11. A new Gentian and two new Swertias from the East 
imalaya. 
By W. W. Smirz. 
The three new species described below were obtained while 
on a tour in South-East Sikkim during July-August 1910, 
under the auspices of the Botanical Survey of India. Plates 
1 and 2 belong to this paper. Plate l represents Gentiana pluvi- 
arum and Swertia Burkiliana; plate 2 represents Swertia 
ramosa. 
GENTIANA PLUVIARUM, W. W. Smith. Inter Chondro- 
phyllas ex affinitate Gentiane squarrose, Ledeb 
Planta annua, 2—4 cm. alta, omnino glabra, caulibus 1—40, 
sepius 8—10, gracilibus subdecumbentibus. Folia radicalia 
4—6, rosulata, 5—6 mm. longa, 2—3 mm. lata, ovata, subacuta, 
sub anthesin marcescentia sre gramina celata), obscure 3- 
nervia ; folia caulina 3—5 paria, 1—}- 5 mm. longa, linearia, 
recurvata, apice apiculata, oar tn vaginat o-connata, interno- 
dis multum breviora. Flores so itarii, perrarius duo, terminales, 
tetrameri, albi. Calyx tubulosus, quatuor-dentatus ; ; tubus us- 
que ad 2 mm. longus, 1-5 mm. diametiens, teres ; dentes | m 
longi, _ lineares, recurvati foliis persimiles. Corolle abs 
3 mm. longus, 1 mm. diametiens; lobi breves, quadrati, integri ; 
plicarum lobuli lobis angustiores sed fere wxquilongi. Stamina 
vix ad fauces pertinent. Ovarium ovoideum breviter stipita- 
tum ; semina irropalani Ger elliptica, 
Sikkim :—In regione pluviosa orientali apud ovile Cham- 
nago et apud hospitium Changu haud procul a faucibus Cho-la 
dictis, circ. 12-13000 ped. alt., Smith, 3527, 3662, 3907. Typi 
in herbariis Horti Botanici Regalis Calcuttensis et Horti Bota- 
nici Regalis Kewensis conservati. 
SwErRT1A RamMosa, W. W. Smith. Inter rssianea tetra- 
meras ; a nescio quo modo Swertiam bimaculat 
et Tho oms., memoriam reducit; forsan ex affinitate Swertie 
dilatate, Clarke, melius posita est. 
Herba robusta, subdiffusa, ad 15 cm. alta, glabra, inter- 
dum ramosa. ramis subdecumbentibus fere ex radice sat crassa 
natis, interdum (rarius) singulo. Caules 1—4 subquadrangu- 
laris, sub nodis alati. Folia radicalia multa, 3—8 cm. longa, 
