BEAL ON MICHIGAN FLORA. 67 



SAURURACEiE Lindl. Lizard's-tail Family. 

 SAURURUS L. 

 *752. S. cemuus L. Lizard's-tail. Swamps, river-sides. Common. C. & S. 



JUGLANDACEvE Lindl. Walnut Family. 



JUGLANS L. 



*753. J. cinerea L. Butternut. Low rich woods. 



*754. J. nigra L. Black Walnut. Becoming scarce from Bay City south. C. & S. 



HICORIA Raf. Cabya Nutt. 



*755. H. alba (L.) Britton. Mocker-nut. Carya tomentosa Nutt. Dry Woods. 

 Flint; Grand Rapids, Coleman's Cat.; Three Rivers; Cassopolis, C. F. Wheeler; Ann 

 Arbor, C. A. Davis. Rare. C. & S. 



756. H. borealis Ashe. Northern Hickory. Belle Isle, Detroit, 0. A. Farwell; 

 Rochester, W. A. Brotherton, and probably elsewhere. 



757. H. glabra (Mill.) Britton. Pig-nut Hickory. Carya porcina Nutt. Woods. 

 Alma, Ann Arbor, C. A. Davis. C. & S. 



758. H. laciniosa (Michx. f.) Sarg. King-nut. Carya sulcata Nutt. Monroe Co., 

 White Pigeon, W. J. B.; Teconsha, G. W. Davis; Ann Arbor, C. A. Davis. River bot- 

 toms. Rare, except in the extreme south. 



759. H. microcarpa (Nutt.) Britton. Small-fruited Hickory. Carya microcarpa 

 Nutt. Ann Arbor; Cassopolis; Three Rivers. S. 



*760. H. minima (Marsh.) Britton. Bitter-nut. Carya amara Nutt. Common. 

 C. & S. 



*761. H. ovata (Mill.) Britton. Shag-bark. C. & S. Carya alba Nutt. Common. 

 C. & S. 



762. H. villosa (Sargent) Ashe. Belle Isle, 0. A. Farwell. 



MYRICACEiE Dumort. Sweet-Gale Family. 

 MYRICA L. 



763. M. cerifera L. Bayberry. Wax-myrtle. S. Mich., Winch. Cat.; Wayne Co., 

 C. A. Davis. 



764. M. Gale L. Sweet Gale. Swamp near Crooked Lake, Emmet Co.; Harrisville; 

 Manistee, E. J. Hill; Isle Royale, Dr. A. B. Lyons; Roscommon, C. A. Davis. N. & U. P. 



COMPTONIA Banks. 



764. C. peregrina (L.) Coulter. Sweet-fern. Myrica asplenifoUa L. South, Wr. 

 Cat.; Detroit, Dr. A. B. Lyons; Alma, C. A. Davis. Very common in the center of the 

 State and northward throughout the pine country, of which it is a chracteristic 

 species. 



SALICACEiE Lindl. Willow Family. 

 POPULUS L. 



*-7f 



'765. P. alba L. White Poplar. Abele. Occasionally escaped from cultivation. 

 766. P. balsamifera L. Balsam Poplar. River banks. A small tree in Michigan. 

 Northward. Th. 



766a. P. candicans Ait. Balm of Gilead. P. dalsamifera candicans A. Gray. Cul- 

 tivated, occasional. Indigenous northward. 



*768. P. deltoides Marsh. Cottonwood. P. moniUfera Ait. Sometimes a large tree, 

 three feet in diameter. Infrequent. Collected by the Forestry Commission, June, 1888, 

 in Alcona Co. L. P. 



*769. P. dilatata Ait. Lombardy Poplar. Occasionally escaped from cultivation. 



*770. P. grandidentata Michx. Large-toothed Aspen. Woods. Common northward, 

 but "rare in U. P." Whitney Cat.; Alma, Ann Arbor, C. A. Davis. 



