ligules

[Robert Haynes]

concerning the ligules of Selaginella, the function and possible
adaptive significance are discussed in Gifford and Foster (1989)
Morphology and Evolution of Vascular plants (3rd ed.).  Two or three
paragraphs are devoted to this on pages 131--132.
Robert R. Haynes
Director of the Herbarium
Box 870345
The University of Alabama
Tuscaloosa, AL 35487-0345

Voice:  (205) 348-1826
Fax:    (205) 348-6460

rhaynes at biology.as.ua.edu