BOTANICAL GLEANINGS IN MICHIGAN. 265 
and can scarcely be considered as aus species. Britton 
and Brown reduce them to synonymy. 
Potamogeton foliosus, Raf., var. Menteheis (Tuckerm. ) 
Morong. In the Bell River at Marine City, No. 6736, Aug. 29. 
' Najas flexilis (Willd.) Rostk. & Schmidt., var. robusta, Mo- 
rong. This stout, elongated form with flat leaves was found in 
Lakeville Lake, Billington, Farwell and Gladewitz, No. 6654, 
July 26, 1923. 
Panicum Werneri, Scribn. Grand Ledge, Billington and Far- 
well, No. 6562, June 9, 1923. 
Panicum barbulatum, Michx. Grand Ledge, Billington and 
Farwell, No. 6559, June 9, 1923. 
Muhlenbergia racemosa (Michx.) BSP., var. ramosa (Va- 
sey) Beal. On the wet marshy covering of a submerged lake 
near Hamburg, No. 6763, Sept. 5. The typical form of the 
species also was found there, No. 6762, Aug. 29. 
Deschampsia caespitosa (L.) Beauv. A very beautiful 
grass growing in the crevices of rocks on the lake shore. Asso- 
ciated with Solidago racemosa,\ Artemisia Canadensis and 
Campanula rotundifolia var. Langsdorfiana. Eagle Harbor, 
No. 6620, June 29, 1920; sand dunes northwest of Clifton, No. 
717, August 20, 1889. 
Eragrostis Eragrostis (L.) Karst. This grass seen last year 
for the first time, was found in abundance this year at Imlay 
City ; No. 6682, Aug. 15; Ann Arbor, No. 6780, Sept. 12, 1928. 
Poa sylvestris, Gray. Somewhat similar to P. debilis but it 
has much broader leaves and the lemmas have pubescent 
nerves. ‘Grand Ledge No. 6569, June 10, 1923. 
Bromus inermis, Leyss. In waste grounds at Linden, No. 
6664, August 1. 
Eleocharis rostellata, Torr. Beal records this from the 
Lower Peninsula only. In peat bogs associated with Carex 
gynocrates and C. exilis. Eagle Harbor, No. 6631, June 29, 
1923. 
Eriophorum Virginicum, L., var. album, A. Gr. This varie- 
ty was found in abundance in an extensive peat bog near Ox- 
ford. Some of the plants had scales that were only 1 nerved 
instead of the usual 3-5 ribs. No. 6831, Sept. 26. 
