ORDERS, GENERA, AND SPECIES. 193 



276. Impatiens parviflora, ; July 12 ; garden escape 

 naturalised in many places. p. 140 



Order 22. Oxalidaceae. Stamens 10 ; petals 5, cohering 

 at the base ; sepals 5 ; carpel 5-celled, many-seeded ; 

 low herbs with radical, generally trifoliate leaves 

 and axillary, regular flowers. 



277. Oxalis acetosella, 115 ; F. W. F. i. 153 ; April 5 : 

 Great Britain, Ireland, Channel Islands. p. 24 



278. Oxalis cornicidata, ; June 14 ; England, especi- 

 ally S. W. ; Ireland. p. 90 



279. Oxalis stricta t ; June 12 ; Cheshire southwards, 

 Ireland casually. p. 90 



SUB-DIVISION (6). 



Plants with stamens inserted on the calyx or disc (peri- 

 gynous or epigynous). 



Order 23. Celastraceae. Stamens 4-5, alternating with 

 4-5 petals ; sepals 4-5 ; capsule fleshy ; trees or 

 shrubs with simple, opposite leaves and small, regular 

 flowers in axillary cymes. 



280. Euonymus Europaus, 74 ; F. W. F. in. 97 ; May 

 29 ; Roxburgh southwards, Ireland local. p. 52 



281. Staphylea pinnata, ; June 8 ; shrubberies in 

 Yorkshire, and Ashford (Kent). p. 81 



Order 24. Rhamnaceae. Stamens 4-5, very short, oppo- 

 site the 4-5 petals ; petals sometimes absent ; sepals 

 4-5 ; ovary superior, 3-celled ; shrubs with simple 

 leaves and small, greenish, regular flowers. 



282. Rhamnus catharticus, 57 ; May 28 ; Westmorland 

 southwards, Ireland rare. p. 53 



283. Rhamnus Frangula, 63 ; May 26 ; England com- 

 mon, Ayr and Moray, Ireland very rare. p. 53 



Order 25. Leguminosae. Stamens 10, united generally ; 

 petals 5, irregular, papilionaceous ; sepals 5, often 



N 



