204 ACERACEAE 



2. ILICIOIDES Dumont. 

 1. Ilicioidea mucronata (L.) Britton. Wild or Mountain Houv. 

 (Man. p. 604; I. F. _/. 2364.) In swamps, N. S. to Ont., Wis., Ind. 

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

 Waynb ; Lackawanna ; Carbon ; Susquehanna ; Centre ; Craw- 

 ford ; Erie. 



Family 5. CELASTRACEAE Liudl. Stafe-tree Family. 



Leaves opposite. i. Euonymus. 



Leaves alternate. 2. Celastrus. 



1. EUONYMUS L. 



Creeping shrubs : pods warty. 



Leaf-blades oval to lanceolate. i. E. Americanus. 



Leaf-blades obovate. 2. E. obovalus. 

 Upright shrubs or trees : pods smooth. 



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



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



1. Euonymus Ameiicanus L. Strawberry Bush. (Man. p. 605 ; 

 1. F. f. 236s-) Iti low woods, southern N. Y. to Fla., Neb. and Tex., — 

 Pennsylvania : Bucks ; Delaware ; Chester ; Montgomery; Lancas- 

 ter ; York ; Berks ; Fayette. 



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

 p. 605 ; I. F. _/ 2366.) In low woods, southern Ont. to Pa., Ind. and 

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



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

 p. 605 ; I. F. f. 2367.) In woods or thickets. Ont. to Fla., Mont, and the 

 Ind. Terr. — Pennsylvania : Bucks ; Delaware ; Chester ; Lancas- 

 ter ; Franklin ; Huntingdon ; Allegheny. 



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

 2368.) 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. Hik 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. saccharinum. 

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



Clusters expanding with the leaves, drooping. 

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



3. A, nigrum. 



