104 



tions is further facilitated by giving the slides the same accession numbers 

 as the regular herbarium specimens. 



Doubtful specimens have been sent to Dr. A. J. Grout of Brooklyn for 

 identification, and due notice given in the list. 

 Order. BRYALES. 



Suborder Nematodonte.e. 



Family Polyirichacew. 

 Polytrichum Commune L. (105). 

 P. Ohioense R. & C. (106). 

 Suborder ArthrodontExE. 



Family Fissidentaceie. 

 Fissidens taxifolius (L.) Hedw. (77). Determined by Dr. Grout. 

 Mature spores in late fall and winter. Dark green mats on clay, Huckle- 

 berry ravine. Common. 



Family Dicranacea'. 

 Ditrichum pallidum (Schreb.) Hampe. (111). Mature spores in May. 

 Dense yellow-green tufts on clay, dry wooded hillsides, common. 

 Family Grimmiaccw. 

 Grimmia apocarpa (L. ) lledw. (70). Mature spores in March and 

 April. On limestone slabs and cliffs forming almost black cushi(»us, abun- 

 dant. 



Family Tortulacew. 

 Weisia viridula (L. ) Hedw. (72). Mature spores in April, abundant. 

 Barbula unguiculata (Huds.) Hedw. (lOo). Spores mature from late 

 fall to early spring. 



Family Funariacea}. 

 Funaria flavicans Mx. (79). Mature spoi'es in April. Kare. 

 F. hygrometrica (L) Sibth. (101). Mature spores in May. Cuiuuiuii. 

 Physcomitrium immersum Sulliv. (122). 



Family Bryacccr. 



Hryum capillare L. (112). Mature spores in July. Occasional on 

 wooded hillsides. 



I'., intci-medium Brid. (lOS). Mature spores in May. On limestone 

 wall of Oolitic Stone Mills Company's reservoir. 



Mniuni ntliiic Rand. (8."}). Determined by Dr. Grout. Mature spores 

 in April. On diiiiip soil in Ilucklcborry Ravine. Not common. 



