MATERIALS FOR A FLORA OF FORMOSA. 101 
This differs from P. Malus in the serration and the shape of 
the leaves. 
Cotoneaster MEDiIK. 
Cotoneaster formosana Hayara sp. nov. Ramuli erecti rubro- 
fuscentes cinereo-pubescentes demum glabrati interdum spinosi. 
Folia 3-5 ad apicem ramulorum brevissimorum aggregata, breve 
petiolata oblongo-obovata, 23 mm. longa, 12 mm. lata, apice trun- 
cata emarginata, basi truncata, integerrima cano-pubescentia, 
supra demum glabrata, subtus pallidiora, pubescentia, petiolis 
4 mm. longis. Flores albi ?, 7 mm. in diametro corymbosi, (corymbis 
bracteatis), ada xillas foliorum superiorum, vel terminales. Calyces 
43mm. in diametro, lobis 5, triangularibus pilosiusculis, tubis 
intus pilosissimis. Petala 5, orbicularia 3-4 mm. longa, totiusque 
lata, apice emarginata, basi leviter contracta. Stamina oo. Carpella 
5, pilosissima, stylis glabris. 
Has. Taito: Tabari, leg. G. Naxanara, Juni. 1906, (No. 741). 
Cotoneaster Koizumii Hayara sp. nov. Rami cortice cineras- 
cente longitudinaliter rugoso obtecti, ramulis divaricatis apice 
Spinosis, dense pubescentibus, pilis mollissimis, cum ramulis 
brevissimis foliosis alternatim suffultis. Folia ad apicem ramu- 
lorum brevissimorum alternatim 2-3-fasciculata, (ramulis foliosis 
brevissimis 4 mm. longis) obovata, vel spathulato-obovata, 18 mm. 
longa, 11 mm. lata, apice rotundato-emarginata, brevissime apicu- 
lata, basi. cuneato-obtusa, integerrima, coriacea supra subnitida, 
subtus pallidiora, exsiccato utraque rubescentia, petiolis 3 mm. 
longis. Cymze ad apicem ramulorum brevissimorum lateralium 
terminales, sessiles, 24 cm. longs, 3 cm. late, glabrate. Drupz 
