PLANTARUM %fy - Algaebase
PLANTARUM %fy - Algaebase
PLANTARUM %fy - Algaebase
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LICHENES. VII. PYRENASTRUM. 17<br />
YII. PYRENASTRUM, ESCHW.<br />
APOTHECIUM turbinatum, perithecio carbonaceo integro longe ostiolato, ostiolis<br />
conicis sacpius pluribus in os commune desinentibus.<br />
THALLU9 crustaceus.<br />
Sectio I. PYRENACANTHIUM. Apothecia semiimmersa, subsolitaria, ostiolis longe<br />
promincntibus subdivergentibus.<br />
1. PYRENASTRUM ECHINATUM. Tab.VIII. Fig. 6.<br />
P. crusta laevigata glauco-fuscescente, apotheciis globoso - turbinatis solitariis<br />
vcl latere connatis absque verruca, ostiolo tenui cuspidato.<br />
Crescit ad arboris corticem nodosum prope Para.<br />
Tab. VIII. Fig. VI. 1. Planta magmtudme nat irali. 2 Pars ad Ientem simplicem visa, apo thecio unico<br />
crpendiculum resccto lo lge et spiniformi-ostiolato binis aliis latere conna is , ostiolis breviori us. 3. The-<br />
inijilicrs vcl semcl aim ulatae vcl sporam unicam binasvc foventes.<br />
Sectio II. EUPYRENASTRUM. Apothecia subimmersa, pleraque aggregata, ostiolis<br />
pro parte occultis, pluribus convergentibus saepius in os commune desinentibus.<br />
2. PYRENASTRUM SULPHUREUM. Tab. VIII. Fig. 7.<br />
P. crusta subcerata bullosa et rugulosa sulphurea umbrato-limitata intus alba,<br />
apotheciis profunde immersis lageniformibus solitariis aggregatisve, ostiolis elongatis<br />
subindc in os commune desinentibus, apice incrassato prominentibus.<br />
Crescit in arborum cortice ad Jluvium Amazonum.<br />
Tab. VIII. Fig. VII. 1. Planta magnitudine naturali. 2. Pars ad Ientem simplicem visa, ubi conspici-<br />
untur apolhecia plnr.i Ia;:eni(minia ad pecpeudiculinn rcsecta, matricem vel thallnm in verrucarum formam<br />
• '•• i: = 'i • ••' I.'. n!ia. alia lan;::;-! f i i. •!•• i::cia-a:o pnnniuciil la; ihallnr cra:-.-ais suUlaiiiia medullar! alba plicalim<br />
et inaequaliter incrassata. 3. Pars alia verrucosa ad perpendiculum et altera horizontaliter resecta , ad in-<br />
dicanda apotheciorum plurium ostiola sursum curvata ct in os commune desinentia; in fundo plurium gela-<br />
tina albida conspicitur. 4. Sectio verticalis tenuissima apothecii singuli alte immersi ad Ientem compositam<br />
visa, ostiolo cylindrico per matricem erumpente. Thalli substantia medullaris e vesiculis minimis pelluci-<br />
dis composita ; corticalis continua , semipellucida , hexagono- vel tetragono - ccllulosa , dilute virens , sfaaio
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