UNIVERSITY EXTENSION. 1891. -2. LECTURE V. 

 Saturday. November 14-th 1891. 

 Subject - Compound Leaves 



I. They consist of one, several, or many leaflets. 



?• ^ e kinds of Composition dependant on the venation of simple Leaves. 

 3. Tne degrees of Composition - as. 

 fa) Uni - pirate 



(b) Bi - pinnate etc., 



(c) Uni palmate or digitate 

 (*) Bi - palmate etc. 



4. Pari - pinnate, Im - pari - pinnate, Cirrose - pinnate. 

 -0. Leaflets described like simple Leaves, 



6. Pairs of leaflets known as Jug a - hence 



fa] Uni - jugate pinnate or Binate 



fo) El - pinnate, the pinnae uni - jugate etc. 



7. Thm Rachis, Partial petioles and Stinels, 



8. The Decompound and Dissected Leaves. " 



9. The Expression " Ternate " 

 10. Palmi - pinnate conditions - 



II. Texture, as Keaf anous, Coriaceous, Filmy, Succulent 



12. Leaves of Peculiar Conformation - as vertical and Eouitant Leaves, 

 Perfoliate and Peltate Leaves. 



13. Leaves with no distinction of Blade and Petiole 



14. Fronds and Thalli - 



SURFACE TERMS. 



Glabrous - smooth 

 Glabrate - nearly smooth 

 Scabrous - rough to the touch. 

 Pubescent - soft - hairy or downy 

 Pulverulent -dusty or powdery. 

 Glaucous - with waxy bloom. 

 Setose - bristly 



Pilose - hairy - as distinguished from woolly or downy. 



Hirsute - oeard - like 



Floccose - wooll - ' 



Arachnoid - *-ebby 



Velutinous - velvety 



Villous - with long, hairs 



Sericeous - silky 



Tomentose - hoary 



Hispid - with scattred stiff hairs 

 1-3. v ernation or p raef oliation 

 Tnflex0A Reclinate. 

 Con^uplicate, Plicate, Circinate. 

 Convolute, Involute, Re volute. 



