DESCRIPTION OF CUTS. 



Fig. 



1. Fibrong root oi Battercnp o 



2. Magnified tip of rootlet 8 



3. Stem of Buttercup ' < 



4. Ridical leaf of same o 



5 B.ick view pi one of th.i flowers of gatiio I. ....... . 6 



G. Section of flower of same -j 



7. Stamen of same y 



8. Stameu discharging pollen [ / ] 7 



9. Plead of carixsls of Buttercup ^ . ....'...... . 7 



10. A carpel magnified, and showing ovule ............ 7 



1 1. Stigma of Buttercup, greatly magnified 8 



12. Plan of stamen g 



1.3. Plan of carpel 9 



14. Kipened carpel of Buttercup ................... 10 



15. Vertical eection of same 10 



16. S-'ction of a seed, showing position of embryo ... . 10 



17. Pollen grain developing its tube 1-2 



18. Section of ovule, showing inicropyle 12 



10. Hepatica 14 



20. Single flower of same, witli bracts underneatli . . ." .' ..." 15 



21. Head of carpels of same jg 



22. Single cirpel ,f. 



23. Marsii-Marigold ".'.'.'.'.'.'.'.'.'.'''.'.'.'.'.'.'.'.'.'."" 17 



24. Head of carpels of same . . . !« 



25. Single carpel of same, split open 18 



26. Sh 'pherd'd Purse .,, 



27. Flower of same ^ ' ."J.^ 



28. Tetradynamou6 stamens of same 9-> 



29. Pistil of same 93 



30. The samo with one lobe removed to sliow seeds ^3 



ol. Itound-leaved Mallow 24 



32. Section of flower of i&me 94 



33. Pistil of same 94 



34. King of carpels and persistent calvx of same. . 24 



35. Flower of Criiden Pea .' " " 27 



36. Front view of same 97 



^7. Diadelphous stamens of same 2 



27 



38. Pistil 6f same ^ ...'.'.'.'.'.['.'.'.'.'..'. 97 



39 Section of pistil 2" 



40. Flower of Great Willow-lierb .......".' 9/, 



41. Pistil of same bursting bpen }]( 



29 

 ) 



42. Section of same oq 



43. Sprig of Sweet-Brier •••......"............ 32 



M. Section of flower of same 39 



to. Section showing c.irpels and hollow Vc'ccptacle' of same.' 33 



♦6. Flower of Crab- Apple ^3 



