WESTERN TROPICAL AMERICA. 73 
The flowers of this species are very near to those of the Brazilian C. criuva, 
St. Hil.; the foliage and inflorescence agree pretty well with Kunth’s description 
of C. multiflora, but it is evidently distinct from either. 
90. TrrPLaNnpDRON lineatum, gen. nov. (Plate XX VIIL.)—Tumaco and San Pedro in Columbia. 
Cuar. Gen. Flores dioici. Masculi: Calyx bibracteatus, 4-sepalus. Corolla 4-petala. Stamina 
numerosa, triseriata, in massam tetragonam convexam connata, seriei interioris majora; filamenta 
crassa, angulato-concreta; anther terminales, connectivo immerse, loculis rima oblonga dehiscen- 
tibus. Flores foeminei: Calyx et corolla maris. Stamina sterilia in cupulam carnosam tetragonam 
ovarium cingentem connata. Ovarium tetragono-globosum, stigmata plurima (circa 9) sessilia, 
radiantia. Ovarii loculi totidem (pluriovulati ?). 
Species unica. 7. lineatum. Arbor.20-pedalis. Folia petiolata, opposita, 3-5-pollicaria, ovali-oblonga, 
utrinque acuta vel rarius apice obtusiuscula, coriacea, percursa venulis crebris parallele divergentibus utrinque 
prominulis et lineolis tenuibus in sicco purpurascentibus nervo medio subparallelis a basi ad apicem folii extensis. 
Petiolus 3-8 lin. longus, basi subdilatatus et intus (in glandulam?) incrassatus. Pedunculi ad apices ramorum 
vel ramulorum brevium axillarium, brevissimi, terni, recurvi. Bracteee orbiculate, 2 lin. longe. Sepala 
orbiculata, concava, coriacea, 4 lin. longa. Petala 8-9 lin. longa, patentia, obovato-rotundata, rubra, marginibus 
reflexis crispis. Stamina marium in serie exteriore circa 20, in intermedia 15-18, in interiore 5-9 duplo fere 
majora, omnia in massam coalita ovarium abortiens sepius minimum circumdantem at ab hoe liberam. 
Staminum sterilium urceolus in flore foemineo acute tetragonus, ovario brevior. Stigmata inter se distincta et a 
centro distantia fere Clusia criuve. 
Plate XXVIII. fig. 1, mass of stamens, from the male flower ; fig. 2, the same, seen from above ; 
fig. 3, nectarium, or abortive staminal mass and ovary of the female flower; fig. 4, the same, seen 
from above ; fig. 5, transverse section of the ovary; all magnified. 
91. Mammea Americana, Linn.—DC. Prod. 1. p. 561.—Isle of Taboga, Bay of Panama. 
MARCGRAVIACER. 
92. Ruyscnta bicolor, sp. n., (Plate XXIX.) foliis oblongo-vel ovali-ellipticis obtusis aristula 
decidua mucronatis basi rotundato-cuneatis, bractez tripartitee cruribus oblongo-linearibus obtusis 
calcare apice discolore clavato brevioribus.—Isle of Gorgona. 
Folia 3-4-pollicaria, margine minime revoluta. Pedicelli pollicares. Bractew pedicelli et calyces kermesini. 
Calcar pollicare, apice tumidum, flavidum. Petala intus rubra, extus flavida, 
Plate XXIX. fig. 1, bractea and bud; fig. 2, flower expanded ; fig. 3, portion of the stamens 
and corolla; fig. 4, ovary; all magnified. 
93. Ruyscuta? subsessilis, sp. n., foliis subsessilibus oblongo-ellipticis obtusis margine recurvis 
basi truncato-cordatis, racemo abbreviato.—Isthmus of Darien. 
Specimen adest unicum, fructiferum. Ramulus crassus, cortice laxo leviusculo. Folia 3-4 poll. longa, 
15-18 lin. lata. Pedicelli approximati, fere 2 poll. longi, prope basin cicatrice notati bracteze delapes. 
Sepala 5, brevia, rotundata. Capsula coriacea, sublignosa, 6 lin. diametro, stigmate 6-7-lobo coronata, — 
placenta spongiosa villosa (6-loba?) repleta, obscure pluri-(6-7-?) locularis. Semina in loculis plurima, — 
oblonga, nigra. 
U 
