258 SUMMER FLOWERS. 



(144) Scabiosa. SCABIOUS. 



* Florets five-lobed. 



S. Columbaria : stems 1-2 feet high, glabrous or hoary ; 

 leaves pinnate, with an ovate or oblong terminal segment, and 

 several smaller ones, the stem-leaves few, with linear segments, 

 entire or pinnatifid; flower-heads pale purplish -blue, the outer 

 florets larger and more oblique; involucres short; involucel 

 with a scarious, cup- shaped border, in the centre of which ap- 

 pears the summit of the fruit crowned by the five bristles of 

 the calyx. Pastures and waste places. Fl. June to August. 



** Florets four-lobed. 



S. arvensis : stems erect, hairy near the base, 1-3 feet high ; 

 leaves variable, the radical ones lanceolate, stalked, the upper 

 ones broader at the base, sessile, all coarsely toothed or slightly 

 lobed, or deeply-cut or pinnate ; flower-heads large, pale lilac- 

 purple, on long peduncles, the outer florets much larger and 

 more oblique than the central ones ; involucre short ; fruit 

 crowned by the 8-10 radiating bristles of the calyx. Pastures 

 and cornfields. Fl. July, August. 



(145) Anthemis. CHAMOMILE. 



* Ray -florets without a style. 



A. Cotula : annual ; stems erect, branching, one foot high 

 or more, glabrous, with a disagreeable smell; leaves bipin- 

 natifid, with narrow linear, pointed, entire or divided lobes ; 

 flower-heads in a loose terminal corymb; involucre slightly 

 cottony, the inner bracts scarious at the top ; receptacle con- 

 vex, lengthening out as the flowering advances, with linear- 

 setaceous scales ; ray-florets white, without any trace of style ; 

 achenes rough with glandular dots, without any border. 

 Waste places. A common weed. Fl. June, July. 



