MATERIALS FOR A FLORA OF FORMOSA. 305 
Perianthium 6-partitum, segmentis 2-seriatis omnibus tomentoso- 
pubescentibus crassiusculis intus tomentosis margine scariosis 
exterioribus late ovatis 1mm. longis 14mm. latis rotundatis 
interioribus obovatis 14 mm. longis 1 mm. latis. Stamina 12, 
longe exserta, 6 segmentis perianthii opposita, 6 iis alterna, 
filamentis filiformibus 6 mm. longis glabris, antheris late rotundatis 
4mm. longis. Rudimenta carpellorum 6 obovoidea 2 mm. longa 
apice barbata segmentis perianthii opposita. FIL. ¢ : ignoti. 
Has. Nanto: Horisha, leg. T. Kawaxami et Y. Surmapa, Aug. 1907. 
I have examined all the species of the genus at Kew, but have 
not been able to find any thing like the present plant. There is a 
specimen labelled C. sativa in the Herbarium at Hongkong, which 
specimen is exactly the same as the Formosan plant, but quite 
different from the type of the named species. 
Salicineee. 
Salix LINN. 
Salix tetrasperma Roxs. var. Kusanoi Hayata n.v. Rami vali- 
diusculi fusco-rubescentes longitudinaliter rugosi non lenticellati, 
ramulis dense fusco-pubescentibus. Folia decidua alterna petiolata 
chartacea ovata vel ovato-oblonga 6-8 cm. longa 3-4 cm. lata apice 
breve cuspidato-acuminata, (acuminibus 3-10 mm. longis), basi 
rotundata brevissime minute cordata margine obscure crenulata 
vel serrulata vel subintegra supra glabra subtus tenuiter brevissime 
dense pubescentia, costis supra planis subtus prominentibus, 
venis primariis utrinque planis distinctis vel supra distincte 
subtus tenuiter prominentibus utrinque latere 20-25 a costa 
angulo 60° egressis leviter arcuatis prope marginem ascendentibus 
evanescentibus, venis secundariis utrinque pagine vix elevatis 
oblique transversis, venulis minute reticulatis distinctis, petiolis 
