204 ACERACEAE 



2. ILICIOIDES Dumont. 

 1. Ilicioides mucronata (L. ) Britton. Wild or Mountain Hollv. 

 (Man. p. 604; I. F. y". 2^64.) In swamps, N. S. to Ont., Wis., Ind. 

 and Va. — Pennsylvania: Bucks; Northampton; Monroe; Pike; 

 Wayne ; Lackawanna ; Carbon ; Susquehanna ; Centre ; Craw- 

 ford ; Erie. 



Family 5. CELASTEACEAE Lindl. Staff-tree Family. 

 Leaves opposite. i. EuONYMUS. 



Leaves alternate. 2. Celastrus. 



1. EUONYMUS L. 



Creeping shrubs : pods warty. 



Leaf -blades oval to lanceolate. i. E. America)ius. 



Leaf-blades obovate. 2. E. obovains. 

 Upright shrubs or trees : pods smooth. 



Corolla purple : cymes 6-15-flowered. 3. E. alropurpureus. 



Corolla greenish yellow : cymes 3-7-flowered. 4. E. Eiifopaeus. 



1. Euonymus Atnericanus L. Strawberry Bush. (INIau. p. 605 ; 

 1. F. /. 2jdj.) In low woods, southern N. Y. to Fla., Neb. and Tex., — 

 Pennsylvania : Bucks ; Delaware ; Chester ; Montgomery ; L-a.ncas- 

 TER ; York ; Berks ; Fayette. 



2. Euonymus obovatus Nutt. Running Strawberry Bush. (Man. 

 p. 605 ; I. F. y". 2j66.) In low woods, southern Ont. to Pa., Ind. and 

 Ky. — Pennsylvania: Bucks; Clarion; Mercer; Erie. 



3. Euonymus atropurpureus Jacq. Burning Bush. Wahoo. (Man. 

 p. 605 ; I. F. /. 2J67.) In woods or thickets. Ont. to Fla., Mout. and the 

 Ind. Terr. — Pennsylvania : Bucks ; Delaw.are ; Chester ; Lancas- 

 ter ; Franklin ; Huntingdon ; Allegheny. 



4. Euonymus Europaeus L. SpindlE-TREE. (Man. p. 605 ; I. F. f. 

 2^6S.) Escaped from cult., N. H., N. Y., Pa. and N. J. — Pennsylvania : 

 Northampton. 



2. CELASTRUS L. 



1. Celastrus scandens L. Shrubby or Climbing Bittersweet. 

 (Man. p. 606; I. F. /. 2370.) In rich soil, Quebec to N. C, Man., the 

 Ind. Terr, and N. Mex. — Pennsylvania: Monroe; Northampton; 

 Bucks ; Delaware ; Chester ; Lancaster ; York ; Dauphin ; 

 Lycoming; Franklin; Huntingdon; Fayette; Allegheny. 



Family 6. ACERACEAE St. Hil. Maple Family. 



1. ACER L. 



A. Leaf-blades simple, 

 a. Flowers in lateral clusters. 



Clusters expanding before the leaves, sessile or nearly so, not drooping. 

 Petals wanting or obsolete : ovary pubescent. i. A. saccliarinum. 

 Petals present : ovary glabrous. 2. A. rubrnvi. 



Clusters expanding wuth the leaves, drooping. 



Leaf-blades scarcely paler beneath than above : lobes entire or undulate- 



3, A. nigrum. 



