80 21. OXALIDACKJ:. 



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

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

 or each formed of 2 combined. Anth. cohering. 



1. IMPA'TIENS Linn. Balsam. 



1. /. Noli-tan gere (L.) ; 1. ovate coarsely serrate, peduncles 

 many-flowered solitary, spw loosely recurved not emarginate. - 

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

 with orange. St. 1 '2 feet high, tumid at the joinings. Damp 

 woody places in mountainous districts, rare. A. VI. IX. 

 Yellow Balsam. E. S. 



*2. I. biflora (Walt.) ; 1. ovate coarsely serrate, peduncles 

 about 4-fiowered solitary, spur closely reflexed emarginate, 

 1. falva (Nutt.) ed. viii. E. B. S. 2794. Fl. orange-yellow 

 spotted with red. Each serrature of the 1. with a reflexed 

 glandular tooth. St. 2 3 feet high. An American plant 

 quite naturalized by the Wey and other rivers in Surrev. A. 

 VIII. E. 



*3. I.parviflora (DO.); 1. elliptic serrate, ped. erect 312- 

 flowered, spur short straight. !Sy. JE. B. 315. Fl. small, yel- 

 lowish. St. 6 18 in. high. L. very acute at both ends. 

 Waste places. A Russian plant now quite naturalized. A. 

 VII. IX. E. 



Order XXI. OXALIDACEJE. 



Sep. 5, equal, persistent, imbricate in the bud. Pet. 5, equal, 

 often cohering at the base, tw r isted in the bud. Stain. 10, more 

 or less monadelphous, those opposite to the pet. longer than 

 the others. Anth. 2-celled. Ovary 5-celled. Styles 5. Caps. 

 o 10-valved. Seeds several. Embryo straight, in cartila- 

 ginous albumen. With stipules. 



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

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

 Styles 5. Seed with an elastic coat. 



1. OX'ALIS Linn. Wood-Sorrel. 



1. O. Acetosel'la (L.) ; stemless, rhizome creeping toothed, 1. 

 ternate, leaflets obcordate hairy, peduncles with 2 scaly bracts 

 at about the middle 1-flowered, caps, ovoid, seed longitudinally 

 ribbed. .E'. B. 762. R. v. 199. Fl. white with purple vein's 

 or rarely purple or blue. Cor. about 4 times as long as the 

 calyx. Woods and shady places. P. V. Wood-Sorrel. 



E. S. I. 



