SYNGENES. POLYG. @QuaL. Sonchus. 417 
13. 5S. pedunculis hifpidis, floribus racemofis, foliis run- canadens 
cinatis. Sp. pl. 1115. fat 
Canadian Sow-thiftle, 7 : 
~ Nat. of North America. : 
Introd, 1772, by John Hope, M.D. 
fi, July and Augutt, | Bee! Ee 
LAC TUC A. Gen. pi. g09. 
Recept. nudum. Cal. imbricatus, cylindricus, margine 
membranaceo, Pappus fimplex, ftipitatus, Sem, 
levia. 
1. L, foliis rotundatis : caulinis cordatis, caule corymbo- /ativa. 
fo. Sy/t. veget. 713. 
Garden Lettuce, 
Nat. 
Cult. 1562. Turn, herb. part 2. fol. 26. 
i. June ; and July, He ©; 
2. L. foliis verticalibus carina aculeatis. Sp. pl.x119,  Scariola, 
* — . Prickly Lettuce. 
Nat. of England. 
Fi. July. : H. ©. 
3- L foliis horizontalibus carina aculeatis dentatis, Sp. virofa. 
pl. 1119. 
Strong-fcented Lettuce. 
Nat. of Britain. 
Fl. July and Auguft. H. 3. 
4. L. foliis hataig lineartbas feffilibus carina cite fat jena : : 
Sp. pl. 1119. Facgu. aufir. 3. p. 28. t. 250. 
Leaft Loree 
I 3 2 Nats ee 
