10* POMACE.E. [Peterhm. 



County of Sligo. FL July, Aug. %. — One of the most elegant of 

 our native plants. Inflorescence similar to that of A. vulgaris; but 

 the leaves are very different, and the leaflets are beautifully silky on 

 the under side. 



3. A. arvensis, Sm. Field Lady's Mantle, or Parsley Piert. 

 Leaves trifid, pubescent; lobes deeply cut; flowers sessile, axil- 

 lary. Br. FL 1. p. 70. E. FL v. i. p. 224. E. Bot. t. 1011. 

 — Aphanes arvensis, Linn. 



Fields and gravelly soils, frequent. Fl. May — July. %. — Stems 

 branched, leafy, four to five inches long, frequently prostrate. Leaves 

 alternate. St/pules large. Stam. varying in number, Gcrmens one 

 ©r two. 



13. Poterium. Juss. Garden-Burnet. 



Flowers collected into a head, with three or four bracteas at the 

 base of eacli ; upper ones fertile. Barren fl. Calyx of four 

 deep segments. Corolla 0. Stam. 30 — 40, with very long 

 flaccid filaments. Fertile jl. Calyx tubular, contracted at 

 the mouth, with four deciduous teeth. Pistils 2. Stigmas 

 tufted. Pericarps 2, one-seeded, invested with the hardened 



4-angled tube of the calyx Name from poterium, a drinking 



eup; the plant having been used in the preparation of a drink., 

 called in England a cool-tankard. 



31on&cia. Polyandria. 

 1. P. Sanguisorba, Linn. Common Garden-Burnet. Spines 



none; stem somewhat angular. Br. FL I. p. 407. E. FL v. 



iv.p.147. E.BoLt.Sm. 



Dry pastures and gravelly banks, more generally in the limeslone 

 districts, frequent. Fl. July. %.■ — One to two feet high. Leaves 

 pinnate, with ovate, serrated leaflets. Flowers dull purplish. The 

 Icavrs smell and taste like cucumber, and are sometimes used in Eng- 

 land in salads. 



Ord. 28. PCO.IACEiE. Lindl. Apple Family. 



Calyx inferior, 5-toothed ; the odd segment posterior. Petals 

 5, unguiculute, inserted in the throat of the calyx; the odd one 

 anterior. Stamens indefinite, inserted in a ring in the throat of 

 the calyx. Disk thin, clothing the sides of the limb of the 

 calyx. Ovarium from 1 to 5-celled, seldom spuriously 10-celled; 

 ovules usually 2, collateral, ascending, very rarely solitary; 

 styles from 1 to 5; stigmata simple. Fruit a pome, one to five- 

 celled, seldom spuriously 10-cclled; the endocarpium either 

 cartilaginous, spongy, or bony. Seeds ascending, solitary. 

 Albumen none ; embryo erect, with flat cotyledons, and a short 

 conical radicle. — Trees or shrubs. Leaves alternate, stipulate, 

 simple, or compound. Flowers i?i terminal cymes, white or 

 pink. 



