726 CVI. APOCYNACE^, [EchiUdecB, 



97. Macrosiphonla, Uwll Ai^/mMaH. FL Bras, vl 137, t. 42, 43.— Calyx alte 5- 

 fidus, basi intus co-glandulosiiSj lobia angustis. Corollje tubus saspius longissimu.Sj cylin- 

 oracens ; faux "brcviter campamilata, rarius late tubulosa et tubo breiaor, esquamata ; 

 lobi 5, lati, siepe crispi, contorti, dextrorsum obtegentes, sinistrorsiim torti. Stamina 

 sumuao tubo affixa^ fauce incluaa; filamentis brevissimis ; anthers oblongse, obtusiuscul^, 

 circa stigma conniventes et ei medio adh?ereiites, loculis basi in appendiculas obtusas 

 adnatas productis* Discus e squamis 5, quarum 3 libera, 2 in unam carpellia altemam 

 Qonnatis- Ovarii carpella 2, distincta ; stylus filiformis ; stigma crasso-coriaceum, 5- 

 castatiim, basi in lobos 5 rofluxos v, in membraiiam reflexam 5'lobam dilatatum, apiculo 

 acuto vix 2-fido ; ovula in quoque carpello numerosa, Folliculi recti, teretes, continui 

 .y. subtorulosi- Semina oblonga^ apice coma t^rdius decidua coronata ; albumen craa- 

 fliusculuin ; cotyledoiies oblongjie ; radicula brcvis. — Suffhitices erecti, simplicea v. parum 

 raiuosi. Folia opposita v, verticillata, ssepe margine undulato-crispa. Flores in racemo 

 terminali v, demum pseudo-axillari pauci v. solitarii, pedicellis brevissimis- CoroUse 

 spocios^, ill una specie eemipedales, a^epiua extus tomeiitosas, albee flava; v. coccinese. 



Species ad 10, quarum 6 Brasilianse 4 Mexican o-Texanae. A. DC. Prod. viii. 471 (Echitis sect. Me- 

 gasi^hon). Disf..in Menu Mus. Far. v. U 20 {Echites). Torr. Hot. Emory Exp. 158, t. 43. 



4 



I 



98, nipiadenia, A, DC, Prod. viii. 481. — Calyx S-partitus, basi intua glandulis v, 

 squamellis paucis instructus, ^egmentis laiigeolatis. Corolla infundibularis v, subhypo- 

 crateriformis, tubo cylindraceo intus sub stamina reflexo-pilosOj fauce latins tubulosa v. 

 campannlato-dilatata esquamata ; lobi 5, patentes, contorti, dextroraum obtegentes, lati^ 

 sinistrorsum torti. Stamina ad apicem tubi affixa, fauce inclusa, filamentis brevissimia ; 

 J ajitlier^t oblongs, brcvissimc acuminat^j circa stigma conniventes et ei medio adhterentes, 

 loculis baai in appendiculas obtusas alte adnatas productis. Discus e squamis 2 camosis 

 carpellis alternis. Ovarii carpella 2, distincta ; stylus filiformis ; stigma crassum, basi in 

 membranq-m refiexam 5-lobam dilatatum ; ovula in quoque carpello numerosa^ Folliculi 

 divergentes v. divaricatij teretes* Semina oblonga v, lineariaj apice truncata et coma 

 caduca coronata. — Sufiruticea v. frutices primum erecti, demum interdura scandentes. 

 Folia opposita, dissite pennivenia, Racemi terminales v. demum pseudo-axillares, sim- 

 plices V. rarissime 2-fidij bracteis parvis- Florea speciosi, a-'iepius rosei v. purpurei. 



Species ad 24, Amoricse tropicae imprimis Brasilia* ot Guianse iucolfe. Wal;p. Ann, i. 4>,04;, iii. 44 ; 

 V. 406, MtidL Arg, in Mart Fl, Bras. vi. 121. 



Genus nh.Echite et Mmtdevilla imprimis disco 2-squainato divcrsum, in sectiones sequentes 

 diTiditur : 



L 



1. Erythrechites. Corolla bypocrateriformis Echitis, tubo supra stamina ad faucem eonstricto. 

 Caules erecti. MuelJ. Arg. /.c. t 36 et 37. fg- 1- Hook. Ic. PL t. 470 {Echites). FL des Serres, 

 lSi5, Aug. LG. ^,_^^ , 



j,2y LeucechiCes. Corolla Echitis. Disci squamae minimae. Caules alte scandentes, foliis eubtus 

 tomentosis, racemis dense multifloris, MiielL Arg. L c. t. 37, fy' 2, 38, 39. Hue f'tiam I). Fendlcri, 

 Muell. Arg, in Linnsea, xxx. 417 (quse videtur Echites congesfa, H. B, et K.), et I), stenoloba^ Muoll. 

 Arg. in v. Heurck. PI. Nov. 158. 



3, Etidijiladenia, Corolla infundibularis ifand^viffcF. Caiiles crecti v. scandentes, Boi. Mag. t, 

 "4414, 4828, 5783. Bot. Beg. 1843, t. 27 ; 1844, t 64. FL des Serves, L 425, 437. ' 



4 ? Presfoniopsis (Phestoniophts, MuelL Arg, in Bot. Zeit, 1860, 22, et in Linn^a, sxx. 439) a 

 Leucechite differrc videtur calyce intus multiglandnloso et inflorescentia ramosa, sed ad spccinieii 

 mancum descripta fuit. 



* r r ^ * T ' * * - 



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( 



, 99, mandeviUa, L'hiidL Bot Beg, 1840, (. 7- (Amblyanthera, MuelL Arg. in Mart, 

 Fl. Bras. \L 141, t. 44, 45.) — Calyx 5-partitns, basi intus oo-glandulosua v. 5-aquamatus, 

 lobia ampins acutis angiistiave. Corolla infiittdibularis, tubo cylindraceo v. ovoideo, fauce 

 campanulata v, oblonga esquamata ; lobi 5, lati, contorti, dextrorsum obtegentea, parum 

 torti. Stamina ad apicem tubi affixa^ fauce inclusa, filamentis brevissimia ; anthersB pb- 

 longae, obtus^i v- breviter acuminata©, circa stigma conniventea et ei medio adh^-erentes, 



.H .J'J; 



