9- C. roscidum, Flk., Nyl., b. trabinellum, Nyl. On dead wood. 
10. C. Clirtisii, Tuck. On Rhus typhina , Weymouth. 
11. C. byssaceuill, Fr. On red maple, 1868; on oak, Rhus vene¬ 
nata, and most luxuriant on upper branches of witch hazel, 1882. 
12. C. polyporsenili, Nyl. On Polyporus versicolor on trees. 
1875. 
13. C. populneum, De Brogn.P Two apoth. of a Calicium on 
poplar, 1S76, the spores not seen, may belong here. A Calicium on 
poplar was also sent me from Illinois by Mr. J. Wolf. 
14. C. pallidclluill, n. sp. A single specimen on Pertusaria 
velata, 1877, with very short, pale stipes, and bilocular spores, .006- 
10 by .003-5 mm., which distinguish it from C. leucopodtim , Nyl. 
15. C. inicrocephaluill, (Sm.J Turn. & Borr. On rails; rare. 
1866. 
16. C. tlirbinatum, Pers. Parasitic on Pertusaria pertusa. 1866. 
17. C. tllbcCforme, (Mass.) Parasitic on Pertusaria pustulata, 
N. B., 1866: and at Onset Bay, 18S0. 
48. CONIOCYBE, Ach. 
1. C. furfuracea, (L.) Ach. On dead wood and dead leaves, 
1862. 
2. €. gracilescens, n. sp. A minute plant, l'esembling C.pallida, 
but with oblong spores, .005^ by .002 mm. Found only once in small 
quantitv, 1865, associated with Calicium phceocephalum, v. aciculare. 
Tribe V. VERRUCARIACEI. 
49. ENDOCARPON, Hedw., Fr. 
1. E. ininiatum, (L.) Schaer. On rocks. 
b. complicatum, Schaer. 
c. aquaticum , Schaer. On Submerged stones in brooks, N. B. 
and Weymouth. Rare. 
2. E. arboreum, Schwein. On trees, N. B. and Weymouth. 
Rare. 
3. E. liepaticillll, Ach. On the earth about stone walls. 
4. E. pusillum, Hedw. On rocks and bricks, N. B. and Wey¬ 
mouth. Rare. 
