ILICACEAE 203 



e. Rhus radioana L. Poison Ivy or Oak. (Man. p. 6oi ; I. F. /. 

 2353-) Thickets and along fences, N. S. to Fla., Minn., Neb. and Ark. 

 —Pennsylvania : Northampton ; Bucks ; Dsi,awarb ; Chester ; Lan- 

 caster ; Dauphin ; Lebanon ; Berks ; Monroe ; Huntingdon ; 

 ahegheny. 



2. COTINUS Adans. 



1. CotinusCot±auB (L.). American or Wii^d Smoke-Tree. (Man. 

 p. 6o2 ;I. F./. 23S4-) In open woods. Mo. and Ind. Terr, to Tenn. and 

 Ala. Adv. eastward. — Pennsylvania: Northampton, Easton, escaped. 



Famii,y 4. ILICACEAE Lowe. Holi,y Famii<y. 



Corolla of partially united petals : petals oval to obovate. i. Ilex. 



Corolla of distinct petals : petals linear. 2. Ilicioides. 



1. ILEX L. 

 Leaves persistent, evergreen ; blades thick. 



Nutlets ribbed : leaf -blades spiny-toothed. i. I. opaca. 



Nutlets not ribbed : leaf -blades not spiny-toothed. ■^. J. glabra. 

 Leaves deciduous ; blades thin. 



Nutlets ribbed. 3. /. moniicola. 

 Nutlets not ribbed. 



Staminate and pistillate flowers short-pedicelled. 4. /. verticillata. 



Staminate flowers long- and slender-pedicelled. 5. /. laevigata. 



1. Ilex opaca Ait. American Hoi,i,y. (Man. p. 603 ; I. F. /. ^ssb.) 

 In moist woods, southern Me. to Fla., Pa., Mo. and Tex. — Pennsylvania : 

 Bucks ; Dei,aware ; Chester ; Lancaster ; York ; Dauphin. 



2. Ilex glabra (L.) A. Gray. Inkberry. EVERGREEN WinTER- 

 BERRY. (Man. p. 603 ; I. F. /. Z3S9-) In sandy soil, eastern Mass. to 

 Fla., west to La., mainly near the coast. — Pennsylvania : Bucks, Bristol. 



3. Ilexmonticola A. Gray. LargE-i<EavED HonY. (Man. p. 604; 

 I. F. /. 2361.) Mountain woods, N. Y. and Pa. to N. C. and Ala. — Penn- 

 sylvania : Lackawanna ; Wayne ; Monroe ; Centre ; Dauphin, Cold 

 Sf)rings ; Bedeord ; SOMERSET. 



3a. I. monticola mollis (A. Gray) Britton. (Man. p. 604.) In 

 mountain woods. Pa. to Ga.— Susquehanna ; Pike ; Monroe ; Lacka- 

 wanna ; Bi,AiR. 



4. Ilex verticillata (L.) A. Gray. Virginia Winter-berry. Bi,ack 

 Al,DER. (Man. p. 604; 1. V. f. 2362.) In swamps, N. S. to Fla., Ont. , 

 Wis. and Mo. — Pennsylvania : Lackawanna ; Monroe ; Luzerne ; 

 Northampton ; Bucks ; Montgomery ; Dei,aware ; Chester ; Lan- 

 caster ; Lebanon ; Franklin ; Bedford ; Venango. 



4a. I. verticillata cyclophylla Robinson. Monroe ; Luzerne ; Erie ; 

 Bucks. 



4b. I. verticillata padifolia S. Wats. (Man. p. 604.) Northern N. 

 Y. to Pa. — Lancaster, McCall's Island ; York ; Venango. 



5. Ilex laevigata (Pursh) A. Gray. Smooth Winter-berry. (Man. 

 p. 604 ; I. P. f. 2363.) In swamps, Me. to Pa. and Va. — Pennsylvania : 

 Bucks ; Lancaster ; Monroe ; Schuylkili, ; Allegheny. 



