232 MICROSCOPIC FUNGI. 



mass of spores clear yellow-brown ; clusters globose or oroid, 

 composed of from 2 to 8 spores ; spores globose, flattened at the 

 united surfares, vellow-brown; epi«*pore spiuulose. — QnCalystegia 

 Soldanella^ C. sepium^ and other tpLcies. 



Urocystis, Rabh. 



Masses of spores containing coloured spores in the centre, 

 surrounded by hyaline spores in the periphery ; epispore 

 smooth. 



Urocystis Colchici, Tul. Meadow-sapfron Smut ; sori 

 elongated, buistinir irregularly ; spores smooth or slightly papil- 

 lose. — On leaves of Meadow Saffron. Not common. 



Urocystis pompholygod.es, Lev. Buttercup Smut 

 sori varied m I'orni, builate;''epidermis inflated, at first, entire, then 

 bursting irregularly, its remains surrouiiding the clusters ; spores 

 copious, subalobo-e, black, opaque or pellucid. — On Ranunculus 

 repens Qx\d o'^\\^Y Ra7iunculace(e. Summer. Very common. (Pjate 

 IX. tigs. 1S3, 1S4 ) 



Urocystis parallela, B. and Br. Rye Smut ; sori very 

 Ions, linear; epidenuis bursting longitudiually ; spores globose, 

 with several projecting nodules, dark brown.— On culms and 

 sheaths of iiye and on the leaves of Garices. (Plate IX. figs. 

 187, 188.) 



Urocystis Violse, B. and Br. Violet Smut ; sori scat- 

 tered, elungated, on both surfaces of the leaves and petioles ; 

 spores more or less globose, consisting of several cells surroiinoed 

 by a common irregular crust. — On leaves and petioles of Violets. 

 August. Common. (Plate IX. tigs. 185, 186.) 



Urocystis sorosporioides, Kcern. Meadow-rue Smut; 

 mass of spores black, in the form of pustules; glomerules rounded, 

 oblong oval, obtuse-ovoid, composed of 8 or more central spores, 

 dark-yellow, almost opaque; cells of the periphery numerous, 

 large, clear olive-brown.— On leaves of Thalictrum minus. 



Urocystis Gladioli, Sm. Gladiolus Smut ; sori obli- 

 terated, or etfused ; glomerules large, rounded, consisting of 3 

 to 6 inner brown celis, and a larger indetinite number of nearly 

 transparent outer celis; both series ferule.— Within corms of 

 Gladiolus. 



