SPECIES ASIATICAE. 229 
described above, and is well distinguished by the congested 
corymbose inflorescence and the entirely different calyx. 
OF Silene (Melandryum) salweenensis, W. W. Sm. Sp. nov. 
Species affinis S. Monbeigit, W. W. Sm. a qua foliis majoribus 
obovatis, calyce aliter diviso, corollae lamina aliter secta differt ; 
a S. viscidula, Franch. et S. langkongensi, Franch. calycis forma 
et laminae lobis longe distat. 
Planta 40-60 cm. alta. Radix non visa. Caules ut videtur 
—4, primo ascendentes deinde erecti, ramosi vel subsimplices, 
bene foliosi, infra albido-pubescentes, supra plus minusve glandu- 
losi. Folia caulina breviter connata in petiolum latissimum vix 
discretum attenuata; lamina 2-4 cm. longa, I-2.2 cm. lata, 
obovata, apice rotundata vel obtusa acumine ipso breviter 
apiculata, basi late cuneata, margine asperato-ciliolata, mem- 
branacea, tactu papillis scabridula, ad costam prominulam infra 
sparsim pilosula, ceteroquin glabra vel subglabra ; folia superne 
in bracteas multo minores ovatas vel lanceolatas vel lineares 
dense glanduloso-pilosulas abeuntia. Inflorescentiae terminales 
cymosae 7—15-florae ; axes dense glandulosi ; pedicelli inferiores 
calycem aequantes vel paulo longiores glandulosi. Calyx 12-13 
mm. longus, medio circ. 3 mm. latus, anguste tubulosus sed vix 
clavato-tubulosus, basi umbilicatus et paulo angustatus, nervis 
10 viridibus in sicco vix purpurascentibus, ad partem octavam 
in lobos rotundatos vel obtuse deltoideos purpureo-tinctos 
divisus, extra sparsiuscule glandulosus. Petala calycem circ. 
5 mm. superantia, rosea, ungue glabro supra sensim dilatato in 
auriculas vix distinctas integras, deinde breviter contracto et 
in laminam ambitu suborbicularem circ. 3.5 mm. longam quadri- 
lobam transeunte, lobis lateralibus ad dentes reductis, medianis 
quadrato-oblongis integris, sinu ad mediam laminam pertinente : 
squamae faucis parvae vix 0.5 mm. superantes oblongae integrae. 
Stamina ad medium calycem attingentia filamentis glabris. 
Ovarium breviter oblongum uniloculare stylis tribus quadruplo 
longioribus praeditum, gynophoro aequilongum. Capsula ovato- 
oblonga, gynophoro vix longior sexdentata. 
ina :—-Mekong-Salween divide, Yunnan, in open situa- 
tions on the margins of scrub. Lat. 28° 12’ N. Alt. 6000-7000 
ft. Plant of 16-24 inches. Flowers rose-pink. Sept. 1917. 
G. Forrest. No: 14,764. 
; 5% Sisymbrium yunnanense, W. W. Sm. Sp. nov. 
e Species ex affinitate S. Loiselii, Linn. a quo foliis omnino 
diversis, seminibus biseriatis inter alia recedit. 
