

- 





431 



both rising from the same hymen 

 sidering the time when it was done 



con 



90 J?~ s P ores filifora », flexuous or mostly hamate. 

 I ~^-25 x 0*5-0'75 //, on very short sporophores. 



C-Bpores fusoid or fish-shaped, acute at both ends, 

 plunguttnlate, 12-15 x 25-3-5 fx, on sporophores 



varying from about ai long to hall aa long again 



(Pig. 2, b.) 



%% 





% • ! fl V I "a A " v 



. r 



*»* ^ _ 



Fig. 2. a, Phomoptis Spiraeae ; 6, A, B, and C spores of P. Phytolacca*; 



icina 



The shape of the C-spores resembles that of a fish from which 

 all the fins have been removed. If they stood alone they would 



pass for a Fvsicoccum, as in Diaporthe leiphaemia, Sacc. But, 

 m some pycnidia, every possible length of spore between 10 and 

 15 /a could be found, although A and C spores were usually 

 separated. 



It will be noted that Berkeley describes the pycnidia of his 

 Septoria phlyctaenoides (I.e.) as " hysteriiform "; such pycnidia 

 dp occur on the same stems side by side with the lens-shaped 

 papillate pycnidia, but on examination both kinds were found 

 to contain exactly similar spores. Saecardo notes (Svil. iii. 139) 

 the presence of two kinds of spores (A and C), just as Berkeley 

 did of the A and B spores on Datura, but in both cases without 

 realising their significance. 



Since Diaporthe (Eu.) aculeata (Schwein.) is common in the 



same region as the Phomopsis, and occurs with it, they are 



probably connected, though this -would contradict the theory 

 expressed supra, p. 179. 



830. Phoraa atriplicina, Westd. 



Phomopsis atriplici> t a, Grove, 

 egaiious, arranged more or less longitudinally on 



the stem, oval-oblon<r. 300-500 



the blackened epidermis which is at length pierced by the small 

 black papilla ; when mature the blackened epidermis forms a halo 

 round the pyenidiuni, finally the whole of the upper part falls 

 away and leaves a dingy-white pit. Spores fusoid, acute at both 

 ends, biguttulate, 8-9 x 2*5 a; sporophores subulate, 12-20 ft 

 long. (Fig. 2,c.) 



Belg. no. 1233!). 



vr 



