C 88 ] 
CLASS XVII.— SYNGENESIA. 
ORDER I. POLYGAMIA ^QUALIS. 
(Florwers all hermaphrodite, fertile.') 
§ 1. Florets all ligulate. 
328. CICHORIUM. Gen. pi. 1251. ( Cichomcea.) 
Calix caliculate. Receptacle subpaleaceous. 
Pappas many-leaved;, paleaceous. 
intybus. c. flowers axillary, in pairs, subsessile ; leaves 
riincinate. — JVilld. 
Icon. FI. Dan. 907. Engl. Bot. 539. Wood- 
ville’s Med. Bot. 
Wild Succory. 
A straggling plant, with ordinary foliage, but rather hand- 
some blue flowers. They occur occasionally white. Introduc- 
ed, but naturalized in wastes near the city; abundant. Possesses 
medicinal virtues. (See Woodville’s Med. Bot.) Perennial. 
July, August. 
329. LEONTODON. Gen. pi. 1237. {Cichorace<^.) 
Calix double. Receptacle naked. Pappus 
stipitate, plumose. 
Taraxacum, 1. L. exterior calix reflexed ; scape one-flowered; 
leaves runcinate, glabrous; segments lanceo- 
late-dentate. — Willd. 
Icon. FI. Dan. 574. Engl. Bot. 510. Wood- 
ville’s Med. Bot. voL l.t. 3. 
Dandelion. 
Every person is familiar with this common weed. Like 
chickweed and the common plantanes, it is little injured by 
hard usage, so that it thrives and flowers among bricks on the 
