^ 



488 



TORULACEI. 



Gen. 162. GYMNOSPORIUM, Corda. 



Mycelium very obscure ; 

 spores unicellular, arising ap- 

 parently from the matrix. — 

 Berk.0utl.p.^2d>. 



(Fig. 197.) 



Fig. 197. 



1453. Gymnospoxium arundinis. Corda, "Eeed Gym- 



nosporium." 



Immersed, then naked, livid ; spores oval, lens-shaped, or 

 rounded, margin depressed, diaphanous, livid-yellow ; nucleus 

 obovate or globose, brownish. — Corda. Icon. ii./. 1. Berh. Outl. 

 p. 328. Corda. Anl. t. B.f. 3. no. 8-11. Curr. Micr. Journ. 1857, 

 t. 8,/. 35-37. 



On reeds. ^^ (Fig, 197.) 



Gen. 163. ACALYPTOSPORA, Desm. 



Spores epiphytal, superficially in- 

 nate, didymous, stipitate, not col- 

 lected in heaps ; stroma none. — 

 Desm. Ann. S.N. 1848, x.;?. 342. 



{Fig. 198.) 



By some authors this genus is included 

 in Piiccinicei ; it is clearly intermediate be- 

 tween Torulacei and Puccinicei, but, as it 

 appears to us, more closely allied to the 

 former than the latter . 



Fig. 198. 



1454. Acalyptospora nexvisequia. Desm. " Nerve 



Acalyptospora." 



On both surfaces ; spores seriate along the nerves, red-brown, 

 shining, ovoid or oblong, obtuse, scarcely constricted ; epispore 

 smooth ; stem thick, rather long, fragile, colourless, — Desm. 

 Ann. Sc.Nat. 1848, x.^. 343. Ann. N.H, no. 1043. 



On living and dead leaves of elm. 



Looking like a short, obtuse Puccmia with one to three septa, and a short 

 pellucid stem. In every stage of growth free. It closely resembles a gland. 

 -B.ii'Br. ./ (i^i^. 198.) 



71 275S B 59 



