extimi saepius rectangulariter patentes, subulati, raro aequales, recti vel vix
curvuli; conidia ovoidea, 10 -2 7= 1 7 - 18 , pallido sordideque violascentia; oosporae
(a me frustra quaesitae) sphaeroideae, perinio aspero cinctae, 35-
40 y. d.
Meo sensu est var. magis evoluta Per. Arthuri
Peronospora candida Fuck. Fungi rhen. n. 38, Beri, et De Toni in Sacc.
Syll. VII, Pars 1, p. 258. Fischer Phycom. p. 4Ò5 Peronop. Anagallidis Schroct.
in Iledw. 1874, p. 48, Rab. Fungi eur. n 1748, Beri, et De Toni 1. c, p 248,
Peron. Androsaces Niessl in Hedw. 1874, p. 181, Rab. 1. c n. 187.5, Beri, et
'De Toni 1. c p. 260 Peron. Oerleliana Kühn in 1. c. n 3177 Sacc. Syll. IX,
p. 342 Peron. interstitialis B. et Rr. Ann. N. II. n, 1455 Beri, et De Toni 1.
c. p. 259.
Ilab. in fo liis Primularum, Anagallidis coerulae, Androsaces septentrionalis,
A. elongatae eie. in Germania (Tab. LVII. — Ex specim. a Lagerheim lectis
in Andros, septenir., cum iis originai. Per. Andros, compar.).
Caespituli densi, albi vel albido-violascentes; conidiophori 45o-ó5o - 8-10,
superne 5 -7- ies ramosi (subinde etiam lo- ies ramosi), rami inferi ct medii
acutangulo-divergentes parum curvi, extimi rectangulariter vel obtusangulo-
patentes, incurvati, saepe inaequales; conidia ovoideo-ellipsoidea, 22-26 - i6 -
20, griseo-brunneola; oogonia tunica tenui, achroa, fugaci cincta, oosporae
perinio a periplasmatc sat mutato formato, laevi vel rugoso irregulariter angulato
cinctae, 3o -33 y. d.
Peronospora sordida Berk, in Ann. a Mag. Nat. Ilist. 1861, p. 449, Beri,
et De Toni in Sacc. Syll. VII, Pars I, p. 2Ó2. Fischer Phycom, p. 481.
Ilab. in fo liis Scrophulariae altaicae, S. aquaticae, S. nodo.sae, Verbasci Thapsi,
V. Thapsiformis , V. Blattariae et Digitalis purpurcae in llalla, Belgio, Gallia,
Britannia, llungaria, Auslria, Helvetia. Germania, Neerlandia el Amer. bor.
(Tab. LXIII, fig. I. — Ex specim. a cl. Linhart in Fung. hung, exsicc. sub
n. 460 editis, cum aliis pluribus compar.).
Caespituli densi, sordide violascenti-gisei; conidiophori plures coaliti, 35o-
55o = 8-10, superne 6-8-ies ramosi, inferi et medii subrecti, ceteri distincto
curvi, extimi rectangulariter divergentes, subaequale s vel terminalis quam lateralis
longior, arcuatus ; conidia ellipsoidea, 24-28« 18-22, pallide lutc .xcnt i -
violacea; oosporas in speciminibus pluribus frustra quaesivi,
Meo sensu a Peron. Linariae vix diversa ct aeque distinguenda
Peronospora lapponica Lagerh. in Bot. Not. 1889, p. 49, cum ic. Sacc.
Syll. IX, p. 344.
Hab. in Succia ad folia Euphrasiae ofPicinalis (Specim non vidi et diagnos.
refero),
Conidiophori arborum modo repetitc divisi, ramulis rectis vcl subrectis,
singuli erurnpentes, 658-/00 = 1 2, caespitula grisea iormantes, rami torminales
erecti; conidia citriformia 3o - 3 6» 19-24. pallide violascentia; oosporae globo.sac
perinio pallide fusco praeditae 27 v. d.
Peronospora sparsa Bcrk Gard. Chron. 1862, p. 208, Bcrl. et De Toni in
Sacc. Syll. VII, Pars I, sp, 263, Fischer Idiycom. p. 464.
Hab. in foliis Rosac in Briiannia, Germania et America boreali. (Tab. LVIII,
F x specim. a cl. Ellis in Norili Am. Fung. exsicc. .sub n. 1415
cditis).
Caespituli albi, molles, parvi; conidiophori graciles, 350-420 » 6-8, superne
4-ó- ie s ramosi; rami omnes patentes, saepius rectangulariter divaricati, cxlimi
subulati, longiusculi, graciles; conidia late ellipsoidea. 20-22 = i5 - i8 , hyalinula;
oosporae nondum descriptac.
Peronospora Antirrbini Schroet. in Iledw. 1874, P- i 77- Lerl. et De Toni
in Sacc. Syll. VII, Pars 1, p 255, Fischer Phycom! p. 469.
Hab. in fo liis Antirrbini Orontii in Germania (Tab. LIX. — Ex .specim.
orig. in Herb. Sacc. .servalis).
Caespites densi, totum vel fere totum folium occupantes, violascenti-grisci ;
conidiophori griseo-violascentes vcl brunncoli, 280-320 - 8-9, superne 6-7- ies
ramosi, rami patuli, graciles elongati acutangulo divergcntes. extimi vero saepe
rectangulariter divaricati, recti vel parum incurvati, subaequales ; conidia ellipsoidea
vel ovoidea, 25 27« 15- i 7, violascentia ; oogonia tunica crassa lutea,
persistenti praedita, oosporae perinio a pcriplasmate vix mutato formato cinctac
50-36 y. d.
Oogoniorum et oosporarum fabrica Sclerosporas in mentem revocai.
C Sectio Undulatae
Conidiophori ramis omnibus plus minusve curvis, ultimis semper curvis, longitudine
aequalibus, rectangulariter divcrgentibus. subinde forcipatis vel valde
recurvatis
Peronospora Linariae Fuck. Fungi rhen. n. igoS, Symb. myc. p. 70. Beri,
et De Toni in Sacc. Syll. VII, Pars ], p. 255, Fischer l’ hyc. p. 471.
Hab. in fo liis I^inariac minoris. L. canadensis, L. vulgaris. .-Xntirrhini Orontii
e i Digitalis ambiguae in Germania et Amer. bor. (Tab. LX. — Ex specim. a
Rab. -Wint in Fung. eur. sub n. 2772 cditis),
Caespituli laxiuscLili, primo albi dein violascentes vel violasccnti-luteoli ;
conidiophori solitarii vcl bini, rarius plures coaliti, 450-600 « 8-g, superne 5 -/ -
ics ramosi, rami inferi et medii undulati, exlimi recurvati suhuiatique; conidia
ellipsoidea, 24-28 » 18-22, pallidissime violascentia; oogonia tunica crassa, lutea,
à