NEW OE NOTEWORTHY FUNGI 187 



tudinalem erumpentibus. Sporulis oblongo-ovoideis, 6-10 x 

 2-3 /x, plerumque eguttulatis. 



iSab. in aculeis Roses canines, Lap worth (Wk.), Maio ; pycnidio- 

 rum greges maciilas parvas cinerascentes efformant. 



This variety is remarkable for having in the centre of the 

 groups 1-3 larger pycnidia closely surrounded by a number of 

 smaller ones ; all have similar spores. It is connected with the 

 type (which has not yet been found in Britain) by the variety 

 major Syd. (Sacc. Sy'll. xvi, 860). The latter has scattered or 

 gregarious pycnidia erumpent by a fissure, and oblong spores 

 without guttules, 6-10 x 3 /i. ; it occurred in Germany on dry 

 fruits of Rosa inodora. 



218. Phoma Lavandula Gabot. in Nuov. Giorn. Bot. Ital. 

 1905, p. 69. Sacc. Syll. xviii, 258. 



Pycnidia on the stems, solitary, lens-shaped, somewhat promi- 

 nent, black. Spores oval or fusoid, 2-guttulate, 4 x 2ft; sporo- 

 phores acicular, hyaline, 12-14 /x long. 



On stems of Lavender, Kew Gardens, August. The plants 

 were attacked while still alive, but looking weakly. The fungus 

 agreed exactly with the description except that the pycnidia were 

 very numerous and crowded ; they were 150-200 /x diam., pierced 

 by a round pore ; texture thin, parenchymatous. The fungus is 

 probably a wound parasite ; the whole bed at Kew was being 

 gradually destroyed. 



219. Phoma lirelliformis Sacc. Syll. iii, 87. 



Pycnidia densely gregarious, arranged parallel to one another, 

 linear-oblong, ^-f x ^ mm., immersed, then erumpent by a 

 fissure. Spores ovoid-oblong, straight, 2-guttulate, 7 x 3-3^ /x ; 

 sporophores not seen. 



On branches of Rhamnus. The type not yet found in Britain. 



Var. AucuBicoLA Brun. in Act. Soc. Linn. Bord. 1888, p. 15 

 extr. Sacc. Syll. xiv, 871. 



Spores elongate-oblong, straight or curvulous, biguttulate, 

 8-12 X 3-31/x. (Tab. 542, fig. 4.) 



On dead branches of Aucuha japonica, Botanic Gardens, 

 Birmingham, March. In these specimens the parallel cracks in 

 the epidermis are strongly marked ; they are mostly transverse 

 and, while often as in the type, may reach at times a length of 

 3 mm. without any increase in width. The spores are inter- 

 mediate in form between the type and the variety. The sporo- 

 phores are subulate, 10 x 2 /x. With the P/iowa-spores were 

 mixed a small quantity of elongate, linear spores, 15-20 x f /*, 

 borne on similar sporophores : these spores seem to become 

 hooked, when freed from the sporophore. 



220. Phoma (Phomopsis) Arctii Sacc. Syll. iii, 122. 



This fungus is already known as British, but the pubHshed 

 accounts do not seem to be quite correct. It occurs on dead 

 stems of Arctium of the preceding year, in company with 

 Diaiwrthe Arctii Nits. The spores, which are lanceolate-oblong, 

 biguttulate, 7-9 x 2|-3 /x, are as near as no matter like those 



