Oncostemon. 
201 
5-meri; sepala dorso dense ferrugineo-tomentosa vix ultra x / 4 coalita haud manifestius 
punctata: petala basi brevissime connata anguste elliptica, apice oblique acutiuscula, cerea, 
obscure pallido-punctulata; tubus stamineus basi breviter cum petalis connatus antheris longe 
angusteque triangularibus peracutis totis liberis quam filamenta tota connata longioribus ; 
ovarium tenuiter ellipsoideum stylo paullo longiore, stigmate parvo, disciformi, integro. 
Central-M adagascar: Baron n. 2219, 3878. — Herb. Kew. 
32. 0. acuminatum Mez n. sp. — Ramuli validi, glabri. Folia subsessilia, elliptico- 
lanceolata, basi (sicca auriculatim revoluta indeque petiolum manifesti'orem mentientia) an- 
guste rotundata apice eleganter acuminata, integerrima, ±120 mm longa, 35 mm lata, 
chartacea, nitidula, utrinque sed praesertim subtus prominenti-reticulata, punctis oo optime 
prominidis aucta. Inflorescentiae tenerrimae ut videtur pendulae, pauciflorae, optime ab- 
breviate racemosae, glabrae, folia subaequantes, pedicellis filiformibus, patentibus, ± 1 5 mm 
longis; flores 3 — 3,5 mm longi, glabri, 5-meri; sepala basi breviter (vix ultra ] / 6 ) connata, 
punctulis multis prominulis brunneis praedita; petala vix ad */ 4 connata lobis 'late ellipticis, 
oblique emarginatis, minute brunneo-punctulatis ; stainina petalis multo breviora antheris late 
triangularibus, acutiusculis, liberis, filamentis brevioribus totis connatis a petalis fere liberis; 
ovarium ovoideum, stvlo 2 — 2,5-plo longiore cylindrico, stigmate discoideo. 
Centr al-Mad agascar : Baron n. 1 949, 3227. — Herb. Berlin, Brit. Mus., Kew. 
33. 0. tenerum Mez n. sp. — Ramuli gracillimi, glabri. Folia petiolis ± 3 mm 
longis stipitata, oblongo-lanceolata vel lanceolata, basi rotundata apice eleganter acuminata, 
integerrima, ±70 mm longa, 2 8 mm lata, chartacea, praeter lepides minutissimas brunneas 
subtus dispersas glabra, supra vix subtus minute prominulo-costulata reticulataque, punc- 
tulis glandulosis non nisi in junioribus manifestis minutis, prominulis, brunneis oo praedita. 
Inflorescentiae tenerrimae, 4 — 5-florae, optime umbellatae, glabrae, folia subaequantes vel 
iis paullo breviores, pedicellis filiformibus ± 10 mm longis; flores 3 mm metientes, glabri, 
5-meri; sepala ad 1 4 connata, lobis margine remote bene ciliatis, punctulis oo brunneis, 
prominulis verruculosis ; petala basi breviter connata lobis ovato- ellipticis, sicut sepala punc- 
tatis ; tubus stamineus antheris anguste rotundatis, a basi ad medium inter sese congluti- 
natis, filamentis brevioribus a petalis liberis; ovarium clavatum, stylo longiore cylindrico, 
stigmate discoideo. 
Central-Madagascar: Baron n. 2993. — Herb. Berlin. 
34. 0. nemorosum A.DC. ! in Ann. sc. nat. 2. ser. XVI. (1841) 82 et in DG. Prodr. 
MH. (1844) 90. — Badula netnorosa Thou. ! ap. A. DC. 1. c. - — - Ramuli graciles, glabri. 
Folia petiolis ± 5 mm longis sensim in laminam transeuntibus stipitata, anguste vel lanceo- 
lato-elliptica, utrinque bene acuminata, integerrima, ± 8 0 mm longa, 25 mm lata, char- 
tacea, praeter lepides minutas subtus dissitas immersas glabra, nitidula, supra multo mani- 
festius ac subtus prominulo-reticulata, punctis glandulosis manifestioribus destituta. In- 
florescentiae 5 — 8-florae, optime umbellatae, furfuraceae, foliis multo breviores, erectae, 
pedunculis vix ultra 15 mm longis, validis stipitatae, pedicellis 4 — 5 mm longis; flores 
3 mm longi, glabri, 5-meri; sepala ad i / i connata, margine pilis capitatis fere sessilibus 
brevissimis dense praedita, optime oo-punctulata; petala elliptica, apice rotundata et 
oblique permanifeste emarginata, punctis magnis pallidis aucta; tubus stamineus basi 
breviter cum petalis connatus antheris liberis, late triangularibus, mucronato-acutis, 
quain filamenta connata brevioribus; ovarium clavatum stylo paullo breviore, stigmate 
subobtuso. 
Madagascar: ohne Standortsangabe (Du Petit-Thouars). — Herb. Paris u. 
Fragm. im Herb. DC. * 
35. 0. falcifolium Mez n. sp. — Ramuli gracillimi, novelli bene patenterque breviter 
pilosi. Folia petiolis ± 3 mm longis stipitata, e basi breviter acuta in apicem fere fili- 
formem persensim angustata, ± 130 mm longa, 5 mm lata, glabra, paullo nitidula, vix 
costulafa, punctulis oo minutis prominulis concoloribus aucta. Inflorescentiae tenerrimae, 
optime umbellatim biflorae, usque ad 65 mm longae foliis multo breviores, dissite pilosae, 
pedunculis usque ad 35 mm longis stipitatae, pedicellis usque ad 30 mm longis; sepala 
