EXPLANATION OF PLATES. IX 



FIG. 108. Colletotrichum Lindemuthianum, Sacc. a, section of pustule b, conidia x 

 109. Ascochyta Pisi, Lib. With sporules x 

 110. Uromyces Pisi, Pers. a, uredospores ; b, teleutospores x 

 Ul.Erysiphe Martii, Lev. a, conceptacle with appendages, enlarged. 

 112. Septoria Petroselini, Desm. With sporules x 

 113. Puccinia Apii, Corda. a, uredospores ; b, teleutospores x 

 114. Plasmopara nivea, Ung. a, threads with conidia ; b, tip of thread with 



conidia x 

 I15.Bremia LactiLca, Regel. a, threads with conidia; 6, tip of thread with 



conidia x 



116. Fusarium Solani, Mart. Threads with conidia x 

 HS.Phytophthora infestans, DBy. Threads with conidium ; a, ripe conidium 



separating ; b, zoospores x 

 119. Sclerotinia Sclerotiorum, Mass. , sclerotia ; b, cups n.s. ; c, asCi and 



sporidia x 



I20. Cladosporiumfulvum, Cooke. a, threads with conidia x 

 121. Macrosporium Tomato, Cooke. Fruit with blotch, n. s. ; a, conidium x 

 122. Puccinia Mentha, Pers. a, uredospores ; b, teleutospores x 

 124. Heterosporium variabile, Cooke. a, hyphse and conidia x 

 125. Peronospora effusa, Eab. threads with conidia x 



126 GloBosporium orbiculare, Berk. conidia x 



127. Glceosporium lagenarium, Pers. a, section of pustule ; b, conidia x 



128. Oidium erysiphoides, Link. conidia x 



129. Cercospora Melonis, Cooke. a, thread with conidia x 



131. Vermicularia circinans, Berk. a, tuft of hairs, magnified ; 6, hair and 



conidia x 



132. Fusariella atro-virens, Berk. curved conidia x 

 133. Puccinia Porri, Sow. a, uredospores ; b, teleutospores x 

 134. Peronospora Schleideni, Ung. thread with conidia x 

 135. Sclerotinia bulborum, Wakk. asci and sporidia x 

 136. Mucor subtilissimus, Berk. portion of thread ; a, sporules x 

 137. Puccinia Asparagi, DC. a, uredospores ; 6, teleutospore x 

 138,Mycogone alba, Letell. hyphse and conidia x 



PLATES X., XL, XII. 



PESTS ORCHAKD, &c. 



FIG. 1. Septoria pyricola, Desm. Spotted leaf, section of perithecium and sporules 



x400. 

 2. Oidium farinosum, Cooke Young leaves with mould; chains of conidia, 



and free conidia x 400. 

 3. Fusicladium dendriticum, Walk. On Apple with threads and conidia 



x 400. 



4. Glceosporium fructigenum, Berk. Spots on Apple with conidia x 400- 

 5. Botryodiplodia pyrenophora, Sacc. On Apple twig; a, young conidia; 



6, mature conidia x 400. 

 6. Nectria ditissima, Tul. Forming canker on branch ; a, fissure showing 



fungus ; b, perithecia, magnified ; c, sporidia x 400. 

 7. Valsa ambiens, Fr. Pustules on branch ; a, conidia oozing in a tendril; 



b, conidia x 400 ; c, asci and sporidia x 400. 



8. Rcestelia cancellata, Reb. On Pear leaf, with receptacle and spores. 



Q.Exoascus bullatus, Tul. On Pear leaf, with ascus and sporidia x 400. 

 10. Entomosporium maculatum, Lev. Spotted leaf with conidia x 400. 

 11. Fusicladium pirinum, Lib. On Pear leaf, with threads and conidia x 400. 

 12Moniliafructigena, Pers. Tufts of mould on fruit; a, section of tuft ; 



6, thread and conidia x 400. 



13. Exoascus Pruni, Fckl. Diseased fruits ; a, asci with sporidia x 400. _ 

 14. Polystigma rubra, Pers. On Sloe leaf ; a, section of blotch ; b, conidia ; 



c, ascus and sporidia x 400. 



15. Puccinia Pruni, Pers. -On Plum leaf; a, uredospores; 6, teleutospores 



x 400. 

 16. Podosphcera tridactyla, Wall. Conceptacle with fulcra, enlarged ; a, ascus 



and sporidia x 400. 

 17. Uncinula Prunastri, DC. Leaf with mould, and conceptacle, enlarged 



a, tip of appendage ; b, ascus and sporidia x 400. 



