Fia. So.—Ctaviceps jmrpurea. .4, Sclerotiuin with seven stromata (cl). H, nicdi;iii loiigitiidin;il section through the upper part of a stroma, the flask-shai>ed peritliecia (f//) are embedded in the head. C, Perithecium
Stroma end hi-res stock photography and images - Alamy
1,239 Stroma Les Images, Stock Photos, 3D objects, & Vectors | Shutterstock
The Stromata Or Miscellanies V2 9781419184277 | eBay