8AXIFUAGACEJE. 431 



ciduous ; inflorescence and exterior sterile flowers of Hydrangea 

 (Japan). See p. 342. 



25. Pileostegia Hook. f. & Thoms. — Flowers (nearly of Hy- 

 drangea), 4, 5-merous ; sepals short, imbricate. Petals as many, 

 valvate, coherent-calyptrate. Stamens 8-10. Germen inferior, 4, 5- 

 celled ; style thick columnar subclavate ; apex conical truncate ; angles 

 4, 5, longitudinally stigmatose. Capsule 4, 5 -celled (of Hydrangea). — 

 Glabrous shrubs ; leaves opposite exstipulate petiolate oblong-obovate 

 acuminate, entire or serrate; flowers in branching compound ter- 

 minal racemes (Temperate and East Asia). See p. 342. 



26. Dichroa Lour. — Flowers nearly of Pileostegia, all fertile; 

 petals 5, G, valvate. Stamens 10-12, epigynous. Germen inferior, 

 incompletely 3-6-celled ; styles 3-6, diverging subclavate, stig- 

 matiferous at apex within. Fruit baccate (deep blue), in great part 

 inferior, indehiscent. Seeds co , of Hydrangea. — A shrub ; branches 

 rather thick ; leaves alternate petiolate ovate-acuminate serrate ex- 

 stipulate; flowers in compound corymbiform terminal cymes (Southern 

 China, Himalaya, Java, Philippine Islands). See p. 343. 



27. Broussaisia Gaudich. — Flowers nearly of Dic/iroa, poly- 

 gamous-dioecious ; germen of male flowers imperfect, for the most part 

 superior. Petals in female flowers small or squamiform. Germen 

 5 -celled ; style thick short subconical, apex thickened to a radiate- 

 5-lobed mass ; placentas thick, simple or more often 2-partite. Berry 

 globose many-seeded. — A small shrub ; branches thick terete ; leaves 

 opposed or subverticillate ; petiole exstipulate, dilated at base ; flowers 

 in terminal compound corymbiform racemes (Sandwich Islands). 

 See p. 343. 



VII. PHILADELPHE.E. 



28. Deutzia Thunb. — Flowers hermaphrodite; receptacle sub- 

 campanulate. Sepals 5, valvate ; petals as many alternate, imbricate 

 or induplicate-valvate, inserted in throat. Stamens 10, 2-seriate 

 inserted with perianth below edge of glandular epigynous disk ; fila- 

 ments flat, subulate or 3-fid at dilated apex ; middle lobe antheri- 



