468 CXin. UMBELLIFEE^. 



Tlie following is tlie CandoUean division of the order : — 



Tbibe I. UiiBELLiFEE^ OethospbeMjE. — Seed flat or convex on its commissural face. 



Teibe II. Fmbbllifek^ Camptlospeem^. — Seed channelled, furrowed, or concave on its 

 commissural face, either from the incurved margins, or from the inflexion of the two ends. 



[The foUovfing conspectus of the tribes of Umbelliferoe is that elaborated for the 

 ' Genera Plantarum,' and is a sketch only ; the classification of the genera of this 

 order being a most difScult and complicated task, and there being many exceptions 

 to the characters given : — 



Series I. Hetbeosciadie^. — Umbels simple, or regularly (rarely irregularly) compound. 

 Vittffi 0. 



Tkibe I. HTDEOCOTTLEiE.^ — Fruit laterally compressed or constricted at the narrow com- 

 missure ; carpels dorsally acute or obtuse. Sydrocotyh, Tnwhymena, Xcmihosia, Azorella, &c. 



Teibe II. MuimEiB. — Fruit exceedingly narrow at the commissure, 4-angled, or of 2 discoid 

 carpels placed face to face, which are dorsally flat or concave. Bowlesia, Asteriscum, Mulinum, 

 Hernias, &o. 



Teibe III. Saniculbji. — Fruit sub-terete, commissure broad, dorsally compressed. *Enp\r- 

 giwm, Arcto})iis, *Astrantia, SanicuLa, Actmoius, &c. 



Series II. Haplozygibje. — Umbels compound. Primary ridges only of the fruit con- 

 spicuous ; vittse rarely absent in the farrows. 



Teibe IV. EcHiNOPHOBEa;. — Flowers ? solitary in the umbels, sessile ; fruit involucrate 

 by the hardened pedicels of the $ flowers. One carpel perfect, sub-terete, the other arrested, 

 slender or rudimentary. EcMnopliora, Pycnocycla. 



Teibe V. Amminb^. — Fruit laterally compressed, or constricted on both sides towards 

 the commissure, or grooved. 



Sub- tribe 1. Smi/rniece. — Fruit broadly ovate or didymous. Seed hollowed or furrowed 

 in front. Fhysospermum, Conium, TrachyJium, *Arracacha, Smyrnium, &o. 



Sub-tribe 2. Euamminece. — Seed convex or flat in front. *Bvplewruni, Lichteiisteinia, 

 Trinia, *Apium, Giauta, Ammi, Garum, *Simii, Sison, Mgopodium, *Pimpinella. 



Sab-tribe 3. Seandicinece. — Fruit ovate, oblong, or linear. Seed grooved in front. 

 Oonopodmm, *MyiThia, Oreomyrrhis, Ghmrophyllum, Scandix, *Anthrisqiis; &o. 



Tribe VI. SESELiNEa;. — Fruit sub-terete or dorsally compressed, com.missure broad ; 

 lateral ridges distinct, thickened or slender, but not dilated. 



Sub-tribe 1. EuseselineoB. — Fruit sub-terete or rarely dorsally sub-compressed ; primary 

 ridges sub-equal, not winged. Seseli, *Fainiculum. 



Sub-tribe 2. Theaooarpem. — -Fruit hard, terete, equally 5-angled or 5-winged ; carpels 

 connate ; vittEe obscure or scattered. Thecocarpiis, &c. 



Sub-tribe 3. Cachrydece. — Fruit sub-terete or dorsally compressed ; ridges obtuse, acute 

 or winged. Vittse indefinite, adhering to the seed, and separating from the corky exocarp. 

 Gachrys, Prangos, Grithirmm, &c. 



Sub-tribe 4. (Enwnthecc. — Fruit sub-terete or dorsally compressed, ridges wingless, the 



