Gaperonia. . 39 



hispidum ; styli ad medium in lacinulas 4 — 5 partiti. Capsula tricocca, 6 mm longa, 

 hispida. Semina 3y 2 mm l° D g a > % l li mm ^ a ^ a » fulvo-lutescentia vel fulva. 



Westafrikanische Waldprovinz: Mittleres Nigergebiet, Nafadie, in 

 Sümpfen (Chevalier n. -157!). — Oberes Nigergebiet, Samandiny (Chevalier 

 n. 2633). — Mittleres Scharigebiet, am Iro-See, Koulfe (Chevalier). — Unteres 

 Scharigebiet, Baguirmi, zwischen Mandjafa und Bousso (Chevalier n. 10 442). 



15. C. gallabatensis Pax et K. Hoffm. n. spec. — Annua, inermis, 25 — 35 cm 

 alta; caulis ramosus, setulis rigidis, patentibus, apice saepius glanduligeris obsitus, 

 superne densissime vestitus, inferne paulo tantum glabrescens. Petiolus 6 — 10 mm 

 longus, hispido-setosus; limbus 6 — 12 cm longus, 1 y 2 — 3 cm latus, lanceolato-ellipticus 

 vel lanceolatus, acutus vel breviter acuminatus, apice ipso saepe obtusus, mucronulatus, 

 basi acutus vel subobtusus, serratus, membranaceus , glaber vel subtus secus costam 

 parcissime pilosus; costae secundariae utrinque 8 — II, rectae; stipulae lanceolatae, acu- 

 minatae, 3 mm longae. Spicae cum pedunculo 4 — 7 cm longae, foliis breviores vel ea 

 subaequantes, aut omnino cf, aut bisexuales et tum flores Q 1 — 3 proferentes; rhachis 

 cum pedunculo 1 y 2 — 2V2 cm l° n go adpresso-pubescens, parcissime glandulosa; bracteae 

 utriusque sexus triangulari-ovatae, acuminatae, puberulae, ciliatae; flores subsessiles. 

 Sepala tf 2 mm longa, ovato-lanceolata, acuta, subglabra; petala inaequalia, 3 majora, 

 calycem superantia, oblongo-obovata, obtusa, breviter unguiculata, 2 breviora, calycem 

 aequantia, ovato-oblonga; stamina 10; ovarii rudimentum cylindricum, apice leviter den- 

 ticulatum; sepala Q 6 — 8, inaequalia, majora 3 mm longa, ovata, acuminata, extus et 

 margine inferne glanduligera; petala 1 .y 2 mm longa, calyce multo breviora, lanceolata, 

 acuta; ovarium glandulis fusiformibus dense vestitum; styli fere ad medium in lacinulas 

 5 partiti. Capsula et semina ignota. 



Nordostafrikanische Steppenprovinz, nordwestabessinischer Bezirk: 

 Matamma in Gallabat, in fetten Durrafeldern (Schwein furth n. 870 !, 871 !). 



Nota. Cl. Schweinfurth spcciem pro C. serrata habuit, a qua indumento rigido, setoso, 

 inflorescentiis brevioribus et petalis Q differt. 



16. C. macrocarpa Pax et K. Hoffm. n. spec. — Annua, inermis; caulis 1 — 1 1 / 2 m 

 altus, fistulosus, longitudinaliter striatus, ramosus, superne densissime setulis albis, 

 rigidis, eglandulosis vestitus, inter setulas insuper adpresse pilosus, inferne paulo tan- 

 tum glabrescens. Petiolus 3 — 8 mm longus, setulosus; limbus 8 — 13 cm longus, 2 — 

 3 cm latus, lanceolatus, basi et apice acutus, serratus, membranaceus, supra glaber, 

 subtus ad costas pilosus; costae secundariae utrinque zb 12, fere rectae; stipulae 6 mm 

 longae, lineari -lanceolatae, acuminatae. Spicae cum pedunculo 2'/ 2 — 7^ 2 cm longae, 

 bisexuales, inferne flores Q 1 — 2 proferentes; rhachis cum pedunculo J / 2 — ^li cm longo 

 adpresse pilosa et inferne setosa, eglandulosa; bracteae qj 1 et Q ovato-lanceolatae, acu- 

 minatae, 2 mm circ. longae; pedicelli qj 1 et Q 1 mm longi. Sepala tf lanceolata, 

 acuta, 2 4 / 2 mm longa, extus parce pilosa; petala 5, inaequalia, unum 2y 2 mm attingens, 

 spathulato-obovatum, 2 paulo breviora, spathulata, 2 multo minora, lanceolata; stamina 

 10; sepala Q 5, inaequalia, longiora 3 mm longa, extus lobulis 2 aucta, basi extus 

 glandulosa, oblonga, acuta; petala inaequalia, lanceolata, acuta, calyce paulo brevior; 

 ovarium dense glandulis fusiformibus vestitum; styli fere ad basin in lacinias 5, valde 

 angustas partiti. Capsula 9 mm lata, tuberculato-aspera. 



Sudanische Parksteppenprovinz: Am Benue, Sidderi, in der Grassavanne 

 (Ledermann n. 4729!). 



Nota. Affinis C. gallabatensi, sed indumento eglanduloso, densissimo, stipulis magnis, 

 petalis Q, capsulis majoribus valde diversa. Cum G. palustri nulla adest affinitas. 



17. C. serrata (Turcz.) Presl, Epimel. bot. ( 1 850) 213; Baill. Etud. gen. Eu- 

 phorb. (1858) 301; Müll. Arg. in DC. Prodr. XV. 2. (1866) 755. — G serratus Höchst, 

 in Sched. — Lepidooocca serrata Turcz. in Bull. Soc. nat. Moscou (184 8) 1. 58 9. 

 — Lepidocroton serratus Walpers, Ann. III. (1 852 — 1 853) 370. — Argythamnia Hoeh- 

 stetteri 0. Ktze. Rev. gen. 11.(1894) 594. — Annua, inermis; caulis simplex, =b 30 — 

 40 cm altus, apice adpresse pubescens et pilis setulosis, saepius paucis onustus, mox 



