84 



ABIES, Juss. Balsam Fir. 



2090. A. balsaMEa, Miller. (Canada Balsam Fir.) 



A .slender tree, found in swampy woods. Cones large, oval-cylindri- 

 cal, 2-4 inches long, borne erect on the upper side of spreading 

 branches, frequently in dense masses at the tops of the trees. 

 Leaves sessile, flat, on vigorous apical shoots scattered and bottle- 

 brush-like as in Picea ; but 2-rauked on the horizontal branches. 

 Foliage very aromatic. 



LARIX, Mill. Larch. 

 2094. L Americana, Michx. (Tamarack. Black Larch.) 



A slender, graceful tree with valuable timber, growing in peat bogs. 

 Strangely called " Juniper " in the Maritime Provinces. June 1. 



ENDOGENS. 



HYDROCHARIDACE^. Frog's-bit Family. 



ELODEA, Michx. Water-weed. 

 2108. E. Canadensis, Michx. 

 Anacharis Canadensis, Planchon. 



Abundant in all slow waters. The remarkable flowers of this and 

 the next are well worth examiniug by all botanists. 

 VALLISNERIA, L. Eel-grass. 



2209. V. spiralis, L. (Water Celery.) 

 Abuudanfe in lakes and rivers. 



ORCH I DACE^. Orchid Family. 



MICROSTYLIS, Nutt. 



2210. M. MONOPHYLLOS, Lindl. 



Peat-bogs. Rare. Dow's Swamp. Mer Bleue. Hull. La Peche. 

 Raceme long and slender, the pedicels short. June 3, 



2211. M. OPIIIOGLOSSOIDES, Nutt. 



In similar places as 2210. Rare. Dow's Swamp. Eastman's Springs. 

 Aylmer. July 2. Raceme conglomerate at snmmit of scape 



