Crotonogyne. \ ) 3 



Disci glandulae 5, liberae, episepalae. Stamina 7 — 1 5, libera, receptaculo crasso, valde 

 elongato, glabro affixa; filamenta libera; antherae in alabastro ereetae, longitudinaliter 

 dehiscentes. Ovarii rudimentum nulluni. Sepala Q 5, basi paulo connata et inier sinus 

 glanduligera. Petala 5, libera, latiuscula. Discus urceolaris. Ovarium 3-loculare, 

 lepidotum; styli 3, biparliti, raini bilidi. Ovula in loculis solitaria. Capsula in coecos 

 2-valves dissiliens; endocarpium crustaceum. Semina ex Müller obiter caruneulaia. — 

 Arbor vel frutex; indiimentum partium juvenilium et inflorescentiae lepidotum. Folia 

 alterna, ampla, angusta vel lanceolato-obovata, integra, penninervia, brevissime petiolata; 

 limbus basi biglandulosus; stipulae angustae, lepidotae. Inflorescentiae axillares; spicae 

 (J* elongatae; flores in axillis bractearum biglandulosarum glomerulati, subsessiles, parvi; 

 racemi Q foliis aequilongi, paueiflori; flores Q quam qj 1 majores, rigide pedicellati. 



Species notae 2 Africam occidentalem tropicam incolentes. 



Nota. Species plures a nie ipso et a botanicis anglicis descriptae nunc melius e genere 

 exeludendae sunt. 



Glavis specierum. 



A. Folia basi haud cordata 1. G. Manniana. 



B. Folia basi cordata 2. C. Preussii. 



1. C. Manniana Müll. Arg. in Flora XLVH. (186 4) 535; in DG. Prodr. XV. 2. 

 (18 66) 721. — Frutex 3 — 4-metralis; ramuli teretes, juniores cum stipulis et tota in- 

 florescentia lepidoto-squamosi. Petiolus 5 — 15 mm longus; limbus 18 — 25 cm longus, 



6 — 10 cm latus, lanceolato-obovatus, basi supra biglandulosus, breviter acuminatus, 

 basin versus longe spathulato-angustatus, supra fusco-nigricans, subtus pallidior, niti- 

 dulus, evolutus glabratus, integer; stipulae oblongo-triangulares, acuminalae, 7 mm 

 longae. Spica q 1 dissite glomeruliflora, limbum aequans; racemi Q distanter 4 — 6-flori, 

 foliis aequilongi; pedicelli <J elongati, validi, fruetigeri 2 cm attingentes, compressi, 

 superne latiores. Calyx (J 1 2^2 mm longus, § 5 mm longus, lobi oblongo-ovati, ob- 

 tusi, margine basi grossiuscule biglandulosi, lepidoti; petala utriusque sexus 5, Q late 

 elliptica, glabra; disci q? glandulae liberae, 5; stamina circ. 15; filamenta glabra. 

 Ovarium lepidotum; styli bipartiti, rami bifidi. Capsula 9 mm longa, 11 mm lata, 

 globoso-tridyma, lepidibus argillaceo-ferrugineis dense puneticulata. Semina laevia. 



Westafrikanische Provinz: Fernando-Po (Mann n. 219, 220). 



2. C. Preussii Pax in Engler's Bot. Jahrb. XXIH. (1897) 524. — Arbor ad 5 — 



7 m alta, lepidota. Petiolus 5 — 18 mm longus, crassus; limbus 40 — 55 cm longus, 

 6 — 13 cm latus, chartaceus, spathulato-lanceolatus, breviter cuspidato-acuminatus, basin 

 versus longe euneato-attenuatus, ima basi auriculato-cordatus et supra biglandulosus, 

 adultus utraque pagina, praesertim subtus sparse lepidotus, integer; costae seeundariae 

 utrinque 16 — 20; stipulae 1 cm fere longae, e basi triangulari acuminatae, lepidotae. 

 Spicae utriusque sexus valde elongatae, simplices vel parum vel vix ramosae, rf ad 

 60 cm attingentes; rhachis lepidota; glomeruli florum q? 1 — 2 cm inter se distantes, 

 valde multiflori; pedicelli q? dz 3 mm longi, filiformes; bracteae 2-glandulosae. Calyx 

 (J 1 in alabastro globosus, apiculatus, demum valvatim 2— 3-partitus, extus lepidotus; 

 petala 5, libera, glabra, late ovata, obtusa, vix 1 mm longa, calycem subaequantia ; 

 stamina 7 — 8; glandulae 5, liberae. Sepala Q 5, triangularia, subacuta, extus lepidota, 

 inter sinus glandula urceolari aueta; petala glabra, orbiculari-ovata, obtusa; ovarium 

 lepidotum. Capsula leptodermis. — Fig. 2 4 A — E. 



Westafrikanische Waldprovinz: Kamerun, Urwaldbaum, Victoria (Preuss 

 n. 1220!, Winkler n. 355!), Lom (Ledermann n. 6472!), Kribi (Mildbraed 

 n. 6105!), Molundu (Mildbraed n. 4440!). 



Species exeludendae. 



Crotonogyne angustifolia Pax in Engler's Bot. Jahrb. XIX. (1894) 82 — 

 Neomanniophyton stenophyllum Pax. 



C. argentea Pax in Engler's Bot. Jahrb. XXXIII. (1903) 283 = Cyrtogonone 

 argentea (Pax) Prain. 



A. Engler, Das Pflanzenreich. IV. (Embryophyta siphonogama) 147. VI. 8 



