Moiiogniphie der Nyctaginacecii. I. 121 



g. Bougaiiivillea berberidifolia nov^. sp. 



Tab. nobtia I, 1ml;. 1[ .7—,/, 111 



Friilex (?) valde ramosus, rt spiiiosiis, ramis partim elongatis, squarrose f. horizontale patcntihiis, par- 

 tini eximie abbreviatis, ad vcrrucas folia pauca fascicLilata lloresque gereutes rcdiictis, noribus bractcisque 

 paulo iiiinoribus, ima ciiin tbliis orientibus. 



Rami ± fiexiiosi, \errucis frequentibus nodosi, denique firmi, modice elongati, adulti internodiis 

 mediocribiis (15 — 20 iiiiii lg.), peridermio brunneolo, Ie\-issime striolati, versus apices brevissime tomentelli, 

 ceterum glabri, spinis ± frequentibus, simplicibus, iunioribus debilibus 3— 10;«m lg., in vctustatis ramis 

 validissimis, 17 — 20 »/»/ lg., f. rectis, subhorizontale patentibiis, a latere non comprcssis, acutis armati, 

 ramulis abbre\'iatis pulvinulit'ormibus, valde brevibus, sub spina positis, apice pallide rufotomentellis, folia 

 intlorescentiamque partialem singulam emittentibus. 



Folia (p. maiore parte adsunt solum iuvenilia) elliptica ad obovato-elliptica, circiter in v. paulo supra 

 dimidiuni latissima (bene evoluta 15 — 2d nitn: 1 — 9iitni), in petiolum scabrido-puberulum, lamina 3 — 5plo 

 brevi(.irem attenuata, antice v. obtusissima v. rotiindata, consistentia tenui, (obscure?) \iridia, concoloria, 

 giabriuscula, integra, subuninervia, nervis lateralibus minus v. vix conspicuis. Foliti in sectipne transversa 

 sine ciystallis magnis, transversa positis. 



Inflorescentiae partiales semper triflorae, pedunculo debili, florendi tempore 5 — 9 mm lg., erec- 

 tiusculo, parce scabridulo, postea cernuo. 



Bracteae x'alde variabiles aut ovato-oblongae, ad duplo longiores q. latae (25 — 27 ///;«: 13— 15 ;;;;;/), 

 antice obtusiusculae [forma«: oblongibractcata ; üg. U], aut latissime ellipticae ad suborbiculares, sub- 

 aequilatae (19 — 21 7»«; : 17 — 18 mm), antice latissime rotundatae leveque saepius emarginatae [forma ß; 

 cyclobracteata ; fig. III], ceterum pallidissime brunneolae, ad anthesin floribus evidenter longiores, basi 

 rotundae ad levissime cordatae, ner\'o mediano paululum hirtulo excepto glabrae, gracillime et dense 

 subatronervatae, tenue membranaccae; florum pedicelli ad 3*5 — Q-bmm cum bractea connati, f. glabri. 



Perianthia 1 1 — 14 7)«;; lg., fiavescentia (?), tubo angustissime cylindrico (c. l-57;/;ult.), haud v. 

 vix visibile contractulo, basin versus paululum sensimque latiore, ceterum f. aequilato, in basi ipsa rotun- 

 dalo et brevissime angustato, glaberrimo, aequale 10 nervato, nervis validiusculis, sicco subatris, dense 

 approximatis, limbo pro flore angusto, 4 — omni lt., crassiusculo, lobis late et breve triangularibus 

 (Yj— 1 Ulm lg. et lt.), acutiusculis, lobis commissuralibus brevioribus, emarginatis, ut tote limbo glaberrimis, 

 nee limbriatis, nee papillosis. 



Stamina saepius 5 (rarius G), cupula minuta, 7^ — V.i""" 1ö-> flliunentis longioribus lU — 1 1 ;//;//, bre- 

 vioribus 8 — 9 mm lg., antheris c. '-'/^ tum lg. et lt. 



Germcn (4'5 — 5 ;/;/;/ lg.) ovario oblongo (3'5 — 4 ;;/;« lg., 1 ;;///Ht.) basin versus angustato, apice 

 rotundo, stylo brevi (1 — 1 -5 mm lg.), subclavato, per totam longitudineni stigmatifero. 



Anthocarpia fructusque ignota. 



Bolivia: sine indicat. loci spec. (Cumming [aj); »15° 18' lat. austr.« (Bridges [o.]); Valle Grande 

 (d' Orbigny 517 [ßj). 



§. II. TRICYCLA Baillon. 



liaiUdn 1, c. 22; Heim eil, Huilriigc 30. 



Tricychi Cavanilles, .Anales de Ciencias naturales V, 63, Tab. 40; Jussieu, .Annales du iMuscum 

 11,275; Fndlicher, Genera 312, Nr. 2007; Chois y, 1. c. 43(3; Benthain- Hooker fil., CJenera III, 7. 



Inflorescentiae partiales uniflorae et tribracteatae, flore inter tres bracteas seclente. 

 Folia structura isolaterali, f. sessilia. 



Denliscliriflcn der malhcm.-naturw. Cl. LXX. Ud. jg 



