REFERENCES
- Benzing, D. H., Ott, D. W. & Friedman, W. E. (1982). Roots of Sobralia macrantha (Orchid-aceae): structure and function of the velamen-exodermis complex. Am. Bot. 69, 608-614.
- Bowen, E. J. (1935). A note on the conduction of water in Fimbriaria bleumeam Ann. Bot. 49, 844–848.
- Castaldo, R. & Di Martino, V. (1970). Le leucocisti di Sphagnum recurvum P. Beauv. studiate comparativamente al microscopio elettronico a scansione ed al microscopio elettronico a transmissione. Delpinoa, n.s. 10-11, 63–72.
- Castaldo-Cobianchi, R. & Giordano, S. (1982). Le cellule “reticolate” di Conocephalum conicum (L.) Dum. Suppl. n.1 . Giorn. Bot. It. 166,11–12.
- Castaldo, R., Ligrone, R. & Gambardella, IL (1979). Histological and ultrastructural features of Conocephalum conicum (L.) Dum. Caryologia 32, 122–123.
- Cavers, F. (1904). On the structure and biology of Fegatella conica. Ann. Bot. 18, 87–120.
- Clee, D. A. (1943). The morphology and anatomy of Fegatella conica in relation to the mechanism of absorption and conduction of water. Ann. Bot. n.s. 7, 185–193.
- Dycus, A. M. & Knudson, L. (1957). The role of the velamen of the aerial roots of orchids. Bot. Gaz. 119,78–87.
- Esau, K. (1965). Plant Anatomy. ed. 2. pp. 485-486. New York.
- Fahn,A. (1967). Plant Anatomy. pp. 242-243. Pergamon Press, Oxford.
- Hébant, C. (1977). The conducting tissues of Bryophytes. J. Cramer (ed.). Vaduz.
- Lüttge, U. & Higinbotham, N. (1979). Transport In plants. Springer (Ed.). New York.
- McConaha, M. (1939). Ventral surface specializations of Conocephalum conicum. Am. J. Bot. 26, 353–355.
- McConaha, M. (1941). Ventral structures effecting capillarity in the Marchantiales. Am J. Bot. 28, 301–306.
- Noel, A. R. A. (1974). Aspects of cell wall structure and the development of the velamen in Ansellia gigantea Reichb. f. Ann. Bot. 38,495–504.
- Proctor, M. C. F. (1979). Structure and eco-physiological adaptation in Bryophytes. In: G. C. S. Clarke & J. G. Duckett (eds.), Bryophyte Systematics. pp. 479-509. Academic Press, London.
- Proctor, M. C. F. (1982). Physiological ecology: water relation, light and temperature responses, carbon balance. In: A. J. E. Smith (ed.), Bryophyte Ecology, pp. 333–381. Chapman and Hall, London.
- Rifot, M. & Barriere, G. (1974). La conduction dans le thalle de l'Ilepatique Conocephalum conicum (L.) Dum. I. Etude du transit de reau a l'aide d'une solution d'acetate de sodium” C. Rev. Bryol. et Lichen. 40, 45–52.
- R. CASTALDO-COBIANCHI and S. GIORDANO, Instituto di Botanica, Facolti di Scienze, Universitit di Napoli, Via Foria, 223, 80139 Napoli, Italy.