212 MR. J. G. BAKER ON THE 
An erect branched (biennial ?) herb, with slender stems thinly 
clothed with spreading whitish bristly hairs. Leaves membranous, 
sessile, erecto-patent, acute, entire, 11-2 in. long, green and 
thinly clothed with adpressed white bristly hairs on both sides. 
Cymes dense at the top, very lax downwards; only the very 
lowest flowers bracteoled by a small leaf at the base, with 
cernuous pedicels 4-4 in. long. Flower-calyx j in. long, clothed 
with dense adpressed white bristly hairs. Corolla bright blue, 
with a limb nearly 1 in. in diam; lobes orbicular, as long as the 
tube. Immature carpels not distinctly echinate.— Central Mada- 
gascar, Baron 2033! 
CYNOGLOSSUM DISCOLOR, n. sp. 
C. caule gracili pilis adpressis tenuiter vestito, foliis membranaceis facie 
viridibus parce hispidis dorso albo-incanis acutis integris inferioribus 
oblongis superioribus lanceolatis, eymis racemiformibus deorsum laxis, 
pedicellis erecto-patentibus, calycis dense pilosi tubo brevi segmentis 
deltoideis, floribus magnitudine mediocri. 
An erect (biennial?) herb, with slender branched erect stems 
2-3 feet long, thinly clothed with adpressed whitish hairs. Leaves 
alternate, thin in texture, narrowed from the middle to both ends, 
entire, green and obscurely hispid above, matted with persistent 
white silvery tomentum beneath ; lower shortly petioled, oblong, 
3-3 in. broad, 1-13 in. long; upper smaller, lanceolate. Cymes 
with clustered upper, distant lower flowers, only the very lowest 
minutely bracteated ; lower pedicels twice as long as the flower- 
calyx. Flower-calyx j in. long, densely pilose ; segments deltoid, 
acute. Expanded limb of corolla 4 in. in diam. ; lobes orbicular, 
equalling the tube. Fruit not seen.—Central Madagascar, Baron 
1828! 
CoNvYOLYULUS OLIGODONTUS, N. Sp. 
Annuus, ramosissimus, ramulis obscure pilosis, foliis breviter petiolatis 
lanceolato-hastatis integris vel deorsum parce dentatis utrinque viridibus 
glabris, floribus l-2nis axillaribus, bracteolis oblongis adpressis, sepalis 
oblongis cuspidatis, corolla alba quam calyx triplo longiore, staminibus 
inelusis antheris minutis, fructu globoso. 
A much-branched annual, with long spreading slender obscurely 
pilose stems. Leaves alternate, shortly petioled, the upper about 
jin. long, mucronate, with deltoid basal lobes, moderately firm 
in texture, green and glabrous on both sides, the lower broader 
and shorter, the very lowest suborbicular. Flowers 1-2 on 
