ON PLANTS FROM ANNAM. 147 



Aehenia radii oblonga compreasa dorso rotundata necnon pauci- 

 costata superne scabriuscula disci linearia. Pappus cyathiformis 

 dentatus incrassatus scabriuscule pubescens. 



Daban, 650 ft. 



Stems striate, with a dirty white cortex, 1.5-2 mm. thick. 

 Leaves mostly 3.5-4.5 cm. long, towards the base 8-12 mm. broad; 

 hispid petioles about 2 mm. long. Peduncles 3-15 mm. long Invo- 

 lucres 8x6 mm., the leaves 7 x 2-4 mm. Palece discoloured, 6.5 

 mm. in length. Ligides ovate-oblong, 6.5 mm. long. Corolla of 

 disc-florets 4 mm. long. Achenes of the ray 4-4.5 mm. long, (inclusive 

 of the nearly 1 mm, long pappus), and more than 1 mm. broad ; of 

 the disc 2.5 x .2 mm., the squamulose pappus being .35 mm. long. 



154. BlDENS TRIPARTITA L. 



Dalat 5,000 ft. 



Distrib. Europe, North Africa, North and East Asia, North 

 America. 



155. Tridax procumbens L. 



Tour Cham. 



Distrib. A South American introduction. 



156. Gynura annamensis S. Moore, sp. nov. 



Caulis ascendens tetragonus sparsim foliosus puberulus. 

 Folia radicalia-caulina parva oblongo-vel lineari-lanceolata obtusa 

 inferne petioliformi-extenuata margine undulata crassiuscula vix 

 omnino glabra. Capitula homogama fere 50-flosculosa nonnunquam 

 solitaria plerumque in corymbum laxum longipedunculatum 

 oligocephalum parvibracteatum digesta. Pedunculi proprii involucro 

 breviores pubescentes. Involucri anguste campanulati pubescentis 

 phylla 14 lineari-oblonga sursum attenuata apice acuta marginibus 

 scariosis additis circiter 10 multo brevioribus linearibus calyculum 

 constituentibus. Flosculi lutei breviter exserti. Styli rami breviter 

 extrusi. Aehenia (hucusque cruda) oblongo-turbinata glabra. Pappi 

 seta3 scabruisculre alba3. 



Dran, 3,000-4,000 ft. 



Leaves including the stalklike portion up to 6.5 x 1 cm., but 

 sometimes about 4 cm. x 5 mm. or even less, drying greyish, a few 



VOL. IV, NO. S, 1921. 



