ICOSANDRIA.— DI-PENTAGYNIA. 201 



HAB. Woods and hedges. June — Aug. U . Stem 

 2 ft. high, simp. ; fl. small, yellow. 



/3. hirsute : whole plant very hairy. 



A. parviflora: hairy; leaves interruptedly pinnate, 

 with the terminal one sessile ; leaflets numerous, 

 mostly linear-lanceolate, incisely serrate ; spike 

 virgate ; flowers on very short pedicels ; petals 

 one and a half the length of the calyx ; fruit round 

 ish, divaricately hispid. 



HAB. Woods. Aug. U . Fl. small, yellow. 



320. CRATAEGUS. Hawthorn. Rosacea. 



C. coccinea: thorny ; leaves on long petioles, ovate, 

 subcordate, acutely lobed and serrate, petioles 

 and the pubescent calyx glandular ; flowers pen- 

 tagynous. 



HAB. Woods. May. A large shrub; spines long; 

 fl. corymb., wh. ; fr. red, edible. 



C. cordata : thorny ; leaves cordate- ovate, pinnati- 

 fid, lobed and angled, smooth ; petioles and calyx 

 without glands ; flowers pentagynous. 

 HAB. Hedge rows and river hanks. A large shrub ; 

 corymbs, comp. ; fr. red, glob. 



C. pyrifolia : thorny or unarmed ; leaves ovate- 

 elliptic, incisely serrate, somewhat plicate and 

 hairy ; calyx villous ; segments linear-lanceolate, 

 serrate, flowers trigynous. 



HAB. Rocky woods, kc. June. Tj. Leav. large, 

 sublob. ; pedunc. and cal. toment 



C. elliptica : thorny ; leaves elliptical, unequally 

 serrale, smooth ; petioles and calyx glandular ; 

 fruit globose, 6-seeded. 



HAB. Copses and dry swamps. 

 . C. glanduloium : thorny; leaves obovate-cunei- 

 form, smooth and shining; petioles, stipules and 

 calyx glandular ; fruit oval, 6-seeded. 



HAB. Mountains. May. T 2 . Fruit jniddle-sizcd 



scarlet. 



. C. parvifuliu : thorny ; leaves ol .ovate, subses«ile. 



deeply and obtusely serrate, lubtomentose ; leaflet- 



of the calyx laciniate ; flowers subsolitary, peot*- 



•us. 



