The Flora of the Cayuga Lake Basin 389 



ropean form, with all the flowers enlarged, is the so-called " Snow-ball Bush." 

 Occasionally plants of this species escape from cultivation, but whether they are 

 the European or the American form, or both, is not known. 

 Native of Eu.] 



2. V. Opulus L., var. americanum Ait. (See Rhodora 20 : 14. 1918. V. Opulus of 



Cayuga Fl.) Highbush Cranberry. Cranberry-tree. 



Wet gravelly calcareous places, mostly about swamps, rarely in drier situations ; 

 scarce. June. 



Cayuta Lake swamp (D.) ; Michigan Hollow Swamp (D. !) ; Six Mile Creek (D. 

 in C. U. Herb.) ; Indian Spring marsh, formerly (D.) ; Ellis Hollow; bog between 

 Slaterville and Dryden Lake ; Fir Tree Swamp, Freeville (D.) ; near Malloryville 

 Bog; Mud Pond, McLean Bogs; Beaver Brook (D. !) ; Salmon Creek ravine, s. of 

 Genoa (A. H. Wright) ; near East Butler; e. of Clyde. Occasionally escaping 

 from cultivation: near Valentine Brook (D.) ; Lockwood Flats (£>.). 



Newf. and e. Que. to B. C, southw. to N. J., Pa., Mich., Wis., and Iowa. 

 Found also in e. Asia. 



One specimen of four collected at various times at Beaver Brook has the leaves 

 as velvety beneath as the European type but is otherwise like the American type. 

 A dwarf, highly stoloniferous, form, with blunt-lobed leaves, was found in Big 

 Gully by W. C. Muenscher in 1923. 



3. V. acerifolium L. Maple-leaved Viburnum. Arrow-wood. 



Dry rocky or gravelly sterile woods, in acid soils ; common. June. 



Most abundant on the ravine crests of the basin, and on the crests of the cliffs 

 along the shore of Cayuga Lake. 



N. B. to Minn., southw. to Ga., Ala., and Mich. ; frequent on the Coastal Plain. 



4. V. afnne Bush, var. hypomalacum Blake. (See Rhodora 20: 11. 1918. V. pubes- 



cens of Gray's Man., ed. 7, and of Cayuga Fl.) 



Dry rocky crests of ravines, and cliff crests, mostly in nonculcareous situations ; 

 frequent. June 1-20. 



Top of Thatcher Pinnacles ; Enfield Glen ; between Lick Brook and Buttermilk 

 Glen; Coy Glen; around South Hill Marsh; Fall Creek Gorge (£>.!); common 

 along the e. shore of the lake (D.\) ; frequent in the stony chestnut soils of the 

 higher hills. 



W. Que. and Vt. to Man., southw. to Ga., 111., Iowa, and Wyo. ; rare e. of the 

 Allegheny Mts. 



In Gray's Man., ed. 7, the habitat is given as " calcareous ridges and banks," but 

 the above-named habitats are not calcareous. 



5. V. dentatum L. Arrow-wood. 



Swamps and along streams, in slightly acid or neutral soils ; frequent. June. 



S. of Caroline Depot ; South Hill Marsh ; Renwick woods ; Ellis Hollow ; 

 Malloryville Bog ; Mud Pond, McLean Bogs ; Spring Lake ; and elsewhere. 



N. B. to Ont., southw. to Fla., w. N. Y., and possibly also to Mich, and Minn. ; 

 frequent on the Coastal Plain. 



6. V. cassinoides L. Withe-rod. Black Haw. 



Boggy acid soils ; frequent. June. 



Larch Meadow (£>.) ; South Hill Marsh (D.\) ; Lake Como (Locke Pond, D.) ; 

 Woodwardia Bog (£>.!) ; Malloryville Bog (D.) ; McLean Bogs (D. !) ; Junius 

 peat bogs ; Featherbed Bog. 



Newf. to Man. and Minn., southw. to N. J., Fla., and Ala.; common on the 

 Coastal Plain. 



Some of the above-named stations are in marly regions, but the plants may not 

 be actually in calcareous soil. 



