Mirahiliece.] CXXVlII. NYCTAGlNE^. $ 



' sequalibus v. 2-3 c^eteris longioribus, erectia lanceolatia obtusiusculia induplicato-val- 

 vatis. Stamina 2, rarissime 3, hypogyna, filamentis elongatis filiformibns complanatis ; 

 antherse oblongse, inclu3<'e, loculis sejimctis obtusis. Ovarium oblique oblongum, com- 

 pressum, basi attemiatum, apice oblique truncatum, stellato-tomentosum, stigmate seasili 

 subterminali papilloso. Utriculus basi perianthii accrescentis tenuiter coriacei inclusus 

 conaceus, tomentosus, inferne costatus. Semen sessile, subglobosnm, le^-iter compressum 

 basi rostellatum, testa tenuiter Crustacea picea niticla, albuminis strato tenui carnoso ; 

 embryo uncinatus, cotyledonibus conduplicatis, radicula apice intra seminis rostellvmi acuta. 

 — Frutex v. arbuscula, pilis stellatis griseo-pubescens, ramulis teretibus. Folia altema 

 breviter petiolata, ovata, aubacuta, integerrimaj apice glandnla nuda instructa. Floras 

 numerosij axillares, fasciculati, pedicellati, tomentosi, pedicellis basi minute bracteolatis. 



Species 1, Brasilise australis et Paraguay incola. Hook./. Ic. PL t. 1290. 



TkIBUS II. PiSONIEiE. 



17. Plsonia, Linn. Gen. n. 11C2. (Calpidia, Tlwu. Rist.Vcg. Isles Afr. Aust. (]804)3T, 

 t 10. Ceodes, Font Char. Gen. 141, t. 71. Ton^ubia, Bessera, Pallavia, et Columella, 

 Veil. Fl. Flvm. 139, 147, 151, 155, Ic. iii. t 150, iv. t. 2, 12, 17.)— Flores dioici, rarius 

 monoici v. hermaphroditi, exinvolucrati, 2-3-bracteolati. Perianthium J tubuloso- v. 

 infundibulari-campanulatum, $ magis oblongum, tubo basi ssepe ampliato ; linibi lobi 

 V. dentes 5, breves, induplicato-valvati, erecti v. patentes. Stamina G-10, filamentis 

 inajquilongis v. alternis longioribus filiformibus, basi in tubum v. annulum connatis ; 

 antherse oblongje v. didymre, exsertse. Ovarium elongato-ovoidcum, sessile, in stylum 

 gracilcm inclusum v. exsertum attenuatum, stigmate capitellato pcltato v. s^epius fimbriato- 

 mnltifido laciniis capiUaribus. Anthocarpium coriaceum v. indiu-atum rarius carnosulum, 

 oblongum lineare v. clavatum, cylindraceum compressum v. pentagonum, teres sulcatum 

 V. costatum, Ifeve tuberculatum v. glandulis stipitatis viscum exsudentibus pr^editum. 

 Utriculus clongatus, membranaceus. Seminis testa hyalina, pericarpio adhcerens ; embryo 

 rectus, cotyledonibus latis tenuibus contortuplicatis basi v. basi et apice cordatis 

 albumen parcum plus minusve mucosum involventibus, radicula brevi infera. — Arbores 

 et frutices, inermes v. rarius spinosi, glabri v. pubescontes, erecti v. rarius subscandentes. 

 Folia oppoftita v.- sparsa, sesailia V. petiolata, oblonga ovata v. lanceolata, integerrima. 

 Flores parvi, rosei virescentes v. flavidi, in cymas paniculatas subsessilea v. pedunculatas 

 dispositi. Fructus parvus v. majusculus. 



Species ad 60, plerseque Americae tropicse incolae, paucse Asiatiese et insulis Pacificis indigoiiEP, 

 6 in insulis Mascarenaibus ; P. aculeata sola, species gerontogea, hactenus in Africa continentali 

 detecta. Chov^. in I)C. Prod. xiii. ii. 440. Walp. Am. y. 722. Miq. Fl. hid. Bat. i. i. 989. 

 Griseh. FL Brit. W. Ind. 70. Benth. FL AustmL \. 279. Baker, FL Maurit. 262. Ca^arcito, Nov. 

 Sfirp. Dec. 68. J. A. Schmidt in Mart. FL Bras. xiv. ii. 353, t. 83, 84. G{ert}i. Fruct. i. t. 76. 

 Lam. lU. t. 8G1. I'hdL Iconogr, (. 30. FresL Sijinh. t ^Q. Belcsa. Ic, ScL iii. t. 87, Jac</. Hurt. 

 Scha'iih. iii. L 314. Link. KL et Otto, Ic. PL t 15. Walp. in PL Meyen. i. 11. Seem. Bot. Her. t. 

 34. Wight Ic. t. 17G3 ad 1765. Ilooh f. FL Nov. ZeL i. t. 50. Albuminis copia et indoles de specie 

 in specium variat, mucibiginosa carnosa v. subfariuacea, quare genus Calpidia, Thou., a BronoTi. et 

 Gris. in Ann. Sc. Nat. scr. 4, i. 339, restitutum, delendnm est. 



18. Weea, Buiz et Pav. Prod. FL Per. ct Ch'd. 52, t 9. (Mitscherlicliia, Kunth m 

 AhlmndL Bcrl. AlmL 1831, 209 et 1832, t. 3.)— Flores monoici v. dioici, exinvolucrati, 

 bracteolati. Fl. ^ : Periaiithium urceolatuui gloljosuin v. cainpujuilatum, breviter 4 5- 

 dentatum, ore apevto v. constricto v. fere clause, dentibua breviter iuduplicatg-valvatis. 

 Stamina 5-10, inclusa, fundo perianthii inserta, filamentis inje<piilongis ; antherre 

 oblongie. Ovarii rudimentum saepius 0. Fl. $ : Perianthium oblongum v. urceolatuui 

 tubo infra medium sajpissime crasse carnoso ibidemque dilatato v. angiistato intus supra 

 ovarium constricto, ore 4-5-dentato sa)pissime contracto. Staminum rudimenta medio tubo 

 insei-ta, filamentis brevissimis ; anther.^ cassse. Ovarium anguste ovoideum, basi carnosa 

 perianthii inclusum ; stylus terminalis, filiformis, rarissime exsertus, stigmate simplici v. 



