dicotylp:dons. 137 



cled; glands 4-5, oblong, green; appendages Avliite and petal-like, 



showy; capsule erect, seed sniootli or faintly pitted. April-Novem- 

 ber. Common in dry, open woods. 



09. ANACARDIACEiE. SIM AC FAMILY. 



Trees or shrubs with resinous, acrid or milky sap; leaves 

 simple, trifoliate or pinnately compound, alternate, exstipu- 

 late ; flowers perfect or imperfect, small ; calyx 3-5-parted, 

 persistent ; petals 3-5 or wanting ; stamens as many as the 

 sepals or sometimes twice as many, inserted in the base of 

 the calyx, distinct ; ovary free, 1 -celled, styles 1-3 ; fruit a 

 1-seeded drupe. 



I. RHUS. 



Trees or shrubs ; leaves trifoliate or odd-i)innate ; flowers 

 in spikes or panicles ; calyx mostly 5-parted ; petals and 

 stamens 5; pistil 1, sessile, styles 3, terminal; drupe small, 

 smooth or pubescent. 



1. R. COPALLIXA L. Sumac. A shrub or small tree, souH'times 

 25-:}() ft. high; branches tonientose; leaves odd-pinnati-, rachis 

 pubescent and wing-margined; leaflets J)-*21, ovate-lanceolate, acute 

 at the apex, inequihiteral, entire or slightly toothed, sniootli and 

 green above, pale and i)ubescent beneath; panicle often large and 

 s])reading; flowers polygamous; drupe red, hairy, acid. June- 

 August. Open woods. 



'2. H. niKTA (L.) Sudw. Stagiiohn Sumac. A small tree, 20- 

 10 ft. high; branches and petioles villous; leaves odd-pinnate, leaflets 

 17-27, lanceolate-oblong, acuminate at the apex, very obtuse at the 

 l>ase, sharjtly serrate, smooth above, pale and pubescent beneath; 

 llowei's jiolyganious, in dense terminal panich's; drupes re(l, with 

 crimson hairs. »Iune-.July. Dry hillsides. 



'). K. AKOMATicA Ait. Fka<;ka.\t Sumac. .\ branching shrub, 

 2-.') ft. high; leaves trifoliat«', puiiescent wImmi young, smooth when 

 old; leaflets ovat«' or the terminal one obovate, larger and somewhat 

 :j-lobed orcrenate; flowers di(ecious, in single or clustered terminal 

 si)ikes 1 in. or more in length, ai>pearing before the leaves; <lrui>e 

 red, hairy. .March-Ajiril. Dry, ojten woods. 



•1. Iv. KADKANS L. PolSON VlNK. Stem a w Iv viue climb- 



'\\\'^ liii;li by ;ieii;il rootlets, or sometimes short an<l «'rei-t : leaves 



