946 XLV. OLACINEJE, [Olacee. 
tubum tenuem columnarem connata; antherz in globum terminalem: stylo pervium coalitze, 
loculis 8, valvis totidem in column: apicem extrorsum reflexis dehiscentibus. Ovarium 
intra columnam stamineam sessile, in loculos 2 alte divisum ; stylus filiformis, subinteger ; 
ovula 2, a placenta centrali summo apice libera intra loculos pendula. Drupa subglobosa, 
ultra medium ealyce accreto inclusa, *sarcocarpio tenui, mesocárpio sublignoso, endocarpio 
tenui carnosulo albo" (Jide .R. Spruce) ^ Semen spurie erectum, testa membranacea 
tenui; embryo intra apicem albuminis molliter carnosi immaturi córrugati minutus,—Ar- 
buscule graciles, glabrs. Folia coriacea, oblonga, integerrima. ^ Flores parvi, graciles. 
Pedicelli filiformes, in ramulos ultimos panieule axillaris brevis fasciculati, ^ Petala per 
anthesin revoluta. Fructus a nobis visi valde accreti adhue immaturi erant. 
Species 3, in Brasilia boreali crescentes. Miers in Ann. Nat. Hist, ser. 3. iv. 360, et Contrib. t. 1. 
(A. Benthamiana, Miers, ad A. liriosmoidi reducenda). Pepp. et Endl. Nov. Gen. et Sp.iii. t. 241 
CHeisteria tubicina). 
2, zHeisteria, Linn. Gen. n. 535. (Hesioda, Vell, Fl. Flum. iv. t. 140).—Calyx florifer - 
minutus, 5-6-dentatus v. -lobatus, fructifer maximus eupulatus v. patens, integer undulatus 
v. profunde lobatus. Petala 5-6, hypogyna, brevia, valvata, intus plus minus vilosa. Sta- 
mina petalis duplo pluria v. rarissime numero :equalia et alterna, hypogyna v. basi petalis 
adnata, filamentis filiformibus v. complanatis; antheree parvs, didym:w. Ovarium carno- 
sum, alte (v. interdum perfecte?) 3-loculare; stylus brevis, conicus, stigmate parvo sub- 
3-lobo; ovula 3 a placenta centrali summo apice (an semper?) libera intra loculos pen- 
qula. Drupa globosa v. oblonga, calyce aucto inclusa v. suffulta, sarcocarpio tenui, endo- 
carpio crustaceo. Semen spurie erectum ; embryo intra apicem albuminis molliter carnosi 
minutus, radicula crassa, cotyledonibus foliaceis brevibus.— Frutices arboresve glabri, 
Folia integerrima, coriacea. Flores minimi, ad axillas fasciculati, sessiles v. pedicellati. 
Calyx fructifer ssepius coccineus v. niveus, nunc (in Z7. Kappleri, Sag.) membranaceus 4- 
unc. diametro, nune crassiusculus erectus, patens v. rarius reflexus, — Drupw s:epius albs, 
calyce breviores v. rarius longiores. 
Species ad 10, una in Africa tropica occidentali, ceterev in America tropica crescentes. DC. Prod. 
i. 532.  Walp. Hep. ii. 808: Anm. ii. 181; iv. 353, additis nonnullis Spruceanis adhue ineditis. 
Jacq. Stirp. Amer. t. 81.  Pepp. et Endl. Nov. Gen. et Sp. iii. 241 (H. cyanocarpa). 
AcRoLozus, Klotzsch, in Verh. Akad. Wiss. Berl. 1856, 236. 4. 3, genus ad speciem Africanam 
stabilitum, nee habitu nec ullo eharactere ab Americanis differt. 
RuarrosrvruM, Humb. et Bonpl. Pl. ZEquin. ii. 189. t, 1960; H. B. et. K. Nov. Gen. et Sp. vii. £; 
621, etsi fructus ignotus, ad Heisteriam referendum videtur. Species 9-andra a Spruceo lecta, quam 
postea fructiferam aecepimus, est certe hujus generis. 
3. Ximenia, Linn. Gen. n. 477. (Heymassoli, Aubl. Pl. Gui. 324. t. 195.) —Calyx parvus, 
4-5-dentatus v. -lobatus, fructifer immutatus. Petala 4-5, hypogyna, valvata, angusta, 
intus barbata, Stamina petalis duplo pluria, filamentis filiformibus; antherz lineares, 
erectz, integrse, rimis oppositis dehiscentes. Ovarium basi v. altius 3-loculare; stylus in- 
teger, stigmate subcapitato; ovula 3, linearia, a placenta centrali superne libera v. uno 
latere parieti affixa, intra loculos pendula. ^ Drupa ovoidea v. globosa, carne pulposa, puta- 
mine crustaceo v. sublignoso. Semen spurie erectum; embryo intra apicem albuminis 
carnosi minimus.—Frutices v. arbores glabre v. tomentose, ramulis abortienti-spinescen- 
tibus sepe armate. Folia alterna, integerrima, subcoriacea, sspe fasciculata. ^ Flores 
albidi, quam in plerisque O/acineis majores, in cymas breves axillares dispositi v. rarius 
solitarii. 
Species nobis notze 4, una Mexicana, altera austro-Afrieana, tertia in insulis Oceani Paeifici aus- 
tralis erescens, quarta per regiones tropicas utriusque orbis late dispersa. —.DC. Prod. i. 533 (excl. X. 
lanceolata). | Walp. Hep. i. 311 (excel. X. olacioidi); v. 137: A4nm.ii. 180. — Labill. Sert. Austr. 
Caled.t. 37. Hook. lc. Pl. t. 350. Embryo in ieone Labillardieri X. e//iptice albuminis fere 
longitudine pingitur, nos tamen in specie ut videtur eadem, fruetu sphzrico, minimum vidimus ut in 
A. americana. : 
4. Ptychopetalum, ZentA. in Hook. Lond. Journ. ii. 370. (Athesiandra, Miers in Ann, 
