MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 245 



OSTREION Duby. 



1717. Ostreion americanum Duby. 



N.E. — Scarboro'jOn pinewood (Grev. xvi. Dec. '8y = 0strich- 

 nion americanum, Duby, Hyst.). P'irst British record. (Mass. 

 Brit. Fung. Fl. iv. p. 28. fig. 31. p. 22.). 



HYSTEROGRAPHIUM Corda. 



1 71 8. Hysterographium fraxini. [Hystermm. Pers.]. 

 S.W. — Halifax 1789. "Grows about Hx. on twigs and 



branches of ash trees when in decay " (Bolton, Tab. 124 = 

 Sphavia sulcata). 



N.E. — Castle Howard (Tr. i. & iv.). Bulmer, on lilac. 



Mid W. — Wetherby, on dead ash-twig (Lees' FL). 



On dry branches of ash, lilac, privot, beech, etc. (Mass. 

 Britt. Fung. Fl. iv. p. 29. figs. 32-33 p. 22.). 



1719. Hysterographium elongatum Corda. {Hys- 

 terium elongatum Wahl.]. 



N.E. — Scarboro', on oak wood. 



DISCOMYCETES. 



HELVELLACE^. 



MORCHELLEM. 



MORCHELLA Dill. 



1720. Morchelia crassipes Pers. 



N.E. —Sandy field by the Esk near Whitby (Nat. Hist. 

 Jour., June 1885 P- Sewell). 



Var. Smithiana Cke. 

 N.E. — Malton (Grev. xii. p. 98). 

 On the ground among short grass in spring. Edible. 



1721. Morchella esculenta DC. 



S.W. — Halifax 17SS. "Grows in sandy meadows. . . . 

 Is greatly esteemed as an esculent " (Bolton, Tab. 91). 



Distribution general. Records numerous for each county 

 division. 



1722. Morcheila conica Pers. 



N.E. — Scarboro', on the ground. Edible. 



Bot. 6.— R 



