ICOSANDRIA DI-PENTAGYNIA. 373 



HAB. Woods. May. A small tree ; leaves thin; drupe ted 

 * Peduncles subumbellate or solitary. 



P. pennsylvanica : flowers subcorymbed ; pedicels elongated ; leaves 



ovate-oblong, acuminate, erosely denticulate, smooth ; petioles with 



glands ; branches punctate ; fruit subovate. 

 HAB. Mountains. June. A small tree ; leaves memb. ; corymb 6 



S-Jlowered ; drupe red. 

 P. pubescens : leaves sessile, aggregated, few-flowered ; peduncles and 



calyx pubescent ; leaves short-oval, serrulate ; drupe spherical. 

 HAB. Sandy shores and hills sides. May. Shrub 2 3 feet high; 



fruit br. purp., glauc. 

 P. pumila : umbefs aggregated, sessile, few-flowered ; calyx acute ; 



branches virgate, terete; leaves narrow-lanceolate, serrate above, 



pale beneath. 

 HAB. Banks of rivers. May. Shrub 2 3 feet high ; leaves long ; 



fruit red, acid. 

 P. depressa : umbels sessile, aggregated, few-flowered ; calyx obtuse ; 



branches angular, depressed, prostrate ; leaves ineate-lanceolate, 



remotely serrate, smooth, glaucous beneath. 

 HAB. Sandy shores. A shrub, low, spreading ; fr. small, black, 



agreeable. 



226. LYTHRUM. Loose-strife. 



Calyx subcampanulate, IQ-toothed ; capsule 3 ^-celled. 



DECODON. 



L. verticillatum : pubescent ; leaves opposite and ternate, lanceolate, 

 petiolate ; flowers axillary, verticillate, decandrous ; petals undulate ; 

 fruit subglobose. 



HAB. Swamps. Aug. 'ZJ.; stem % feet high, Q-ang. ; flowers in 

 axill. corymbs, purp. 



DI-PENTAGYNIA. 



227. AGRIMONIA. Agrimony. 



A. eupatoria : hairy ; . cauline leaves interruptedly pinnate ; leaflets 



ovate, with the terminal one petiolate, acutely dentate, smoothish ; 



spike virgate ; petals twice as long as the calyx ; fruit turbinate, 



hispid, smooth at the base. 

 HAB. Woods and hedges. June Aug. % ; stem 2 feet high, 



simp. ; fl. small, yellow. 

 b. hirsuta : whole plant very hairy. 



228. CRAT^EGUS. Hawthorn. 



C. codcinea : thorny ; leaves on long petioles, ovate, subfcordate, acute- 



