33S SYNGENESIA— POLYGAMIA-iEQU. Pieris: 



early in the morning, and closing before noon, except in very 

 cloudy weather. Florets as long as the calyx, sometimes longer, 

 Anth. brown or purplish. Germ, crowned with hairs. Seeds 

 large, curved, furrowed, light brown, their feathery crowns 

 lightly cohering in the form of a large cobweb-like ball. 



2. ^^. porrifolius. Purple Goat's-beard. 



Calyx half as long again as the corolla. Leaves tapering, 

 straight. Flower-stalk swelling upwards. 



T. porrifolius. Lira. ,Sp. P/. 1110. fTiZZd. «. 3. 1493. F/. Br. 813. 



i:ngl. Bot. V. 9. t. 638. Hook. Scot. 226. Hopldrk Glott. 97. 



Jacq. Coll. V. 1 . 99. Ic. Rar. t. 159. Fl. Dan. t. 797. 

 T. n. 9. Hall. Hist. v.\. 5. 



T. purpureum. RanSijn.\7\. Ger. Em. 735.f. 

 T. flore purpureo. Bauh. Hist. v. 2. 1058./. 2. 1059. 

 T. alterum. Matth. Falgr. v.\.49\.f. 

 Barbula hirci altera. Corner. Epit. 313./, 

 Purple Goat's-beard. Petiv. H. Brit. t. 15./. 8. 



In moist meadows, near great rivers. 



On the banks of the Chalder, near Whalley, Lancashire. Gerarde. 

 In many parts of Cornwall, accordingto Dr. Gunthorp. Merrett. 

 About Carlisle and Rose Castle ; Mr. Nicholson. Dill. In the 

 marshes below Woolwich, and near Edmonton. Blackstone. At 

 North Benfleet, near Billericay, Essex. Rev. B. B. Francis. In 

 the meadows below St. Vincent's rocks, Bristol. Mr. D. Turner 

 and Mr. Sowerby. 



Biennial. May^ June. 



Root tapering, abounding with milky juice, on which account the 

 plant was formerly much cultivated for boiling or stewing 5 but 

 its place is now generally supplied by the Scorzonera hispanica. 

 Herb smooth, 3 or 4 feet high, glaucous. Leat^es neither undu- 

 lated at the base, nor curled at the point. Flower-stalks hollow 

 and swelling gradually upward, Fl, dull purple, with still darker 

 anthers, the nearly equal calyx extending much beyond the 

 florets. They close before noon. 



37 1. PICRIS. Ox-tongue. 



Linn. Gen. 2>99. Juss.\70. F/. Br. 814. Law. <. 648. Gcertn. 



t. 159. 

 Helminthotheca. Vaill. Mem. de VAc. des Sc. 73 1 ./. 25, 26, 5 1 . 

 Helmintia. Juss.\70. WilJd.v.3. 1607. Lam. t. 648. Gcertn. 



t. 159. 



Common Cal. double ; the outer of several flat, lax, con- 

 verging scales; mner ovate, of many equal, parallel, 

 close leaves, permanent. Cor. compound, imbricated, 



=- uniform; ^or^/s numerous, perfect, uniform, ligulate, 



