

Rosa.] ROSACEJE. 135 



England, rare to the N. and in Scotland. — Var. R. bibractea'ta, Bast., shoots 

 stronger more arching, leaflets large more acute, fruit obovoid, peduncles 

 thinly glandular. (Easily mistaken for stylo'sa.) 

 Sub-sp. K. stylo'sa, Bast. ; bush tall, rarely low, leaflets pubescent beneath, 

 peduncles elongate more or less bristly and glandular, sepals reflexed much 

 pinnate, styles as long as or shorter than the stamens. — Connects arven'sis 

 with cani'na. — R. stylo'sa proper ; leaflets oblong acute rounded at the base 

 hairy all over beneath, petioles and peduncles with a few glands and bristles, 

 flowers 3-6 white, styles protruded, disk very prominent. Sussex. — Var. 

 R. sys'tyla, Bast. (R. collina, Engl. Bot., not Jacq. R. leucochroa, Desv.), like 

 stylo'sa but flowers usually pink, leaflets hairy only on the nerves beneath, 

 and petioles less hairy. Mid. and S. England. — Var. opa'ca, Baker ; leaflets 

 still more hairy beneath rounded at the base, peduncle shorter naked, flower 

 white 1 in. diam., styles scarcely protruded. Kent. — Var. yallicoi'des, 

 Baker ; habit and leaflets of sys'tyla, but prickles of stem mixed with copious 

 glands and bristles, leaflets almost doubly-serrate, flowers white, fruit narrow, 

 6tyles as long as stamens. "Warwick. — Var. Monso'nice, Lindl. ; low, erect, 

 flowers red very large, styles scarcely protruded, fruit subglobose orange- 

 red. Hereford. — Var. R. fastigia'ta, Bast.; flowers pink, styles not pro- 

 truded. 



12. PY'RUS, L. Pear, Apple, Service, &c. 



Trees or shrubs. Leaves deciduous, simple or pinnate ; stipules deci- 

 duous. Flowers white or pink, in terminal cymes or corymbs, honeyed ; 

 bracts subulate. Calyx-tube urceolate ; lobes 5, superior, reflexed, per- 

 sistent or deciduous. Petals 5. Stamens many, filaments sometimes con- 

 nate at the base. Disk annular, or coating the calyx-tube. Carpels 2 --5, 

 connate and adnate to the calyx-tube ; styles distinct or connate below, 

 stigmas truncate ; ovules 2 in each cell, ascending. Fruit (a pome) fleshy, 

 2-5-celled ; endocarp cartilaginous or bony often 2-valved, cells 1-2- 

 seeded. — Distrib. N. temp, and cold regions; species 40. — Etym. The 

 old Latin name. 



Section 1. Py'rus proper. Fruit large 5 - celled ; cells 1-2-seeded ; 

 endocarp cartilaginous. Flowers umbellate or in simple cymes. Styles 5. 



1. P. commu'nis, L. ; cymes simple, styles distinct to the base, fruit 



pyriform. Wild Pear. 



Woods and thickets, from Yorkshire southd., a relict of gardens ? ; (a denizen ? 

 Wats.) ; fl. April-May. A shrub or small tree, 20-40 ft. ; branchlets more 

 or less spinescent and pendulous. Leaves 1-1| in., fascicled on the last 

 year's wood, alternate on the shoots, oblong-ovate, acute, obtusely serrate, 

 more or less pubescent or flocculent below when young, those of the young 

 tree often lobed; petiole slender. Flowers 1-lg in. diam.,white, proterogynous. 

 Fruit 1-2 in. long.— Distrib. E. Europe to W. Asia, Himalaya. 



P. commu'nis proper (P. Pyras'ter, L.) ; leaves shortly acuminate pubescent 

 below when young, base of fruit obconic. — Var. P. Ach'ras, Gaertn. ; leaves 

 broader acute or cuspidate flocculent on both surfaces when young, fruit 

 rounded at the base. Barer.— Var. P. corda'ta, Desv. (Brigy'sii, Syme) ; 

 leaves ovate base rounded, fruit very small globose or pyriform. Cornwall. 



