408 Th. Loesener, 



rarissime sublauceolata, margine revoluto integerrimo vel raro obsolete serru- 

 lato- pauei-dentieulato, basi acuta vel euneato-acuta in petiolum angustata, 

 apiee rotinulata vel obtusa, vel rarius obtuse acuminata vel retusa, interdum 

 obsolete mucroniilata, 6 — 13 cm longa, 2 — 5 cm lata, coriaeea vel subchartaeea, 

 glabra, i. s. supra olivacea + brunneseentia nitida vel nitidula, costa media supra 

 impressa vel siibinseulpta rarius subplana, subtus prominente vel expressa, 

 nervis lateralibus utrinque eirc. 8 — 12 hinc inde minoribus intermixtis sub angulo 

 cire. (30" iuxta basin sub angulo cire. 45 — 50" patentibus, rectis vel paullulum ad 

 apicem versus arcuatis, supra prominulis vel tantum eons])ieuis, subtus pro- 

 minentibus, iuxta margineln laxiuscule reticulatis. 



Inflorescentiae in fol. axill. eirc. 4— 8-fasciculatae, raro axi communi 

 breviter iam evoluto pseudopanniculatae. cf plerumque semel rarius bis dicho- 

 tomae, 5 plerumque 1-florae, ut bracteae fulcrantes callosae anguste subulato- trian- 

 guläres obtusiusculae sub lente subtilissime pul)erulae, pedunculis in q^ cire. 10 — 

 14 mm long., bracteis prophyllisque angustius vel latius triangularibus , braeteis cire. 

 0,5, propbyll. cire. 0.25 mm longis, in q' pedieellorum cire. 2 mm long, basi, in + 

 iuxta basin vel sub medio pedicello sub fruetu usque 7 mm longo insertis. Flores 4-raro 

 5-meri, alabastris ellipsoideis, saepius subangustis, inter minores. Calyx patelliformi- 

 cupuliformis, vix 2 mm diam., lobis in q^ plerumque tubo longioribus subovatis, + 

 acutis, in $ tubo aequilongis rotundatis, integris, vix 1 mm lat, cire. 0,75 mm 

 longis. Corolla subrotata, alba (ex Funck), petalis ovalibus subovatis vel ellipticis 

 ima basi connatis, in 5 interdum subliberis, 1,5 — vix 2 mm longis, 1 — 1.25 mm latis. 

 Stamina in fi. q' sub anthesi petalis aequilonga vel paullulo breviora, an- 

 theris filamento brevioribus. Staminodia fl. $ petalis paullulo breviora, au- 

 tberis obtuse et late subcordiformibus, ((uam filamenta brevioribus. Ovarium fl. i 

 depresso-subovoideum, stigmate capitato-discoideo 4-lobo coronatum, cire. 1,5 mm 

 longum, vix 1 mm crassum, plerum(|ue 4-loculare. Pistillodium fl. (j' conicum, 

 apice saepius eonstrictum, in lobulos + connatos angustatum, cire. 1 mm longum, 0,5 mm 

 crassum. Drupa ellipsoidea, stigmate prominulo i. s. nigrescente coronata, vix 6 mm 

 longa, 4,25 mm crassa, exocarpio rubre i. s. brunnescente, in sicco minute rugosa, 

 4- rarius 5-pyrena, pyrenis trigonis, subeoriaceis, laevibus, vix 5 mm long., 

 vix 2 mm latis, una alterave interdum aboriente. 



Var. a. Macoiicoua (Pers.) Loes.; foliis 4 — 12 mm, raro tantum 2 mm longo 

 petiolatis; inflor. (f semel vel rarius bis dicliotomis, 3 — 7-flüris. 



Macoiicoua guianensis Aiihl. Hist. jü. Giiian. I. 1775. p. 88 et tah. 34; Lain. 

 Encycl III. p. 669, et ill. tah. lh\ Vitm. Summ. Fl. I. p. 355; Poir. Suppt. III. p. 65. 



Labatia Scop. Introd. 1777. p. 197. 



Hex acuminata Willd. Spec. I. p. 711; Roem. et Schult. Syst. lII. p. 492; Mant. III. 

 p. 333 {excl. syn. Cassine Maurocenia Sieh.). 



I. Maeoucoua Pers. Syn. PL I. p. 152; DC. Prodr. II. p. 15 pro parte (nempe 

 tantum spiecim. in Guyana lectum); Spreng. Syst. I. p. 496; Don Hill. IL p. 19; Dietr. 

 Stjn. I. p. 555 {excl. syn. Cassine Mauroc. Sieh.); Miq. in Linnaea XVIII. 1844. p. 736; 

 Reis.s. in Flor. Bras. XL 1. p. 55 et tah. XII. fiy. 15 {excl. syn. Cass. Mauroc. Sieb.); 

 Griscb. Flor. Brit. W. Ind. Isl. p. 147 {excl. syn.), Bello Äp. n. 149?; Maxim, in Mem. 



