ROSACK^. 251 



Sub-Gexus II.— EU-PYRUS. (Pyrus, Linn.) 



Fruit rather large, sub-globose or turbinate, 5-celle(l ; cells 

 formed of tough parchment-like membrane, 2-seecled, or 1-seeded 

 by abortion. Flowers in simple corymbose or umbellate cymes. 

 Petals spreading. Styles 5, free or combined at the base. 



Section I.— PYROPHYLLUM. I>. C. 



Styles free. Truit turbinate or sub-globose, not umbilicatc at 

 the base. 



SPECIES v.— P YRUS COMMUNIS. Linn. 

 Flate CCCCLXXXVIII. 



Leaves on rather long petioles, oval or roundish, acuminate, 

 cuspidate, or obtuse and apiculate at the apex, finely serrate 

 or crenate-scn'ato on the margins. Flowers in simple corymbose 

 cymes. Styles distinct to the base. Fruit elongate- or rouudish- 

 tui'biuate, not umbilicate at the base. 



Sub-Species I.— Pyrus Pyraster. Boreau. 



Plate CCCCLXXXVIII. (principal figure). 



Boreau, Fl. du Centre de la Fr. ed. iiL Vol. II. p. 235. 

 P. communis Pyraster, Linn. Sp. Plant, p. 68G. 



Branches more or less sjiiny. Leaves oval or oblong-ovate, 

 shortly acuminate or sub-cuspidate, pubescent beneath when young, 

 glabrous when mature. Styles as long as the stamens. Fruit 

 elongate-pyriform, inversely conical towards the base. 



In woods, thickets, and hedges. Rare, and in many of its 

 localities probably the produce of seeds of the garden pear 

 accidentally dropped; most frequent in South of England, but 

 extending as far North as Yorkshire and the Lake district. It has 

 been said to occur at Clova, Forfarshire ; but there is little doubt 

 that it must have been introduced there, if not erroneously 

 reported. 



England, [Scotland], Ireland. Tree. Late Spring. 



This form, if allowed to grow freely, is a tree 20 to 40 feet high, 

 but when found in hedges is more frequently a shrub, not exceeding 

 G or 8 feet, in both cases with some of the branches armed witli 

 spines. Leaves fasciculate on the spurs, but distant on the shoots 

 ol' the year, 1-^ to 2. J, inches long when full-grown, at first pu- 



