338 EXPLANATION" OF THE PLATES. 



Fig. 8. — A cuneiform or wedge-shaped leaf. (Myrica Gale). 

 Fig. 9. — A sagittate or arrow-shaped leaf, with acuminated auricles 



and point. (Sagittaria sagittifolia) . 

 Fig. 10. — A palmated or hand-shaped leaf, with serrated margins. 



(Rubus odoratus). 



Fig. 11. — A pedate cleft leaf, or one with deflected or descending 

 segments. (Viola pedata). 



Fig. 12. — Connate leaves, or ingrafted together at the base. (Ca- 

 prifolium). 



Fig. 13. — Imbricated leaves, or mutually incumbent, like tiles on 

 the roof a house. (Erica vulgaris). 



Fig. 14. — Verticillated, linear, or stellated leaves; more than 2 

 from the same point of the stem. (Galium). 



Fig. 15. — Amplexicaule or clasping leaf, being also entire, lanceo- 

 late-arrow-shaped. (JVoad). 



Fig. 16. — A decurrent lanceolate leaf, or with the edges running 

 down upon the stem. (Comfrey). 



Fig. 17. — Acerose leaves, needle-formed, clustered and semper- 

 virent. (Pinus Strobus.) 



Fig. 18. — A 4-winged leaf, or 2 leaves ingrafted together by their 

 surfaces, a. A section of the same with its laminated mar- 

 gins. (Gladiolus pterophyllus). 



Fig. 19. — The quadrangular acerose leaf of the Fir. (Abies). 



Fig. 20. — The clustered filiform linear leaves of the Larch, form- 

 ing, in fact, an abortive branch, the terminal one only, in com- 

 mon, perfected. No. 17, and all the clustered leaves of the 

 Pines, may be also considered similar. 



PLATE VIII. 



LEAVES, AND THEIR APPENDAGES. 



Fig. 1. — A 3-lobed entire leaf. (Hepatica). 



Fig. 2. — A ternate leaf, maculated or blotched, a. The membra- 

 nous ingrafted stipules. (Trifolium pratense). 



Fig. 3. — A binate or 2-parted leaf, with a deeply indented border. 

 (Jeffersonia diphylla). 



Fig. 4. — A digitate leaf, or with 5 or more divisions or leaflets, 

 like the fingers of the hand. The form of the leaflets obo- 

 vate or inversely egg-shaped, acuminated and serrated. (JEs- 

 culus glabra). 



Fig. 5. — Pinnatifid, or cleft in opposite parallel segments, like the 

 web of a feather. In this example the divisions are so closely 



