SPECIES AND VARIETIES. 375 



narrow; flowers yellow, in large umbels of twenty or more 

 rays; general involucre three-leaved, deciduous; pedicels 

 much longer than the fruit. Hog's Fennel or Sulphur-weed. 

 Salt marshes, rare. Fl. July to September. 



; : r 



(23) Physospermum. 



P. cormibiense : stem 1-3 feet high, erect, round, striated, 

 minutely scabrous, bearing a fefr small ternate leaves, with 

 linear-lanceolate, entire segments, the uppermost represented 

 by a barren lanceolate-acute sheath ; radical leaves triternate, 

 the leaflets wedge-shaped, cut, or deeply three-lobed, with 

 acute segments ; flowers white, in terminal umbels. Cornwall 

 and Devon. Fl. August, September. 



(24) Hedera. IVY. 



H. Helix : shrubby, climbing by means of rootlike fibres ; 

 leaves coriaceous, ovate or cordate, and five-lobed with an- 

 gular lobes, those of the flowering branches ovate-oblong, 

 acute, entire; umbels simple, erect, collected in panicles. 

 Hocks, old walls, and hedges. Fl. October, November. 



(25) Scabiosa. 



S. succisa : stems 1-2 feet high ; leaves mostly from ,the 

 root, stalked, ovate-oblong, entire, those of the stem with a 

 few teeth ; flowers deep blue, in roundish heads. Devil's Bit. 

 Pastures and heaths. Fl. August to October. 



(26) Anthemis. 



* Scales of the receptacle awl-skaped, acute. 



A. Cotula: annual; stem 1-2 feet high, branched, angular, 

 furrowed ; leaves bipinnatifid nearly glabrous, the lobes linear, 



