28 Messrs. Berkeley and Broome on British Fungi. 
brevissimo nigro; capitulo niveo globoso ; sporis minutissimis 
globosis. 
Glamis, Rev. J. Stevenson. Scattered on dead wood, on 
which it looks like a very minute Didymium. ' 
Spores too small to admit of measurement. 
1714. 8S. orbiculare, B. & Br. Album; plantulis sparsis 
gregariis e macula alba pulverulenta oriundis ; stipite cylin- 
drico tomentoso apice quandoque velo lacerato ornato; capitulo 
loboso ; sporis oblongis minutis. 
On Lindbladia effusa. Aviemore, Rev. J. Keith. Forming 
patches an inch or more in diameter ; springing from a white, 
thin, pulverulent stratum, which is at length stained by the 
Lindbladia. . 
Spores 0002 inch long. 
At first sight it looks like a parasitic Hydnum. 
Puate III. fig. 4. a, plant, nat. size; b, a portion, magnified ; c, spores 
of Lindbladia ; d, spores of Stilbum, magnified. 
* Aigerita candida, P. Syn. p. 684. 
A fawn-coloured form was found at New Pitsligo by the 
Rev. J. Fergusson and at Killin by the Rev. M. Anderson. 
A form also occurred at Glamis on herbaceous stems, Steven- 
son, no. 156.  Crocysportum torulosum, Bonorden, tab. iv. 
fig. 90, is evidently the same thing. 
* Peronospora violacea, B. Outl. p. 349. 
On petals of Knautia arvensis. As some doubt has been 
expressed about this species, which was found June 30, 1859, 
it has been thought advisable to give a figure. 
PuaTeE IT. fig. 5. Flocci with spores in situ, magnified. - 
*P. calotheca, De B. Ann. d. Sc. Nat. 1863, p. 111. 
On Asperula odorata. Rev. J. Fergusson. 
1715. P. affinis, Rossman, in Rab. Herb. Mye. ii. no. 489. 
On Fumaria. King’s Cliff. Distorting the plant. 
1716. Dactylium cervinum, B. & Br.  Effusum, pallide 
cervinum ; floccis ramosis articulatis; sporis obovatis unisep- 
tatis deorsum apiculatis. 
On Cytisus laburnum. Ballinluig, Rev. J. Stevenson, 
no. 989. Lambley, Notts. 
1717. D. spirale, White. Candidum e macula tosta oriun- 
dum, floccis spiralibus simplicibus ; sporis magnis uniseptatis 
medio constrictis, utrinque obtusissimis. Sc. Nat./. c. p. 161, 
tab. 2. f. 3. 
On the underside of leaves of Polygonum viviparum. Glen 
Tilt, Dr. Buchanan White. Forming little white patches 
