INTRODUCTION TO BOTANY. Ixiii 



The plants in this family, not uniform in their properties. 



25. SoldnccE. Juss. 



Ge7i. Solanum. 'Atropa. Hyoscy'amus. Verbascum. 



This family has a close affinity to the Scrophularineae. 

 Most of the family strongly narcotic. All the verbascums 

 are mild, and mucilaginous. 



26. Ja&minece. Juss. ^ 

 Gen. Ligustrum. Fraxinus. 



27. Verhenacece. Juss. 

 Ge7i. Verbena. 



28. Labiatcc. Juss. 



The Labiate plants form a very natural family, and include 

 the class didynamia of Linnaeus, besides the genera Ly'copus, 

 and Salvia : they contain essential oil and bitter extractive. 



29. Boraginece, Juss. 



Ge7i. Echium. Lithospermum. Symphytum. Lycopsis. 

 Anchusa. Borago. Myosotis. Cynoglossum. 



This family contains a large quantity of mucilage, with 

 some astringency. 



30. Convolvulacece . Juss. 

 Gen. Convolvulus. Cuscuta. 

 This family, acrid and purgative. 



31. Polemoniacece. Juss. 

 Gen. Polemonium. 



32. Gentianece. Juss. 



Gen. Menyanthes. Villarsia. Chlora. Gentiana. Ery- 

 thraea. 



The plants of this family intensely bitter. "^ 



33. Apocynece, Juss. 

 Gen. Vinca. 



This family abounds in a milky, poisonous juice. 



CLASS IX. 

 PericoroUy, or Cor. Perig. 



34. liricinece. Juss. Vaccinieae. DC. 



Ge7i. Erica, Calluna, Pyrola, Empetrum. Vaccinium. 

 Vaccinium is here included under the Ericineae. 



35. Ccnnpanulacet^. 



