01(1 TTr(Mliiiacc;e, nymnosporangium. 



mesophylln sitis, 2-4-cellularibus, globosis, lB-19 a. cliara.. tunica 

 liyalina, teuui, usfj[ue ad 1 a. cr., levi. 



Hah. in foliis Ph ogo pterid is Dr y op tf rid i s. Wisconsin 

 Amer. hor. J. J. Davis). 

 2 Uredlnopsls Pteridis Dirt ct Holw. — Syll. XIV, p. 407 [Uredo) 2372 

 t't XVI p. 271. var. congensis P. Henn . in Fl. Du Bas- et 

 Moy.-Congo, Ann. Mus. du Congo v. II, fasc. II (1907) p. 92, — 

 Maculis fuscidulis, rotundatis vel effusis, uredosoris hypophylHs, 

 sparsis v. gregariis rotundatis, epidermide fuscidula prirao tectis; 

 uredosporis clavatis v. fusoideis, hyalinis, 25-50 * 10-17 apice acu- 

 tatis, una serie aculeorum obsessis. 



Ilah. in foliis Pteridis aquiliniu, Hindu, Congo, Africaj 

 trop. (Vandervst). 



GYMNOSPORANGIUM Hedw. — Syll. VH p. 737, IX p. 314, XI p. 205, 

 XVI p. 314, XVn p. 271, 461. 



1. Gymnosporangium inconspicuum Kern, Bull. Torr. Bot. Cl. XXXIV 2.373 

 (1907) p. 461; Mycologia 1 (1909; p. 209, 2 fig. — Teleutosoris 



in ramulis plerumque herbaceis insidentibus, sparsis v. plerumque 

 aggregatis v. confluentibus, oblongis. pulvinatis, 0,4-1 mm. latis, 

 usque 1,5 mm. alt., rubro-brunneis; teleuto-sporis oblongo-ellipsoi- 

 deis 55-80 « 25-29 apice rotundatis v. acutatis, basi obtusatis, tu- 

 nica tenui, 1 |x. c. cr., flavo-aurata, levibus, pedicello hyalino, ca- 

 rotiformi, prope sporam incrassato, 25-65 [x., longissirao; poro ger- 

 minativo in quoque loculo singulo, in superiore apicali, in inferiori 

 ad pedicellum approximato. 



Hah. in ramulis .Tuniperi (Sabinte) utahensis, Glcn- 

 wood Springs Colorado Amer bor. (Arthur et Kern). 



2. Gymnosporangium durum Kern. Bull. Torr. Bot. Club, XXXIV 2371 

 ]). 469. — Teleutosoris in excrescentia sphgeroidea galheformi 0,5- 



B cm. diam., firma, insequaliter dispositis, irregulariter applanatis, 

 1-1.5 mm. cr., usque 3-5 mm. altis, ssepe confiuentibus, vivide ca- 

 staiieo-brunneis; teleutosporis anguste ellipsoideis 50-65*18-22, 

 utrincjue angustatis, septo leniter constrictis, membrana pallide 

 cinnamomeo-brunnea, 1-1,5 [j.. cr., levi, pedicello hyalino, cylin- 

 draceo, uniformi, 4-6 [j.. diam.. longissirao; poris germinativis 2 

 in quoque loculo ad septum approximatis. 



Hah in ramis Juniperi (Sabinge) utahensis, Colorado 

 Amer. bor. 



3. Gymnosporangium Betheli Korn, BuII. Torr, Bot. Club, XXXIV 2375 



