FLORA OF MADAGASCAR. 343 
anthii tubo cylindrico sericeo, segmentis oblongis, staminibus biseriatis, in- 
ferioribus ad tubi medium insertis, squamis faucialibus ligulatis. 
A shrub, with slender branchlets, densely clothed with whitish 
silky pubescence. Leaves alternate, nearly sessile, 2-3 in. long, 
obtuse, thinly silky beneath. Heads dense, peduncled, axillary, 
about an inch in diameter; bracts $in. long. Perianth-tube } in. 
long; segments 3 in. long. Filaments very short; upper 5 
anthers only exserted from the tube.— North-west Madagascar, 
Baron 5770! Near L. Bojerianus, DC. 
LASIOSIPHON ? RHAMNIFOLIUS, n sp. 
Fruticosa, ramulis glabris, foliis oblongis obtusis brevissime petiolatis 
glabris basi cuneatis, floribus dense capitatis, bracteis parvis oblongis, 
perianthii dense sericei tubo cylindrico segmentis lingulatis, squamis 
faucialibus minutis, antheris biseriatis filamentis elongatis, antheris minutis 
globosis. 
A shrub, with slender terete branchlets. Leaves 13 in. long, 
moderately firm in texture, green above, glaucous beneath, with 
arching raised main veins. Flowers in dense peduncled heads 
from the axils of the leaves; bracts dark brown, j in. long. 
Perianth densely white-silky, 4 in. long; segments 5, 3 as long 
as the tube, with a pair of minute scales at the base. Filaments 
l in. long, very slender, all inserted low down iu the tube. 
Fruit not seen.-- Vonizongo district, Baron 5115! Very dif- 
ferent from the other Lasiosiphons in its stamens, and may prove 
a new genus. 
VISCUM VACCINIIFOLIUM, n. sp. 
Foliosum, ramosissimum, glabrum, foliis petiolatis oblongis acutis rigide 
coriaceis triplinerviis basi cuneatis, floribus 2-4nis axillaribus sessilibus vel 
brevissime pedunculatis, bracteis ovatis, ovario tuberculato, perianthii 
segmentis lingulatis ovario 2-3plo brevioribus. 
A much-branched shrub, with slender glabrous woody branch- 
lets. Leaves in subdistant opposite pairs, under an inch long, 
thick, green, indistinetly triplinerved. Flowers in sessile or 
nearly sessile umbels in the axils of the leaves all down the stem ; 
bracts opposite, ovate, thick, grcen, spreading horizontally. 
Ovary in the flowering stage jl; in. long. Perianth greenish 
yellow.—Forests of East Imerina, Baron 5287! Another species 
allied to V. triflorum, DC. 
PEDILANTHUS PECTINATUS, ll. Sp. 
P. caulibus crassis carnosis multiangulatis, angulis aculeis deltoideis cor- 
neis pectinatis armatis, foliis magnis petiolatis oblanceolatis membranaceis 
