They look very splendid, but I don't know what the functional significance of the hairs and water droplets might be. I'm not even sure whether the water comes from the substrate and is being sweated out through hairs, or if it is condensing out of the atmosphere onto them.

Here's a micrograph of Scytinium lichenoides photobiont given a similar treatment by me. It's described as having Nostoc in short chains. Most other people depict photobionts in thin sections, while I've been cutting open a thallus and letting the contents spill out. I presume I'm doing it wrong...

Here's some cells that spilled out of the cut end of a branch of the cyanomorph: