- 46 - 



deciduis, petiolo i cm. longo, lamina 17-300111. longa, 4-6 cm. lata, lineari-oblonga, 

 basi acuta, apice breviter acuminata, supra pallide viridia, subtus pallidiora, sub- 

 flavida, chartacea, costulis crebis approximatis, nervis intermediis parallelis. 



Nom vern. : Ko-ace (Guinée française). 

 Guinée française : Sankaran [Pobéguin 843]. 



DESCRIPTIONS DE QUELQUES MIMUSOPÉES 

 (D'après les documents de L. Pierre). 



1. Lecomtedoxa ogouensis Syn. : Mimusops ogouensis Pierre mss. 



Ramulis teretibus, glabris ; foliis, ad apicem raniulorum densissime confertis, 

 graciliter petiolatis, basi cuneatis, acumine obtuso, concoloribus, chartaceis, 

 glabris; costulis, utrinque 12-14, ad marginem arcuato-confluentibus, parum cons- 

 picuis ut nervis ; stipulis linearibus, rigidis, deciduis ; (petiolo 6-8 mm. longo, 

 lamina 5-7,5 cm. longa, 1,5-3,5 cm. lata). Pedicellis 10 mm. longis, 1-2 in axillis 

 foliorum, valde approximatis, confertis, glabris. Sepalis 5 quincuncialibus, 3 exte- 

 rioribus ovato-lanceolatis, acutis, utrinque glabris, 3 mm. longis, interioribus 

 tenuioribus ; corolla 3,5 mm. alta, 5 lobis, ovato-lanceolatis, marginibus involutis, 

 glabris 2 mm. longis, appendicibus 2, linearibus acutis sequilongis ; tubo i mm. 5 

 alto; staminodiis 5 ovato-acutis, utrinque minute pubescentibus ; staminibus 5, 

 filamentis 3/4 mm. longis, antheri i mm. 1/4 altis, ovato-lanceolatis, cordatis. 

 Ovario 5-locuI. 0,5 mm. alto, griseo-velutino, stylo 3 mm. 5 longo, puberulo ; 

 ovulis ad apicem ramulorum insertis fere atropis. 



Gabon : (Ogooué) cà Samkita [Thollon 146]. 



2. Labourdonnaisia Thouarsii Pierre mss. 



Sepala biseriata (3 -|- 3) dorso sericea vel pubescentia, intus glabra, exteriora 

 subvalvata, 5 mm. alta, oblongo-lanceolata, acuta, intus tantum ad apicem pubes- 

 centia ; interiora, imbricata, ad basim angustata, 5 mm. alta. Corolla adulta 6 mm. 

 5 alta, tubo i mm. alto, rigide carnoso, 12 lobis, 5 mm. -5, 5 mm. longis, biseria- 

 tini imbricatis, omnibus a;quilongis, emarginatis, non laciniatis sed subfimbriatis. 

 Staminodia o. Stamina 12, petalis opposita, filamentis filifbrmibus antheris lon- 

 gioribus, antheris extrorsis, apice in acumen acutum productis. Ovarium 7-loculare, 

 7-costatum, griseo tomentosum, stylo sulcato glabro, apice vix denticulato, sepalis 

 subîequilongo, loculis supra basim nascentibus. Pedunculus fructifer, 10 mm. 

 longus, crassus ; fructus oblongus vel ovatus, 30 mm. altus, 25 mm. in diametro, 

 basi calyce reflexo sufFultus, monospermus. Semen adscendens, supra basim late- 

 raliter affixum, ovato-lanceolatum, area derasa basilari, concava, ad marginem 

 sinuata, cujus ad apicem hilo prominente ; tegumentum crustaceum, supra hilum 

 4-costatum, extra aream brunneo-nitidum. Embryo adscendens, cotyledonibus 

 tenuibus ellipticis ; albumen crassum, superne bipartibile, ad basim circa caudiculam 

 connatum. Folia obovata, basi attenuata, apice cordiformia, subtus glabra, supra 

 pubescentia, costulis crebris nervisque paulo distinctis, petiolo 15 mm. longo, 

 lamina 60 mm. longa, 50 mm. lata. 



Madagascar : [Dupctit-Thonars]. 



