203 
Nan, by edge of stream in evergreen jungle, ae m., Kerr 2398. 
Distr, Upper Burma: Myitkyna, Lace 516 
Lao name, Cha hawm (ex oe "r). 
Hemigraphis ene Craib | Acanthaceae-Ruellieae]; facie H. 
hirtae, IT. And., similis sed ramulorum pilis rigidioribus, foliis 
majoribus longius sfpatab olatis pagina superiore pilis paucioribus 
aequabilibus instructis distinguenda. 
Ramuli nodis inferioribus radicantes, pilis albidis rigidis divari- 
catis hispiduli; innovationes pilis niveis dense tectae. Folia 
opposita plus minusve inaequalia, ovato-lanceolata, ovata vel 
subrotundata, apice oe basi cuneata, late cuneata vel 
rotundata a 2°56 em. longa, 1°8-3°3 cm, lata, rigide chartacea, 
vagina utraque ilis albidis jeagteal rigidis parce instructa, 
nervis Lataeelibee utringue 6 pagina utraque prominulis, nervis 
transversis infra conspicuis, margine crenata vel crenato-serrata, 
nunquam serrata, petiolo ad 2 cm. longo hispidulo suffulta, Sepala 
5, lineari-lanceolata, acuta, 5 mm. longa, 0°75 mm. lata, superne 
pilis albidis rigidis longiusculis divaricatis instructa, inferne ciliata. 
Corollae tubus 9 mm. longus, 2 mm. e basi fe gee 3 lobi 5, inter se 
subaequales, oblongi, apice rotundati, ad 2°5 mm. longi et 2 mm. 
lati. Filamenta —- longiora circiter 2 mm. longa, minora duplo 
superantia. Ovari 15 mm. .altum, superne puberulum, 
8-ovulatum ; sophia apices incrassatus, 7°5 mm, longus, puberulus. 
Between ‘Prd and Nan, Hui Mé Sakawn, in evergreen jungle, 
covering the ground in places, 420 m., Kerr 2383; N an, common in 
mixed jungle, 195 m., Kerr 2383a. 
Aristolochia siamensis, Cratb [Aristolochiaceae] ; foliis tenuibus 
- late cordatis distincta. 
Caules scandentes, ad 4 mm. diametro, pallide brunnei, pluri- 
sulcati. Folia late cordata, apice acuta, sinu basali ad 3 cm. alto et 
2°7 cm. lato, circiter 16 cm. longa-et lata, chartacea, pagina 
superiore glabra, inferiore costa nervisque brevissime adpresse 
pubescentia practereaque hic illic setulis albis Sparsissime instructa, 
e basi tri 
—s. 
1 em. latus. Corona 6-lobata. 
Mé Ping Rapids, Fa Man, 180 m., Kerr 2195. 
Phoebe Kerrii, Gamble [Lauraceae-Cinnamomeae] ; P. declinatae, 
Nees, affinis, ramulis et foliis siccis et paniculis pallidis glabris, 
floribus majoribus, foliis summo apice obtusioribus differt. 
