104 LEQUMINOS&. [LATHYIIVS. 



Hedges, copses, and meadows ; ascending to near 1,600 ft. in the Highlands ; 

 fl. June-Sept. Glabrous or slightly hairy. Rootstock creeping. Stem* 1-2 ft., 

 trailing or climbing. Leaflets -1 in., nerves indistinct ; stipules with spread- 

 ing subulate auricles, petioles ^ j| in. ; tendrils short. Peduncles longer 

 than the leaves ; pedicels as long as the calyx-tube, hairy ; bracts setaceous. 

 F/oirfrs ^ in., racemose, bright yellow. Pods 1-1 in., sessile, linear, 

 acuminate, many-seeded. DISTRIB. Europe (Arctic), Siberia, W. Asia to 

 the Himalaya ; introd. in N. America. 



L. TUBERO'SUS, L. ; stem angled, leaflets obovate, stipules large ^-sagit- 

 tate, peduncles 2-5 -flowered, calyx-teeth triangular as long as the tube, 

 pod glabrous. 



Cornfields, Chipping Ongar ; a denizen, Watson ; fl. June- Aug. Glabrous. 

 Jioof stock creeping, rootlets with small tubers. Stem 2-4 ft., climbing and 

 trailing. Leaflets 1-1 in., nerves diverging ; petioles and tendrils stout. 

 I'nl uncles very long; pedicels longer than the calyx; bracts subulate. 

 Floors f in., racemose, crimson. Calyx-tube broad. DISTRIB. Europe, N. 

 Africa. Root tubers edible. 



5. Ii. sylves'tris, L. ; stem winged, leaflets large ensiform, stipules 

 falcate ^-sagittate, peduncles 3-10-flowered, calyx-teeth triangular, upper 

 shorter than the tube, pod glabrous, seeds faintly remotely tubercled. 

 Rocky thickets and hedges, local, often an escape, from Mull and Forfar 



southwards ; absent from Ireland ; fl. June- Aug. -Glaucous, glabrous. Root- 

 stock creeping. Stem 3-6 ft., wings herbaceous. Leaflets 4-6 in., in. 

 broad ; nerves parallel ; stipules large, falcate, with long lanceolate auricles ; 

 petioles winged or not ; tendrils slender, branched. Peduncles 4-6 in., 

 pedicels longer than the calyx ; bracts filiform. Floirers f-^ in., racemed; 

 standard rosy ; wings purplish. Calyx-tube broad, short. Pod 2-3 in., 

 sessile, narrowly winged above, 10-14 seeded. DISTRIB. Europe (Arctic), 

 N. Africa. Very near the garden Everlasting Pea, which occurs here and 

 there as an escape. 



** Leaflets 2 or more pairs. Flowering peduncles longer or shorter than the lear-es. 



6. Xi. paius tris, L. ; stem winged, leaflets 2-3 pair sword-shaped, stipules 

 lanceolate ^-sagittate, peduncles usually longer than the leaves 2-6-flo\vered, 

 pod compressed glabrous. 



Boggy meadows and copses, from York and Carnarvon to Somerset and 

 Suffolk, local ; N. and Mid. Ireland, very rare ; fl. June- Aug. Glaucous, 

 glabrous. Rootxtock creeping. Stems 2-4 ft., climbing or trailing, wings 

 herbaceous. Leaflets 2-3 pair, 2-3 in., nerves parallel ; tendril rather short, 

 branched ; stipules jj in. Peduncles 1-4 in. ; pedicels shorter than the calyx- 

 tube ; bracts minute. Flowers Jj-j{ in., pale blue-purple. Calyjc-tulie short. 

 Pod 1^-2 in., stipitate, reticulate, 6-8-seeded. Seeds smooth. DISTIUH. 

 Europe (Arctic), N. Asia, E. and W. N. America. 



7. Ii. marit'imus, Bigelow ; stem angled, leaflets 3-5 pair oblong, 

 stipules ovate ^-hastate, peduncles usually shorter than the leaves 5-10- 

 flowered, pod turgid glabrous. Pisum maritimum, L. 



Pebbly beaches, very rare and local ; Orkney, Shetland, Lincoln, Suffolk, 

 Kent, Sussex, and Dorset ; Kerry only in Ireland ; fl. June-Aug. Glaucous, 

 glabrous, nootttoet long, stout, black. Stems 1-3 ft., creeping at the base, 

 prostrate. Leaflets 1-2 in., alternate or subopposite, nerved, upper gradually 



