XYI 
pis with whorled Is pectinately divided. Allied families are 
the apetalous Hippurideee, Callitrickinece and Ceratophyllacice. 
50. Umbelliferae. Pets 5. Stas 5 Styles 2. Fr. a schizo- 
carp, composed of 2 1-seeded carps suspended from a filiform, 
gen. bifid carpophore. FIs in compound (rarely simple or in 
form of capitula) umbels. Cl. 5. 
□ Fr. succulent. Gen. ligneous pis. 
• Stas 4—5. 
51. Araliaceae. Pets 5. Stas 5. Style 1. Berry.—Ls altern. 
FIs in umbels. 
52. Cornaceae. Pets4. Stas4. Style 1. D rupe. — Lsgen.opp. 
48. Grossulariaceae. Pets 5, small. Stas 5. Style 2—4-fid. 
Berry.—Ls altern., palmati-lobed. 
53. Loranthaceae. FIs dioecious. Pets 4. Stas 4, opp. to 
and united with the pets. Stig. sessile. Berry.—Parasites with 
opp. ls. 
♦ Stas numerous. 
32. Pomaceae. Styles 2—5, rarely 1. Ovaries 1—5, united 
with the cal.-tube which receives a fleshy development in the 
form of a false berry- or drupe-like fruit crowned by the 
cal.-limb. 
33. Granateae. Style 1. Ovary several-celled. Fr. fleshy- 
coriaceous, many-celled, the cells arranged in 2 rows one above 
the other. 
47. Cactaceae. Style 1. Ovary 1-celled. Fr. berry-like.— 
Peculiarly formed pis. Stem much jointed. Ls gen. suppressed 
to thorns. 
Perigynous monopetalee. *) 
Insertion of cor. perigynous or epigynous. Stas gen. inserted on the corolla. 
Ovary inferior. 
f FIs in a head surrounded by a common many- 
leafed involucre. Fr. dry, 1-seeded, indehisc. 
Stas 5. Style 2-fid. 
58. Compositae (Synantherae). Anthers united in a tube 
surrounding the style. Cal.-limb consisting of scales, chaff, a pencil 
of hairs, or 0. Cor. tubular, reg., terminated by 5 teeth ; or 
tongue-shaped on one side; rarely bi-labiate. FIs hermaphro¬ 
dite or partly l-sexual, rarely neuter.—Ls gen. altern. Cl. 19. 
59. Ambrosiaceae. Anthers free. FIs monoecious, the males 
in separate capitula, the females enclosed, in pairs, in a hard¬ 
ened gen. prickly envelope. 
*) Among perigynous polypetalae Trifolium, Portulaca and Montia 
have pets more or less united. 
