96 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 
Pleuridium Brid. 
Leaves spreading, upper leaves long-subulate..P. alternifolium 
Leaves of sterile shoots closely appressed, upper leaves of 
fertile shoots abruptly short-pointed.......... P. Sullivantii 
Pleuridium alternifolium (Dicks.) Rabenh. 
Moist clayey or sandy soil in fields and ditches. Spring. 
New Haven: East Haven, J. A. Allen; Hamden and New 
Haven (1874), Eaton. 
New England to Wisconsin, south to the mountains of 
Alabama; Europe; Asia. 
Exsic. Holzinger, Musci Acro. Bor.-Amer. No. 227. 
Rer. Eaton, 15, 61. 
Pleuridium Sullivantii Aust. 
Light, sandy soil in fields. Spring. New Haven: Orange 
(1880), O. D. Allen. 
Connecticut to South Carolina. 
Ditrichum Timm 
1. Monoicous; stalk yellow; fruiting in June......... D. pallidum 
Dioicous; stalk red; fruiting in autumn.................. 2 
2. Stem leaves imbricated; perichetial leaves long-sheathing 
D. vaginans 
Stem leaves spreading; perichetial leaves scarcely sheath- 
INS adic s diced Si aaew teem aeades ChaeeR dea ea disease D. tortile 
Ditrichum vaginans (Sull.) Hampe. Leptotrichum vagt- 
nans Schimp. 
Moist, sandy or loamy ground in hilly regions. Autumn. 
LircHFIELD: Salisbury, Nichols. WinpHAm: Canterbury, 
Mrs. Hadley. Fatrrietp: Danbury, Nichols. NEw Haven: 
Hamden, O. D. Allen; New Haven (1855), Eaton. 
New Brunswick to North Carolina, west to Missouri; 
Europe. 
Rer. Eaton, 15, 62. 
Ditrichum tortile (Schrad.) Lindb. Leptotrichum tortile 
C. Mill. 
Clayey soil along roadsides and in fields. Autumn. Hart- 
ForD: Glastonbury, Miss Lorenz. ToLLanp: Bolton and 
