Náttúrufræðingurinn - 1993, Síða 76

Coe, M.J., D.L. Dilcher, J.O. Farlow,
D.M. Jarzen & D.A. Russell 1989. Di-
nosaurs and land plants. I The Origins
of Angiosperms and their Biological
Consequences (ritstj. E.M. Friis, W.G.
Chaloner & P.R. Crane). Cambridge
University Press. Bls. 225-258.
Cook, R. 1980. The biology of seeds in
the soil. I Demography and Evolution
in Plant Populations (ritstj. O. Solbrig).
University of California, Berkley. Bls.
107-130.'
Crawley, M.J. 1986. Life History and En-
vironment. I Plant Ecology (ritstj. M.J.
Crawley). Blackwell Scientific Publi-
cations. Bls. 253-290.
Crepet, W.L. 1983. The role of Insect Pol-
lination in the Evolution of the Angio-
sperms. 1 Pollination Biology (ritstj. L.
Real). Academic Press. Bls. 31-50.
Crepet, W.L. & E.M. Friis 1989. The
evolution of insect pollination in an-
giosperms. I The Origins of Angio-
sperms and their Biological Conse-
quences (ritstj. E.M. Friis, W.G.
Chaloner & P.R. Crane). Cambridge
University Press. Bls. 181-202.
Darwin, C. 1859. The Origin of Species
by Means of Natural Selection or the
Preservation of Favoured Races in the
Struggle for Life. Mentor útgáfa 1958
með inngangi eftir J. Huxley. Times
Mirror, NY. 479 bls.
Egley, G.H. & S.O. Duke 1985. Physiol-
ogy of weed seed dormancy and germi-
nation. í Weed Physiology, I, Repro-
duction and Ecophysiology (ritstj. S.O.
Duke). CRC Press, Inc. BIs. 27-63.
Evans, W.C. 1989. Trease and Evans’s
Pharmacognosy. 13. útgáfa. Bailliére
Tindall, London. 832 bls.
Evenari, M. 1984. Seed physiology: Its
history from antiquity to the beginning
of the 20th century. Botanical Review
50. 119-142.
Fenner, M. 1985. Seed Ecology. Chapman
& Hall.
Fox, J.F. 1983. Germinable seed banks of
interior Alaskan tundra. Arctic & Al-
pine Research 15. 405-41 I.
Friis, E.M. & W.L. Crepet 1989. Time of
appearance of floral features. í The Ori-
gins of Angiosperms and their Biologi-
cal Consequences (ritstj. E.M. Friis,
W.G. Chaloner & P.R. Crane). Cam-
bridge University Press. Bls. 145-179.
Gifford, E.M. & A.S. Foster 1989. Mor-
phology and Evolution of Vascular
Plants. W.H. Freeman & Co. 626 bls.
Grime, J.P. 1979. Plant Strategies and
Vegetation Processes. Jolin Wiley &
sons Ltd. 222 bls.
Harper, J.L. 1977. Population Biology of
Plants. Academic Press. 892 bls.
Harper, J.L., J.T. Williams & G.R. Sagar
1965. The behaviour of seeds in the soil.
Journal of Ecology 53. 273-286.
Harper, J.L., P.H. Lovell & K.G. Moore
1970. The shapes and sizes of seeds.
Annual Review of Ecology and System-
atics 1. 327-356.
Howe, H.F. & J. Smallwood 1982. Ecol-
ogy of seed dispersal. Annual Review
of Ecology and Systematics 13. 201-228.
Howe, H.F. & L.C. Westley 1986. Ecol-
ogy of Pollination and Seed Dispersal.
I Plant Ecology (ritstj. M.J. Crawley).
Blackwell Scientific Publications. Bls.
185-215.
Janzen, D. 1971. Seed predation by ani-
mals. Annual Review of Ecology and
Systematics 2. 465-492.
Janzen, D. 1986. Seeds as products. Oikos
46. 1-2.
Law, R. 1979. The cost of reproduction
in annual meadow grass. American
Naturalist 113. 3-16.
Leck, M.A. 1980. Germination in Barrow,
Alaska, tundra soil cores. Arctic & Al-
pine Research 12. 343-349.
Levin, D.A. & H.W. Kerstner 1974. Gene
flow in seed plants. Evolutionary Biol-
ogy 7. 139-220.
Levin, D.A. 1990. Seed banks as sources
of genetic novelty. American Natural-
ist 135. 563-572.
Lötschert, W. & G. Beese 1983. Collins
Guide to Tropical Plants. Collins. 256
bls.
Marchand, P.J. & M. Roach 1980. Repro-
ductive strategies of pioneering alpine
species; seed production, dispersal and
germination. Arctic & Alpine Research
12. 137-146.
Mayer, A.M. & A. Poljakoff-Mayber
1970. The Germination of Seeds. 3.
útgáfa. Pergamon Press. 211 bls.
Mclntyre, S. 1985. Seed reserves in tem-
198