THE HIGHER DICOTYLEDONS. 379 



7. Write notes on points of interest presented by Red Pimpernel, 

 Sea Milkwort, Brookweed, Cyclamen. 



8. Describe the inflorescence and flowers of a Scorpion -grass or 

 Forget-me-not, and the mode of pollination. 



9. Describe the flowers of Lungwort, Comfrey, and Borage, with 

 special reference to their pollination. 



10. Write notes on any points of interest presented by the flowers 

 and fruits of Viper's Bugloss, Alkanet, Hound's-tongue, and Gromwell. 



11. Describe the typical inflorescence of Labiates, as seen in Dead- 

 nettles. 



12. In what places would you expect to find White Dead-nettle, 

 Red Dead-nettle, Yellow Dead-nettle, Thyme, Bugle ? 



13. Point out as many differences as you can between White and 

 Red Dead-nettles. 



14. Draw a floral diagram of the Dead-nettle flower. Does the 

 hood consist of one or of more petals ? Give reasons for your answer. 



15. Describe the pollination of Dead-nettle or of any other Labiate 

 flower you have observed. 



16. Describe the structure and mode of pollination of the flower of 

 Sage (Salwa). 



17. Describe the flowers of Mint, Self-heal (Prunella), and Wood- 

 Sage (Teucrium), pointing out in each case how they differ from a 

 Dead-nettle flower. 



18. Mention Labiates whose flowers are pollinated by (a) flies, 

 (b) short-tongued bees, (c) long-tongued bees. 



19. Describe the structure of the Foxglove flower, with sketches, 

 and point out its adaptation for pollination. 



20. Mention three British species of the genus Veronica (Speedwell) 

 and give the characters by which you would know them one from 

 another, including the months when each is in fullest flower. Have 

 you noticed any difference in the places where they usually grow ? 



21. Describe the flower of Mullein ( Verbascum), pointing out how it 

 resembles, and differs from, that of Foxglove. 



22. For what reasons are Foxglove, Snapdragon, Toadflax, Figwort, 

 Mullein, and Speedwell all placed in the same family ? How do their 

 flowers differ in structure ? 



