SPH^EOXEMEI. 437 



1234. DilophospoTa graminis. Desm. " Grass Dilophospora." 



Perithecia minute, covered with a blackened crust, seriate, sub- 

 connate, globose, immersed in a wbitisb stroma, ostiola puncti- 

 form, black, disc white ; spores straight, with 2-3 filiform append- 

 ages at each end. — Gard. Chron. (1862.) Fajj. f. 256. B. ^- B?\ 

 Ann. N.H. no. 10-40. Desm.exs. no. 1091. Ann. Sc. Nat. (1840) 

 xiv. 1. 1,/. 2. Fckl. exs. 558. 



On sheaths and spike of Alopemrus agrestis. 



The two or three glumes at the base are tolerably perfect, while the top 

 looks as if it had been pinched up into a point when young, and after^.vards 

 charred. The outer coat is black and glossy, studded here and there -ndth 

 minute punctures, surrounded like a little eyelet hole, with a white border, 

 which leads down to a subglobose cell, the walls of which are clothed with a 

 white or greyish gelatinous mass of spores. — J/. J.B. 



{Fig. 159, sjjores magnified.) 

 Gen. 116. DARLUCA, Cast. 



Perithecia delicate ; spores containing a row 

 of sporidiola, oozing out and forming a tendril. 

 ' — Berk. Outl.j:). 318. {Fig. 160.) 



Fig. 161). 

 1283. Darluca filum. Cast. " Parasitic Darluca." 



Gregarious, very minute. Perithecia globose, black, shining, 

 pierced ; spores hyaline, oblong, straight, containing four minute 

 sporidioles. — Berk. Outl. p 318. Hendersonia uredinoecola, Desm. 

 Ann. Sc. Nat. 1849, xi. p. 345. Sphceria filum, Fr. S.M.ii.p. 

 547. 



On various Uredines. 

 The spores are about '00055 in ("GIG m.m.) long. Fig. 160. 



1286. Darluca typhoidearum. B.SjBr. " Club mace Darluca." 



Scattered, immersed ; perithecia minute, globose, blackish- 

 brown ; ostiola naked, papillate, pierced ; spores oblong, straight, 

 rather obtuse at the ends, sub-fusiform, with four globose spor- 

 idioles. — Hendersonia typhoidearum, Desm. Ann. Sc. Nat. June, 

 1849.ea:s.no.l891. B. ^^ Br. Ann. N.H. no. 4:17 . Rahh.F.E.no.4.D. 



On leaves of Typha and Sparganium. Feb. (Fig. 160.) 



1287. Darluca macropus. B.^^Br. " Sedge Darluca." 

 Perithecia depressed, somewhat collapsed ; spores pedicellate, 



