Uredinales, Pncciniaceie, Uropyxideaj, Haplopyxis. 829 



1918, p. 464. — Uredo-et teleutosoris hypopliyllis, paucis, pulvera- 

 ceis, flavescentibus; uredosporis globosis v. late ellipsoideis, 23-24 



* 19-23, tuiiica byalina v. subbyalina, minute denseque ecbinulata, 

 tenui 1 iJL cr., poris indistinctis ; teleutosporis bxte ellipsoideis 21- 

 20 ^ 20-23, utrinque obtusatis v. i^raecipue arescendo plus niinus 

 depressis, septo non v. leniter constrictis, tunica pallide cinnanio- 

 nieo-brunnea v. snbbyalina, tenui 1-1,5 |ji cr., b^vi, poiis indistinctis 

 sed apparenter biteralibus, pediceUo brevi fragili plerumque phis 

 niinus obb'que inserto. 



Hah. in fobis B e r b e r i d i s sp, [Berberidaceae], Quito Ecuador, 

 America austr. (La.gbbheim). 

 2. Uropyxis Wootoniana Arthnr, BulbTorr. Bot. Club 42. (1915) p. 585.— 2874 

 Pycnidiis non visis ; uredosoris hypophyllis, numerosis, sparsis, 

 raro confluentibus, globoso-oblongis, 0,5-1 mm. longis, mox nudis, 

 subpulverulentis, pulvinatis, pallide cinnamomeo-brunneis, apara- 

 physatis; uredosporis tereti-fiisoideis' vel ovato-fusiformibus, 35-45 



* 13-19, episporio pallide biteo vel hyabno, 2-4 (j, cr., apice ad 5-9 [a 

 incrassato, umbone hyabno ])raeditis, minute et crebre verrucosis, 

 poris 8-12 in duas zonas aequatoriales dispositis; teleutosoris hypo- 

 pliyllis uredosoris simibbus, theobrominis ; teleutosporis late ellip- 

 soideis, 23-27*^19-23, utrinque rotundatis, ad septum modice con- 

 strictis, tunica castaneo-brnnnea 3-5 |jl crassa, striis longitudinalibus 

 paralleb"s ornata, poris lateralibus indistinctis ; pedicello hyalino, 

 tereti 3-5 |Jt. cr., 145-1 G5 jj, lougo, tunica crassa lumeu, basi excepta, 

 obliterante. 



Hab. in foliis B e r b e r i d i s h a e m a t o c a r p a e [Berberida- 

 ceae], Organ et Guadalupe Mountains, ISqw Mexico. 



HAPLOPYXIS Sydow, Ann. Mycol. 17., 1919, p. 105 (Etym. ab haplos 

 simplex et Pyxis). — Teleutosporae 1-cellulares. ('aeterum ut in 

 Uropyxide. 



1. Haplopyxis Crotalariae (Arth.) Sydow 1. c, TJropyxis Crotalariae 2875 

 Arthur, Amer. Jonrn. of Bot. V, 1918 p. 429. — Uredosoris amphi- 

 genis oblongis v. irregularibus, latis 0,5-1 mm. long. mox nudis 

 pulverulentis, cinnamomeo-brunneis, epidermide lacerata tectis v. 

 cinctis; uredosporis ellipsoideis v. globosis, 23-30 * 18-26; tunica e 

 brunneo-aurata pallide flava, 2-2,5 ii cr. moderate echinulata, poris 

 germ. 6-8, sparsis; teleutosoris plerumque epiphyllis uredosoris con- 

 formibus sed 0,1-0,2 tantum cr. ; teleutosporis globosis 26-30 m- diam., 

 septo uullo; membrana hygroscopica, parte interna firma obscure 



