80 Botany. 



341. 0. spinosa, L. (under ARVENSIS, L. B.), 6 9, P. Barren 

 places ; not so common as 340. Under cultivation this sp. 

 quickly ceases to form spines, a remarkable adaptation 

 to environment (Henslow). 



a. No recent records for the district, except Cliffe, H. 



343. TRIGONELLA ornithopodioides, DC. (PURPURASCENS, Lam.), 



6 7, A. Dry sandy places ; local, 

 a. No recent reliable records. 



(98) MEDIC AGO, L. Honey fls., opening explosively. 



344. M. sativa, L. (LUCERNE), 6 7, P. Alien, grown for fodder ; 



a frequent escape from cultivation. 



1. Sheep pastures, Kingsdown and Ash. L.C.C. 



346. M. falcata, L. 6 7, P. A rare straggler. 



1. Casual at Plumstead Common. Dod. 



347. M. lupulina, L. (BLACK MEDIC), 58, A. or B. (P. in the 



Alps). Another fodder pi. ; found wild in waste places ; 

 very common. 



348. M. denticulata, Willd. 5 8, A. Sandy ground near the sea ; 



rare. 



1. Crossness ; Tripcock Ness. Dod. 



2. Dartford. H. 



3. Waste ground within gate of strawberry field between 



Chelsfield and Lullingstone, growing with TRI- 



FOLIUM RESUPINATUM, '03. W.H.G. 



NOTE. Such places should always be examined for casuals. 

 Manure, straw for mulching, and horses' nosebags are temporarily 

 deposited there, and frequently drop the seeds of interesting aliens. 

 W.H.G. 



a. St. Mary Cray Station, '85. Dr. Playfair. 



349. M. arabica, Huds. (MACULATA, Willd. B. and H.), 58, A. 



Gravelly soils ; common. 



1. Keston Common, '02. W.H.G. 



2. Gravel-pit, Holly Hill Estate, Belvedere, '04. R.H.C. 



(99) MELILOTUS, Hill (MELLILOT). Honey fls. adapted to 



bees. 



351. M. officinalis, Lam. 6 8, B. Waste places; frequent; on 

 drying this pi. gives off a strong odour of new-mown hay 

 (cumarin). 



1. Brickfield near Dartford Heath, '03. R.H.C. 



