FIGURES 29–34. Nitella microcarpa. 29. Upper whorls somewhat compacted. 30. Dactyls 2 in Taxonomy and phylogeny of Nitella (Charophyceae, Characeae) from Brazil with emphasis on the midwest and southeast regions

FIGURES 29–34. Nitella microcarpa. 29. Upper whorls somewhat compacted. 30. Dactyls 2-celled, abbreviated, forming a crown. Penultimate cell rounded at distal end. End cell conical and acuminate. 31. Fertile branchlet with gametangia at second (black arrow) and third (red arrow) nodes. 32. Oospore membrane with reticulate aspect under LM. 33. Overview of an oospore under SEM. 34. Oospore membrane with beaded imperfect reticulate aspect under SEM.