. flesopyrenia) gracilenta Müll. Arg.; thallus albidus, tenuissi- 

 mus, laevis, mox evanescens (et cum epidermide maculam rufescenti-palli- 

 dam formans), margine linea fusca cinctus; apothecia numerosa, dense 

 sparsa, 5 — 6 / 2 o mm - ' ata > orbicularia, deplanalo-convexa, mox nuda et 

 nigra; perithecium dimidiatum, nigrum, subtus plane deficiens; sporae in 

 ascis 2-seriales, circ. 13 ti longae et 2>/ 2 — 3 jjl latae, digitiformes, utrinque 

 obtusae, 2-loculares. — Est quasi forma diminutiva A. planorbiculatae, 



/ 



sed apothecia multo minora et perithecium subtus deficiens. — Habitu dein 

 ad M i c r o t h e 1 i a m i n t e r m e d i a m valde accedit , at sporae hyalinae et 

 ambitu multo graciliores sunt. — Inter miscell. lecta, et Verr. Cub. 67 

 (sed haec tarnen in meo specimine sporis caret). 



8. .4. (s. Acrocordia) eicelleos Müll. Arg.; thallus albus, late expansus, 

 tenuissimus, subverniceus, nitidulus, demum pulverascens, linea nigra 



e 





(lexuosa cinctus; apothecia s — 10 / 10 mm. lata, globosa, nigra, immersa, 

 vertice demum denudato et latiuscule umbilicato modice emergentia; peri- 

 thecium completum, undique aequicrassum ; nucleus albus; paraphyses ca- 

 pillares, connexae; asci lineares, 3 — 4-spori ; sporae imbricatim 1-seriales, 

 38 — 83 |x longae, 16 — 24 ij, latae, aequaliter 2-loculares, loculi versus 

 apicem paullo angustati, late obtusi. — Species valde insignis, nulli arcte 

 affinis. — Verr. Cub. 78 (Verrucaria excellens Nyl. in Flora 1. c, 

 sine charact.), 79. 



9. A. (s. Acroconlia) glaucescens Müll. Arg.; thallus olivaceo-alaucus, 

 late expansus, crassiusculus, verniceo-laevigatus, opacus, demum rimoso- 

 lissus, margine effusus, undique creberrime fertilis; apothecia 4 — % mm. 

 lata, globoso-hemisphaerica, alte convexa, basi immersa, nuda, atra, regu- 

 laria et torquato-subirregularia ; perithecium completum, nigrum; para- 

 physes capillares, connexae; sporae in ascis linearibus 1-seriatim 8-nae, 



J I 



28—34 jx longae et 10— 1 3 jx latae, 2-loculares, utrinque obtusae. —Affinis 











A. limitanti. — Verr. Cub. 77 (Verrucaria alaucescens Nvl. in 

 Flora 1. c. sine charact.). 







