Botany 359     First Laboratory Examination        Name______________________________

 

There are 20features listed on this side of the page

 

You are to find the fungus with the feature listed from the fungi demonstrated on the front table and on the side tables.  Once you find the fungus with the feature, you are to place the number of the fungus in the space provided to the right of the letter.

 

 

a)      ____Apothecia hypogeous

b)      ____Apothecia in well developed stromata.

c)      ____Apothecia stipitate and either brain shaped, wrinkled, or saddle shaped

d)     ____Apothecia stipitate and either capitate, spathulate or club-shaped and with an inoperuclate ascus

e)      ____Apothecia stipitate; hymenium present in pits in the pointed cap.

f)       ____Apothecia variable in shape but without hairs on the surface and without dark hyphae in the walls.

g)      ____Apothecium imbedded in the substrate

h)     __________At least three fungi that have apothecia with an inoperculate ascus

i)       __________At lease four fungi that have apothecia with an operculate ascus

j)      ____Apothecium with walls composed of dark-colored hyphae.

k)    ____Ascocarp with a prototunicate ascus

l)        ____Cleistothecium with appendages

m)   ____Cleistothecium without appendages (at all times)

n)     ____Hairs on the surface of a perithecium

o)     ____Hysterothecium.

p)     ____Perithecia with dark-colored spores

q)      ____Perithecia light-colored and produced by a fungus in the Hypocreales

r)       ____Ascocarps that contain asci with scolecospores

s)       ____Sclerotium

t)       ____Subiculum

 

 

1.      ____; ____Using the saccardo system of describing spores based on the number and arrangement of septa, name the spore (be sure to include the term referring to ascospore color) (phaeoamerospore)

  1. ____; ____Either provide the term that described the shape of the ascospore seen in one or name the order (-ales) (1/2 Diatrype) (allantoid; Xylariales)

3.      ____; ____Name the type of ascus produced by this fungus (unitunicate or inoperculate)

  1. ____; ____Name the type of ascocarp produced by this fungus (perithecium) (3/4 slide of Sordaria, either prepared or preferably from a culture)
  2. ____; ____Name the ascocarp produced by this fungus (apothecium)

6.     ____; ____Name the type of ascus (operculate) 

7.      ____; ____Name of the type of sterile structures produced by this fungus (paraphyses)

8.      ____; ____From which cells in the centrum of this fungus are these sterile structures produced? (basal cells that produce the gametangia) (5-8 fresh Peziza showing the ascus and ascospores)

9.      ____; ____Name the ascocarp produced by this fungus (pseudothecium)

  1. ____; ____Name the type of sterile structures produced by this fungus (pseudoparaphyses) (7/8 ascus bitunicate Pleospora)
  2. ____; ____type of ascocarp produced by this fungus (cleistothecium)
  3. ____; ____order (-ales) for complete credit; common name (for partial credit) (Erysiphales; powdery mildew) (9/10 ascus of Uncinula)

13.  ____; ____Give the name of the type of ascus seen in the microscope (prototunicate).

14.  ____; ____Where would you find this type of ascocarp of this fungus (it has none) (prepared slide of Taphrina)

15.  ____; ____Name the structure at the end of the pointer (stroma)

  1. ____; ____Name the vegetative structure from which the structure in 15 was produced (sclerotium)
  2. ____; ____Where would you find number 16 (in the flower of the grass; extra point if they answer replacing the ovary)
  3. ____; ____Using the saccardo system of classification, provide the term that describes the ascospore (scolecospore) (13-16 prepared slide of Claviceps
  4. ____; ____Where would you find the ascocarp of this fungus? (in the ground; hypogeous)
  5. ____; ____in the space below, provide an explanation of the ploidy number found in each of the ascospores as well as an explanation why you only see two ascospores. (17/18 prepared slide of Tuber) (need a reasonable explanation)