29G PRACTICAL BOTANY. 



5. Agrostemma, L. Corn-cockle. Species: 



Agrostemma Githago, L. 



6. Ilonkenya^ Ehrh. Sea-sandwort. Species : 



Honkenya peploides, Ehrh. 



V. Alsine, Wahl. Grove Sandwort. Species 4. 



8. Arenariayh. Sandwort. Species: 



Arenaria serphylUfoUa^ L. Thyme-leaved Sandwort. 



9. 3foehringia^ L. Species: 



Moehringia lateriflora^ L. 



10. Stellaria, L. Chickweed. Starwort. S2yecies 1. 



11. ITolosteicm, L. Jagged Chickweed. Species: 



Holosteum iimhellatum^ L. 



12. Cerastium^ L. Mouse-ear Chickweed. Species 5. 



13. il!/(:e?^cA^a, Ehrh. (Cerastium, Fenzl.) Species: 



Moenchia quaternella, Ehrh, 



14. Sagina^ L. Pearlwort. Species 3. 



15. Spergularia, Fers. Spurrey-Sandwort. Species: 



Spergularia ruhra^ Pers. 



16. Sj^^ergida, Jj. Spurrey. Species: 



Spergula arvensiSy L. 



17. Anychia, Mx. Forked Chickweed. (Sessile stigmas 



2. The stem-part of the embryo or radicle turned 

 downward.) Species : Anychia dichotoma, Mx. 



18. Paronychia^ Tourn. Whitlow-wort. (Radicle of the 



embryo ascending.) Species 2. 



19. Scleranthus, Jj. Knawel. Sj^ecies: 



Sclera7ithus anntius, L. 



20. MoUugo, L. Indian Chickweed. Species : 



Mollugo verticillata, L. Carpet-weed. 



ORDER XXII. 



poktulacace^, or purslanes. 

 Genera : 



1. Sesuviiwijli. Sea-Purslane. Species: 



Sesuvium Portulacastrum, L. 



2. Portulaca, Tourn. Purslane. Species : 



Portidaca oleracea^ L. Common Purslane. 



