130 Cheney and True—Flora of Madison and Vicinity . 
851. H. sylvcdicum , Huds. 
Growing on the ground in woods on the left bank 
of Yahara river, three miles northeast' of Men- 
dota, and on the ground in thicket northeast of 
Lake Monona; Not common. 
852. H. denticulatum , Linn. 
Common on the ground and decaying wood in 
moist woods. 
Amblystegium. 
853. H. serpens , Linn. 
On the ground, everywhere. 
854. H. radicate , Beauv. 
Plants agreeing quite closely with the European 
Amblystegium are common throughout the region. 
It is probable, however, that they will prove to 
be A. vctrici. 
855. H. orthocladon , Beauv. 
Specimens of this plant were collected at Wash¬ 
burn Springs, along the lake shore east of Fuller’s 
woods, east of Lake Monona and at McFarland. 
Not common. 
856. H. irriguum , Hook. & Wils. 
Growing on the ground about Washburn Springs 
and about the large springs on the south side of 
Lake W T ingra. Not common. 
857. IT. irriguum , Hook. & Wils., var. spinifolium , Lesq. 
& James. 
In most calcareous springs throughout the region. 
Collected in the fruiting stage in a large spring 
south of Lake Wingra and in one of the springs* 
on the south side of the lake. 
858. H. adnatum , Hedw. 
Growing; on stones and at the bases of trees in 
woods. Not rare. 
859. H. compactum , Muell. 
On calcareous soil at the base of Maple Bluff- 
Fare. 
