Você procurou por: old man's beard (any lichen of genus usnea) (Inglês - Francês)

top biology as with any lichen of this genus, the flooded jellyskin contains cyanobacteria of the nostoc type that provide sugars through photosynthesis.
haut de la page biologie comme tous les lichens de son genre, le leptoge des terrains inondés renferme une cyanobactérie du genre nostoc qui lui fournit des sucres grâce au processus de la photosynthèse.

then the youth seized the axe, split the anvil with one blow, and struck the old man's beard in with it. "now i have thee," said the youth. "now it is thou who will have to die." then he seized an iron bar and beat the old man till he moaned and entreated him to stop, and he would give him great riches.
"attends," dit le garçon, "je vais d'abord ranimer le feu pour toi." quand il l'eut fait, il regarda à nouveau autour de lui: les deux moitiés s'étaient rassemblées et un homme d'affreuse mine s'était assis à la place qu'occupait le jeune homme auparavant.