182 UMBELLIFER^. [SELINUM. 



Moist copses, &c., N. Lincoln and Cambridge, very rare; fl. July- Aug. 

 Rootstock short. Stem 2-4 ft., ridges almost winged. Leaves 6-12 in., 

 leaflets -f in., with thickened margins ; petiole long, very slender. Umbels 

 puberulous, flat-topped ; rays 10-20 ; bracts 0, or very few subulate ; 

 bracteoles subulate. Petals white. Styles slender, recurved. Fruit % in. 

 long, lateral winged ridges spreading. DISTRIB. From Norway southd., 

 and eastd. to Kussia. 



30. ANGELICA, L. ANGELICA. 



Tall perennial herbs. Leaves ternately 2-pinnate, segments large. 

 Umbels compound, many-rayed ; bracts few or ; bracteoles usually many, 

 small ; flowers white or purplish. Calyx-teeth small or 0. Petals with a 

 short inflexed point. Disk-lobes depressed. Fruit ovoid, dorsally compressed, 

 commissure broad, carpophore 2-partite ; carpels broad, flat, lateral primary 

 ridges with broad membranous wings, dorsal and intermediate elevated ; 

 vittffi 1-2 in the furrows. Seed dorsally compressed, flat or subconcave 

 ventrally. DISTRIB. N. temp, and sub-Arctic regions ; species 18. 

 ETYM. Angelicas, from its properties. 



A. sylves'tris, L. ; leaflets petioled obliquely oblong- ovate serrate. 



Damp copses and banks of streams, N. to Shetland ; ascends to 2,700 ft. in the 

 Highlands ; Ireland ; Channel Islands ; fl. July-Aug. Glabrous, except 

 the pubescent umbels. Stem 1-5 ft., stout, fistular, striate, green or purple. 

 Leaves 1-2 ft., deltoid ; leaflets 1-2 in. ; sheaths large. Umbels large ; rays 

 very many, 1-3 in.; bracts 0, or 1-2, deciduous; bracteoles few, subulate, 

 persistent; flowers white or purple, nearly regular. Fruit ^-^ in. ; stales 

 slender, reflexed. DISTBIB. Europe (Arctic), N. and W. Asia, Aromatic 

 and bitter. 



31. PEUCED'ANUM, L. HOG'S-FENNEL. 



Perennial, rarely annual. Leaves pinnately or 3-nately compound. 

 Umbels compound, many-rayed ; bracts many, few, or ; bracteoles many 

 or ; flowers white, yellow, or pink, often polygamous. Calyx-teeth 

 or small. Petals with an inflexed, often 2- fid point. Disk-lobes small ; 

 often expanded, undulate. Fruit ovoid, oblong or suborbicular, much 

 dorsally compressed, commissure very broad ; carpels flattish, lateral 

 primary ridges of each forming flat contiguous wings, dorsal and inter- 

 mediate filiform ; vittse 1-3 in each furrow. Seed nearly flat. DISTHIB. 

 Trop. and temp, regions ; species 100. ETYM. obscure. 



SECTION 1. Peuced'airam proper. Perennial. Bracts few or many, 

 bracteoles many. Calyx 5-toothed. Fruit with narrow wings. 



1. P. ofiScina'le, L. ; leaves 3-ternately pinnate, segments long and 



narrow, bracts few deciduous; flowers yellow. Sulphur-wort. 



Salt marshes, very rare. Kent, Essex ; Channel Islands ; fl. July-Sept. 



Glabrous. Stem 2-3 ft., terete, solid, furrowed. Leaves oblong ; segments 



1-4 in., flaccid. Umbels on spreading subopposite branches ; rays many, 



2-4 in., spreading; bracteoles short, filiform. Flowers minute, central 



