18 in stock
Pine, Mature Pollen Grains
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Unilocular, Asexual material with sporangia, whole mount. Botany Slide – Ectocarpus, Prepared Slid...
Stellate colonial plates, whole mount. Botany Slide – Pediastrum, Prepared Slide, (each)
C.s. in region of esophagus, selected to show hearts.
Cross section of older twig showing annual twigs and resin ducts. Pine has an endarch siponostele. B...