Euhasellece. ] CXXXI. CHENOPODIACE^. 77 



Species 1, Asise et Africse tropicse indigena, alibi inter tropica cnlta, Moq. in DC. Prod. xui. u. 

 222 {excl. cit, H, B. et K.), Gcsrtii. Friict. 126. Lam. III. t. 215,/. 1. m^ht, Ic. t. 896. Jacq, 

 f. Eclog. t. 161. 



77. Tournonia, Mo(i, in DC. Prod. xiii. ii. 225.— Flores hermaphroditi, cum pedicello 

 apice ebracteolato articulati ; bracteola; florales basi periaiithii adnata;, orbiculares, 

 concavte. Perianthium carnosulum, 5-partitum, tubo brevi ; segnienta oblongo- rotundata, 

 sub^qualia, obtusa, reticulatim nervosa. Stamina 5, fauci tubi inserta ; antlierse parvse, 

 late oblongs, versatiles, in alabastro postic?e. Ovarium late ovoideum ; styli 3, basi con- 

 nati, stigmatibus capitatis ; ovulum subses^ile. Utriculus perianthio immutato inclusus?, 

 compresso-ovoideus, pericarpio membranaceo. Semen erectum . . / ^Herba volubilis, 

 glaberrima, gracilis, exsiccata nigrescens. Folia altema, petiolata, ovato- v. rotundato- 

 cordata, nervosa et reticiilatim venosa. Flores minuti, in racemos abbreviatos axillares 

 cymoso-ramosos dispositi, rhaclii pedicellisque crassis. Bractea ad basin pedicelli brevis, 

 caduca ; bracteolai infraflorales si adsint valde iuconspicuse, pedicello adnatfe, florales 

 perianthii laciniis consimiles, sed breviores et latiores. 



Species 1.. NovEe Granada ad Quindiix incola. Descriptio fruetus ex Moq, I. c. 



78. truucus, Lozano m Setmn. Nuov. Granad. 1809, 185, ex DC. Prod. iii. 360. 



(Melloca, Lindl. in Card. Chron. 1847, 685, et 1848, 828, cirni ic, xylog .)—FloTea herma- 

 phroditi, cum pedicello apice 2-bracteolato articulati ; bracteola3 infraflorales miniitissimse, 

 pedicello persistentes ; florales basi periantliii inserti^, orbiculares. Perianthium 

 rotatum, membranaceum, 5-partitum, tubo brevissimo ; segmenta aiqualia, a basi late 

 ovata, caudato-acuminata. Stamina 5, fauci tubi inserta, filamentis brevibus subulatis ; 

 anthera^ minutae, basifix^, fere orbiculares, rimis lateralibus supra medium dehiscentes, 

 in alabastro erects. Ovarium minuttun, subglobosum ; stylus brevis, crassus, stigmate 

 obtuso ; o^a^lum subsessile. Fruetus perianthio infeme inclusus, ovoideus, baccatus. 

 Semen ' erectum . . . — Herba carnosida, decumbens et volubilis, rhizomate repente 

 caulibusque angulatis radices tuberiferas emittentibus. Folia alterna, crasse petiolata, 

 rotundato-cordata, acuta, integerrima. Flores in racemos axiUares ami^los laxifloros 

 dispositi, aurei. Bractea ad basin pedicelli lanceolata, membranacea, pcrsiatens ;^ brac- 

 teolse infraflorales valde inconspicure, florales membranacese, perianthio multo breviores. 



Species 1, in Andibus Aiiicricae australis indigena et culta. Moq. in DC. Prod. xui. n. 224 

 (Mellowi). Dene, hi Eev. Horth. ser. 3, ii. 441,/ 25, Hook. Hot. Mag. t. 4617, ic. in Lem. Jard. 

 Fleur. t. 221, repetita. Fruetus a nobis non visus, et semiua a nomine descripta. Genus structura 

 antherarum ab omnibus affinibus diversum. Opus Lozani a CandoUeo citatum nobis ignotnm est. 

 nee in ulla Bibliographia Botaniea reeensitum. Nomen tamen, etsi primum in Prodronio cditum, 

 jure prioritatis gaudeat contra Lindleyanura. 



TrIBUS XII. BoUSblNGAULTIE^. 



79. Boussingaultia, il. B. et K. Nov. Gen. et Sp. vii. 194, t 645 6w.— Flores hermapluo- 

 diti cum pediceUo apice 2-bracteolato articulati ; bracteolai infraflorales persistentes v. 

 decidu^ ; florales basi v. supra basin perianthii adnatae. Perianthium membranaceum 

 V. carnosulum, 5-partitum, tubo brevi ; segmenta oblonga, obtusa, concava, patentia. 

 Stamina 5, fauce tubi perianthii inserta, filamentis filiformi-subiilatis in alabastro supra 

 medium reflexis ; anthers oblongEe, versatiles, inclusse. Ovarium ovoideum, umbunatum ; 

 stylus validus, rectus v. flexuosus, stigmate magno 3-lobo, v. styli 3, stigmatibus capitatis 

 V. clavatis ; ovulum subsessile. Utriculus periantMo inclusus, globosus, apice umbonatus, 

 crasse stipitatus, pericarpio crassiusculo semini adhiorente. Semen erectum, subreniforme, 

 testa Crustacea ; embryo semi annularis, clavatus, albumen farinaceum semicuigens, coty- 

 ledonibus latis plano-convexis, radicula crassa descendente.— Herbpe glaberrimie, volu- 

 biles, radice perennante, caulibus robustis v. graciHbus. Folia altema, petiolata v. 

 «„v«^„.o^a «^«+« ^llinfiPa V. cordata. carnosa v. crassiuscula, integerrima. Flores parvi, 



