DICOTYLEDONS. LEGUMiNOS.^. Ldthyms. 267 

 3. ONONIS. 



Cal. 5-cleft, its divisions linear. Standard striated. Legume 

 turgid, sessile. Filaments in one undivided set. 



1. O. arvensis, stem hairy, branches at length spinous, flowers 

 mostly solitary, leaves ternate below, the rest simple serrated 

 entire at their base. p. 213. 



4. ANTHYLL1S. 



Cal. inflated, 5-toothed ; inclosing the small, roundish, 1 3- 

 seeded legume. 



1. A. vulneraria, leaves pinnated unequal, heads of flowers in 

 pairs, p. 213. 



** Stam. diadelphoiiSf nine united and one free. 

 t Style mure or less pubescent beneath tlie stignia. 



5. OROBUS. 



Style linear, cylindrical, downy above. Cal. obtuse at the base, 

 its upper segments deeper and shorter. 



1. O. tuberosus, leaves pinnated with 3 4 pairs of lanceolate 

 leaflets glaucous beneath, stipules semisagittate toothed at the 

 base, stem simple erect, p. 213. 



2. O. niger, leaves pinnated with 4 6 pairs of ovate or elliptical 

 leaflets, stem branched angular erect a . Rocks by the side of 

 the Is la, den of Airly. 



3. O. sylvaticus, leaves pinnate hairy with 7 10 pairs of ovato- 

 oblong acute leaflets, stipules semisagittate, stem branched de- 

 cumbent hairy, p. 213. 



6. LATHYRUS. 



Style plane, downy above, broader upwards. Cal. with its 2 upper 

 segments shortest. 



1. L. pratensis, peduncles 2 S-flowered, tendrils with two lan- 

 ceolate 3-nerved leaflets, stipules sagittate as large as the leaves, 

 p. 213. 



2. L. sylvestris, peduncle 4 5-flowered, tendrils with 2 ensiform 

 leaflets, stem winged, p. 214. 



3. L. latifolius, peduncles many-flowered, tendrils with 2 ovato- 

 elliptical mucronated leaflets^ stem winged, p. 214. 



4. L. palustris, peduncles from 3 6- flowered, tendrils with 2 4 

 pairs, of linear- lanceolate acute leaflets, stipules semisagittate 

 lanceolate, stem winged, p. 214. 



* This has lately been communicated to me by Mr. Drummond of Forfar, 

 who has had the good fortune to discover it, truly wild, at Airly, 10 mile*' 

 west of Forfar. 



