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O r d . X L V I . R U B IA C EÆ . Juss.
L E P TO P E TA LUM . Nov. Gen.
Calycis tubus quadridentatus. Cororfaquadripartita, laciniis elongatis lineari-spathulatis angustissimis patulis
utrinque glabris. Stam in a i-, filaraentafiliformia corollam æquantia : antheræ oblongæ oscillatoriæ. Ovarium
biloculare, multiovulatum. Stylus filiformis, apice crassior et subemarginatus. Capsula hemisphoerica, com-
pressiuscula dentibus calycinis coronata bilocularis, vertice loculicida, rima dehiscens. Semina plurima in
quoque loculo, (immatura) minuta angulata Frutex glaber. Rami angulati. Folia opposita, sessiha,
ovalia, acutiuscula, basi subcordata. Stipulæ late triangulares, breves acutæ, interpatiolares ; Corymbi
terminales, trichotomi.
1. L ep to p etalum Mexicanum. ( T a b . L X I .)
Tab.-LXI. Fig. 1. Flower i / r f . 2. Corolla and stamens ; Jig. 3. Pistil 4. Fruit ; 5 . The same
cut through transversely ;—magnified.
1. ViameVia patens. Jacq.
1. VAùococca racemosa. Jacq.
1, F a ram e um ? (T e tram e iium ) --------; foliis breviter petiolatis oblongo-lanceolatis
acutis stipulis caducis ramulorum latis brevibus exaristatis, c jm a terminali trichotoma,
bacca globosa calycis dentibus brevibus coronata.
H a b . Acapulco. Apparently near F .ja ^ in o id e s or sessilifolia. Leaves two to four inches long.
1. Cepbalanthus Lin n .
1. mgffiovia distans— Borreria distans, C / t. ^ Sehl.— Spermacoce distans. H . B . K .
2. B . ?
Caules adscendentes pubescentes. Folia ovata acuminata basi iu petiolum attenuata, utnnque pubescentia.
Stipularum setæ 2-3, tubo paullo longiores. Capitulum (in frastulo unico suppetente) solitarium terminale,
3-4 lineas in diametro, foliis quatuor parvulis bracteatum. C u lji pilis albis erectis vcstitus t tubus obconicus :
limbi dentes 4, inæquales, corolla infundibiiliforrais, tubo brevi tenui.
We cannot refer this satisfactorily to any described species, although most probably it may be among those
enumerated by De Candolle ; it may be Borreria Bartlingiana, but approaches much also to B. Wydleriana.
1. Spermacoce iewMtor. L in n .— Hab. T ep ic and Talisco.
1. 'DioiSia barbigera ; p ro strata glabra, foliis oblongis acutis basi in petiolum a tten u atis,
stipularum setis 4-5 tubum basi barbatum æquantibus, floribus aggregatis verticillatis,
calycis dentibus 4 obtusis, corolla (minuta) ore albo-barbata.— H a b . Talisco.
1. M itracarp um Schizangium. De Cand. Prod. 4. p . 572.
1. Galium Aparine. L in n .—G . Mexicanum. H. B . K.
There arc three other Ilubiaceæ in this collection, but they are already noticed among those from Loo
Choo and Bonin, whence they were, in all probability, brought.