Skip to main content
SpringerLink
Log in

Cytology of Indian Species of Onychium

  • Letter
  • Published:

From Nature

View current issue Submit your manuscript

Abstract

THE fern genus Onychium Kaulf. is primarily an old-world representative of Bower's1 primitive gymnogrammoids. Excepting Bower1 and Holttum2, there is a general agreement in the pteroid affinity of the genus; but its exact phyletic treatment, however, differs considerably in the various systems of classifications1–5.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Bower, F. O., “The Ferns”, 3 (Camb. Univ. Press, 1928).

    Google Scholar 

  2. Holttum, R. E., J. Linn. Soc., 53, 123 (1947); Biol. Rev., 24, 267 (1949).

    Article  Google Scholar 

  3. Ching, R. C., Sunyatsenia, 5 (4), 201 (1940).

    Google Scholar 

  4. Copeland, E. B., “Genera Filicum” (Chronica Bot., Walth., Mass., 1947).

    Google Scholar 

  5. Dickason, F. G., Ohio J. Sci., 46, 73 (1946).

    Google Scholar 

  6. Christensen, O., “Index Filicum” with supp. (Copenhagen, 1906–33).

    Google Scholar 

  7. Ching, R. C., “Icones Filicum”, Fasc. 4 (Peiping, China, 1937).

  8. Clarke, C. B., Trans. Linn. Soc., B, 1, 458 (1880).

    Google Scholar 

  9. Beddome, R. H., “Ferns of British India and Ceylon”, Supp. (Calcutta, 1892).

    Google Scholar 

  10. Stewart, R. R., Bull. Torrey Bot. Club, 72, 421 (1945).

    Article  Google Scholar 

  11. Manton, I., “Problems of Cytology and Evolution in Pteridophyta” (Camb. Univ. Press, 1950).

  12. Manton, I., and Sledge, W. A., Phil. Trans. Roy. Soc., B, 238, 127 (1954).

    Article  ADS  Google Scholar 

  13. Ninan, C. A., J. Ind. Bot. Soc., 35, 252 (1956).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Botany, Panjab University, Amritsar

    P. N. MEHRA & S. C. VERMA

Authors
  1. P. N. MEHRA
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. S. C. VERMA
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

MEHRA, P., VERMA, S. Cytology of Indian Species of Onychium . Nature 180, 715–716 (1957). https://doi.org/10.1038/180715a0

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1038/180715a0

  • Springer Nature Limited

Search

Navigation