1924] 



PLANTS 227 



IV — Gerardianae . 



Seeds with a short deciduous wing. 

 V — Balfourianae. 



Seeds with a long effective wing. 



B— DIPLOXYLON. 

 c — Para pinaster 



VI— Leiophyll 



xyl 



Fascicle-sheath deciduous. 



VII — Longif oliae . 



Seed- wing of the Strobi. 

 VIII— Pineae. 



Seed-wing of the Gerardianae. 

 d — Pinaster. 



Fascicle-sheath persistent, seed-wing articulate. 

 IX — Lariciones. 



Seed- wing membranous throughout. 

 Cones opening at maturity. 

 Pits of the ray-cells large. 

 X — Australes. 



Seed-wing membranous throughout. 

 Cones opening at maturity. 

 Pits of the ray-cells small. 

 XI — Insignes. 



Seed-wing membranous or slightly thickened 

 Cones serotinous. 

 Pits of the ray-cells small. 

 XII — Macrocarpae. 



Seed-wing very thick at base. 



1921 



PINUS KREMPFII 

 ecomte in Bull. Mus 



The leaves of this new species from Annam contain single fibro-vascular 

 bundles and the fascicle-sheath is deciduous. Lecomte's species is, there- 

 fore, a Soft Pine (Haploxylon). The dorsal umbo of the cone-scales places 

 it in the subsection Paracembra while the long and effective seed- wing 

 associates it with the group Balfourianae. 



NOTES ON CHINESE LIGNEOUS PLANTS 



H. H. Hu 



While working on a manual called ' Synopsis of Chinese Genera of 

 Phaenogams with Descriptions of Representative Species ' I find it neces- 

 sary to make a number of new combinations of species to be mentioned 

 therein. In this Synopsis I am not following the International Rules of 



tanical 



publication 



Plantarum in 1753. As the Arnold Arboretum in its publications follows 

 the International Rules, only those combinations which are in accordance 



