21. BALSAM IN ACE^E. 22. OXALIDACE^E. 67 



white. Sep. deeply and acutely 3-cleft, connected below into a 

 tube. Damp sandy places. A. VII. VIII. 



Order XXI. BALSAMINACE^E. 



Sep. 5 (2 upper usually wanting), irregular, deciduous, lower 

 spurred, imbricate in aestivation. Pet. 5, irregular, united in 

 pairs. Stam. 5. Anth. 2-celled, opening at the apex by a lon- 

 gitudinal fissure, more or less connected. Ovary 5-celled. Fr. 

 capsular with 5 elastic valves. Seeds solitary or many, pendu- 

 lous ; albumen 0. L. without stipules. Plant succulent. 



1. IMPATIENS. Sep. 3, the lower one cucullate with a spur. 

 Pet. 3, upper one symmetrical, lateral unequally 2-lobed or 

 each formed of 2 combined. Anth. cohering. 



1. IMPATIENS Linn. Balsam. 



1. I. Noli-me-tangere (L.); 1. ovate coarsely serrate, pedun- 

 cles many-flowered solitary, spur loosely recurved not emarginate. 

 E. B.937. R. v. 198. b". St. 5. 15. Fl. large, yellow spotted 

 with orange. Serratures of the leaves not glandular. St. 1 2 

 feet high, tumid at the joinings. Damp woody places in moun- 

 tainous districts. A. VII. IX. Yellow Balsam. E. 



[*2. I. fulva (Nutt.) ; 1. ovate coarsely serrated, peduncles 

 about 4 -flowered solitary, spur closely rejlexed emarginate. 

 E. B. S. 2794. Fl. orange-yellow spotted with red. Serratures 

 of the 1. with a reflexed glaftdular tooth. St. 23 feet high. 

 An American plant quite naturalized by the Wey and other rivers 

 in Surrey. A. VIII.] E. 



Order XXII. OXALIDACE^. 



Sep. 5, equal, persistent, imbricate in aestivation. Pet. 5, 

 equal, often cohering at the base, twisted in aestivation. Stam. 

 ID, more or less monadelphous, those opposite to the pet. 

 longer than the others. Anth. 2-celled, not connected. Ovary 

 5-celled. Styles 5, Caps. 5 10-valved. Seeds several ; testa 

 fleshy, bursting elastically. Embryo straight, in cartilaginous 

 albumen. 



1. OXALIS. Sep. 5, connected below. Pet. 5, often connected 

 below. Stam. 10, monadelphous, 5 outer ones shorter. 

 Styles 5. 



1. OXALIS Linn. Wood-Sorrel. 

 1. 0. Acetosella (L.) ; stemless, rhizome creeping toothed, 1. 



