222 MICEOSCOPIC FUNGI. 



or pyriform ; fertile spores subglobose, orange. — On the under 

 surface of Willow-leaves. Autumn. Common. 



Leeythea Baryi, Berk. De Baby's Rust; sori few, 

 cystidia with an abrupt globose bead ; spores subglobose. — On 

 leaves of Brachypodium pennatum. Very rare. 



Leeythea Valerianae, Berk. Valeman Ritst; spots 

 yellowish; sori subrotund, small, confluent, sometimes circi- 

 nating ; epidermis at length bursting ; spores reddish-Uown, sub- 

 globose or clavate, shortly pedicellate.— On Faleriana officinalis. 

 August. 



« « 



Spores invested. 



Leeythea gyrosa, Berk. Ringed Ritsi ; spots obliterated; 

 sori minnte, confluent, and forming a small distinct ring ; epi- 

 dermis bursting ; spores globose and elongato-pyriform, yellow or 

 pale.— On the upper surface of Raspberry and Bramble leave?, 

 forming a more or less perfect ring with the centre unoccupied. 

 September. tlTeio sf ores ol Phragmidium ffracile. (Plate V 111. 

 figs. 162-164.) 



* * * Spores concatenate. 



Leeythea Caprsearum, Berk. Salmw Rust; spots 

 obliterated, yellow on the opposite side : sori varied in form, here 

 and there confluent, surrounded by tne ruptured epidermis ; 

 barren spores subglobose and pyriform, pedicellate ; fertile spores 

 subglobose, dirty yellow. — On the under surface of the leaves of 

 Sallows. June to August. Very common. Uredo spores of 

 Melampsora salicina. (Plate Vlll. figs. 160, 161.) 



Leeythea Liai, Berk. Tiax Rust ; spots yellowish ; sori 

 subrotund, scattered, surrounded by the ruptured epidermis ; 

 spores globose or pyriform, sometimes pedicellate. — On Linum 

 catharticum. July. Not uncommon. (Plate VIII. figs. 165- 

 167.) 



Teichobasis, Lev. 



Spores free, attached at first to a short peduncle, which at 

 length falls away. — Berk. Outl., p. 332. 



* Spores yellow. 



Triehobasis rubigo-vera, L6v. Round Cobn-Rust: 

 spots yellow, heaps oval, scattered, generally on the upper sur- 



