Lab Practical Name:_____________________

BioPl 243, Sect. 01 TA: Pam White

2 Dec 1998

Answer Sheet for Part I, Section A

Use the sheet below to answer the questions asked at the 20 stations.

(32 points: 1 point for each blank unless otherwise indicated)

1. Dates and leaf
   a. Which family is represented here? ARECACEAE
2. Black Pepper and plant
   a. Which family is represented here? PIPERACEAE
3. a. Which family is represented here? BRASSICACEAE
4. a. Which family is represented here? MORACEAE
   b. What is the term for the specialized fruit type that is unique to this family? SYCONIUM
5. a. Which family is represented here?
   APIACEAE
   b. What is the fruit type found in this family? SCHIZOCARP
6. a. Which family is represented here? RUBIACEAE
7. a. Which family is represented here? CUCURBITACEAE
   b. What is the placentation type of this fruit? PARIETAL
8. a. Which family is represented here? ANACARDIACEAE
9. Tea.
   a. One of the ingredients of this tea is usually herbaceous. Which family is it? LAMIACEAE
   b. What is the fruit type of this family? NUTLET
10. Popcorn and stem
    a. Which family is represented here? POACEAE
    b. What is the fruit type of this family? CARYOPSIS
11. (a-d are worth ½ point each)
    a. Which family is represented here? FABACEAE
    b. Which subfamily? CAESALPINIOIDEAE
    c. What is the fruit type of this family? LEGUME
    d. How many carpels in this family? ONE
12. a. Which family is represented here?
    PINACEAE
    b. How many seeds are on each scale of this cone? TWO
13. a. Which family is represented here? CUPRESSACEAE
14. a. Which family is represented here? DRYOPTERIDACEAE
    b. What covers the sori in this family? INDUSIUM
15. a. Which family is represented here? POLYGONACEAE
16. a. Which family is represented here? PAPAVERACEAE
    b. What is the placentation type of this family? USUALY PARIETAL
17. a. Which family is represented here? ORCHIDACEAE
    b. What is the term used to describe the fused gynoecium/androecium structure found in this family? COLUMN
18. a. Which family is represented here? LAMIACEAE
19. a. Which family is represented here? MALVACEAE b. Is the gynoecium apocarpous or syncarpous in this family (you should know this....do not dissect!)? SYNCARPOUS
20. a. Which family is represented here? PTERIDACEAE
    b. What covers the sori in this family? FALSE INDUSIUM OR LEAF MARGIN

Part I, Section B (9 points) For each of the following features, first define each term (you may use drawings). Next, indicate one family from Section A that possesses that feature by writing the station number where the family is located. The feature may or may not be visible on the specimen at that station, so indicate whether the feature is visible in the last column.

Part II. Key-outs: each key out is worth 7 points. In order to receive full credit, you must include each step taken during the keying-out process, and indicate the correct answer when finished.

Key-out 1. (7 points)

1’ à 8’ à 10’ à 18’ à 20’ à 21’ à 23 à 24’ à 25 à Polypodiaceae

- 1 point for first mistake unless it was the first couplet (lose only ½ point for missing the 1 & 1’). – ½ point for additional mistakes.

Key-out 2. (7 points)

1’ à 25’ à 28’ à 30’ à 36’ à HH (Brassicaceae)

- 1 point for first mistake. – ½ point for additional mistakes.

Part III. Short answer, definitions, and drawing

1. (4 points) Draw a Carex spikelet. Be sure to draw and indicate the perigynium and label all the parts for full credit.

2. (6 points) Snack Break. List the families that are represented here by this snack of guacamole and corn chips. There are seven blanks, you need only answer six for full credit. This recipe, is taken from "Horn of the Moon Cookbook".