SAXIFRAGES. 



107 



subtus elevatis, venis supra planis subtus tenuiter elevatis), utraque pagiue 

 glabra, petiolis 6 mm. longis basi leviter dilatatis supra sulcatis. Cynue 

 terminales pseudo-umbellatee, radiis 3-4 exterioribus longioribus 1 cm. longis, 

 interioribus brevioribus 1 cm. longis pseudo-umbellulatis, umbellulis 10-12- 

 floratis. Flores steriles marginales paucissimi interdum ad nullum reducti, pedi- 

 cellis longioribus 1 cm. longis ; sepala 4, obovato-orbicularia, 9 mm. longa 8 mm. 

 lata, margine integra, 3-nervia, venis lateralibus 4-5 paucissimis non 

 reticulatis. Flores fertiles parvi, pedicellis brevioribus 2-3 mm. longis ; 

 calycis tubus 1 mm. longus obconico-campanulatus 1^ mm. latus, limbo 5- 

 dentato, dentibus remotis oblongo-triangularibus |- mm. longis ^ mm. latis ; 

 petala 5, oblonga, 2 mm. longa, 1 mm. lata, apice obtuse breve cuspidata basi 

 obtuse breveque cuneata, ad insertionem -J mm. lata ; stamina circ. 10, 1 mm. 

 longa, filamentis glabris crassiusculis teretibus 1 mm. longis, antheris oblongis 

 utriuque emarginatis 3 mm. longis. Carpella 3, styli 3 circ. 1 mm. longi 

 crassiusculi. 



HAB. Tandaisan, leg. U. MORI, Aprili. 1910. 



Near H. chinensis, but 

 differs from it by the quite 

 glabrous leaves, narrower 

 lobes of the calyx, and many 

 other points. 



Hydrangea integra 

 HAYATA (Fig. 17) Fl. Mont. 

 Formos. p. 90, t. 7; Ic. PI. 

 Formos. II. p. 5. Descrip- 

 tio auctata : Folia plantie 

 novelise dentata, sed adulta 

 integra. Alabastrum florum 

 globosimi 3 cm. in diametro 

 perulis circ. 10 involucratum, 

 perulis membranaceis serni- 

 hyalinis rotundatis breve 



Fig. 17. 



Hydrangea integra HAYATA. 1, a flower ; 2, a petal ; 

 3, 4, stamens ; 5, an ovary ; 0, the same in vertical 

 section ; 7, apical portion of a style. All figures are 

 magnified. 



