Oncostemon. 203 



brevissimis vix ultra 3 mm longis stipitatae, folia subaequantes, pedicellis gracillimisö — 6 mm 

 longis; flores 1,5 mm diam. metientes, 5-meri; sepala vix ultra 1 / 5 connata, membranacea, 

 densissime punctata; petala ultra i / s coalita lobis suborbicularibus , apice rotundatis et 

 leviter oblique emarginatis , bene punctulatis ; tubus stamineus basi breviter cum petalis 

 connatus crasse urceolatus, antheris ad 3 / 4 liberis apice late truncatis, quam filamenta con- 

 nata paullo brevioribus; ovarium ellipsoideum, glabrum stylo 2 — 3-plo breviore, stigmate 

 bene discoideo, integro. 



Central-Madagascar: Baron n. 4462. — Herb. Kew. 



40. 0. gracile Mez n. sp. — Ramuli gracillimi, apicem versus dense ferrugineo- 

 tomentosi. Folia optime disticha petiolis vix 0,5 mm longis stipitata subsessilia dicenda, 

 anguste ovato-elliptica, basi leviter cordata apice anguste rotundata, zb 1 5 mm longa, 6 mm 

 lata, glabra, chartacea, laevia, punctis manifestioribus destituta. Inflorescentiae pedunculis 

 brevissimis vix ultra 3 mm longis stipitatae 1 — 3-florae , optime umbellatae , folia sub- 

 aequantes vel iis paullo breviores, pedicellis gracillimis, glabris, dz 5 mm longis; flores 

 5-meri; sepala vix 0,75 mm metientia bene ad y 3 connata, late lingulata, optime rotun- 

 data, toto margine pilis brevibus castaneis dense ciliata, bene magnipunctata ; ovarium 

 glabrum, globosum, stylo subduplo longiore sepala fere triplo superante, stigmate parvo, 

 discoideo. — Cet. ignota. 



Ost-Madagascar: bei Tamatave (Goudot). — Herb. Deless. 



Nota. Arbor parva ramulis horizontalibus perregulariter distiche foliatis ex collectore 

 habitum coniferinum praebet. 



41.0. crenatum Mez n. sp. — Ramuli gracillimi, dense ferrugineo-tomentosi. Folia 

 disticha, peüolis infra 0,5 mm longis stipitata, apice obtusiuscula, margine prope apicem 

 subsinuatim utrinque 1 — 2-crenata, zb i 2 mm longa, 5 mm lata, chartacea, opaca, laevia, 

 utrinque dense prominulo-reticulata. Inflorescentiae umbellatae, dr \ 2 mm longae, pedunculis 

 ad 5 mm longis stipitatae, pedicellis fere filiformibus 3 mm longis; flores \ mm longi, 

 5-meri; sepala basi brevissime connata margine dissite pilis e longioribus capitulatis ciliata, 

 paucipunctata; petala paullo ultra '/3 connata suborbicularia, prope apicem profunde asym- 

 metrice emarginata, bene punctulata; tubus stamineus basi breviter cum petalis connatus 

 crassus subglobosus, antheris ad 3 / 4 liberis apice late truncatis, quam filamenta connata 

 paullo brevioribus; ovarium claviforme, glabrum, stylo bene breviore, stigmate discoideo, 

 integro. 



Madagascar: Ambohimitombo -Wald (Tanala), 1340 — 1400 m ü.M. (Forsyth 

 Major n. 374). — Blüht im Januar (Herb. Kew). 



42. 0. microphyllum (Roem. et Schult.) Mez. — Ardisia microphylla Roem. et 

 Schult, (melius Willd.) Syst. IV. (1819) 804; A.DC. in DC. Prodr. VIII. (1844) 139. — 

 Oncostemon myrtifolium A.DC! 1. c. 90. — Badula myrtifolia Thou. ! ap. A.DC. 1. c. — 

 Ramuli gracillimi, pilis brevibus crassisque dense obtecti. Folia disticha petiolis vix 1 mm 

 longis stipitata, apice rotundata, margine minute crenulata, dz i 7 mm longa, 9 mm lata, 

 rigidula, glabra, opaca, laevia, utrinque punctis magnis prominentibus scabra. Inflorescentiae 

 umbellatae, folia subaequantes, subglabrae, pedicellis gracilibus, vix ultra 2 mm longis; 

 flores 1 — 1,5 mm longi, 5-meri; sepala dorso perparce breviter pilosa, ad J / 5 connata, 

 lobis haud punctatis; petala ad i / i connata lobis latissimis, apice oblique subtruncatis 

 leviterque emarginatis, haud punctatis ; stamina petalis multo breviora ex cl. A.DC. antheris 

 crassis, triangularibus, liberis, basi carnosa corollae adnatis; ovarium glabrum, globosum, 

 stylo 2 — 3-plo breviore, stigmate subdiscoideo. 



Madagascar: ohne Standortsangabe (Du Petit-Thouars, Goudot n. 33). — 

 Herb. DC, Deless., Paris, Willd. n. 4486. 



43. 0. nervosum Bak. ! in Journ. Linn. Soc. XXV. (1890) 333. — Ramuli validi, 

 novelli dense fulvo-lanati. Folia petiolis dz 4 mm longis stipitata, bene lanceolata, utrinque 

 optime longe acuta, integerrima, zt 1 1 mm longa, 2 5 mm lata, chartacea, praeter nervum 

 medium subtus in adultis dz rudimentarie basin versus pilosum glabra, nitidula, glauco-viri- 

 dia, utrinque insigniter dense prominulo-reticulata, punctulis manifestioribus fere destituta. 



