PRACTICAL EXERCISES. 



1. — Exaiuiuo iind ivcord, \\\\\\ ilrawiiii^s, the modes of vernation in six different i)lants. 



-. — Compare the leaves of lied Majile, Silver Maple, and Sugar Maple, making drawings. 



o. — Compare the leaf-clusters of the "White Pine, Red Pine, and Tamarack. 



4. — Determine the phyllotaxis in six different plants. 



T). — Make a cross-section of a cluster of the leaves of the Blue Flag, near the base. Make a drawing 

 of the section. 



l>. — Examine buds of the following, with special reference to protective coverings: Lilac, Spruce. 

 Horse-chestnut, Beech, Poplar. JIake notes of what you observe. Where bud-scales are 

 present examine their inside surfaces. 



7. — Compare the climbing apparatus of the Pea with that of the Bean. 



S. — Compare as to mode of growth and ramification the stems of the Apple-tree and the Pine. 



9. — Make vertical sections of the eye of a Potato, an Indian Turnip, and an nniuu, and uiaWi' dr;iu- 

 ings of the sections. 



10. — Make vertical and cross-sections of three different buds. Draw the sections. 



11. — Examine the prickles of a Bramble and of a Galium. Are they hooked downwards or upwards? 

 Of what .service are they to the plants? Give reasons for your opinion. 



1-'. — Examine the ends of shoots of the Lilac towards the close of summer. Note the replacement of 

 the terminal ImkI Ijv two lateral ones. Examine these again late in the fall. 



lo.— Examine tendrils of the Grape-vine and Virginia Creeper, noting any difference in their mode 

 of action. 



11.— Examine the twining stems of the Hop and the Morning Glory, noting diffrrences. 



1,'j. —Detach bulblets from the axils of the leaves of tlie Tiger Lily, and plant tliem. Record results. 



1'!.— Cut with a knife into the stems of an exogen and a woody eudogen (Bamboo, for example). 

 Note and account for any difference in the difficulty of cutting through the outer surface. 



17.— Examine and record, with drawings, the modes of sestivation in six different flowers. 



IS.— Draw floral diagrams of six different flowers, and write out the formulas. 



19.— Compare the head of the Thistle with that of the Red Clover. 



