CLASS XL ORDER I. 49 
Sapona'ria. Calyx inferior, 1-leafed, tubular, 5-toothed, without scales; petals 
5, with claws; capsule oblong, 1-celled. (soap-wort.) 
Dian"thus. Calyx inferior, cylindrical, 1-leafed, with 4 or 8 scales at the 
base; petals 5, with claws; capsule cylindrical, 1-celled, dehiscent at the top» 
(pink, sweet-william.) 
Tiarella. Calyx 5-parted, persistent; petals 5, inserted into the calyx, ungui- 
culate, entire; capsule 1-ceUed, 2-valved. 
Scleran"thus. Calyx 5-cleft, with the stamens inserted upon it; corolla 0; 
capsule 1-celled, covered with the calyx. 
ORDER HI. TRIGYNIA. 
Sile'ne. Calyx 1-leaved, tubular or conic, 5-toothed; petals 5, with claws, 
generally crowned at the orifice ; capsule 3-celled, 6-toothed, many-seeded. 
Arena'ria. Calyx inferior, spreading, 5-leaved; petals 5. entire; capsule 1- 
celled, many-seeded, (sandwort.) 
Cucu'bulus. Calyx 1-leaved, inflated; 5-toothed; petals 5, unguiculate; cap¬ 
sule 3-celled. (bladder-campion.) 
Stegla'ria. Calyx 5-sepalled; petals 5, deeply cleft; capsule 1-celled, opening 
with 6 teeth, many-seeded, (starwort.) 
Horten^sia. Calyx 5-toothed, minute; corolla 5-petalled; the flowers com¬ 
posing the cyme have a large, coloured, permanent,, petal-like 5-leaved calyx, 
and a minute, caducous, 4 or 5-petalied corolla; stamens 8, 10, or 11. (change¬ 
able hydrangea.) Ex. This plant is much altered by cultivation. 
ORDER V. PENTAGYNIA. 
Sper^gula. Calyx 5-leaved ; petals 5, undivided; capsule ovate, 5-ceiled, 5- 
valved. 
Ceras"tium. Calyx 5-leaved; petals 5, 2-cleft or emarginate; capsule 1-celled, 
dehiscent at top, 10-toothed, (mouse-ear, chick-weed.) 
Agrostem /; ma. Calyx 5-cleft, prismatic or tubular, coriaceous; petals 5, with 
claws; border obtuse, entire; capsule 1-celled, many-seeded, opening with 5 
teeth, (cockle.) 
Oxa'lis. Calyx permanent, 5-parted, or 5-leaved, inferior; petals 5, cohering 
by the claws ; capsule 5-celled, 5-cornered, dehiscent at the corners; seeds 2 or 
more in a cell, covered with an elastic aril;. stamens with 5 shorter, outer ones, 
adhering at their bases. 
Pentho'rum. Calyx 5 to 10-cleft ; petals 5 or 0; capsules 5-pointed, 5-celled; 
cells divided transversely, many-seeded. (Virginian orpine.) 
Se ; dum. Calyx inferior, 5-cleft; 5 petals; 5 nectariferous scales at the base of 
the germ; capsules 5. (live-forever, orpine stone-crop.) 
Lych"nis. Calyx 1-leaved, oblong, 5-toothed ; petals 5, with claws; the limb 
somewhat 2-cleft; capsule 1 or 5-celled, with a 5-toothed opening, (campion.) 
Ex. 
ORDER X. DECAGYNIA. 
Phytolac"ca. Calyx 0; corolla 5-petalled or 5-cleft, calyx-like, inferior; 
berry 10-celled, 10-seeded. (poke-weed.) 
CLASS XI. ICOSANDRIA. 
ORDER I. MONOGYNIA. 
Cac^tcjs. Calyx superior, many-cleft, imbricate; petals numerous, in many 
series, the inner ones larger; stigma many-cleft; berry 1-celled, many-seeded, 
umbi'licate. (prickly-pear.) 
Cuphe ; a. Calyx inflated, tubular, 6 to 12-toothed, unequal, (wax-bush.) 
Deco'don. Calyx hemispheric, campanulate, 10-toothed ; 5 teeth longer and 
spreading; petals 5, undulate; capsule covered with the calyx, 3-celled, 3- 
valved. 
Lyth"rum. Calyx cylindric, striate; 8 to 12-toothed; petals 4 to 6, equal, 
inserted on the calyx; stamens as many, or twice as many as the petals, some¬ 
times fewer ; capsule 2-celled, many-seeded, (milk-willow herb.) 
Pru'nus. Calyx inferior, 5-toothed; corolla 5-petalled; drupe ovate or oblong, 
fleshy, very smooth, covered with grayish dust; putamen compressed, acute at 
both ends, subsulcate at the margin, elsewhere smooth, (plum.) 
Ceras'us. Drupfc globose or umbilicate at base, fleshy, very smooth, destitute 
of gray powder; nucleus sub-globose, smooth, (cherry.) 
