276 
XXIV. Thongs. Crypt. Algae. 
Springs, April, A. Rare. 
Eversholt, 
Ohs : 
Midrib thicker than the other parts. 
Byssus. Byssus. Gen. PI. 1673. 
Fibres simple, downy. 
932. Paper Byssus. — B. flos aqua:;. 
Threads feathery, floating. 
Stagnant Waters, May, A. Common, 
Ohs: 
Jn a dry state very like coarse zohitey-brotvn paper. 
933. Violet Byssus. — B, phosphorea. 
Downy, violet colored, adhering to wood. — 
Dillenius. I. 6. 
Stumps, October, A. Common. 
Ohs : 
Plant velvety^ extremely grand token viewed in sunshine. 
934. Velvet Byssus. — B. velutina. 
Hair-like, green, threads branched. — Dille- 
nius. I. 14. 
On the ground, October, A. Common. 
Ohs : 
Unless seen with a magnifier, this plant has the appearance 
of some of the smaller mosses. 
935. Golden Byssus. — B. aurea. 
Flair-likc, 
