CLASS XI. ORDER I. 
327 
Order 5. Penlagynia. 
Sper'gula. Calyx 5-leaved; petals 5, undivided; capsule ovate, 5- 
celled, 5-valved. 22. 82. S, 
Ceras tidm. Calyx 5-leaved ; petals 5, 2-cleft, or emarginate ; cap- 
sule 1-celled, dehiscent at top, 10-toothed. 22. 82 — (mouse-ear, chick- 
weed.) S. 
Agrostem' ma. Calyx 5-cleft, prismatic or tubular; coriaceous; pet- 
als 5, with claws; border obtuse, entire; capsule 1-celled, many-seeded, 
opening with 5 teeth. 22. 82 — (cockle.) S. 
Oxa'lis. Calyx permanent, 5-parted or 5-leaved, inferior; petals 5, 
cohering by the claws ; capsule 5 -celled, 5-cornered, dehiscent at the cor- 
ners ; seeds 2 or more in a cell, covered with an elastic aril ; stamens with 
5 shorter, outer ones adhering at their bases. This genus and the Linum 
might be removed to the class Monadelphia. 14. 73 — (wood sorrel.) S. 
Pentho'rum. Calyx 5 to 10-cleft ; petals 5 or 0 ; capsule 5-cuspidate, 
5-celled ; cells divided transversely, many-seeded. 13. 83 — (virginian 
orpine.) S. 
Sedum. Calyx inferior, 5-cleft; 5 petals; 5 nectariferous scales at 
the base of the germ ; capsule 5. 13. 83 — (live-forever, or orpine, stone- 
crop.) ’ 
Exotic. 
Lychnis. Calyx 1-leaved, oblong, 5-toothed; petals 5, with claws; 
the limb somewhat 2-cleft ; capsule 1 or 5-celled, with a 5-toothed open- 
ing. 22. 82 — (campion.) 
Order 10. Decagynia. 
Phytolac "cA. Calyx 0; corolla 5-petalled or 5-dleft, calyx-like, infe- 
rior; berry 10-cell, 10-seeded. By some authors the calyx is called a 
corolla. 54. 29 — (poke-weed.) S. 
CLASS XL ICOSAXDRIA.* 
Order 1. Monogynia. 
Cactus. Calyx superior, many cleft, imbricate ; petals numerous, in 
many series, the inner ones larger; stigma many-cleft; berry 1-celled, 
many-seeded, umbilicate. 13. 85 — (prickly-pear.) S. 
Prunes. Calyx -cleft, inferior, bell-form ; corolla 5-petalled : nut of 
the drupe smooth with prominent seams at the sutures. 36. 92 — (cherry, 
plum.) S. 
Cu phea. Calyx tubular-ventricose, 6 to 12-toothed, unequal : petals 
6, mostly unequal, inserted on the calyx ; capsule 1-celled, dehiscent, 
longitudinally with the calyx, follicle-like, 3-sided; seeds lenticular. 54. 
91 — (wax-bush.) S. 
Exotic. 
Myrtus. Calyx superior, 5-cleft ; petals 5 ; berry 2 or 3 celled, many- 
seeded. 19. 89 — (myrtle.) 
Asivc. nAi.us. Calyx 5-cleft inferior ; petals 5; drupe with a nut, per- 
forated with pores; flowers sessile. 36. 92 — (peach.) 
Armeni aca. Flowers sessile ; calyx 5-cleft, inferior ; petals 5 ; drupe 
fleshy, pubescent ; nut with one margin acute and the other obtuse, fur- 
rowed both sides. 36. 92 — (apricot.) 
a Darlington proposes Calycandria (calyx stamens) as a substitute; 
and to extend the class to all stamen bearing calyxes. 
