1 ![,-9 mm. apice 7-8 mm. latus; limbus remotissime minute 
acuteque denticulatus. Petala ut videtur flava, late obovata: 
satis asymmetrica, plus minusve inaequalia, tenuiter mem- 
branacea, grosse 7-9-nervia, intus glabra, extus tenuissime 
sparseque punetato-furfuracea, apice subtruncata et longius- 
cule aristato-apieulata, 5-4 em. longa, 2-5 em. lata. Stamina 
ori calycis inserta, filamentis brevissimis; antherae liberae, 
biloeulares 7-8 mm. longae, 5 mm. latae. Pistillodium nullum. 
Rami cirrhi flores feminei et fructus ignoti. 
Habitat in Gabonia 20 sept. 1884 (D* R. Büttner, n. 20 in 
herb. Berol.). 
4. Cogniauxia cordifolia Cogn. sp. nov. foliis pro gencre 
parvis, ovato-cordatis, apice aculis, margine undulato-subere- 
nulatis, utrinque tenuissime valde reticulatis, supra ad nervos 
vix puberulis caeteris glabris, subtus brevissime ct densiuseule 
puberulis; cirrhis bifidis; racemis masculis folio multo longio- 
ribus, pedicellis sub apice bracteatis; calyce dense furfuraceo- 
puberulo. 
Rami salis graciles, sulcati, leviter furfuraceo-puberuli. 
Petiolus satis gracilis, obscure angulatus, brevissime denseque 
paberulus, 2-5 em. longus. Folia rigidiuscula, supra laete viri- 
dia,subtus cinerea, 9-11 em longa, 6 1/,-9 em. lata; sinus basi- 
laris anguste subrectangularis, 2-5 em. profondus, !/,-2 cm. 
latus; nervi laterales imum sinum marginantes. Cirrhi robus- 
tiuseuli, elongati, suleati, leviter, furfuraceo-puberuli. Pedun- 
culus communis masculus robustiuseulus, profundus cule stria, 
tus, brevissime puberulus, fere usque ad medium floriferus, 
11/,-2 dm. longus; pedicelli erecto-patuli, satis graciles, leviter 
puberuli, 10-14 mm. longi. Bracteae lineares, arcuatae, rigi- 
diuseulae, dense furfuraceo-puberulae, 6-8 mm. longae. vix 
1 mm. latae. Calycis tubus obscure 10-costatus, inferne vix 
inerassatus, apice abrupte dilatatus, 1 ,'/, em. longus, ad medum 
