A6R0STEMMA. DECANDRIA. PENTAGYNIA. 4GI 



1-celled, opening with 5 teeth. Gen. pi 795. Nn t ^ 

 Gen. I. p. 291. Ju s s. p. 302. L a m. ///. t. 388. 

 Nat. Ord. Caryophylle^ Ju s s. Corn-cockle. 



A. Githago L. : hairy ; calyx much longer than the co- 

 rolla ; petals entire, without a crown. W i U <l. Spec. II. p. 

 805. Smith Fl. Brit. I(. p. 493. £n?. Bot. t. 576. 

 Pursh Fl. I. p. 32K 



Root annual. Whole plant of a pale green colour, covered with 

 appressed hairs, about 2 feet high, a little branched above. 

 Leaves opposite, linear-lanceolate, 3 — 4 inches long, cijiate 

 with long loose hairs. Flovjers solitary, terminal, large. Cahjx 

 elliptical, l6-ribbed, with 5 very long linear-lanceolate spread- 

 ing teeth. Petals purple, half as long as the calyx, with the 

 orifice naked ; limb obcordate. 



Hab. In corn fields. June — July. Introduced. 



309. OXALIS. L. 



Calyx 5-parted, persistent. Petals 5, slightly con 

 nected at the claws. Capsule pentangular, 5-celled, 

 bursting at the angles ; cells 2, or many-seeded. Seeds 

 covered with an elastic arillus. Gen. pi. 79 1. Nu 1 1. 

 Gen. I. p. 292. .Tuss. p. 270. Lam. III. t. 391. 

 Nat. Ord. Oxalide^e R. Brown. Gerantaceis 

 affinis Juss, I rood-sorrel. 



* Stemless. 



1. O. /Icetosella L,: stemless; scape 1-flowcjcd, longer 

 than the leaves; leaves ternate, dilated-obcordate, pilose ; 

 styles as long as the interior stamens ; root dentate. fVi 1 1 d. 

 Spec. II. p. 780. Smith Fl. Brit. II. p. 49 1 . En^. Bot. 

 t. 762. M i c h. Fl' II. p. 38. Purs h Fl. I. p. 322. 



Hooe horizontal, squamose dentate. Leaves all radical, on pe- 

 tioles 2 — 4 inches long; leaflets broadly obcordate, with the 

 lobes rounded, sprinkled with hairs on both sides, often of a 

 purplish colour beneath. Scafie slender, with 2 minute liracts 

 above the middle, terminated with a large nodding flower 

 Calyx 5-parted to the base ; segments lanceolate. Petals 

 expanding, obovate, with red veins, yellow at the base. 5^^- 

 7nens somewhat monadelphous, alternately shorter ; f laments 

 smooth; awfAers small, oval, 2-celled. Styles j, as long as 

 the stamens, erect; stigmas bifid at the extremity. Cafisult- 

 rostrate ; valves cohering by the axis; cells 2-sec(lcd. Seeds 

 suspended, ejected from the capsule by the rnpnire of the 

 clastic arillus. 



