156 George Forrest: Gentianaceae novae Orienti-Tibeticae. 
cuneata v. subtruncata, apice subacuminata, 5—7 nervia subtus pallidior 
margine vix cartilaginea et suberosa. Rami florales volubiles ad axillas 
foliorum bini superpositi, ramo axillari inferiore unifloro, superiore laxe 
cymoso bracteis foliis conformibus. Flores magni pentameri pedunculis 
volubilibus. Calyx infra tubulosus, tubo non fisso 17 mm longo sub- 
membranaceo 5-alato brevissime coronato corona integra purpurascente, 
supra cupulato-explanatus foliaceus cupulo 8 mm longo lobisque 4 mm 
longis ovatis erectis acutis uninerviis reticulatis margine suberosis. Co- 
rolla coeruleo-purpurea striis magis intense coloratis notata 6 cm longa 
supra late campanulata infra obconico-tubulosa, tubo ex ore calycis bre- 
viter extenso intus staminum filamentis bialatis alligatis munito; lobis 
8 mm longis triangulari-deltoideis acutis margine integris, plicis rotun- 
datis crenulatis brevibus. Staminum filamenta 5 mm lata complanata 
inclusa. Discus 5-glandulosus. Ovarium longe stipitatum; stylus infra 
ramos brevis 5 mm longus, ramis 4 mm longis. Capsula exserta fusi- 
formia complanata marginata 3 cm longa, stipite longiore; semina dis- 
coidea late alata 2 mm diam. 
„Climber of 10—20 feet. Flowers bluish purple, markings a deeper 
shade. In bamboo brakes and on scrub at an elevation of 8—11000 feet. 
Ming-Kwong-Irrawaddi divide. Lat. 269 N. Upper Burmah, Oct. 1905. 
Also on Irrawaddi-Salwen divide above Pien-Ma.* G. Forrest. No. 839. 
Quite as showy as C. Trailliana, from which it is easily distinguished 
by its cordiform leaves on longer petioles, its smaller flowers with calyx 
never splitting and bearing foliaceous erect sepal lobes, its eapsule with 
very long stipe and short style. 
9. Pleurogyne Forresti Balf. fil., 1. c., p. 78, pl. XVIII. 
Annua radice tenui, ad 2,5 dm alta, omnino glabra, erecta, gracilis, 
caule obscure quadrangulari a basi vel e medio ramoso. Folia basalia 
sub anthesi nulla, caulinia elliptica v. sublanceolata v. linearia, vix petio- 
lata, obtusa, subcrassa, margine subcartilaginea. Rami omnes floriferi 
adscendentes multiflori inflorescentiam copiosam formantes. Flores coe- 
rulei, 5-meri; pedicelli floribus longiores. Calyx ad basin usque partitus, 
segmentis linearibus 7 mm longis. Corolla fere ad basin soluta segmentis 
ellipticis subacuminatis 12 mm longis; foveolae duae prope basin cujusque 
segmenti inconspicuae; squamulae irregulariter laciniatae 3 mm longae. 
Stamina ad basin corollae affixa, aequalia. Capsula oblonga v. subfusi- 
formis 8 mm longa cum stipite 1,5 mm longo. 
„Summit of pass between Yangtse and Wei Hsi, Yangtse-Mekong 
divide. Also other places. Elevation 9—11000 feet. Flowers blue. Yun- 
nan, Oct. 1904.^ G. Forrest. No. 25. 
„Dry open hillside, edge of pine-woods, Lang Kung and other valleys. 
_Alt., 7—9000 feet. Yunnan, 1904.“ G. Forrest. No. 211. 
10. Swertia (Euswertia) mekongensis Balf. fil. et G. Forrest, 1. c., p. 80, 
pl. XIX. 
Perennis sicco nigrescente rhizomate lignoso, caulibus turionum 
terminalium 2—3 dm alt. glabris crassis quadrangularibus infra kata- 
