C. NYCTAGINER. 977: 
e 
A clustered or umbellate, the pine in many genera not Australian 
forming an involucre round th ti large and coloured, but 
e ral and in the Australian Pam the bracts all very small and- 
ecid 
e. er - pam ch the genera are all American. and exclusively so with the 
exception of the found in Australia, which are both ^X 7 widely dispersed over 
the tropical and cisci regions of both the New and th World. 
Herbs with small flowers. Uppet penton of the pin kde 
tamens 1 to 4. Embryo folded . 1. BOERHAAVIA. 
8, shrubs, or woo ody cli tate ers. Limb of the pe erianth persistent 
on the E it. ionge rm 6 to 8. Embryo wai a ipid 
convolut 2. Prsonta. 
1. BOERHAAVIA, Linn. 
Flowers hermaphrodite. Upper portion of the perianth campanulate 
or funnel-shaped, truncate an PA or very shortly 5-lobed, falling 
off after flowering, hoe the lower portion persistent and enclosing 
[CE clos i 
S-tibbed base of the perianth. Embryo pau folded at the base 
"n usually perennial. Leaves o Vi pain .—Flowers 
zu in little clusters or umbels on simple or branche 
m Bracts and bracteoles very small. OE) 
genus is "n d over the tropical sed, mbrpis regions of the "T ioa 
du World. The batealind specie dm cies iatic, one a common iade x : 
id Asia, we ole Php confin - - Asi - both, however, require further compa 
rison with so e of the American se 
Leaves or 
8 long, ign with a narrow 
the pe ian: or ovate to narrow- rad late. Deciduous poron E B. diffusa. 
— - Ledye perianth nulate, ote: exceeding 1 line th vert 
| E ovate o lanceolate. Deciduous portion of the perian . 2. B. repanda. 
ee liffusa, Chois. in DC. Prod. xiii. ii. 452. A perennial 
| = " ing sometimes to 
| ite ee, diffuse or asce mg stems extendin zd and foliage 
ils, the floral nto minute bra - Flowers v very 
. "hill, pale pink, Hol ones iae AE pedicels cin lengthened 
