SECT. II 



PHANEROGAM I A 



613 



scent, though not edible when uncooked. In Mcspilus germanica, the Medlar, 

 the fruit has an apical depression surrounded by the remains of the calyx. The 

 evergreen Eriohotrya japonica, is coniinonly planted in the Mediterranean region; 

 fruits contain several large seeds, and are succulent, having an acid flavour, 

 Sorbus [Pyrus) auciqmria, the Rowan. Crataegus {Mespilus) oxycantha, the 

 Hawthorn, in hedges or planted as an ornamental tree. 



(c) ^oseae. — Floral axis concave, pitcher- shaped, with one to many free 

 carpels, each of which encloses 1-2 ovules. The paitial fruits are nut-like, and are 

 enclosed by the hollowed floral axis. Hosa with numerous species, varieties, and 

 cultivated forms, which have been for long valued on account of their form, colour. 



''^^^^ 



t^"^- is 



Fio. 026. — Quillaja Saponaria. (* nat. size. 

 After A. Meyer and Schumann.) 



Fig. &2~. — Pifrus malus. Flowering shoot, 

 single flower, and fruit in longitudinal 

 section, (i nat. size.)' 



and scent (Fig. 624 C). The floral receptacle becomes succulent. Shrubs, some- 

 times straggling climbers, with unequally pinnate leaves, the large stipules of 

 which are adherent to the base of the leaf-stalk, and brightly coloured, con- 

 spicuous flowers. Sepals, inserted on the margin of the receptacle, leafy and 

 pinnately divided (cf. Fig. 490). The double flowers result from -the petaloid 

 development of many of the stamens. Agrimonia and Hagenia abyssinica have a 

 dry cup-shaped receptacle. Hagenia (-''a) is a dioecious tree with unequally pinnate 

 leaves, the adherent stipules of which render the petiole Avinged and channelled. 

 Inflorescence a copiously branched panicle. Each flower has two bracteoles and an 

 epicalyx. The flowers are unisexual by suppression of the male and female organs 

 respectively. The corolla later falls off and the sepals become inrolled, while the 

 epicalyx enlarges. The two free carpels have each a single ovule. Fruit one-seeded 

 (Figs. 628, 629). Alchemilla has'uo petals ; the lack of a conspicuous corolla may 

 perhaps stand in relation to the apogamous development of the embryo ("a) 



