Chrozophora. 2 1 



39 t. 8 f. 2. — C. macrocalyx Ehrenb. in Sched. — Toumesolia Brocchiana 0. Ktze. 

 Rev. gen. II. (1 891) 621. — Frutescens, pilis stellatis, longe stipitatis dense floccoso- 

 lanata, succi tinctorii expers; caulis divaricato-ramosus. Petiolus I — 4 cm longus; limbus 

 2V2 — 6 cm longus, 2^2 — L x \z cm latus, ovatus vel triangulari-ovatus, apice obtusus, 

 basi obtusus vel subtruncato-cordatus, indivisus vel trilobus, lobulo medio lateralibus 

 majore, ceterum margine undulatus, molliter vestitus, basi subtus biglandulosus, juvenilis 

 zb subplicatus; stipulae subulatae, =t 5 — 8 mm longae, persistentes, interdum aculei- 

 formi-induratae. Inflorescentia vix 1 cm longa, congesta, superne q? ; bracteae utriusque 

 sexus subulatae; flores rf subsessiles; pedunculi Q ad basin inflorescentiae 1 — 3, 2 mm 

 longi, 1-flori, fructigeri haud elongati, erecti. Sepala 5, q 1 lanceolata, acuminata, Q 

 linearia; petala q? lanceolata, acuminata, Q linearia, sepala aequantia; stamina 5 — 8, 

 biseriata, basi connata; antherae obliquae, apiculatae; ovarium lepidotum; styli ovarium 

 bis aequantes, liberi, apice tantum bifidi, intus dense papillosi. Capsula 5 — 6 mm longa, 

 6 — 7 mm lata, laevis, dense argenteo-lepidota. Semina laevia, nitida. 



Nordafrikanische Steppenprovinz, vom Kap Verde bis Suakin. 



Senegambien (Lecard n. 20!, Lelievre!, Perrottet n. 735!). Nigergebiet 

 (Barter). Kap Verde (Barter n. 821). Nubien, Darfur (Pfund n. 492!), Dabbeh 

 (Ehrenberg!), zwischen Dabbeh u. Chartum (Hartmann!), Berber (Acerbi), Suakin 

 (Schweinfurth n. 836!, 839!), Dar Matamma (Schweinfurth n. 835!). 



Nota \. Cl. Müller Arg. distinxit var. sequentes 



a. Hartmannii Schweinf. PI. quaed. nil. (1862) 9 t. 5; Müll. Arg. in DC. Prodr XV. 2. 

 (1866) 750 et 



ß. genuin am Müll. Arg. 1. c. 

 quas rite distinguere non possumus. 



Nota 2. Vidimus e Dahomey (Mission Gironcourt n. 112!) plantam annuam characte- 

 ribus cum C. Brocchiana optime convenientem, sed petalis $ apice subtruncatis et hie inciso- 

 fimbriatis praeditam. An revera ad G. Brocchianam pertineat, dubium remanet. Specimen valde 

 maneum est. 



4. C. senegalensis (Lam.) Juss. Euphorb. Tent. (182 4) 28; Müll. Arg. in DC. 

 Prodr. XV. 2. (1866) 750. — Croton senegalensis Lam. Encycl. meth. II. (1786) 212. 



— Lepidocroton serratus Presl, Epimel. bot. (1850) 213. — Toumesolia senegalensis 

 0. Ktze. Rev. gen. II. (1891) 621. — Lepidococea serrata Ind. Kew. III. (189 4) 58. 



— Frutescens, pilis stellatis, sessilibus, abbreviatis, albicantibus adpresse vestita, succi 

 tinctorii expers; caulis divaricato-ramosus. Petiolus 4 — 15 mm longus; limbus 2*/$ — 

 4 cm longus, 1 — 3 y 4 cm latus, rhombeo-ovatus vel oblongo-ovatus, obtusus, basi sub- 

 acutus, vix obliquus, ima basi saepe subcordatus, repando - crenulatus vel subtrilobus, 

 margine subundulatus , basi biglandulosus, juvenilis vix plicatus, subtus canescens, supra 

 viridis; nervi subtus prominentes; stipulae zfc 3 mm longae, subulatae, subpersistentes. 

 Inflorescentia vix 1 cm longa, congesta, superne q^; bracteae utriusque sexus subulatae; 

 flores q? subsessiles; pedunculus Q ad basin inflorescentiae 1 (vel plures?), 1-florus, 

 2V2 mm longus, fruetiger haud elongatus, erectus. Sepala 5, (J 1 ovato-lanceolata, acu- 

 minata, Q linearia; petala tf ovato-lanceolata, acuminata, Q linearia, sepala aequantia; 

 stamina 7 — 9, basi connata; antherae obliquae, apiculatae; ovarium dense lepidibus sub- 

 integris vestitum ; styli ovarium aequantes, ad y s bifidi. Capsula dz 6 mm longa, 

 8 mm lata, densissime argenteo-lepidota, tricocca, laevis. Semina laevia, 4 mm longa 

 et fere lata. 



Nordafrikanische Steppenprovinz: Senegambien (Perrottet n. 738). 

 Nigergebiet (Barter n. 3444), Tombuktu (Chevalier n. 1302!), Kordofan, Abu- 

 Gerad (Kotschy n. 25!), Darfur (Pfund!). 



Sect. 3. Tinctoriae Pax et K. Hoffm. 



Aqua flores emolliens rubro-tingitur. Stamina 2-verticillata, 4 — 10, rarius II — 12 

 Ovarium dense lepidotum vel stellato-pilosum. Pedicelli fructigeri elongati, reflexi. Se- 

 mina tuberculato-aspera vel laevia. 



