56 CRUCIFERAE 



**3. IiOESELii, Linn. Amoen. iv. 279 (1755). Jacq. Fl. Austr. 334. Nyman, 43. 

 S. hirsutum, Gilib. Fl. Lituan. 1. c. 74. Turritis Loeselii, R. Br. in Aiton, 

 Hort. Kew. iv. 109. 



Alien. Casual. Waste places. Rare. A. or B. August-September. 

 2. Ock. By the railway near Oxford and at Didcot. 



**S. ALTissiMUM, Linn. Sp. PI. 659 (1753), not of the Linn. Herb., where the 

 plant is 8. orientale. 

 S. Sinapistrum^ Crantz, Stirp. Austr. ed. 2, ii. 52 (1763). S. pannonicum, 

 Jacq. Coll. i. 70. 



Comp. Cyb. Br. 484. Reichb. Ic. Fl. Germ, et Helv. ii. f. 4406. 

 Alien. Casual. Waste places. Rare. A. or B. July. 



2. Ock. On rubbish heaps at Grandpont, 1895. Didcot, 1895. 



**S. Irio, Linn. Sp. PI. 659 (1753). London Rocket. 

 Irio laevis Apulus, Erucae folio, Col. Ecphr. 264 (1616). 



Cyb. Br. i. 1151, ' Oxford.' Syme, E. B. i. 145, t. 99. Nyman, 43. Baxt. t. 146. 



Fl. Oxf. 30. 

 Alien. Casual. Viatical. Very rare. A. May-June. 



2. Ock. Rubbish heaps at Grandpont, 1890 ; on ground now built upon. 



5. Loddon. Roadsides near Eton, Gotobed in Bot Guide, 38 (1805). This 

 locality was very likely in Buckinghamshire. 



The vernacular name arose from its being the plant which sprung up so 

 abiindantly over London after the Great Fire in 1666. See Merrett's Pinax 

 of that year, p. 66. 



The plant coraes up yearly in the Botanical Gardens at Oxford from self- 

 sown seed, and is occasionally found in the vicinity of the city. 



It does not appear to have been noticed in Hants or East Gloucestershire. 



S. AUiaria, Scop. Fl. Carn. ed. 2, ii. 26 (1772). Hedge Garlic, Jack by 

 the Hedge, Sauce Alone. 

 AUiaria, Gerard, 650. Erysimum AUiaria, Linn. Sp. PL 660. AUiaria 

 officinalis, Andrz. in M. Bleb. Fl. Taur. Cauc. iii. 445 and DC. 

 Syst. ii. 489. 



Top. Bot. 47. Syme, E. B. i. 146, t. 100. Nyman, 40. Fl. Oxf. 28. 

 Native. Septal. Hedges, coppices, river-banks, &c. Common and 



widely distributed. B. March- June. 

 First record. Near Oxford, Sir Jos. Banks, 1760, in Herb. Brit. Miis. 



Erysimum alliaria. Dr. Noehden, Mavor's Agr. Berks, 1809. 

 Sisymbrium Alliaria is found plentifully in all the bordering counties. 



ERYSIMUM, Linn. Gen. PI. n. 729 (Tournefort, Inst. t. 11 1). 



E. cheirantlioides, Linn. Sp. PI. 661 (1753). Treacle Mustard, Wo^-m- 

 seed Mustard. 



Top. Bot. 46. Syme, E. B. i. 149, t. 102. Nyman, 42. Baxt. t. 62. 



Fl. Oxf. 29. 

 Native or colonist. Agrestal, &c. Cornfields, garden ground, waste 



places, &c. Locally common. A. April-October. 

 First record. Camelina, Ger. Myagrum, Thlaspii effigie, Lob. This 



groweth about one mile from Bedding, [Hoic's'] Phyt. Brit. 19, 1650. 



