and some other Genera of Malayan Plants. 127 



HELOSPORA. 



Tetrandria Monoscvnia. Linn. RubiacecB. Juss. 



•yn 



Calyx 4-dentatus. Corolla tubulosa, limbo 4-partito. Stamina 

 inclusa. Stylus 4-sulcus, apice 4-fidus. Stigmaia quatuor. 

 Bacca calyce coronata, polysperma, seminibus duplici serie 

 cruciatim dispositis, nidulantibus, linearibus, parum curvis. 



Arborescens, glabra, pedunculis axillaribus unijloris, cEstivatione 



valvata. 



Helospora flavescens. 

 Native of Sumatra. 



A small tree. Leaves opposite, short-petioled, ovate-lanceolate, 

 acuminate, very smooth, entire : from three to five inches 

 long. Stipules interpetiolar, deciduous, acute; a line of 

 ciliary hairs within them. Pe(/M/jc/es axillary, solitary, one- 

 -- flowered, shorter than the leaves. Bracts two, small, at the 

 base of the ovary. Calyx superior, erect, four-toothed, 

 persistent. Corolla yellow, tube much longer than the ca- 

 lyx ; mouth naked ; limb four-parted, spreading ; segments 

 oblong. jJ^^stivation valvate. /S^amews four, within the tube ; 

 Jilaments scarce any ; anthers linear, obtuse, flattened, two- 

 celled. Ovary subglobose, four-lobed, crowned by a necta- 

 rial ring or disk, polysporous, not divided into cells, but 

 having the ovula implanted in its substance and arranged 

 in double lines in the form of a cross. Style composed of 

 four connate threads, which diverge at top, somewhat longer 

 than the tube. Stigmas four. Berry globose, with four 

 rounded angles and furrowed between, crowned with the 

 ''■■ ■ calyx, many-seeded. Seeds long, linear, inserted perpen- 

 - dicularly, and cruciately arranged in four double lines cor- 

 responding to the angles or lobes of the fruit. 



Obs. 



