306 SYNGENESIA POLYGAMIA .SHJUALIS. [CL. XIX. 



POLYGAMIA 1QUAL1S. 



1. TRAPO'GON. GOAT'S-BKARD. 



Common calyx simple, of several lance-shaped equal scales, ar- 

 ranged alternately in two rows, all connected at the base, perma- 

 nent. Compound corolla imbricated, uniform. Florets numerous, 

 all perfect, strap-shaped, abrupt, five-toothed. Filaments five, 

 hair-like, very short; anthers united into a tube. Germen in- 

 versely egg-shaped. Style thread-shaped, as long as the anthers ; 

 stigmas two, revolute. Seeds inclosed by the permanent calyx, 

 one to each floret, oblong, angular, striated, tapering at both ends, 

 crowned by the seed-down, which is feathery and supported on a 

 long stalk ; receptacle naked, flat, rough. Name from tragos, a 

 goat, and pogon, beard. 366. 



1. T. prate~nsu. Yellow Goafs-beard. Calyx about as long as the 

 corolla ; leaves tapering, keeled, dilated at the base, smooth ; flower-stalk 



cylindrical. The whole plant smooth, abounding with milky juice: 



stems erect, round, leafy, from one to two feet high : flowers yellow. 

 Biennial : flowers in June : grows in pastures. Eng. Bot. vol. vii. 

 pi. 434. Eng. Ft. vol. iii. p. 337. A variety of this species, with the 

 calyx much longer than the corolla, and the flower-stalk slightly en- 

 larged upwards, is the T. Mdjor, Greater Goat's-beard, of some. 1105. 



2. T. porrifolius. Purple Goat's-beard. Calyx much longer than the 



corolla ; leaves tapering ; flower-stalk enlarged upwards. The whole 



plant smooth : stem three or four feet high, erect : flowers purple. 

 Biennial : flowers in May and June: grows in moist meadows and pas- 

 tures, but is not indigenous : rare. Eng. Bot. vol. ix. pi. 638. Eng. Ft. 

 vol. iii. p. 338. 1106. 



2. PI'CRIS. OX-TONGUE. 



Common calyx double ; the outer of several flat scales ; the 

 inner egg-shaped, of many equal parallel leaves. Corolla com- 

 pound, imbricated, uniform : florets numerous, perfect, strap- 

 shaped, abrupt, five-toothed. Filaments five, hair-like, very 

 short ; anthers united into a tube. Germen nearly egg-shaped. 

 Style thread-shaped, as long as the stamens ; stigmas two, re- 

 flected. Seeds one to each floret, swelled, obtuse, transversely 

 wrinkled : seed-down feathery, sessile or stalked. Receptacle 

 naked, dotted. Name from picros, bitter. 367. 



1. P. eckioides. Bristly Ox-longue. Outer calyx of five broad, prickly 



scales ; seed-down stalked ; leaves waved. Stem two or three feet 



high, round, furrowed : lower leaves lance-shaped, upper heart-shaped, 

 embracing the stem: flowers bright-yellow. Annual: flowers in June 

 and July: grows in hedges and borders of fields, in England, and about 

 Dublin : frequent. Eng. Bot. vol. xiv. pi. 972. Eng. Fl. vol. iii. p. 339. 



1107. 



2. P. hieracioides. Hawhceed Ox-tongue. Outer calyx of numerous 

 scales, much shorter than the inner ; leaves lance-shaped, waved, the 



lower ones toothed ; seed-down sessile ; stem rough. Stem three feet 



high, furrowed, rough : leaves lance-shaped, acute, hairy : flowers bright- 



