ROSACEA. 237 



Generally a large stragglins^ bush, 6 to 10 feet high, with tufted 

 branches. Leaves shortly stalked, lamina 1 to 2 inches long, nar- 

 rowed from beyond the middle to the base, the basal angle 

 usually less than a right angle, with slightly convex sides, the 

 lobes generally short and blunt, more rarely abruptly acuminated 

 into a short point; midrib very prominent beneath, the other 

 veins much less so. Stipules on the barren shoots half arrow- 

 shaped, denticulate. Corymbs lax, few-flowered. Peduncles long 

 and slender. Flowers white, J inch across, with the petals scarcely 

 contiguous. Fruit ovoid or roundish-ovoid, generally wath 2 stones 

 embedded in rather soft pulp. Leaves deep green, somewhat 

 leathery, very glossy. 



Glahrmis White-thorn, or Sawthorn, May. 



French, Alisxer aubepme. German, Gemenier Weissdom. 



Sub-Species II.— Crataegus monogyna. Ja^q. 



Plate CCCCLXXX. 



C. Oxyacantha, var. ft, Bab. Man. Brit. Bot. ed. v. p. 117. 

 Mespilus monogyna, Will<l. Wallr. Sched. Grit. p. 221. 



Leaves rhomboidal or rhomboidal-ovate, with 3 to 5 lobes, 

 margins straight or concave from the base to the apex of the first 

 lobe, usually entire, except at the tips of the lobes ; lobes longer 

 than broad, and acute at the apex. Peduncles generally downy. 

 Calyx-tube more or less downy ; segments slightly downy, ovate- 

 triangular, acuminate, suddenly reflexed. Style 1. Fruit with 1 

 stone. 



In hedges, woods, thickets, and on heaths. Very common, and 

 generally distributed, though probably introduced in many of its 

 localities, being the form that is generally used for quickset hedges, 

 and planted in pleasure-grounds. 



England, Scotland, Ireland. Slirub or Tree. Early Summer. 



A much-branched bush, with stiff very prickly branches, in 

 favourable localities becoming a tree 15 or 20 feet high. Leaves 

 much more deeply cleft and less glossy than in C. oxyacanthoides, 

 sometimes even pinnatipartite, with acute segments. Peduncles 

 and calyx generally clothed with whitish pubescence. Flowei's in 

 more compact corymbs, more numerous, rather smaller, f inch 

 across, white, rarely pink. Fruit smaller. Leaves with the midrib 

 and the veins which run into the main lobes prominent beneath. 



It appears to me that this shrub is entitled to be considered 

 distinct from the preceding, though intermediate states occur, which 

 render it difficult to agree with the great majority of foreign 



