342 PENTANDRIA TRIOYNIA. 



HAB. Rocky woods. May. Shrub 812 feet high ; leaves thret 



inches long, often subcordate ; berry black. 

 V. nudum : leaves oval-oblong ; margin revolute and obscurely cren- 



ulate ; petioles naked ; cymes pedunculate. 

 HAB. Swamps. June. Shrub 8 IQ feet high; leaves b inches long, 



punct. and reticulate beneath ; berry blue. 

 V. Lantanoides : leaves orbicular-cordate, abruptly acuminate ; nerves 



and petioles pulverulent-tomentose, unequally serrate ; cymes closely 



sessile. 

 HAB. Rocky woods. May June. Shrub 48 feet high ; leaves 



large, with the nerve rusty ; cymes often radiate. 

 V. dentatum ; nearly smooth ; leaves on long petioles, orbicular-ovate, 



dentate-serrate, plicate ; axils of the veins pubescent beneath ; cymes 



pedunculate ; fruit subglobose. 

 HAB. Woods and hedges. June. Shrub 8 feet high, with straight 



branches; berry small blue. 



V. acerifnlium : leaves subcordate, three-lobed, acutely serrate, pu- 

 bescent beneath ; lobes acuminate, petioles without glands, hairy ; 



cymes on long peduncles. 

 HAB Rocky woods. May June. Shrub 4 6 feet high ; leaves 



broad ; berry oval, compressed, blackish. 



V. Oxycoccus : leaves 3-lobed, acute at the base, 3-nerved ; lobes di- 

 varicate, acuminate, remotely and obtusely dentate ; petioles gland 



ular ; cymes radiate. 

 HAB. Mountain woods. May June. A small shrub; branches 



spreading ; berry large, red, acid. 



149. SAMBUCUS. Elder. 



S. canadensis : nerves and petioles very smooth ; leaflets oblong-oval, 

 about three pairs, acuminate, smooth; midrib subpubescent; cymes 

 lax ; stem frutescent. 



HAB. Low grounds. May July. Shrub G 10 feet high; leaves 

 often bipinnate ; flower white, berry deep purple. 



S. pvbens : petioles and leaves beneath pubescent; leaflets oval lan- 

 ceolate ; cymes paniculate ; stem fruticose. 



HAB. Mountains. June. Shrub 6 8 feet high ; leaves simply pin- 

 nate, 3 pairs ; berry small^ red. 



150. RHUS. Sumach. 



* Leaves pinnate. 



R. glabrum : leaflets lanceolate, smooth, acuminate, acutely serrate, 



whitish beneath ; flowers perfect ; fruit downy. 

 HAB. Hedges and thickets. July. Shrub 612 feet high, with 



strag. branches ; leaflets 12 15 pairs ; berry crimson. 

 R. typhinum : branches and petioles very villous ; leaflets in many 



pairs, lanceolate-oblong, acuminate, acutely serrate, pubescent be- 

 neath. 

 HAB. Rocky-hills. June. Shrub 8 15 feet high ; leaflets 10 15 



pairs panicles dense, oblong ; berry purple villose. 

 R. copallinum : petiole winged ; leaflets in many pairs, oval-lanceolate, 



very entire, shining on the upper surface ; panicle sessile ; flowers 



dioecious. 



