414 R « Knuth. — Oxalidaceae. 



41. B. molle (Sc. Elliot) Guillaum. in Bull. Mus. d'hist. nat. Paris XV. (1909) 126. 

 — Suffirutex 40 cm et ultra altus. Caulis lignosus, basi saepe 4 mm crassus, cortice 

 atrescente obtectus, inferne glaberrimus, superne dense tomentosus, sparsim ramosus. 

 Folia verticillata, verticillis numerosis inter se 3 — 10 cm distantibus; folia 8 — 15 in 

 verticillo, plerumque 15 — 20-juga; rhachis filiformis, hirsuta; foliola omnia fere aequalia, 

 saepe 4X2 mm magna, rectangularia — apicalia late obovata vel cuneata — , basi retusa, 

 margine antico retuso in apiculum minutum contracta, supra pilis adpressis hyalinis 

 dense obsita vel lanuginosa, subtus paullo glabriora et pallidiora. Pedunculi e verticillis 

 foliorum provenientes, cum pedicellis ea lc-Dgitudine aequantes, circ. 2 1 /2~3 cm longi, 

 sicut bracteae dense tomentoso-hirsuti, satis crassi (usque 1 mm), Acribus 1 — 3 instructi. 

 Bracteae lineari-subulatae vel subulatae, acutae vel acutissimae, 2 mm longae, fere globoso- 

 coacervatae. Pedicelli capillares, 4 mm longi, curvati. Sepala lanceolata, acuminata, 

 acuta, parum perspicue nervata, 3 mm longa, sicut pedicelli indumento minuto patulo 

 dense obtecta. Petala sepalis 1 3 / 4 — 2-plo longiora, lingulato-obovata. 



Madagaskar: Fort Dauphin (ex herb. Scott Elliot n. 2487 — Typus!). 



42. B. Forsythii R. Knuth, spec. nov. — Suffrutex 40 cm et ultra altus. Caulis 

 sublignosus, gracilis, strictus, ruscus, indumento adpresso db crispulo vel tomentoso 

 obtectus, subsimplex. Folia verticillata, verticillis satis numerosis, inter se 5 — 9 cm 

 distantibus; folia 6 — 10 in verticillo, plerumque 20 — 35-juga, 4*/2 cm longa; rhachis 

 filiformis, ± stricta, pilis dense adpressis obsita; foliola omnia aequalia, saepe 3X1 V4 mm 

 magna, zfc rectangularia, apicalia ceteris aequiformia sed minora, basi et margine antico 

 retusa, vix apiculata, supra glabra et opaca, subtus dense adpresse pilosa et pallidiora. 

 Pedunculi praecipue e verticillo supremo provenientes, (cum floribus) eidem aequilongi, 

 circ. 4 cm longi, dense adpresse pilosi, filiformis, 4 — 6-flori. Bracteae lanceolatae, acutae, 

 1 — 2 mm longae, fere globoso-coacervatae. Flores subsessiles. Sepala lanceolata vel 

 ovato-lanceolata, interiora margine membranacea, vix acuminata, obtusa, manifeste ner- 

 vata, circ. 3 mm longa, basin versus dense pilosa, apicem versus glabrescentia. Petala 

 sepalis 1 1 / 2 "P^° longiora, violaceo-purpurea(P). 



Madagaskar: Tanala, bei Ambohimitanbo, 1350 — 1440 m. (Forsyth-Major 

 a. 1895, n. 382 — Typus in herb. Berol.!). — Blüh. Januar. 



43. B. Perrieri Guillaum. in Notulae System. I. (1909) 25, in Bull. Mus. d'hist. nat. 

 Paris XV. (1909) 126. — Frutex? Ramuli graciles, glabri vel leviter lanuginosi, cortice 

 brunneo obtecti, dichotome vel verticillate ramosi (saepissime in verticillis ramulus unicus elon- 

 gatus — aliis brevissimis squamosis — , caulem proliferum simulans). Folia apice ramulorum 

 congesta, 7 — 8 cm longa, 7 — 14-juga; rhachis glabrescens; foliola apice rotundata mucro- 

 nataque, basi inaequalia et oblique truncata; inferiora rotundata; intermedia superioraque 

 majora, rhomboidea, 10 — 13 cm longa, 5 — 6 mm lata, tenuia, fere membranacea, parce 

 pilosa, supra viridia, infra argentea. Inflorescentia umbellata, pauciflora, gracilis, lanu- 

 ginosa, saepius foliis brevior. Pedicelli pauciflori, sepalis aequilongi, parce bracteati. 

 Bracteae parvae, carinatae, trianguläres, leviter pilosae, in gemmas conicas coalilae. 

 Sepala triangulo-lanceolata, 7 mm longa, satis tenuia, extus parce pilosa. Petala glabra, 

 membranacea. Filamenta basi vix dilatata, subulata; maiora superne pilosa; antherae 

 ellipticae. Capsula globulosa, sepalis 3-plo brevior; semina 4 1 /* mm longa, ovoidea, 

 apice subacuta, tuberculis parvis transversis obtecta (ex Guill.). 



Madagaskar: Im Busch vom Firingalava (Perrier de la Bäthie n. 473 — 

 Typus). 



44. B. Commersonii (Baill.) Guillaum. in Bull. Mus. d'hist. nat. Paris XV. (1909) 

 125. — Oxalis Commersonii Baill. in Bull. Soc. Linn. Paris I. (1886) 598, Hist. pl. 

 Madag., Atlas (1889) t. 115. — Ramosa, glabra. Foliola plurijuga, inaequi-obovata, apice 

 rotundata, ab inferioribus ad superiora majora, superiora 3 cm longa, membranacea, exs. 

 pallide ferruginea, venis albidis percursa. Pedunculus foliis subaequalis, lOcm.longus; 

 bracteae globoso-capitatae. Pedicelli calyce 3-plo longiores, 1 mm longi. 



Madagaskar (Commerson — Typus nach Baillon). 



