New or Rare British Fungi. Carleton Rea. 327 



losae, 10 X 5-6'5/x. Cystidia hyalina, vcscicidosa , obtiisa, 42 x 

 20/x, tenuiter tunicata. 



Ad terrain niidam in sylvis frondosis, Bishop's Wood, Selby, 

 Yorkshire, 9th September, 1918. 



Known by the bhiish apex of the stem, the flesh of the stem 

 becoming reddish, and the obtuse, bladder-hke cystidia. 



Caldesiella italica Sacc. Sacc, Syll. vi, 477. 



Receptacle 2-10 cm., fuliginous, widely effused, incrusting, 

 resupinate. Spines concolorous, becoming olivaceous with the 

 snuff-coloured spores, 1-1-5 mm. long, -5-1 mm. thick, cylindri- 

 cal, obtuse, often compressed, crowded, pruinose. Flesh con- 

 colorous, floccose, thick. Spores snuff coloured in the mass, oli- 

 vaceous hyaline under the microscope, obtusely verrucose, an- 

 gularly globose, 8-9 X 8/A ; basidia clavate with 2-4-sterigmata. 

 Basal hyphae concolorous, thick walled, 6-8 /x in diam., septate, 

 with clamp-connections. 



On a dead birch stump. Trench Woods, Worcestershire, 20th 

 October, 1917. 



I am indebted to Miss E. M. Wakefield for kindly determining 

 this species. 



Puccinia Picridis Hazsl. Math, es Termes. Kozlemenyek m. 

 Tudomanyos Akad. xiv, 152 (1877). 



Uredospores. Sori amphigenous, without spots, or on very 

 indistinct spots, scattered, sometimes confluent, minute, puncti- 

 form, round, pulverulent, cinnamon; spores globose, subglobose, 

 or broadly ovate, echinulate, pale brown, 21-27/^ in diam., or 

 24-30 X i6-20)Li, with two germ-pores. 



Teleutospores. Sori similar, dark brown; spores elliptical, or 

 ovate-elliptical, rounded at both ends, not thickened above, not 

 or hardly constricted at the septum, delicately verruculose, 

 brown, 27-35 x 18-24/x; epispore thin; pedicels hyaline, up to 

 16/X long. 



On leaves of Picris hieracioides, Colesbourn, Gloucestershire, 

 6th September, 1919, Mr H. H. Knight. 



In this gathering both spore forms were obtained. The uredo- 

 spores were echinulate, globose, or subglobose, 28-30 x 25-28^11; 

 and the teleutospores delicately verruculose, especially in the 

 upper half, 35-40 x 23-25/x. 



Acetabula calyx Sacc. Sacc, Myc. Ven., Patavia (1873), 168; 

 Bond., Icon, iv, 133, t. 248. 



Ascophores 2-6 cm. Wide t, greyish bistre, ov fuliginous, exter- 

 nally greyish, pruinose, fleshy, cup-shaped, then expanded and 

 finally reficxed, stipitate, hymenium smooth ; margin often crenu- 

 late and becoming split. St. 1-6 cm. (generally 1-2 cm.) long. 



