Study the external features and anatomy of different plant parts of rhynia from the permanent slides. External Features of Rhynia: 1. Plant body was sporophytic. 2. Rhynia major was bigger and attained a height of 50 cm. with a diameter of 1.5 to 6 mm.,while R.gwynne-vaughani (Fig. 206) had a height of 20 cm. and […]