PL ex. cal. 49. PARONYCHIDEiE. 323. Scleran. 545 
A. ScLERANTHiDEiE. Flowers naked ; calyx-lobes simple ; 
leaves sessile, linear, connate at the bottom ; stipules 0. 
I. 323. SCLERANTHUS. Linnseus. Knawel. 
Calyx tubular, constricted' in the neck, limb 5-cut; pe- 
tals 0; stamens 10, very small; anthers roundish; styles 
and stigmata 2 ; capsule very thin, 1-seeded, valveless, sunk 
in the contracted calyx. — Stem herbaceous, small; flowers 
axillary and rather corymbose, terminal. 
1. Scleranthus perennis. Perennial knavael. 
Stem procumbent ; calyx-teeth when in fruit incurved, 
blunt. 
Knawel ineanum, flore majore perenne, Rail Syn. 160,2. 
Saxifraga Anglicana alsinefolia, Ger. era. 567,5. 
Chalky fields ; perennial ; October and November. 
Herb glaucous, rather shining, afterwards reddish; leaves 
often downy. — The Polish cochineal insect is found in 
summer on its roots. 
2. Scleranthus annum « Annual knawel. 
Stem spreading; calyx-teeth when in fruit spreading, 
pointed. 
Knawel, Raii Syn . 159,1. 
Polygonum selinoides sive Knawel, Ger. em. 566,4. 
Polygonum Gennanicum vel Knawel Germanorum, Park. 747. 
Scleranthus annuus, Lin. S. P. 580. 
Parsley piert. German Knotgrass. 
Sandy corn-fields ; annual; July. 
Root fibrous; stems branchy above; calyx 10-ribbed; 
lobes acute, very spreading.— Steam of the decoction used 
to cure the toothach. 
II. 324. ADENARIUM. Rafinesque. Sandwort . 
Calyx 5 -cut, pitchershape at bottom ; petals 5, reverse 
ovate, not divided; stamens 10; filaments with an ovate 
gland on each side at the base; ovary 1 -celled; ovules many; 
placentarium central, threadlike ; stigmata 3 ; capsule three- 
valved, many-seeded. — Herb fleshy, bald; leaves opposite, 
sessile ; flowers from the forks of the stem, sessile, solitary. 
Adenaria marina. Sea sandwort. 
Leaves ovate, pointed, fleshy, 4-rowed ; calyx-lobes blunt, 
ribless. 
VOL. II. 2 N 
