72 FLOKA OF WASHINGTON AND VICINITY. 



Ilex decidua, Walt. 



High Island. Great Falls. Third Tveek in May; fruit ripe in September. 



tilex verticillata, Gray. AVinterbekry. 

 Middle of .June. 



tIlex laevigata, Gray. 



Limb of the corolla in the stamiuate flowers reflexed. Two weeks earlier flower- 

 ing than the last. First week in June. 



CELASTRACE^. 



Staff-Tree Family. 

 Euonymus atropurpureus, Jacq. Waahoo. Burning Bush. 



Second week in June. 



t Euonymus Americanus, L. Strawberry Bush. 

 First week in June ; fruit, last of Seiitember. 



Euonymus Americanus, L., var. obovatus, Torr. & Gray. 

 A mere form of the last. Third week in Maj'. 



tCelastrus scandens, L. Wax-work. Climbing Bittersweet. 

 Third week in May ; fruit opens in November. 



RHAMNACEiE. 



Buckthorn Family. 



t Ceanothus Americanus, L. Eed-root. New Jersey Tea. 

 Third week in June. 



Ceanothus ovatus, Desf. ICeanothus ovalis, Bigelow.] 

 Kocks at Little Falls. Middle of May. 



VITACE^. 



Vine Family. 

 tVitis Labrusca, L. Northern Fox-Grape. 

 First week in June ; fruit in September. 



Vitis aestivalis, Michx. Summer Grape. 



A form with vui'y deeply lobed leaves is frequently met with. End of May; fruit, 

 middle of Sejttember. 



t Vitis cordifolia, Lam. Winter Grape. Frost Grape. 

 Last week in May ; fruit in November. 



t Vitis riparia, Michx. 



Second or third week in May, and about ten days earlier than the last ; fruit ripe 

 in November. 



Vitis vulpina, L. Southern Fox-Grape. 



First found very sparingly on rocks immediately above Sandy Landing, Md., May 

 22, 1881, then in flower; and again later (June 4) with young fruit, on the Flats a 

 short distance below the Chain Bridge. 



t Ampelopsis quinquefolia, Michx. Virginian Creeper. American Woodbine. 

 End of May. 



