Coohe M.F. iii. / . 35. Coohe exs. no. 22. Eng. FI. t . p. 359.
Fckl. exs.no. 319. Kl.exs.no. 679. Berk. exs. no. 105. Puccinia
potentillw. Grev. t. 37. Bull. t. 504,/. 14. Corda. iv ./. 72.
leaves of barren strawberry. (Potentilla fragariastrum.)
Gen. 1 6 6 . TRIPHRAGinivni, Link.
Spores trilocular; septa mostly vertical
and horizontal.—Berk. Outl.p. 332.
{Fig.292.)
Fig. 201.
1 4 6 1 . T r iph ra gm lum ulmariae. U n k . “ Meadow Sweet Brand.”
U e e d o - s p o r b s . Effused, broad, pulverulent, on leaves and
petioles; spores subglobose, deep orange.— TJromyces ulmarice,
Lev. Cooke M.F. t. l , f 147,148. Cooke exs. no. 75. Uredo ulmarice,
Mart. CcBoma miniatum, Pers. Uredo effusa, Ena FI y v
381. Grev. 1.19. Cooke L .F. no. 2b. '
B r a n d - s p o r e s . Spots obliterated; sori at first subrotund,covered
with the epidermis; at length, when the cuticle has vanished,
effuse; spores brown, subturbinate, divided by a vertical dissepiment,
shortly pedicellate.—Link. Sp. ii.p. 84. Cooke M.F. t. iii.
/ 48. Cooke exs. no. 23. Fckl. exs. no. 317. Cooke L .F. no. 4.
Corda. iv ./. 73. P a y .f. 250. Kl. exs. no. 271, ii. 366. Berk. exs.
no. 343. Puccinia ulmarice, Eng. FI. Y .p . 368. Moug. exs. no. 891.
On leaves of meadow-sweet [Spircea ulmaria). Autumn.
Common. {Fig. 201, spores magnified.)
Gen. 167. PUCCINIA, Pers.
(1) Uredo spores subglobose,
(2) brand spores uniseptate,
supported on a distinct
peduncle.—Berk. Outl. p. 329.
(Fig. 203.)
Fig. 202.
I t ia probable that, when better
known in their development and
mutationa, many forms now regarded
as distinct species wiU have to be
united.
1 4 6 2 . P u c c in ia g r am iu is . Pers. “ Corn mildew.”
U r b d o - s p o r e s . Spots yellow, heaps oval, scattered, generally
on the upper surface ; epidermis at length bursting longitudinally;
spores subglobose, reddish-brown, easily dispersed.—Trichohasis
rubigo-vera, Cooke M.F. t. 7. figs. 140,149. Cooke exs. no. 24.
Uredo rubigo, Eng.FI. Y.p . 375. Vredo linearis, Eng. FI.y.p. 375.
B r a n d - s p o r b s . Spots pale, diffuse; sori linear, confluent,
amphigenous; spores at length black, clavate, very slightly
constricted.—Cooke M.F. t. 4, / . 57-59. Pers. Disp. t. 8 ,f. 3.
Moug.exs.no. Qlb. Cooke exs.no.21. Corda.iY.f.21. Fckl. exs.
wo. 319. Kl.exs.no. 19. Bisch.f. 3811. Bon. t.i. f . 10. Ann. Sc.
Nat. [1854), t. 9 , f 1-8. Uredo frumenti. Sow. t. 140.
On leaves and culms of corn and grass. Autumn. Very
common. [United States.]
The variety on reeds is very similar, but quite distinct from P. arundinacea,
both in habit and fruit.
1 4 6 3 . P u c c in ia a ru n d in a c e a . Hedm. “ Beed Brand.'
Sori elliptic or linear; spores oblong or sub-
■Trichobasis linearis. Lev. Ann. Sc. Nat. ?
U r b d o - s p o r b s .
globose, yellowish.—
B r a n d - s p o r b s . Amphigenous; sori elongated, often confluent,
emersed, convex, prominent; spores brown, attenuated in
both directions, constricted at the joints, apiculate, on long pedicels.—
Hedw. in Buby. Bot. Ii.p. 889. Corda. iv./. 30. Cooke Seem.
Journ. iY.p. 91. Cooke exs. no. 2b. Fckl. exs. no. 320.
On reed. Common.
Differing in habit from the var. amndinis of P . graminis, the sori are larger
and less numerous, and the spores very distinct.
1 4 6 4 . P u c c in ia s tr io la . Link. “ Sedge Mildew.”
U r b d o - s p o r e s . Spots red; sori oval, minute, scattered, surrounded
by the ruptured epidermis; spores subglobose, reddish,
then brown.—Trichobasis caricina. Cooke M.F. t. 8,/. 170, 171.
Cooke exs. no. 67. Cooke L .F. no. 33-35, Uredo caricina, Eng.FI.
Y. p . 316. Grev. 1.12.
B r a n d - s p o r b s . Spots pallid; sori linear, crowded, distinct,
subconvex ; spores at length black, oblong and slightly constricted,
or obovate, and not constricted.—Link. Sp. ii.p. 61.
Desm. exs. no. 611. Eng. F I .Y .p .363. Cooke M .F .p . 196. Kl.
exs. no. 468.
On sedges, rushes, &c. Autumn. [United States.]