ROSACEA. 459 



branches virgate ; buds scaly ; leaves alternate simple petiolate ; 

 stipules lateral subulate caducous ; flowers solitary terminal pedun- 

 culate. {Japan, north of China ?). See p. 380. 



28. Rhodotypos Sieb. & Zucc. — Flowers hermaphrodite ; recep- 

 tacle broadly infundibuliform, lined by a pilose glandular disk pro- 

 duced above into a depressed conical pitcher, silky within, 4-dentate 

 at apex inclosing the carpels. Sepals 4, spreading imbricated ; 

 calycle of 4 alternating entire 2-fid or 2-partite leaves Petals 

 4 (of Kerria), alternate imbricated. Stamens oo (of Kerria), 

 inserted on receptacle below corolla, as well as on outer face of 

 the pitcher. Carpels 4, inserted in bottom of receptacle and in- 

 cluded in pitcher of disk, oppositipetalous ; ovary 1-celled ; style 

 terminal, at apex scarcely capitate stigmatiferous ; ovules 2, ventral 

 collaterally descending incompletely anatropous : micropyle superior 

 extrorse. Drupes 1-4, pisiform; mesocarp thin; putamen bony 

 1-seeded. Seed slightly albuminous ; embryo fleshy; radicle supe- 

 rior. — A shrub ; branches decussate ; leaves opposite (of Kerria) ; 

 stipules 2 lateral; flowers solitary terminal. {Japan.) See p. 381. 



29. Neviusia A. Gray. — Flowers hermaphrodite ; receptacle 

 short cupuliform, lined by a glandular disk. Sepals 5, ecalyculate 

 leafy serrate imbricate. Petals 0. Stamens jo (of Kerria). Carpels 

 2, 3, more frequently 4 (of Kerria) ; micropyle superior extrorse. 

 Drupes 1-4, surrounded by enlarged calyx ; mesocarp thin ; endo- 

 carp fleshy ; radicle superior inflexed. — A shrub ; leaves alternate 

 simple ; stipules minute free lateral ; flowers solitary or few ter- 

 minal pseudumbellate. {Alabama.) See p. 382. 



30. Stephanandra Sieb. & Zucc. — Flowers hermaphrodite (of 

 Spircea) ; receptacle broadly campanulate. Imbricate sepals and 

 petals and disk oi Spircea. Stamens 10, inserted in throat of recep- 

 tacle, 5 superposed to petals, 5 alternating. Carpel 1, inserted in 

 bottom of receptacle ; ovary 2-ovulate ; ovules collaterally descending; 

 micropyle superior extrorse, or one finally horizontal or descending ; 

 micropyle inferior introrse. Follicle 1, 2-seeded. Seeds albumi- 

 nous ; embryo fleshy superior. — A slender shrub ; branches dis- 

 tichous flexuous ; buds scaly ; leaves alternate incised or pinnatifid ; 

 stipules lateral leafy persistent ; flowers in simple or compound 

 corymbose racemes. {Japan.) See p. 382. 



