Chrysobalanec.] LVIIL ROSACEZE. 609 
Ovarium ori calycis unilateraliter insertum, apice lanuginosum, 1l-loculare; stylus basi- 
laris, capillaris, longissimus, glaber, basi dilatatus, dorso sulcatus, stigmate minuto; 
ovula 2, adscendentia, Nux sicca, oblonga v. obpyriformis, subcompressa, crustacea, 
J-sperma, loculo intus pilis fulvis hispido. ^ Semen erectum, obpyriforme, testa membra- 
nacea fulvo-pilosa embryoni adh:wrente; embryo magnus, compresso-obpyriformis, coty- 
ledonibus conferruminatis.—Frutices v. arbuscule erects v. scandentes, ramulis glabris v. 
tomentosis. Folia alterna, breviter petiolata, coriacea, integerrima, glaberrima, utrinque 
nitida.  Stipule subulatz, decidus, Racemi simplices v. compositi, axillares et termi- 
nales, multiflorij puberuli v. sericeo-tomentosi. Flores mediocres v. majusculi ; calycis 
tubus extus glaber v. sericeo-tomentosus, intus pilis reflexis onustus; filamentorum lamina 
calyce longior. Drupa magna. : 
Species 4, Africce occidentalis tropieze ad Biafram incole. 
ll. Lecostemon, Joc. ef Sess. ex DC. Prod. ii. 689.— Flores hermaphroditi v. poly- 
gami. Calyx breviter late cupuliformis, dentibus 5 brevibus v. obsoletis. Petala 5, mar- 
gini disci inserta, imbricata, decidua. Stamina numerosa, multiseriata, disco imposita, 
filamentis brevissimis persistentibus; anthere longe lineares, erectw, basifixwe, caducrze. 
Diseus tumidus v. cupularis, fundum calycis implens. Ovarium sessile, globosum, glabrum, 
l-loeulare v. spurie sub-2-loculare; stylus basilaris, crasse filiformis, apice acutus, longi- 
tudinaliter intus stigmatosus ; ovula 2, placentee membranaces interdum in septum spu- 
rium expanss inserta. Drupa subsicca, parva, pisiformis, pedicello post anthesin sspe 
incrassato suffulta, putamine crustaceo l-spermo intus glabro. Semen reniformi-globo- 
sum, testa membranacea ; cotyledones crasse, fere v. omnino conferruminate; radicula 
parva, incurva.—fFrutices glaberrimi. Folia alterna, crassa, coriacea, integerrima, ssepis- 
sime magna, obovata, in petiolum attenuata.  Stipule parvse, subulatze v. obsolet:. 
Flores racemosi v. paniculati, pedunculis pedicellisque crassis, pedicellis sepe cernuis et 
post anthesin valde incrassatis. Petala nunc glanduloso-punctata et antherz caducissimze. 
Species ad 6, Mexici, Guiansz et Brasilie tropicze incole.  Ben/h. im Hook. Kew Journ. v. 293. 
Hook. f. in Mart. Fl. Bras, ined. 
12. Stylobasium, Jesf. in Mem. Mus. v, 37. t£. 2. (Macrostigma, Hook. Ic. PI. t. 412.) 
— Calyx turbinato-campanulatus, 5-lobus, lobis obtusis imbricatis. Petala 0. Discus 0. 
Stamina 10, hypogyna, filamentis filiformibus persistentibus; antherz magn:e, lineares, 
basifixre, exsertzee. Ovarium in fundo calycis sessile, subglobosum, l-loculare; stylus basi- 
laris, curvus, stigmate magno peltato grosse glanduloso; ovula 2, basilaria, Nux (v. drupa 
carne parca sicca) globosa, calyce ampliato suffulta, crasse coriacea v. ossea, l-sperma. 
Semen erectum, subglobosum, testa membranacea, albuminis vestigiis teste adhrerenti- 
bus; embryo transverse induplieatus, cotyledonibus oblongis crassis, radicula majuscula 
conica infera.—Fruticuli glabri v. ramulis puberulis. Folia sparsa, linearia v. anguste 
obcuneata, apice obtusa v. obcordata, integerrima, crasse coriacea, enervia.  Stipulwe 
minimse subulatze v. 0. Flores axillares, solitarii, breviter pedicellati, pedicellis l-brac- 
teolatis. 
Species 3, Australi; austro-occidentalis incole. — Bent. Fl. Austral. ii, 427. 
'Tuisus II. PnuNEX. 
13. Prunus, Linn. Gen. n. 620.—C4lyx deciduus; tubus obconieus urceolatus v. tubu- 
losus; limbi lobi 5, imbricati. Petala 5, calycis fauci inserta. Stamina 15-20, cum petalis 
inserta, filamentis filiformibus liberis.  Carpella solitaria, rarissime 2 v. plura; stylvs 
terminalis, stigmate peltato v. truncato; ovula 2, collateralia. Drupa carnosa, pu- 
tamine osseo levi v. rugoso, indehiscens v. 2-valvis, l-sperma. Semina pendula, testa 
membranacea; albuminis stratum tenue v. 0; radicula supera.—A rbores v. frutices. Folia 
alterna, simplicia, ssepissime serrulata, vernatione complicata v. convoluta. Flores soli- 
tarii, faseiculato-corymbosi v. in racemos dispositi, albi v. rosei. Fructus ssepe edulis. 
Species ad 80, plerzque hemisphzwrii borealis temperati incole, in America tropica sat nume- 
roswe, in Asia tropica rave; in Afriea tropiea et australi, America australi frigida, Australia et 
Polynesia omnino desunt. 
VOL. I. 2R 
