UMBELLIFERjE 115 



unequal. Partial umbels, few-flowered, some sessile, others on pedicels of various 

 lengths. Flowers very small, white. 



Borders of fields on clayey soil, rare. July, August. Hyeres, Cap Brun, etc. 



BUNIUM Schur. 



B. Bulbocastanum L. = Carum Bulbocastanum K. Root-stock of 

 globular tubers, known as pig-nuts. Root-leaves 2-3-ternate, segments stalked 

 and pinnately divided into a few linear lobes. Involucres of a few very fine 

 bracts. Carpels more slender than those of the Caraway with less prominent ribs. 



Fields, hill-sides, and pastures, and in crops in the montane region. May-July. 



B. incrassatum Lange. Root at first globular, then irregular. Stem 

 erect, stiff, angular and striate at the top. Leaves 2-3-pinnatisect, with linear 

 segments. Umbels of 7-14 irregular divaricate rays, stiff and thick when fruit- 

 ing. Involucre of 6-8 linear-lanceolate bracts. Fruit linear cylindric with sharply 

 keeled sides. 



In fields in the Var occasionally, but never certain to reappear. March-May. 



Sison Amomum L. (Hedge Sison) occurs here and there by hedges and 

 ditches, June-September ; Ammi mnjus L. in fields in the south of the Var, 

 June-August, and A. Visnaga Lam. in damp sandy places, June-September. 



SIUM L. 



S. angustifolium L. Stem 1-3 ft. leafy. Leaves large, pinnate, leaflets 

 of root-leaves, sessile, ovate-oblong, serrate, of stem-leaves very irregularly 

 serrate, fewer and smaller. Umbels with few and unequal rays ; bracts irregu- 

 larly cut. Root-stock creeping, stoloniferous, leafing at nodes. 



Wet places, ditches, and streams. June-August. 



PIMPINELLA L. 



P. magna L. Greater Burnet-Saxifrage. Stem angular, 3-4 ft. high. 

 Leaves all pinnate ; leaflets of radical leaves ovate subcordate, of cauline leaves 

 narrower. Larger than P. Saxif raga, leaflets broad and membranous and styles 

 longer and more slender. Inner flowers male. 



Woods, bushy places, etc. May-July. 



P. Sax if rag a L. Burnet-Saxifrage. Stem terete, 1-3 ft. slender, furrowed. 

 Root-leaves pinnate, leaflets suborbicular, stem-leaves 2-pinnate. Umbels flat- 

 topped. Fruit glabrous, broadly ovoid. 



Rocky places and dry hill-sides. June-August. 



P. peregrina L. Biennial, 2-3 ft. high. Stem solid, furrowed, leafy, 

 branched. Lower leaves pinnatisect, with 5-9 orbicular cordate segments. Um- 

 bels 10-30 rayed. Fruit small, hispid with spreading hairs. Flowers white. 



Grassy places and shady hills. May-July. 



P. Tragium Vill. differs from the last by its oval leaf segments, its umbels 

 6-10 rayed, fruits white tomentose, and shorter, shrubby stems. 



Rocky slopes in the lower mountains, rare. June-July. Near Montrieux (Var) 

 and between Levens and la Tour. 



CONOPODIUM DC. 



C. denudatum Koch. Plant glabrous,'i-2 ft. high, springing from a rounded 

 "bulb". Stem slender, naked and sinuous below, simple or slightly branched 

 at top. Leaves 2-3 pinnatisect with very narrow linear segments, the lower ones 

 being linear-lanceolate. Umbels 8-12 rayed. Involucre o or of 1-2 bracts. 

 Partial involucre of 2-5 linear bracteoles. Flowers white. Fruit ovoid-oblong, 

 attenuated above, compressed, without beak, glabrous, black when ripe. 



Woods and borders of fields, especially in the hilly district of the Var. Rare 

 in Alpes-Marit. May-July. 



CRITHMUM L. 



C. rnaritimum L. Sea Samphire. Plant fleshy, glabrous, much branched, 

 woody at base. Leaves 3-nately compound, segments entire, few, terete, 



