556 Hyphomycetefe, Macedineae, Phragmosporffi, tlamulana, 



tenas dispositis, fusoideis vel subcylindraceis, utrinque. rotundatis, 

 rectis, 10-16 s 2-3, hyalinis, dein 1-septatis 



Hab. in foliis vivis Violae silvatic?e, Dalmally prope Loch 

 Awe et Inveraray Scotiae. — Affinis R. laclecn. 



16. Ramularia Areoia Atkinson in Bot. Gaz. 1890, p. 168 c. icone. 7264 



— Maculis hypofthyllis, raro amphigenis, primo pallidis, dein ob- 

 scurioribus, 1-10 mm. (ssepius 3-4) lat., angulosis, irregularibus, 

 veiuilis folii limitatis; hyphis hypophyllis, raro amphigenis, minute 

 fasciculatis, subnodosis, demum saepe basi raraosis v. rarius supra 

 denticulatis, pluries septatis, hyalinis, 25-75 =; 4,5-7; conidiis ob- 

 longis, utrinque saepe abri.pte acuininatis, interdura rotundatis, 1- 

 3-septatis, priinitus concateoatis, 14-30^4-5. 



Hab. in foliis Gossypii herbacei. Auburn Alabaraa Ainer. 

 bor. (F. Atkinson). 



17. Ramularia SidalceaB EII. et Ev. Joarn. Myc. 188S, p. 1. — Ma- 7265 

 culis amphigenis, 2-4 mm. diam., atro-purpureis, centro sordide 

 albidis v. griseolis, margine subindefinitis; hyphis fertilibus hypo- 

 phyllis, e stomatibus in caespitulos densos assurgentibus, hyalinis, 

 simplicibus, 15-20 c; 3, sursum subdenticulatis et subangulose incur- 



vis V. integris; conidiis subcatenulatis, hyalinis, oblongis v. oblon- 

 go-cylindraceis, continuis v. 1-septatis, 12-22:2 2,5-3. 



Hab. in foliis Sidalceae, Columbia britannica Amer. bor. 

 (Prof. .J. Macoun). 



18. RamuJaria siienicola C. Mass. Contr. Mic Ver. p. 110, t. 4, f. 26. 7266 



— Cffispitulis araphigenis, numerosissimis, effusis, subpunctiformi- 

 bus (ut folia infecta, sub vitro parum augente, fere granulis fari- 

 naceis conspersa appareant), subcinereis, haud raaculigenis; hyphis 

 fertilibus, 16-36 y.. long., dense fasciculatis, ex stomatum ostio- 

 lis egredieatibus, rectis, siraplicibus, apicem versus minute subden- 

 ticulatis; conidiis 10-16 c; 4-5, continuis, catenulatis, elliptico-oblon- 

 gis, utrinque magis rainusve raanifeste apiculatis. 



Hab. in foliis Silenes inflatap, Tregnago in agro veronensi 

 Ital. bor. — R. lychnicolce valde affinis, sed non raaculigena co- 

 nidiisque apiculatis. 



19. Ramularia didymarioides Br. et Sacc. sp. nov. — Maculis inde- 7257 

 terminatis, subochraceis, caespitulis aiuphigenis, dense et late gre- 

 gariis, punctiformibus, albis; hyphis fasciculatis, filiformibus, siin- 

 plicibus, 90-100 c; 4-5, sursura denticulatis, continuis; conidiis te- 

 reti-oblongis, apice rotundatis, basi obtuse subtenuatis, 1-septatis, 

 dein 2-septatis, 28-36 -zi 8-9, hyalinis. 



