224 MICROSCOPIC FUNGI. 



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

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

 Not comiuou. 



Trichobasis Labiatarum, Lev. Mii^t Rust; spots 

 yellowibh and bro^ n ; sori subrotund, scattered, subaggregate, 

 on the under surface ; epidermis ruptured ; spores subglobose, 

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

 Uredo spores of Faccinia Menthce. 



Trichobasis Lychnidearum, Lev. Chickweed Rijst ; 

 spots paliid yellowish; sori subrolund, plane, scattered on the 

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

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

 phyllacete. Summer and Autumn. Uredo spores of Piiccinia 

 Lychnidearum. 



Trichobasis Clinopodii, DC. Spots yellowish ; sori 

 roundish, scattered over the under surface, soon ruptured and 

 pulverulent, cinnamon ; spores subglobose or oval, slightly 

 granular. — On Cliiiopodium. Condition of Puccinia Clinopodii. 



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

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

 Condition of Puccinia Cirsii. 



Trichobasis Lapsanse, Fckl. Sori orbicular or confluent, 

 ciniiamon-t)rown, pulverulent ; spores small, globose, rough, 

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

 Puccinia Lapsana;. 



Trichobasis Hieracii, Sebum. Sori collected in purple 

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

 rounded or ovate, roudi, brown.— On Hieracium and Crepis. 

 Condition of Puccinia Hieracii. 



Trichobasis Apii, Wallr. Sori irregular, cinnamon, 

 gir^ by tiie epidermis ; spores ovat(j, ])ale cinnamon, smooth. — 

 On leaves of Celery. Condition of Puccinia Apii. 



Trichobasis Angelicse, Sclium. Sori subovate, crowded 

 or cohflue.'t; spores subovate. — On kSiVes oi Angelica sylvestris. 

 Condition of Puccinia Angelicce. 



Trichobasis Pimpinellse, Strauss. Spots none ; sori 

 roundish, scattered over both sui faces ; spores ovate. On leaves 

 of Pimpineila. Condition of Puccitiia Pimpinellce. 



Trichobasis Cynapii, DC. Sori scattered, rounded or 



