UMBELLIFEBM, 235 



raised or scarcely conspicuous ; lateral at commissure more or less 

 interior or exterior. Secondary ridges sometimes subequal to primary, 

 rarely reticulate ; intrajugal vittse thin or 0. Seed laterally much 

 compressed. — Annual or perennial herbs, erect or with a rhizome 

 radial at the nodes, sometimes low sub shrubby ; leaves alternate 

 entire, dentate or crenate, palminerved or palmately dissected, occa- 

 sionally reniform or 3-angular, sometimes peltate or cordate; sti- 

 pules (?) scarious, entire, lacerate or 0; flowers in simple or compound 

 umbels, sometimes in few-flowered cymes ; common peduncle some- 

 times bearing 2-pluriverticillate flowers, or (Micropleura) terminated 

 by a fertile flower ; the 2 or few others peripheric pedicellate sterile 

 inserted under germen; bracts of involucres few or 0. {All tvarm 

 and temp, regions, often aquatic.) — See p. 139. 



74. Trachymene Rudge.^ — Flowers ^ polygamous ; sepals 3-5, 

 unequal or 0, Petals 5, unequal, entire, concave, highly imbricate. 

 Styles slender, sometimes capitellate at apex ; stylopods discoid, flat 

 or cupuliform, sometimes scarcely conspicuous. Fruit much com- 

 pressed contrary to septum ; carpels 2, equal ; one sometimes smaller 

 aborted or naked ; ^ carpophore simple. Primary ridges equal filiform, 

 or unequal ; the dorsal bordering the mericarps wider or subalate ; 

 the lateral concealed in commissure; the intermediate rather prominent 

 curved or branched ; intrajugal vittae thin or 0. Seed laterally com- 

 pressed. — Glabrous, or pilose* or hirsute herbs; leaves dentate or 

 3-nato-dissected ; receptacle of simple umbels concave capituliform ; 

 bracts of involucre linear.^ (Australia, N, Caledonia.^) 



75. Xanthosia Rudge.^ — Flowers polygamous; sepals evolute, 

 ovate, lanceolate, at base cordate or peltate, sometimes decurrent- 



^ Trans, Linn. SiC. x. (1811) 300, t. 21 (not ^ Free; the cavity of the receptacle having 



DC). — Spreng. Umb. 8. — Koch, Umb. 143. — been taken for the adnate base of the bracts. 



DC. Mem. 28 ; Prodr. iv. 72. — Enpl. Gen. n. Receptacle at earlier age quite as in the Com- 



4362. — B. H. Gen. 873, n. 3. — H. Bn. Adansonia, podtes. 



xii. 178.— Ifueffelia Eeichb. Consp. 144 (1828) ; « Spec, about 13. Hook. Icon. t. 304, 307 (Di- 



Ic. Exot. t. 201.— Didiscus DC. Bot.Mag. t. 2875 <fwcM*).— Benth. FL Austral, iii. 347.— Br. et 



(1828) ; Frodr. iv. 72.— Endl. Gen. n. 4361.— Gr. Ann. So. Nat. ser. 5, iii. 235 (Fidiscus).— 



Lampra Lindl. (ex DC). — Fimetopia DC. Prodr. Lindl. Fot. Beg. t. 1225. — F. Muell. Fragm. ix. 



iv. 1\.—Cesatia Endl. Ann. Wien. Mus. ii. 200. 46 (Fidiscus). — Walp. Ann. v. 59 {Fidiscus). 

 —Pritzelia. Walp. Fep. i. i28. —Hemicarpus F. 7 Trans. Finn. Soc. x. 301, t. 22. — DC. Mem. 



Muell. EooJc. Kew Journ. ix. 18. 31 ; Prodr. iv. 74.— B. H. Gen. 874, n. 5. — 



2 White or azure. Leucolcena R.Br. Flind. Voy. App. ii. 557. — 



^ The posterior ; whilst the fertile anterior is Endl, Gen. n. 4364. — Cruciella Lesch. (ex DC), 



oftener covered with hairs or prickles. — 8ch<znofmna Bge. Fl. Freiss. i. 289. — Fenta- 



* Hair white simple. peltis Bge loc. cit. 292. 



