Add to ORKGIn this family, the plants, originally unicellular, grow eventually into strata or cushions from which filaments of cells penetrate the substratum. The solitary cells are basically attached to the substratum by a sheath of gelatinous material; cell division proceeds, at right angles to the axis of the cell, in an unequal fashion: the apical daughter cell is as a rule much smaller than the basal daughter cell. The upper part of the sheath is burst open, and the small daughter cell passes out of the mother cell sheath or develops in silu within the open sheath
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
This study originated as an inquiry, some twenty years ago, into what names should be employed for s...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
Most of the species of Chroococcaceae are capable of developing in various ways: as microscopic or m...
The plant -- this term is employed here to indicate a single free cell or a group of cells joined to...
The following names have been described on the bases of material not included in the families treate...
The species of the family Characeae have for many years been generally neglected by botanists leavin...
Study during the past year of material belonging to this genus from numerous localities has revealed...
This Myxophycean, a member of the Oscillatotiaceae, has not been reported previously for the Western...
The specimen cited here is to be found in the Herbarium of Butler University and the Cryptogamic Her...
The photomicrographs were made from herbarium material mounted in water or dilute solutions of deter...
Of the great numbers of seeds and spores which are produced annually by the plant kingdom, only a re...
Campanulaceae is a family of flowering plants in the Asterales that is composed of five morphologica...
An interesting Nitella was collected in Alabama, June 6, 1947, by Francis X. Lueth of the Department...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
This study originated as an inquiry, some twenty years ago, into what names should be employed for s...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
Most of the species of Chroococcaceae are capable of developing in various ways: as microscopic or m...
The plant -- this term is employed here to indicate a single free cell or a group of cells joined to...
The following names have been described on the bases of material not included in the families treate...
The species of the family Characeae have for many years been generally neglected by botanists leavin...
Study during the past year of material belonging to this genus from numerous localities has revealed...
This Myxophycean, a member of the Oscillatotiaceae, has not been reported previously for the Western...
The specimen cited here is to be found in the Herbarium of Butler University and the Cryptogamic Her...
The photomicrographs were made from herbarium material mounted in water or dilute solutions of deter...
Of the great numbers of seeds and spores which are produced annually by the plant kingdom, only a re...
Campanulaceae is a family of flowering plants in the Asterales that is composed of five morphologica...
An interesting Nitella was collected in Alabama, June 6, 1947, by Francis X. Lueth of the Department...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
This study originated as an inquiry, some twenty years ago, into what names should be employed for s...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...