152 



BAS1D10MYCETES. 



on Juniperus tabina, J. virginiana, etc., has the secidia (" Rastelia cancellata ") 

 on Pyrus comnmnis (Figs. 152, 148) ; G. juniperinum, on Juniperus communis 

 with " Roestelia cornuta" (Fig. 154 a) on tiorbui aucvparia, Aria nivea (S.aria) 

 and Mains communis ; G, clavariceforme on Juniperus comnmnis, the aacidium 

 belonging to it (" Ewstelia lacerata ") on Crattfgusoxyacantha. 



Melampsora has prismatic teleutospores placed parallel to each other and 

 forming a crustaceous layer ; in many species they are divided longitudinally 

 into several cells (Fig. 151). The a3cidia, without peridium, belonged to the old 

 genus Cfsoma. M. caprearum, on Willows, has the aseidia (Cceoma euonynd) on 

 Euonijinus., M. Imrtitjii, on Osiers; the secidium on Eibes. M. mixta, on Salix 



FIG. 150. Phragmidivm gracile : a an uredospore ; b and c two pnrapliyses; da TOUII^ 

 teleutospore ; e a teleutospore with a basidium and two basidiospores (s) ; / two series of 

 ascidiospores (Ph. rosce). 



rep ens and Orchids. M. pinitorqua, on leaves of the Aspen, ascidia on Pine 

 branches (Pine shoot fungus) ; J/. populina on Popidus moniUfera and ni<ir<i ; 

 M. betulina (Fig. 153), on Birch leaves ; M. padi (Fi<;. 151), on leaves of Prnnns 

 padus, developes teleutospores in the epidermal cells ; M. lini is the cause of 

 injuiy to the Flax ; M. agrimonies. 



Cahjptospora goeppertiana ; teleutospores on Vaccinium vitis idcca\ spermo- 

 gonia and a?cidia on Abies alba (Firneedle-Bust). 



Coleosporium (Fig. 155) forms its uredospores in reddish yellow chains ; for 



