44 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 
4. Cortical cells averaging 0.07 X 0.04 mm; gemmez rare 
R. latifrons 
Cortical cells averaging 0.04 X 0.025 mm; gemmz two- 
celled, often: abundants..i< 4 cedaccseieeg wees eseas R. palmata 
Riccardia pinguis (L.) S. F. Gray. Aneura sessilis Spreng. 
In swamps. April-June. LircHFieLp: New Milford and 
Salisbury, Nichols. Hartrrorp: Hartford, A. H. Graves. 
New Haven: East Haven (1874), Hall; Orange, Evans. 
MIDDLESEX: Cromwell, Evans. 
Greenland to Alaska, and south to the West Indies, Mexico, 
and Brazil; Europe; Asia; Africa; Australia. 
Rer, Eaton, 15, 69. Evans, 28, 170. 
Riccardia multifida (L.) S. F. Gray. Aneura multifida 
Dumort. 
In swamps and on wet rocks. May and June. LircuH- 
FIELD: Salisbury, Evans. FarrFIeELD: Redding, Evans. NEw 
Haven: Orange (1876) and Woodbridge, J. A. Allen. 
Newfoundland and Nova Scotia, south to Virginia; 
British Columbia to California; Europe; Asia. 
Rer. Eaton, 15, 69. Evans, 28, 170. 
Riccardia sinuata (Dicks.) Trevis. Aneura pinnatifida 
Nees, in part. 
On dripping rocks. April and May. New Haven: 
Hamden (1855), Eaton; Woodbridge, J. A. Allen. 
New England south to New Jersey; also in British 
Columbia; Europe; Asia. A rare species, the range of which 
is very incompletely known. 
Exsic. Austin, Hep. Bor.-Amer. No. 115, in part (as 
Aneura pinnatifida). Miss Haynes, Amer. Hep. No. 36. 
Rer. Eaton, 15, 69. Evans, 28, 170. Underwood, 71, 553 
72, 726. 
Riccardia latifrons Lindb. 
On rotten logs. May-August. LitcurieLp: Salisbury, 
Evans. Totranp: Bolton and Stafford, Nichols. NrEw 
Haven: Cheshire, Evans; Woodbridge (1879), J. A. Allen. 
