182 
Matures spores in spring aud early summer. On clay in moist ravine, 
I. U. pond. Fruiting. 
Suborder ARTHRODONTE®. 
Family Dicranacee. 
Ceratodon purpureus (L.) Brid. (163, 199). Verified by G. B. Kaiser. 
Matures in spring and early summer. On sandy soil about Gary, Lake 
County, Ind. Common. Fruiting. 
Dicranella heteromalla var. orthocarpa. (Hedw.) E. G. B. (136). Ver- 
ified by A. J. Grout. 
Capsules mature in November and December. On clay on hillside 
northeast of Bloomington, Ind. Fruiting. 
Dicranum fulyum Hook. (151). Determined by G. B. Kaiser. 
Yellowish green mats on beech tree on south side of Griffy Creek, 
north of Bloomington, Ind. Sterile. 
Family Grimmiacee. 
Hedwigia albicans (Web.) Lindb. (142, 160). Verified by G. B. 
Kaiser. 
Matures spores in spring. All material collected was sterile. In dark 
brownish green mats on decaying wood near I. U. pond. 
Grimmia doniana Smith. (130). Determined by G. B. Kaiser. 
In thin hoary patches on limestone, I. U. Campus. 
Family Tortulacece. 
Tortella cespitosa (Schwaegr.) Limp. (291). Verified by G. B. Kaiser. 
Matures spores in spring. Specimen robust and fruiting. Found on 
moist rocks above spring, Clear Creek, Ind., Monroe County. 
Family Orthotrichacee. 
Drummondia clavellata. Hook. (120, 155). 
Matures spores in spring and summer. Found fruiting on bark of tree. 
Hamilton County and Monroe County, Ind. 
Orthotrichum porteri Aust. (123). Determined by Mrs. E. G. Britton. 
Matures spores in the spring. In black-green mats upon limestone. 
Fruiting. Rare. 
Orthotrichum schimperi Hamm. (173). Determined by G. B. Kaiser. 
Matures spores in spring. In dark green cushions upon trees and 
stumps in dry places. 
Family Bartramiacea. 
Philonotis fontana (L.) Brid. (186). Determined by G. B. Kaiser. 
