330 R- Knuth. — Oxalidaceae. 



65«. 0. auatro-occidentalis R. Knuth in Engler's Bot. Jahrb. LXI. Beibl. n. 139. 

 (1927) 9. — Stipitata, parvula, usque 4 — 5 cm alta, tota indumento dense sericeo obtecta. 

 Stipes 3 cm altus, dt tortuosus, squamis 2 — 4 ovatis abrupte acuminatis acutis 2 mm 

 longis obsitus, foliis denudatus. Folia tantum apicalia, numerosa, 10 — 20, usque 4 y a cm 

 longa, petiolata; foliola 3, ovato-lanceolata vel lanceolata, apice rotundata vel levissime 

 incisa, utraque facie sericea, usque 8 mm longa et 2 3 /4 — 3 mm lata; petiolus dense 

 sericeo-puberulus, foliolis 1 — 1 ^"P^ longior, 5 — 10 mm longus. Pedunculi sparsi, 

 4 — 4, terminales, e rosula foliorum provenientes, uniflori, erecti, petiolis plane aequales. 

 Flores sub foliis fere occulti, ea non superantes. Sepala . . . Petala . . . 



Südliches Deutsch-Südwestafrika: Oakup, Stolzenfels am Oranje (Pfeil 

 a. 1890 — 91, n. 64 — Typus in herb. Berol.!). 



653. 0. argentea R. Knuth in Engler's Bot. Jahrb. LXI. Beibl. n. 139. (1927) 9. — 

 Caulescens vel stipitata, 6 — 9 cm alta. Bulbus oblongus vel rotundatus, tunica fusca 

 vestitus, usque 17 mm longus. Gaulis 2 — 6 cm altus, saepe tortuosus, rarissime sub- 

 nullus, villoso-sericeus, squamis ovatis acuminatis acutis usque 5 mm longis zb obsitus, 

 foliis nonnullis apicem versus instructus, saepe foliis denudatus. Folia apicalia satis 

 numerosa, 5 — 15, usque 1 */j cm longa, petiolata; foliola 3, ovato-lanceolata vel lanceo- 

 lata, obtusiuscula vel apice leviter incisa, utraque facie villoso-sericea, apice manifeste 

 bicallosa, usque 8 — 9 mm longa et 2 mm lata; petiolus sericeo-villosus, brevissimus, 

 foliolis multo brevior, summum eis aequilongus. Pedunculi 1 — 5, terminales, e rosula 

 foliorum provenientes, uniflori, dz erecti, 1 mm crassi, villoso-sericei, foliis 2 — 4-plo 

 longiores, 1 — 10 mm infra calycem — 2-bracteati; bracteolae =b suboppositae, subu- 

 latae, acutissimae, 2 mm longae. Sepala lanceolato-linearia, acuminata, acuta, villoso- 

 sericea, apice purpureo-callosa, patulo-erecta, 6 — 8 mm longa. Gorollae tubus luteus; 

 limbus violaceus vel pallidus, tubo 2-plo longior; petala calyce 3 — 5-plo longiora, usque 

 24 mm longa, e basi unguiculata late ovata, margine anteriore retuso-rotundata. Stamina 

 maiora sepalis aequilonga. 



Südwestliche Kapprovinz: Kapstadt (Scott Elliot a. 1890, n. 1052! Bergius 

 a. 1816!); Sir Lowrys Pass (Schlechter, Austro-afric. a. 1896, n. 7791!); Rapenburg 

 bei Kapstadt (Schlechter a. 1892, n. 74 1 !). — Typus in herb. Berlin. 



654. 0. duriuscula Schlechter in Engler's Bot. Jahrb. XXIV. (1898) 347. — 

 Stipitata, non raro semel vel bis furcata, usque 1 8 cm alta. Stipes usque 1 5 cm altus, 

 erectus vel ± tortuosus, 1 mm crassus, duriusculus, fere sublignosus, glaberrimus, 

 squama unica subulata vel nulla obsitus, non foliatus. Folia apicalia, sparsa, 5 — 10, 

 usque 2 Yj cm l° n ga, omnia petiolata; foliola 3, oblonga vel lineari-oblonga, apice obtusius- 

 cula, utraque facie glabra, infra pustulata, callis destituta, usque 13 mm longa et 

 2 — 2^4 mm lata; petiolus glaber, filiformis, foliolis 1 */j — 2 1 /2~pl° longior et 1 y 2 — 2 cm 

 longus. Pedunculi sparsi, 2 — 4, terminales, e rosula foliorum provenientes, uniflori, 

 filiformes vel fere capillares, glabri, petiolis breviores, 3 mm infra calycem 2-bracteati; 

 bracteolae suboppositae, glabrae, capillares, 1 — 1 y 4 mm longae. Sepala ovata, apicem 

 versus abrupte acuminata, acuta, glabra, tenuia, margine late purpureo-tincta, ,db erecta, 

 3 — 4 mm longa. Gorollae tubus conicus; limbus violaceo-purpureus, tubo pallidiore 

 longior; petala calyce 4-plo longiora, usque 10 mm longa, e basi cuneata late obovata, 

 antice =b rotundata. Stamina maiora sepalis parum breviora. 



Südwestliche Kapprovinz: Caledon, auf Hügeln, 400 m (Schlechter, Austro- 

 afric. a. 1896, n. 7599 — Typus in herb. Berol.!). 



655. 0. punctulata R. Knuth in Engler's Bot. Jahrb. LXI. Beibl. n. 139. (1927) 

 9. < — Stipitata vel caulescens, usque 1 8 cm alta. Stipes usque 1 4 cm altus, ± erectus, 

 glaber, squamis 1 — 2 lanceolatis vel lanceolato-ovatis acutis 2 mm longis obsitus, saepe 

 folio unico dr depauperato vel ramulo instructus. Folia apicalia, numerosa, 10 — 15, 

 usque 3 cm longa, petiolata; foliola 3, oblonga vel cuneato-oblonga, apice rotundata 

 vel leviter incisa, utraque facie glabra, secus marginem nigro-calloso-striatula, usque 

 4 mm longa et 2 — 2*^ mm ' a ^ a i petiolus glaber, zb strictus, exs. filiformis, foliolis 

 4 3 / 4 — t^-plo longior, usque 2 cm longus. Pedunculi in specim. 2 — 4, terminales, e 



