21. OXALIDACEiE. 75 



Plants succulent. Many rapMdes. Minute but fertile fl. which 

 do not open are found. 



1. Impatiens. Sep. 3, the lower one hoodlike with a spur. 

 P§t. 3, upper one symmetrical, lateral unequally 2-lobed 

 or each formed of 2 combined. Anth. cohering. 



1. Impa'iiens Linn. Balsam. 



I. I. NoU-me-tan' gere (h.) ; 1. ovate coarsely serrate, pedun- 

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

 —E. B. 937. R. Y. 108. b. St. 5. 16.— Fl. lar^e, 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. I. 



*2. 1. ful'va (Nutt.) ; 1. ovate coarsely serrate, peduncles 

 about 4-flowered solitary, spur closely refleiied emarginate. — 

 E. B. 8. 2794. — Fl. orange-yellow spotted with red. Each ser- 

 rature 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 Surrey. A. VIII. E. 



*3. I. parvifldra (DO.) ; 1. elliptic serrate, ped. erect 3 — 12- 

 flowered, spur short straight. — Sy. E. 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. OXALIDACE^. 



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

 often cohering at the base, twisted in the bud. Stam. 10, more 

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

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

 5 — 10-valved. Seeds several. Embryo straight, in cartilaginous 

 albumen. — With stipules. 



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

 below. Stam. lO, monadelphous, 6 outer ones shorter. 

 Styles 5. Seed with an elastic coat. 



1. Ox'alis Linn. Wood-Sorrel. 



1. ,0. Aeetosel'la (L.) ; sicwifes, rhizome creeping toothed, al- 

 ternate, leaflets obcordate hairy, peduncles with 2 scaly bracta 

 at about the middle 1-flowered, cfips. ovoid, seed longitudinally 

 ribbed.—^. B. 762. R. v. 199.— Fl. white with purple veins 



e2 



