224 Micfioecopic fitngi. 



oval, minute, scattered, on both surfaces ; epidermis soon rup- 

 tured ; spores subglobose, brownish. — On Artemisia vulgaris, &c. 

 Not common. 



Trieliobasis Iiabiatarum, L6v. Mint Rtjst; spots 

 yellowish and brown ; sori subrotund, scattered, subaggregate, 

 on the under surface ; epidermis ruptured ; spores subglobose, 

 brown. — On various Labiatts. August to September. Common. 

 Uredo spores of Fuecinia Mentha. 



Trieliobasis Lycbnideanun, L^v. Chickwebd Etist ; 

 spots pallid yellowish ; sori subrotund, plane, scattered on the 

 under surface, cinnamon, at length brownish ; epidermis ruptured ; 

 spores globoso-ovoid, sessile, or shortly pedicellate. — On Caryo- 

 phyllaeea. Summer and Autumn. Uredo spores of Pucdnia 



Tricbobasis Clinopodii, DC. Spots yellowish ; sori 

 roundish, scattered over the under surface, soon ruptured and 

 pulverulent, cinnamon ; spores subglobose or oval, slightly 

 granular. — On Clinopoditim. Condition of Fucdnia Clinopodii. 



Triobobasis Cirsii, Lasch. Sori small, scattered, flattened ; 

 spores globose, cinnamon, or brownish, smooth. — On Thistles. 

 Condition of Fucdm'a Cirsii. 



Triobobasis Lapsanse, Fckl. Sori orbicular or confluent, 

 cinuamon-brown, pulverulent ; spores small, globose, rough, 

 yellow-brown. — On leaves of Lapsana communis. Condition of 

 Fucdnia Lapsana. 



Trichobasis Hieraeii, Schum. Sori collected in purple 

 spots, then erumpent and girt by the ruptured epidermis ; spores 

 rounded or ovate, rough, brown.— On Eieracium and Crepis, 

 Condition of Fucdnia Hieraeii. 



Triobobasis Apii, Wallr. Sori irregular, cinnamon, 

 girt by the epidermis ; spores ovate, pale cinnamon, smooth. — 

 On leaves of Celery. Condition of Fucdnia Apii. 



Triobobasis Angeliese, Schum. Sori subovate, crowded 

 or confluent ; spores subovate. — On leaves of Angelica syhestris. 

 Condition of Fucdnia Angelica. 



Triobobasis PimpinellSB, Strauss. Spots none ; sori 

 roundish, scattered over both surfaces ; spores ovate. On leaves 

 of Fimpinella. Condition of Fucdnia Fimpinelltg. 



Triobobasis Cynapii, DC. Sori scattered, rounded or 



