Canterbury progressive folk outfit. Vocalist Barbara Gaskin went on to work with Hatfield And The North. Interesting. File under: Canterbury Prog Folk.
Discography In the music library: Anthems In Eden: Captain's Log
Fairport Convention - The Fairport Companion: Dangerous Dave
Links: Wikipedia Facebook AllMusic Discogs ProgArchives
Nostalgia Central Spirogyra interview with Martin Cockerham
Looking Back: Remembering Spirogyra - the cult acid folk band who formed in Bolton