[TROPiEOLACE^ are closely allied, but have zygo- 
morphic flow., 8 sta., 3 separating carp., each with 
I exendospermous seed. TropCBolum.'j 
Family 47. LINAGE^. Herbs (in Brit. sp.). 
Lea. spiral, simple, entire, sometimes stipulate. 
Inflor. a mono- or di-chasial cyme. Flow, actino- 
morphic. Sep. 4 — 5. Pet. 4 — 5. Sta. 4 — 5, or 
more, united at base, some generally converted 
into staminodes. Carp. (2 — 5), with usually 2 
ovules in each ; ovary divided by false partitions. 
Fr. a septicidal capsule. Seeds with scanty endo- 
sperm. Linum, Radiola. 
Family 48. POLYGALACB^. Herbs (in Brit, 
sp.). Lea. spiral, simple, entire, exstipulate. Inflor. 
racemose; pedicels with bract and bracteoles. Flow, 
medianly zygomorphic. Sep. 5 (2 inner petaloid). 
Pet. 3 ( + 2 others aborted) . Sta. 4 + 4, united below 
into a tube adnate to the pet. Carp. (2), with i 
style ; ovary 2-celled, with i ovule in each cell. Fr. 
a capsule. Seeds endospermous. Poly gala. 
Reduced forms (TRICOCC>E)> but still showing 
the same character in the ovules. 
Family 49. EUPHORBIACE^. Herbs, shrubs 
or trees, often with white latex. Lea. usually spiral, 
often stipulate (frequently dropping ofi early in 
foreign xeroph3d:ic sp. with assimilating stems). 
Inflor. a compound spike or a cyathium (cymose). 
Flow, actinomorphic, i-sexual, often much reduced. 
(Per. 3 or o and sta. i or 9 — 12, in Brit, sp.) Carp. 
(3) or (2). Fr. splitting into 3 or 2 mericarps. Seeds 
endospermous, often with a caruncle over the 
micropyle. 
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