?^' 



254 SYNGENESIA ^QUALIS 



-W, 



SONCHUS. Gen. Pl. 1233. 



Invohicrum imbrica- I Involucrum imbri- 

 tum,ventricosuni. Pap- cate, ventricose. Pap' 

 pus sessilis,pilosus. Re- pus hairy, sessile. Re- 

 ceptaculum nudum. 1 ceptacle naked. 



1. Oleraceus. Lin. 



S. peduuculis subto- I Peduncles somewhat 

 mentosis umbellatis; in- tomentose, flowers in 

 volucris glabris; foliis umbels; involucrum 

 oblongo - lanceolatis, I glabrous; leaves ob- 

 amplexicaulibus, den- I long-lanceolate, am- 

 ticulatis, subsinuatis. plexicaule, slightly 



I toothed and sinuate. 



Sp. pi. 3. p. 1514. Pursh, 2. p. 501. Nutt. 2. p. 125. 



Stem two to five feet high, terete, glabrous, fistulous, 

 Branching, very tender and succulent. Leaves alternate, amplexicaule, 

 deeply sinuate and pinnatifid, segments acute and acutely toothed, the 

 whole plant slightly glaucous. Flowers in axillary umbels. Peduncles one 

 to two inches long, with tufts of a cotton-like tomentum, irregularly attach- 

 ed to their surface. Scales of the involucrum subulate, appressed. CoroU<i 

 yellow. Seed oblong, striiite, glabrous. Pappus sessile. 



Probably an exotic, now universally diffused in cultivated 



Flowers March — ^July. 



\ 



annual. 



lands 



2. Macrophyllus. Willd. 



S. pedunculis hirsu- 1 Peduncles hirsute, 

 lis, nudisj floribus pa- naked; flowers in pani- 

 niculatis; foliis lyratis, cles; leaves lyrate, cor- 

 basi cordatis, siibtus date at base, hirsute 

 hirtis. underneath. 



Sp. pi. 3. p. 1519. Pursh, 2. p. 501. Nutt. 2. p. 125. 



Boot tuberous, perennial. Stem erect, four to seven feet high. heave» 

 large, lyrate, very hairy and hispid on the under surface. Corolla blue. 

 Willd. 



This species I have not seen. 



