Uredinales, Pncciniacete, Pucciniese, Puccinia. 761 



attenuatis, raedio uou vel vix coustrictis, flavesceutibus vel pal- 

 lide flavo-bruuueolis, 35-52^16-21, cellulis sensim paribus, poro 

 germiuativo cellnlae snperioris apicali, cellulae inferioris ad sep- 

 tum, raeiubraua levi, 2 [ji crassa, saepe apice incrassata, usque ad 

 6 [1, pedicello liyalino persisteuti -80 ^ 5-7, deorsuui dimiuueute. 



Hah. iu foliis S i d a e r h o m b i f o 1 i a e in regione audina Co- 

 lumbiae, alt. 1500-1800 m. — Affiuis P. Sherardianae sed distincta. 



261. Puccinia necopina Grove, Kew Bull. Misc. Inf. 1916, p. 271, 2699 

 cura icone. — Maculis rotundatis, iu superiore folii facie couspicuis, 



2-5 mra. latis, ciuereo-fuscis, purpureo-marginatis ; teleutosoris liy- 

 popliyllis, iu uiaculis ochraceo-fuscis vix marginatis dense congre- 

 gatis, orbicnlaribus, pustulatis, Vs ^^^- diametro, i^allide ochra- 

 ceis, epideruiide cinctis; teleutosporis plus minusve chivatis, apice 

 rotundatis vix incrassatis, constrictis, levibus, hyalinis, 35-28 ^ 

 15-18, pedicello brevi hyalino praeditis, episporio tenuissimo, cel- 

 lulis deuium facillime secedentibus. 



Hah. in foliis Tristemmae sp., Kipayo Uganda, Africa trop. — 

 Teleutosporae udore mox germinentes et cum basidiis stratum sub- 

 gelatinosura eftorraantes. 



262. Puccinia Heliconiae (Diet.) J. C. Arthur, Bull. Torr. Bot. Cl. 45., 2700 

 1918, p. 144. — Uredosoris {Uredo Heliconiae Diet., Syll. XIV 



p. 404) ; teleutosoris hypophyllis, sj^arsis, mox nudis, rotundatis 

 0,3-0,5 ram. diam., ciunamomeo-brunueis, epiderraide rupta ciuctis; 

 teleutosporis elongato-clavatis, 60-72 ^ 15-19, apice rotundatis septo 

 uon V. leuiter constrictis, tunica pallide ciunamoraeo-brunnea, te- 

 nui, 1 jjL, apice usque 9-13 \s. cr., pedicello brevi hyaliuo praeditis. 

 Hah. m H e 1 i c o n i a ( B i h a i ) sp. , Brasilia, B i h a i b o- 

 r i n q u e n a e et 1 a t i s p a t h a e , Araerica centr. 



263. Puccinia Brittoi Eangel, Arch. Mus. Nac. Rio Jan. 1916, p. 154, 2701 

 t. IV f. 11. — Maculis araphigenis, sparsis, v. conflueutibus, angu- 

 losis, 1-3 mm. diam., superue rubro-latericis, iuferne testaceis, li- 



nea prominula et extus halone translucido circuradatis ; soris hy- 

 pophyllis rainutis, rotundis, subpulverulentis, diffusis v. laxe ag- 

 gregatis, epiderraide velatis dein rupta cinctis; uredosporis paucis, 

 glnbosis, V. subglobosis v. ovatis, episporio hyalino usque ad 3 [i 

 cr., leniter aculeatis, 16-24 ^ 14-20, med. 20 <* 16; teleutosporis quan- 

 doque intermixtis variabilibus, late ellipsoideis, oblongis v. clava- 

 tis, cellula super. rotundata, rarius truncata v. leuiter tenuata, le- 

 vibus, medio paullulum constrictis, tunica augusta, apice non v. 

 vix incrassatis, flavo-melleis, 24-40 '^ 18-23, raed. 32 ^ 20, statira 



