274 48. SAXIFEAGACE^! : HTDEANGE^. 



appresse setulosa, simul scabrida, supra tarde glabrescentia, 

 subtus pallidiora, venis primariis lateralibus circiter 5-7 sat con- 

 spicuis ; petiolus subteres, gracilis, usque ad 4 poll, longus. 

 Cymce terminates, planas, 4-5 poll, diametro, densiusculse, dense 

 appresseque setosse, pedicellis florum radiantium pollicaribus gra- 

 cilibus patentibus, pedicellis florum fertilium brevisissimis ; 

 florum radiantium lobi calycini rotundati, latiores quam longi, 

 nervosi, glabri, integri, 5-8 lineas lati. Flores parvi, albidi {A. 

 Henry), glabri ; calycis dentes parvi vel minuti ; petala apice 

 cohaerentia et conjuncta cadentia; stamina 10, filamentis longis- 

 simis; ovarium omnino inferum, 2-loculare, stylis glabris crassis 

 divergentibus. Capsula globosa, costata, circiter sesquilineam dia- 

 metro ; semina numerosa, oblonga, acuta, nitida, costata. 



Hupeh : Nanto and mountains to tbe northward {A. Henry !). 

 Herb. Kew. 



A very distinct species resembling H. scandens, Maxim. (H. 

 petiolaris, Sieb. et Zucc), in tbe sbape of tbe leaves and in the 

 very long petioles. 



Var. lanceolata, Hemsl. ; foliis lanceolatis basi cuneatis absque 

 petiolo longissimo usque ad 5g poll, longis. 



Hupeh : Patung district {A. Henry I). Herb. Kew. 



Except in the very different shape of the leaves, this does not 

 appear to differ from our type. 



5. Hydrangea Mcellendorffi, Hance in Journ. Bot. 1874, p. 177. 

 Kiangsi: Kiukiang {McellendorffX) . Mus. Brit. 



6. Hydrangea paniculata, Sieb. in Nov. Act. Nat. Cur. xiv. 2. 

 p. 599; DC. Frodr. iv. p. 666 ; Sieb. et Zucc. Fl. Jap. i. p. 115, 

 t. 61 ; Maxim. Revis. Hydrang. As. Or. p. 9 (varietates). 



Fokien : Amoy (Swinhoe !). Herb. Kew. 



Japan. 



Maximowicz states that this is the only arboreous species in 

 Japan, where it attains a height of twenty -five feet. It is gene- 

 rally cultivated in Japan, and the Amoy specimen cited above 

 may have been taken from a garden. 



7. Hydrangea vestita, Wall. Tent. Fl. Nep. t. 49 ; Hook. f. 

 Fl. Brit. Ind. ii. p. 405 ; Maxim. Revis. Hydrang. As. Or. 

 p. 10 (var. pubescens). 



Chihli: Siaowutaishan {Mcellendorffi, near Peking (Bret- 

 schneiderl David I Mus. Brit.; Herb. Kew. 



