155 
from Eastern Asia. 
longa; corolla anguste ventricoso-tubulosa, limbo obliquo lobis brevibus 
rotundatis ; stamina 4, inclusa, antheris per paria cohaerentibus. 
Capsula ovoidea, calyce inclusa, in valvas 4 placenticide dehiscens ; 
semina minuta linearia vel cylindrica, breviter funiculata, in utroque 
termino cristata. 
Formosa'. Ape’s Hill, Takow, on the sides of cliffs in dry, shaded 
situations (Hb. A. Henry, 1052). 
There is now no doubt that this plant belongs to the genus Reh- 
mannia ; and there is also little doubt that this genus would be better 
placed in the Cyrtandreae. 
Mesona procumbens, Hemsl. (Plate VII.) 
Herba procumbens, radicans, caulibus elongatis 2-3-pedalibus 
graciliusculis pilis paucis longis debilibus instructis vel demum 
glabrescentibus. Folia distincte petiolata, tenuia, fere membranacea, 
ovata vel ovato-lanceolata, cum petiolo gracili 1-2 poll, longa, acuta, 
basi rotundata vel subcuneata, grossiuscule calloso-serrata, praecipue 
subtus pilis paucis tenuissimis conspersa, venis primariis lateralibus 
utrinque saepius 6 ; petiolus 3-6 lineas longus. Verticillastri dense 
racemosi, racemis densis terminalibus vel axillaribus cum pedunculo 
2-3-pollicaribus, pedicellis brevissimis ; bracteae rotundatae, ciliatae, 
subito caudato-acuminatae, cauda demum sub laminam arete recurva. 
Flores minuti, cum staminibus exsertis circiter 2 lineas longi, setulosi ; 
calyx fructifer auctus, circiter ijlin. longus, scariosus, longi tudinaliter 
io-costatus et insigniter transverse multicostatus, irregulariter bilabiatus, 
demum clausus, tubo leviter inflato, labio antico oblongo integro apice 
rotundato, labio postico inaequaliter tridentato dentibus omnibus 
acutis; corolla alte bilabiata, hians, tubo brevissimo, labio antico 
concavo cymbiformi extus parce villoso, labio postico lato breviter 
tridentato, dente intermedio obscure emarginato ; stamina longe 
exserta, declinata, filamentis staminum duorum posticorum basi 
appendiculatis, appendiculis oblongis hirsutis. Nuculae anguste 
ellipsoideae, glabrae. 
Formosa'. South Cape: collected by Schmiiser (Hb. Henry, 1317). 
This is a very distinct species, and markedly so in its much 
elongated procumbent stems. It seems evident that Wallich’s genus 
Geniosporum must be reduced to Mesona ; the only difference given 
being the presence or absence of appendages at the base of the 
posterior filaments ; but these are often very minute and easily 
