Botany SC 250 Midterm Practical Examination Fall 1999  Name: _____________________________

Sketches will be evaluated for completeness, labelling, accuracy, neatness, as well as artistic skill displayed.

Movement: When done at a station, move to the next station. Those at station VII will move to station I. Be patient, work carefully, methodically, but be efficient.

Station I

Give the Genus and species (Latin binomial) for the displayed plants.

      Genus         Species

1.    ____________  _____________

2.    ____________  _____________

3.    ____________  _____________

4.    ____________  _____________

Station II

5. What is the name of the displayed substance?

6. What is a heterocyst?

7. What is the function of a heterocyst?

Station III

8. Sketch the brown stalk-like object seen in the dissecting microscope. Label your sketch completely.

9. What is the function of the brown structure?

10. Of the two group types for this plant, which of the two types does this one belong to?

Station IV

11. Each of the displayed leaves has a number assigned to the leaf. Write each number is the correct blank in the following list of leaf shapes. Note that the number of leaves is less than the number of blanks: some blanks will not be filled in!

___ Awl
___ Cordate
___ Deltoid
___ Elliptic
___ Hastate
___ Lanceolate
___ Linear
___ Oblanceolate
___ Oblong
___ Obovate
___ Orbicular
___ Ovate
___ Palmate
___ Reniform
___ Peltate
___ Perfoliate
___ Sagittate

Station V

12. Each of the displayed flowers has a number assigned to the flower. Write each number is the correct blank in the following list of blossom shapes. Note that the number of flowers is less than the number of blanks: some blanks will not be filled in!

___ Bilabiate
___ Campanulate
___ Funnelform
___ Ligulate
___ Papilionaceous
___ Rotate
___ Slaverform
___ Spurred

Station VI

13. Each of the displayed inflorescences has a number assigned to the inflorescence. Write each number is the correct blank in the following list of inflorescence types. Note that the number of flowers is less than the number of blanks: some blanks will not be filled in!

___ Solitary
___ Spike
___ Spadix
___ Spikelet
___ Raceme
___ Corymb
___ Umbel
___ Head

Station VII

14. Sketch one of the flowers labelling the floral parts completely. Sketches will be evaluated for completeness, labelling, accuracy, neatness, as well as artistic skill displayed.