292 Karl M. Wiegand and Arthur J. Eames 



Newf. to Wis., southw. to Fla. and Mo. : common on the Coastal Plain. 



Variable as to shape and texture of leaf, degree of pubescence, and color and 



size of twigs. The var. tenuifolia of Gray's Man., ed. 7 {I. bronxensis Britton), 

 seems to be at most a shade form. 



2. Nemopanthus Raf. 



1. N. mucronata (L.) Trel. (Nemopanthes canadensis of Cayuga Fl.) Mountain 

 Holly. 



Thickets, in boggy acid soils, rarely on dry gravelly acid knolls ; frequent. May 

 15-30. 



N. of Enfield Falls; Spruce Swamp, Enfield (D.) ; Larch Meadow, formerly 

 (D.) ; Brookton Springs (£>.); Ringwood Swamp; Malloryville Bog; dry knolls, 

 Malloryville ; Woodwardia Bog ; McLean Bogs ; Junius bogs ; Duck Lake. 



Newf. to w. Ont., southw. to n. N. J., Ind., and Wis., and along the mts. to Va., 

 including the northern Coastal Plain. 



78. CELASTRACEAE (Staff Tree Family) 



a. Leaves opposite; flowers axillary, cymose or solitary; erect or spreading shrubs. 



1. Evonymus 

 a. Leaves alternate ; flowers in terminal racemes ; vines. 2. Celastrus 



1. Evonymus (Tourn.) L. 



1. E. atropurpureus Jacq. Burning Bush. Waahoo. 



Damp thickets, in alluvial soil bordering limy ledges ; rare. June. 



Foot of Salmon Creek Falls, e. side, 1916 (P. B. Schwnml). In a wild location 

 as though native, but not very far from houses. 



N. Y. to Wis., southw. to Fla., Okla., and Nebr. A plant of the Mississippi 

 Basin. 



2. Celastrus L. 



1. C. scandens L. American Bittersweet. 



In thickets along streams and fences, and on cliffs, in gravelly or shaly neutral 

 or calcareous soils; common. June-July 15. 



Abundant along the lake cliffs, and frequent in the ravines of the basin. Not 

 characteristic of the chestnut and ericaceous acid soils, and for the most part 

 absent in such locations. 



Me. to Mass., southw. especially in the mts. to N. C, and to Kans. and N. Mex. ; 

 less frequent on the Coastal Plain. 



79. STAPHYLEACEAE (Bladdernut Family) 

 1. Staphylea L. 

 1. S. trifolia L. American Bladdernut. 



Damp thickets and fence rows, in alluvium or stream gravels and in rocky 

 places, in neutral or slightly calcareous soils; infrequent. May 10-June 15. 



Creek banks between Negundo Woods and Ithaca (D.\) ; s. w. corner of Cayuga 

 Lake (D.\) ; Six Mile Creek, on hillside s. of the lower switchback and n. of the 

 upper reservoir ; in a few small ravines along the Ledyard, Genoa, and Lansing 

 shores (D. !) ; Frontenac Island (£>.) ; Howland Island; hillside near Westbury 

 Bog. 



W. Que. and w. N. E. to Minn., southw. to S. C, Mo., and Kans. ; a few stations 

 along the Coastal Plain. 



