Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 3l6 DISEASES OF CULTIVATED PLANTS country); i-septate, rarely 2-septate, each cell having two or four germ-pores. Spermogoniaand aecidia on a different host to teleutospores. Uredospores unknown. F'lG. 95.—Gymttoiporangium clavariacforme. I, teleutospore stage on juniper branch; 2, teleutospores; 3, teleutospores ger- minating and producing secondary spores, (7, a ; 4, aecidium stage on pear leaf ; 5, aecidium stage on branch, leaves, and fruit of hawthorn ; 6, aecidiospore g

---

Diseases of cultivated plants and Diseases of cultivated plants and trees diseasesofcultiv00massuoft Year: [1910?] 3l6 DISEASES OF CULTIVATED PLANTS country); i-septate, rarely 2-septate, each cell having two or four germ-pores. Spermogoniaand aecidia on a different host to teleutospores. Uredospores unknown. F'lG. 95.—Gymttoiporangium clavariacforme. I, teleutospore stage on juniper branch; 2, teleutospores; 3, teleutospores ger- minating and producing secondary spores, (7, a ; 4, aecidium stage on pear leaf ; 5, aecidium stage on branch, leaves, and fruit of hawthorn ; 6, aecidiospore germinating. Kigs. i, 4, and 5 reduced, remainder highly mag. Hawthorn cluster-cups (Gymnosporangium clavariaeforme, Jacq.) causes spindle-shaped swellings on the branches of [ttniperus communis, and during the months of April and May numerous flattened, pale-orange, gelatinous masses I

---

Size: 1218px × 1643px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage