eh 
solitariis, semper fere marginalibus, brunneis ; sporis fasciculatis , 
longe clavæformibus, inæquilateralibus, medio constrictis, cellula 
superior vertice inæquali obtusa, 25 mm. long., 14 mm. crass., cellula 
inferior in pedicello angustata , 30-34 mm. long., 2 mm. crass, epis- 
porio tenui, lævi, dilute fuscis ; pedicello longissimo, curvato, hyalino, 
62 mm. long., 8 mm. crass. — Ægyptus superior : ad folia viva Cen- 
taureae napifoliae Lin. Leg.— Com. D'. C. Keck. 
II. Uromyces pictus Thüm. — U. acervulis dense gregariis , 
orbiculatim dispositis , hypophyllis, in macula indistincta, subexpal- 
lida , badiis , firmis sed liberis, mediis, verruculæformibus ; sporis 
globosis vel late ellipticis, utrinque rotundatis , episporio tenuissimo , 
lævi , fuscidulis, 22-30 mm. diam.; pedicello longissimo , facilime 
caduco , subarcuato, usque ad 58 mm. long, # mm. crass., subæ- 
quali , hyalino, imposito. — Abyssinia : in foliis vivis Abutilonis elaeo- 
carpoidis Webb. Leg. — Com. Dr. C. Keck. 
111. Uromyces Sidae Thüm — U. acervulis hypophyllis, soras 
solitarias orbiculatas formans , dense gregariis , mediocris , eleva- 
üis, pustulatis demum confluentibus , firmis, castaneis in macula 
indeterminata grisea , in pagina superiore maculam purpureo-fus- 
cam formans ; sporis globosis vel late ovoideis, sæpe apice vertice- 
que subangustato-acutatis, episporio subtenui, lævi, vertice valde 
incrassato , intus homogenis, 25 mm. long., 46 mm. crass., pedicello 
subareuato , hyalino, æquali, 20-22 mm. long., 5 mm. crass. — Ab 
Uromycete picto Thüm. vertice crassissimo , pedicello breviore , etc., 
valde diversus. — Kordofan australis: pr. Mulbes ad folia viva Sidae 
spinosae Lin. VIT, 1875,—Leg. Dr. J. Pfund. 
IV. Capnodium Richardi Thüm. — C. macalis epiphyllis, late 
effusis , tenuibus , atris, grumosis, detergibilibus , solubilibus , sæpe 
folia fere toto occupans ; mycelio repando e floccis sublongis, arcuatis, 
moniliformibus, plerumque simplicibus, articulatis, fuscis composito; 
peritheciis subcarnosis, globosis, numerosis, fuscis ; sporis octis 
ovatis, fuscis, uniseptatis, 6-9 mm. long., 4 mm. crass. in asco 
elliptico , fusco, caduco , plerumque 20 mm. longo, 10 mm. crasso. 
—Insula Madagascar : ad Sorindeiae ma‘lagascariensis Pet. Th. folia 
viva, — Leg. M. Richard. 
V. Ophiotrichum Acaliphae Thiüm—0O. maculas stellari-ramosas vel 
radiantes , epiphyllas, orbiculatas, primo albidas demum ochraceas, 
gregarias , postremo grumosas formans ; tubulis externis dilute fus- 
ais ; tubulis internis hyalinis, magnis , longis, interdum septatis , 
apice acutatis ; sporis longe elliptico-ovoideis , vertice subobtusatis , 
apice subacutatis, bi-triseptatis, ad septas non constrictis, fusco- 
bruneis, 12 mm. long, 5 mm. crass. Insula St.-Domingo: ad folia 
viva Aculyphae laevigatae Sw. — Leg. — Com. Dr. C. Keck. 
VI.? Helminthosporium martinicense Thüm. — H. maculas amphi- 
genas, atras, radiatim orbiculatas, effusas, nitidas, solitarias formans ; 
hyphis rigidis , subulato-strictis, erectis, simplicibus, obscure fuscis, 
ut videtur non septatis, sursum sensim angustatis, apice acutatis ; 
