136 MANN, 



2. SIDA Linn. [Ilima.] 



Calyx without bracelets, 5-lobed. Stamineal column divided at 

 the top into several filaments. Carpels 5 or more, in a ring round the 

 axis, 1-ovulate, indehiscent or opening when ripe in 2 short valves at 

 the top. Style with as many branches as carpels ; stigmas terminal. 

 Seeds pendulous. Herbs or shrubs, more or less tomentose or softly 

 hairy, rarely glabrous. Flowers usually yellow, on 1-flowered pedi- 

 cels, - or single or clustered in the axils of the leaves, or in terminal 

 racemes. 



A large genus, widely dispersed over the warmer regions of the globe. 

 Leaves green, slightly pubescent and scurfy with stellate hairs. Car- 

 pels bearing pubescent awns of about their own length, . 1. S. Meyeniana. 

 Leaves more or less canescent or softly tomentose. Carpels either 



blunt or with short awns. 

 Leaves ronnd or ovate, and with the branches softly tomentose. 



Carpels mostly blunt, 2. S.fallax. 



Leaves round or ovate, whitish underneath. Carpels with short 



awns, 3. S. Sertum. 



Leaves oblong or lanceolate, whitish underneath. Carpels with 



slender glabrous awns, 4. S. rhombifolia. 



1. S. MEYEXIANA Walp. (Enum. No. 53.) A slender, loosely branched 

 shrub, 2 -3 high, nearly glabrous, the younger branches, petioles, 

 and leaves scurfy with a stellate pubescence. Stipules setaceous, mi- 

 nutely hairy. Leaves membranaceous, green, ovate, oblong-ovate or 

 rotund-ovate, acute or rarely obtuse, rounded or slightly subcordate 

 at the base, sharply serrate, '-2' long. Peduncles axillary, usually 

 solitary, often shorter than the leaves, slender. Calyx glabrous, the 

 lobes triangular-ovate, sharply acuminate, about half the length of the 

 oblique and yellow petals, 3" or more long. Carpels 5-9, nearly gla- 

 brous, 2-beaked; the beaks subulate-awned, pubescent, as long as the 

 cell or longer. 



Eidges above Honolulu, Oahu. 



2. S. FALLAX Walp. (Enum. No. 51.) A low branching under- 

 shrub, sometimes erect, at others, decumbent and spreading, 2 - 3 

 high or long. Branches, with petioles and leaves, tomentose with a 

 fine and close velvety pubescence. Leaves ovate, roundish-ovate, or 

 oblong-ovate, rounded and usually cordate at base, very obtuse and 

 round at the apex, or acute or acuminate, closely crenate-toothed with 

 obtuse teeth, i' - 2' long, on petioles a third or half the length of the 

 blade, strongly pinnate-veined. Stipules setaceous. Peduncles axil- 

 lary, solitary or two or three from the same axil, filiform, equalling, or 

 the upper exceeding, the leaves in length, articulated just below the 

 flower. Calyx tomentose, the lobes ovate-triangular, acute or acumi- 

 nate, or sometimes obtuse. Petals yellow, ' long, a third longer than 



