372 CLIII. URT[CACE^. [AHocarpece. 



Pcepp., a Bureau ad Helicostylem refertur. 0. armata, Wiq., in Seem. Bot. Her., est veri similiter 

 Castilloa species. Pseudolmedta, Kars^f. Fl. Colomh. ii. 21, t. Ul, a PscM(^o/»ie(?/«, Tree, certediverBa, 

 nobis characteres omnes Olmedice ostendere videtur, exeeptis floribus <? 5-meris, et perianthio ? 

 basi ovario adnato. , - 



47. Pseudolmedia, Tree, in Ann. >5c. Nat, ser, 3, viii. 129, f. 5. — Flores dioici, ^ 

 capitati, $ aolitariij receptaculo utriusqiie aexua bracteis co-seriatis involucrato. Fl. $ : 

 Perianthium 0, Stamina (flores singuli) niimerosa, receptaculo intra involucmra piano 

 V. concavo (sine ordine ?) imposita, sqnamis lineari-spathulatis (bracteolis ?) intermixta, 

 filanientis brevibus erectis ; antberte oblongse. Ovarii rudimentum 0. Fl. $ ; Periantbium 

 ovoideiim v. tubulosum, crassiusculum , apice foi-aniine parvo integro v. denticulato 

 pertusuni. Ovarium iuclusum, basi uno latere adnatum ; stylus ligidule filiformis, ramis 

 stigraatosis exsertis subeequalibus ; ovulum ab apice pendulum. Fructus ovoideus, peri- 

 anthio aucto camosiilo inclusus, et plus minus uno latere adnatus, involucre ad basin 

 fructus immutato ; pericarpium crustaceum. Semen proj^e apiceiu afRxuni v. {ex Baill.) 

 pericarpio lateraliter longe adnatum, testa membranacea ; albumen v. perparcum ; 

 cotyledones crasso-carnospe, valde injequales, radicula parva supera.- — Arbores fmticeave 

 (baud lactesccntes ?). Folia alterna, breriter petiolata, integcrrima, tenuiter coriacea, 

 nitidula, pcnnivcnia ; stipulio intrapetiolares, parvie, caducissim^e. Capitula ^ et flores $ 

 ad axiiliis sessilia, solitaria v. gemina. Involucri bractese utriusque sexus pluriseriatim 

 irabricatje, in foemineis tamen pauciores et sub fructu parvie, Fructus in una saltern 

 specie ruber dicitur et edulis. , 



Species 4 v. 6, Americse Iropicse Andinse et centralis et Indise occident^ilis incolae. Walp. Ann. \. 

 663. Griseb. FL Brit, W. Ind. 152. 



OL>rEDTorsis, Karst Fl. Colomh. ii. 17, ^ 109, ex icono et charactere date, a Pseudolmedia, Tree, 

 non Karst., non rite distinguitur. Genus cieterum quoad flores musL'ulos CastiUoam refert, foemineis 

 tameu ut in Obncdia soUtariis. 



48. CastlUoa, Cervant. in Gaz. Litt. MexlcOj 1704, ex Tree, in Ann. Sc. Kat. ser. 3, 

 viii. 136, t. 5. — Flores monoici, utriusque sexua dense capitati, receptaculis uniaexualibua 

 planis aut concavia bracteis pluriseriatis involucratia. Fl. ^ : Perianthium 0. Stamina 

 (flores singuli ?) in receptaculo numerosa, conferta, bracteolis intermixtis, filamentis 

 rectis ; antherse ovatse. Ovarii rudimentum 0. Fl. $ : Perianthium ovoideum, 4-lobum, 

 lobis craasia arete contiguis vix imbricatis. Ovarium inclusum, hinc perianthio adnatum ; 

 stylus brevis, ramia stigmatosis exsertis filiformibua v. lanceolatis patentibus ; ovulum sub 

 apice affixum, pendulum. Perianthia fmctifera aucta, tenuiter siicculenta v. craaso- 

 cArnosa, receptaculo insideulia nee concreta, achieiiia includontia ; pericarpium crustaceum. 

 Semen pendulum, testa membranacea ; albumen ; cotyledimes crasso-camosie, yeipiales, 

 radicula parva infera. — Arbores lactescentes. Folia alterna, brevissime petiolata, saepiua 

 ampla, integcrrima v. dentata, pennivenia ; stipulfe in tmam intrapetiolarem amplam 

 deciduam connatse. Receptacula <^ ad axillas v. ad nudes defoliatos saipius plura, 

 pedicellata ; $ solitaria, sessilia v. brevissime pedicellata. 



Species 2 v. 3, Americje centralis et ins. Cubse incolse. Walp. Ami. i. 665. Collins, Hep. Caoutch. 

 Comm. 1872, t. 2, 3. 



Genus quoad flores ? et fructus Perebe<s valde affine et forte C^Marhhamiana, Coll., cujus fl. $ 

 ignoti, ad ilium referenda erit. Flores i^ C. elasiic(Sy Cerv., fere Pseud olmedifp^ ab illis Perehete (si hi 

 rite determinati) longe difFerunt. 



40. Helicostylls, Tree, in Ann. Sc. Nat. ser, 3, viii. 134, /. 5. — Florea dioici, utriusque 

 sexua globoso-capitati, capitulia bracteis oo-aeriatiui imbricatis involucratia. Fl. <^ : 

 Perianthium 4-partitTimj scgmentia crag siuscu lis conca vis imbricatia. Stamina 4, filamentis 

 erectis ; antherse exsertee, ovatse, connectivo latiusculo. Ovarii rudimentum 0, Fl. $ : 

 Perianthium basi receptaculo seiui-imniersum concretumque, limbo 4-partito, segmentis 

 crassia camosia leviter 2-seriatim imbricatis arete conniventibua. Ovarium inclusum et 

 imo latere plus minus adnatum ; stylus tenuis, terminalis v, demum lateralis, ramis 

 atigmatosia filiformibus ssepe tortis ; ovulum ab apice pendulum, Perianthia fmctifera 



