CATALOG OF PLANTS. 89 



304. Ostrya virginiana (Mill.) K. Koch. Ironwood. — Common on 



rich ground with other trees. 



305. Carpinus caroliniana Walt. Blue beech. — Common on rich 



dam]:) ground with other trees. 



306. Betula lutea Michx. f. Yellow birch. — Frequent on moist 



ground with other trees. Trees mostly small, the larger 

 ones having been cut. 



307. Betula alba L. Paper birch; canoe birch; white birch. — 



Common throughout the sand district, often on sand near 

 the lake shore. Abundant throughout Huron County on 

 burnt-over lands. 



308. Alnus incana (L.) Moench. Speckled alder. — Very common on 



damp ground and along streams. 

 ,309. Fagus grandifolia Ehrh. American beech. — Not alumdant, but 



noticed on small patches of rich ground with other trees 



throughout the sand region. 

 -310. Quercus alba L. White oak. — Frequent on rolling or level 



sandy ground and on fixed sand dunes. 



311. Quercus macrocarpa Michx. Bur oak. — Frequent on small 



patches of good ground between sand dunes. Occasional 

 on sand near the lake shore, where it acts as a sand binder 

 but usually smaller in such places. 



312. Quercus bicolor Willd. Swamp white oak. — Occasional on rich 



patches of ground near and between sand dunes. 



313. Quercus rubra L. Red oak. — Plentiful at Sand Point on 'level 



sandy ground and common on all the fixed sand dunes. 



314. Quercus coccinea Moench. Scarlet oak. — Ablmdant at Sand 



Point. Fine large specimens noticed near Port Austin. 

 Common throughout the sand region. 



315. Quercus velutina Lam. Yellow-barked oak; black oak. — 



Frequent on sandy ground and sand dunes. 



316. Ulmus americana L. American elm. — Very common along 



streams and in damp ground. 



317. Ulmus fulva Michx. Slippery elm. Red elm. — A few specimens 



noticed near Sebewaing, but reported by lumbermen as fre- 

 quent throughout. 



318. Ulmus racemosa Thomas. Rock elm. — Not noticed, Init 



reported by lumbermen as occasional. 



319. Celtis occidentalis L. Sugarberry. Hackl^erry. — Abundant on 



Little Charity Island. Some of the trees over one foot in 

 diameter two feet from ground. Xot noticed elsewhere, 

 but reported l^y W. H. Wallace as occasional near Bay port. 



