MONOGUAPHIA POI.YGALACEARUM. 337 



apicein liilal.iliis, villilniinis. Slimii.iln s;ii riililnniii.i i. i'. pars tf iiuiiialis dnrsalis 

 ligularis et ol)liqiie papillosa, pars iiilciior ciiam iiiciiiliranacea saccula duo fnniiaiis 

 emarginaliofiL' liainl proriiriila sepaiala et i|iiain pais ilnisalis 3plo hrevini'. lu 

 einargitialioiie corpiisculus papilhjsus nitundaliis, piinctilbrrais ohservalur. Capsula 

 alis brevior ac angustioi-, late elliptica, iMiiargiuala, augustissime alata, glabres- 

 cens, ineinbranacea. Semina globosa, liiisiita, uigra vel grisea. parva; carunciila 

 capitelliformis scmini superpnsita. 



Habitai iu Angola (Welw. iter angolense, 1032)Mukenge : Pogge. n° 572 (Hb. 

 Berol.). 



IV. ArenarisB. 



p. ARENAIUA. VVillc). 



Racemi sessiles capitati, subspha^rici, terminales vel in dicliotomia iit flos definila 

 sessilis; ahe oval;€, pilosa» ; petala siiperiora basi cuueata, medio contracta, liuibo 

 dilalalo et subipiadrangiilari. 



Willdn. Sp. t. III, p. 880 : DC. Prodr. I. ji. 1 2(j : Oliv. FI. ot trop. Afr. I, 

 p. 129. — P. nutans Hook. FI. Nigrit. 222. 



Tnh. nnslrn WVII, fig. :{5-36. 



Radix perpendicularis, tennis et simplex, vel crassior tum ramosa, 5-12 cm. 

 longa, ad 5 mm. crassa. lutea vel grisea. Canlis simplex, 6-30 cm. lougus, aut a 

 basi divaricate et repetite pseudo bi vel tricliotomns, leviter striatus, fistulosus et 

 liirsutns. Folia varia, linearia, obovala, oblonga, elliptica, herbacea, 1-4 cm. longa, 

 0,3-1,5 cm. lata, caulium simplicium, sub racemo terminali, aliis inferioiibiis 

 dnpio longiora et quasi involucruiu fnrmautia, caulium ramosorum sub quoque 

 racemo plus minusve condensata, omnia obtusa nec mucronata. Racenius aut 

 unicus in caule simplici. aut racemi plures breviler' pedunculali i. e. quasi sessiles 

 inter ramos, quos formant [)sendodicbotomiam, capitati, globosi nec cylindrici, sub- 

 sessiles, lam aiti quam lati 1-2 cm. Flores cca. 5 mm. longi, densitlori, lloribus 

 reflexis. Sepala extoriora ina'qualia, superius ' ', majus, ellipticum, vel ovatum. 

 dorso et margine longe ciliata. hrrbacea. Akx' subnnguiculatie, late ovata>, subor- 

 biculares, nervis parce anasloniosantibus dorso et margine ciliatse, (|uam corolla 



TOMK XXXI. 2* PART. 4.3 



