656 JOUENAL OF THE ROYAL HORTICULTURAL SOCIETY. 



Splicerella isaripliora, Desm., on leaves of Stellar ia graminea and 

 others, in Britain, France, Germany, Italy, Belgium, Finland. 



SCHIZOMYCETES. 



Bacterium Dianthi, A. & B., on leaves of Carnation, Diauthus 

 plumariiLS, japonicus, chinensis, and barbatus, North America. 

 Sixty species. 



EXPLANATION OF PLATES. 

 Plate I. 



Fig. 1. — Phyllosticta Dianthi, West. — a, conidia x 320 ; b, section of perithecium, en- 

 larged. 



2. — Ascochyia Dianthi, A. & S. — a, conidia x ,330, with section of perithecium ; 



h, conidia x 1,000. 



3. — Septoria Dianthi, Desm. — a, conidia x 320. 



4. — Marsonia Delastrei, De Lac. — a, conidia x 320 ; b, exterior of pustule, and 



section, enlarged. 



5. —Puccinia Dianthi, DC. — a, cluster of sori, enlarged ; b, teleutospores x 320. 



6. — Heterosporiiini echinulatiivi. Berk. — a, hypha? and conidia ; b, germinating 



conidia x 320. 



7. — Peronospora Dianthi, DBy. — a, hyphae and conidia. 



8. — Macrosporium nobile, Vize. — a, conidium x 350. 



Plate XL 



9. — Sorosporiiim Saponaricp, Rud. — a, spore in germination x 320. 



10. — Raviularia Lychnicola, Cooke. — a, hyphae and conidia ; b, conidia x 320. 



11. — Ustilago violacea, Pers. — a, spores ^ 320. 



12. — JEcidium Behenis, DC. — a, cups enlf^rged ; b, section ; c, aecidiospores x 320. 



13. — Uromyces caryophyllinus, Schr. — a, uredospores ; b, teleutospores x 320 ; 



c, sorus, enlarged. 



14. — Uromyces Silenes, Fckl.— a, uredospores; b, teleutospores x 320; c, sori, 



enlarged. 



lo. —Piiccinia Sileties, Schr. -a, sori, enlarged; 6, uredospores ; c, teleutospores 

 x 320. 



16. — Puccinia fastidiosa, Sacc. Teleutospores x 320. 



17. - Cylindrosporiiun SaponaricE, Rom. — a, hyphae and conidia x 320. 



