338 R. Knuth. — Oxalidaceae. 



Gorollae limbus tubo aequilongus, purpureus ; tubus vix angustus, luteus. Petala calyce 

 5-plo longiora, usque 20 mm longa, e basi angusta late obovata, apice rotundata. 

 Filamenta maiora calyci circ. aequilonga. 



Südwestliche Kapprovinz: Saron, 200 m, an feuchten sandigen Stellen (Schlech- 

 ter, Austro-afric. a. 1 896, n. 7859 ex pte. — Typus in herb. Berol.!). 



675. 0. recticaulis Sonder in Harv. et Sond. Fl. Cap. I. (4 859 — 60) 330. — 

 Acetosella recticaulis (Sond.) O. Kuntze, Rev. Gen. I. (4 89 I ) 94. — Caulescens, 7 — 17 cm 

 alta. Bulbus rotundatus, 4 5 mm longus et latus, atro-fuscus. Rhizoma saepe nullum. 

 Gaulis solitarius, erectus, dense glandulosus, simplex, ad nodos dz numerosos foliatus. 

 Fasciculi superiores et inferiores foliorum vix diversi; foliola 3, sessilia, pilis glandulosis 

 hirsuta, anguste cuneata vel lingulato-cuneata, apice obcordato-incisa vel (in foliolis 

 angustioribus) rotundata vel obtusata, 4 mm longa ; petiolus foliorum superiorum foliolis 

 aequilongus, saepius autem brevior vel brevissimus, glanduloso-subviscidus. Flores apicales, 

 sparsi. Pedunculi floribus aequilongi, folia dz superantes, dense glandulis purpureis obsiti, 

 circ. 2 — 3 mm infra calycem bibracteati; bracteae 4 — l*/j mm longae, subulatae, apice 

 purpureae. Sepala lineari-lanceolata, acuta vel obtusiuscula, dense purpureo-glandulosa, 

 apice manifeste profunde purpureo-bicallosa, circ. 4 mm longa. Petala calyce 4-plo 

 longiora, 4 5 mm longa, e basibus unguiculatis obovata, antice dz retusa, violacea, basin 

 versus lutea. Flos mediostylosus ; filamenta maiora calyce 4 V^plo l° D gi°ra; minora 

 maioribus 2-plo breviora; omnia pilis brevibus dz dense obsita; antherae oblongae. 

 Pistillum simpliciter hirsutum. 



Südwestliche Kapprovinz: Piquetberg (Zeyher n. 2U9 — Typus!). 



676. 0. oligadenia Schlechter in sched., ex R. Knuth in Engler's Bot. Jahrb. LXI. 

 Beibl. n. 4 39. (4 927) 4 3. — Caulescens, 7 — 4 7 cm alta. Bulbus atrofuscus, oblongus, 

 1 mm longus, 7 mm latus. Rhizoma dense radiculis obsitum, verticale, tenue, usque 

 8 cm longum, 4 mm crassum. Caulis solitarius, erectus, parcissime glandulosus vel 

 glaber, ad nodos dz numerosos dense foliatus et ramis brevibus instructus. Fasciculi 

 superiores et inferiores foliorum vix diversi, sed superiores magis approximati; foliola 3, 

 sessilia, sparsim pilis simplicibus vel subglandulosis adspersa, saepius subglabra, anguste 

 cuneata vel lingulato-cuneata, apice obcordato-incisa vel (in foliolis angustioribus) rotun- 

 data vel obtusata, 4 — 20 mm longa; petiolus foliolis 4 — 4 1 / / 2"Pk ) longior, non raro 

 autem eis brevior, subglandulosus. Flores pseudo-apicales et caulini, omnes caulem 

 excedentes, satis numerosi. Pedunculi floribus 4 — 4-plo longiores, minute glanduloso- 

 puberuli, graciles, satis stricti, circ. 3 — 4 mm infra calycem bibracteati; bracteae 4 l /j — 

 2 mm longae, subulatae, =b purpureae. Sepala lineari-lanceolata, obtusiuscula, sparsim 

 vel tantum ad basin glandulosa, ceterum glabra, apice manifeste minute purpureo-bi- 

 callosa, circ. 7 mm longa. Petala calyce 5-plo longiora, 25 mm longa, e basibus un- 

 guiculatis late obovata, antice dz retusa, rubello-violacea, basin versus lutea. Flos 

 medio-stylosus ; filamenta maiora calyce 4V 4 -plo longiora; minora maioribus 2-plo 

 breviora; omnia pilis minutis mollibus puberula; antherae oblongae. Pistillum hirsutius- 

 culum. 



Südwestliche Kapprovinz: Brackfontein (Schlechter, Austro-afric. a. 4 896, 

 n. 7987 — Typus!); Pedrosberg nördlich Brackfontein, auf nasser sandiger Trift mit 

 krautiger Vegetation, 90 m (Diels, Reise a. 4 900, n. 888!); Clanwilliam, Olifant Tal, an 

 feucht-sandigen Stellen des Inundations-Bezirkes, 75 m (Diels, Reise a. 4 900, n. 330 !). 

 — Blühend Juni bis September. 



677. 0. sororia Schlechter in sched., ex R. Knuth in Engler's Bot. Jahrb. LXI. 

 Beibl. n. 4 39. (4 927) 4 4. — Gaulescens vel stipitata. Bulbus rotundatus, vix 4 cm 

 diam., nigrescens. Caulis 4 — 8 cm altus, glaber, 4 — l ! /j mm crassus, dz laxus, inferne 

 squamis latis abrupte acuminatis acutis 4 — 4^2 rnm longis remotis obsitus, ad apicem 

 rosulate foliatus, rarius etiam foliis caulinis instructus. Folia apicalia numerosa, petio- 

 lata; foliola 3, pilis glandulosis brevibus puberula, 7 — 4 mm longa, i 1 / 4 — 2 mm lata, 

 anguste lineari-cuneata, apice incisa et maculis duabus callosis notata; petioli longitudine 

 diversi, terminales foliolis 4 — 2-plo longiores, tenues, glanduloso-puberuli; folia caulina 



