270 SUMMER FLOWERS. 



corymb, partially dioecious; florets purple. Open woods, 

 thickets, and bushy pastures. Fl. August. 



(164) Lapsana. NIPPLEWORT. 



L. communis : annual ; stem 1-3 feet high, with stiff hairs 

 at the base, branched and glabrous upwards; leaves hairy, 

 lyrate, the terminal lobe ovate, coarsely -toothed, upper ones 

 narrow, entire ; flower-heads on slender peduncles, in a loose 

 panicle or corymb, yellow; involucre of about eight nearly 

 equal scales. A common weed. Fl. July, August. 



(165) Thrincia. 



T. hirta : leaves oblong or linear, coarsely-toothed, sinuate 

 or shortly pinnatifid, hispid with forked hairs ; peduncles six 

 inches high, with a single small head of bright yellow flowers ; 

 involucres glabrous, of 10-12 nearly equal bracts, with several 

 small imbricated ones at the base ; achenes of the outer row 

 curved, slightly tapering at the top, with a very short, scaly 

 pappus. Dry open pastures and waste places. Fl. July to 

 September. 



(166) Leontodon. HAWKBIT. 



L. hispidum : leaves long, narrow, coarsely-toothed or pin- 

 natifid ; the whole plant more or less hispid with erect, stiff, 

 short hairs ; peduncles |-1 foot or more long, slightly swollen 

 at the top, with a single rather large yellow flower- head ; in- 

 volucre-bracts narrow, hispid, the inner row much longer than 

 the outer ones ; achenes long, striate, and transversely rugose ; 

 pappus of about a dozen brown, feathery hairs, as long as the 

 achene, surrounded by 5-6 others not a quarter that length. 

 Meadows and pastures. Fl. July. 



