2m ROSACEA. [Ceat^gus. 



7. CRAT^GUS, Linn. ; Fl. Brit. Ind. ii, 383. 



Shrubs or small trees, often spiny. Leaves simple, lobed or pinna- 

 tifid; stipules decidiloiis. Flowers in terminal corymbose cymes, 

 •white or red ; brads caducous. Calyx-tuhe urceolate or campanulate ; 

 mouth contracted ; lobes 5, persistant or deciduous. Petals 5, inserted 

 at the mouth of the calyx-tube, imbricate in bud. Stamens many. 

 Carpels 1-5, adnate to calyx-tube; styles 1-5; stigma truncate; 

 ovules 2 in each cell, ascending. Fruit ovoid or globose, with a bony 

 1-5-celled stone, or with 1-5 bony 1-rarely 2-seeded stones — Species 

 about 50, inhabiting N. temp regions, chiefly in America, extending 

 south to Mexico and the Andes of New Grenada. Closely allied to 

 Cotonea>iter, under which genus the species are sometimes placed. 



C. crenulata, Roxh, Hort. B-^ng. 33; Fl. Itid.ii, 509 ; F. B. I. ii, 384. 

 '€. Pyracantha, Brand. For. Fl. 208. 



A larg-e ever.^reen rigid glabrous spinescent shrub or small tree. Leaves 

 crowded on short lateral hranchlets, 1-2 in. long, linear-oblong or obo- 

 vate, obtuse, narrowed into the very short petiole, very coriaceous, 

 shining, nerves indistinct. Coryinhs short, many -flowered, glabrous or 

 puberulous. Flowers 5-I in, across, on slender pedicels, white. Oalyx- 



■ tube hemispheric, lobes obtuse. Petals orbicular, shortly clawed ; styles 

 ^, inserted ventrally. Carpels 5, connate below. Fruit globose, less 

 than 5 in. in diam., orange-red, crowned with the erect calyx-lobes. 



tDehra Dun, on the banks of streams. Distbib. From the foot of the 

 Himalaya up to 8,000 ft. Flowers during April and May. The hard 

 wood is used for axe-handles, etc. The English Haivthorn (C. Osyacantha) 

 is found on the W. Himalaya. 



XLV.-SAXIFRAGACE.^. 



Teebs, shrubs or herbs. Leaves alternate or opposite, rarely stipu- 

 late. Inflorencence various. Floioers hermaphrodite or polygamo- 

 dicecious, the sepals, petals and stamens symmetrically regular. Calyx 

 more or less adnate to the ovary, sometimes nearly free or quite 

 inferior ; lobes imbricate or valvate. Petals 5 or 4, rarely 0, peri- 

 gynous or epigynous, rarely subhypogynous, imbricate or valvate. 

 Stamens inserted with the petals, equalling or double their number, 

 •rarely numerous ; staminodes or glands sometimes present between the 

 stamens and ovary. Ovary of 2 or 3-5 carpels, usually 2- or 3-5-celled 

 with axile placentas, less commonly 1- celled with parietal placantas ; 



