168 Mr D. Don on the Affinities of Lipoatoma, ^r. 



Loranthece appears fully justified ; and I have no doubt that it 

 Avill ultimately be found to form the connecting link between 

 the Araliacece and that family. 



LIPOSTOMA. 



Syst. Linn. TETRANDRIA MONOGYNIA. 

 Ord. Nat. RUBIACEjE, Juss. 



Char, essent. Calyj: 4-fidus. Corolla tubulosa, 4-loba. Capsula opercularis ! 

 polysperma. 



Calt/a; limbo 4-partitus. Corolla basi tubulosa, fauce ventricosa, canipanu- 

 lata, limbo 4-loba : tubo intiis superne barbato : lobis nvatis, jiatulis, sestiva- 

 tione valvatis (hinc limbus inexplicatus tetragonus). Stamina 4, corollae lo- 

 bis altema, faucique inserta : filamenta compressa, glabra, inferne cum tubo 

 coroUae connata : anthera lineares, medio insertse, versatiles : loculis basi pa- 

 rAm divergentibus ; vahmld extcriore niajcre. Ovarium bilociilare, calycis tubo 

 arctissime adhterens, apice prominulum, emarginatum, subinde bicallosum : 

 disco epigyno planiusculo, suborbiculato : ovidis in quoque loculo plurimis. 

 Stylus capillaris, glaber. Stigmata 2, subulata, undique papilloso-hispidula. 

 Capsula globosa, bilocularis, opercularis ! septo medio membranaceo saepiiis 

 disrupto unilocularis, polysperma •- operculo planiusculo, deciduo. Placenta 

 2, sphericte, stipitatte, septo infra medium insertse : stipite compresso, adscen- 

 denti. Semina parva, confertlssima, angulata, scabra : testa membranacea : 

 albumen copiosum, corneum. Embryo axilis, erectus, lacteus : cotyledones ob- 

 longffi, plano-convexae : radicula cylindracea, obtusa, infera, cotyledonibus 

 par6m longior. 



Herbae (Brasilienses) d«/fks<E, /)J/osis. T o]ia opposila,petiolata. Stipulae smS- 

 ulatcE, interpetiolares. Flores sessiles, capitati, bracteolis interjecti. Capitula 

 pedunculata, solitaria, axillaria. Corolla ccerulea. Ovaria stepius abortientia. 



1. L. capitatum, pilis patulis, foliis subrotundis. 



yEginetia capitata Grafiam, in Edinb. New Phil. Journ. for April 1828, 



p. 389. 

 Hedyotis campanuliflora — Hook, in Bot. Mag. t. 2840. 



Hab. in Brasilia. Sello. 11 (v. v. c. et s. sp. in Herb. Lamb). 



Herba habitu Pomacis, perennis, procumbens, diffuse ramosissima, tota hir- 

 sutissima ; pilis simplicibus, patulis. Caules teretes, nunc purpurascentes, 

 palmares v. spitliamtei, aut dodrantales. Folia opposita, petiolata, subrotun- 

 da, undulata, nervosa, poUicaria, supra gramineo-viridia, subtiis pallidiora, 

 nitidissima, venis arcu itis prominulis. Petioli semiteretes, basi annulo ]>ro- 

 minulo connati, brevissinii, vix 3 lineas longi. Stipulce subulatae, interpe- 

 tiolares, petiolis longiores. Capitula axillaria, solitaria, longe pedunculata. Pe. 

 dunculi bipoUicares. Corolla majuscula, amoene coerulea, fauce lutea, extus 

 pilosa. CapsulcB operculum calycis limbo connatum, simulijue decidiium. 

 Semina fusca, hinc convexa, inde compresso-angulala, undique tuherculata. 



