2 
262 PLANTAE CHINENSES FORRESTIANAE. 
tenues, reticulati, marginem revolutum versus incrassati ibique 
colore pallidiore conspicui. Racemi densiflori, ca. 3 cm. longi, 
1'2-1'5 cm. lati; flores intense rosei patuli vel subdecurvi ; 
bracteae scariosae fuscae acuminatae. 
“Plant of 6-9 inches. Flowers bright pink. Moist, rocky 
mountain meadows on the eastern flank of the Tali Range. 
Lat. 25° 40’ N. Alt. 12-13,000 ft. August 1906.” G. Forrest. 
No. 4559. 
Sect. Bistorta. Allied to P. affine, Don, of the Western 
Himalaya; recognised by the large broad leaves with buff 
tomentum beneath, the short, nearly leafless, scapes with brown 
scales. 
‘Rheum Forrestii, Diels. Sp. nov. 
Rhizoma robustissimum. Acaulis? Folia (non nisi manca 
visa) basalia ? coriacea, e basi subcordata suborbicularia breviter 
acuminata. Panicula scapum o°6—0°8 cm. longum striatum basi 
glabrum supra papillosum terminans, rami inleriores 5-6 cm. 
longi iterum ramosi, superiores abbreviati, demum erecti. Pedi- 
celli graciles filiformes. Perianthii segmenta alba, viridi-uninervia, 
longiora circ. 2 mm. longa, 1'2-1°4 mm. lata. Stamina 9-10, 
crassa, subconica, brevia, 0°6 mm. longa. Ovarium obovoideum, 
styli 3 decurvi subclavati. Perianthium fructiferum vix amplia- 
tum. Fructus ambitu subellipticus trialatus, basi alte cordatus, 
apice subretusus, corpus circ. 7-8 mm. longum, 5—6 mm. latum, 
granulatum ; alae fuscae, I-1°5 mm. latae. 
“Plant of 2-24 ft. Flowers white. Clefts and ledges of 
cliffs on the eastern flank of the Lichiang Range. Lat. 27° 12’ N. 
Alt. 9500-11,000 ft. July 1906.”’ G. Forrest. No. 2463. 
The material of this interesting addition to the genus is very 
incomplete. It seems to be related to R. tibeticum, Maxim., 
but further material is wanted for a better understanding of the 
species. 
RANUNCULACEAE. 
Clematis Delavayi, Franch., in Bull. Soc. Bot. Fr. xxxii 
(1885), 360. var. spinescens, Balf. f. ms. 
Frutex 0°6—1 m.altus, divaricati-ramosus, rigidus, rami demum 
subspinescentes. Foliorum minutorum petioli et rhachides saepe 
Loner Folia 1-2 cm. longa, 2-4-juga, foliola integra, 3-4 
m. longa, 1-2 mm. lata. Flores terminales plerumque solitarii, 
raro ternati; sepala o'6-1'2 cm. longa, viridescenti-albida. 
Cetera typi. 
“ Extremely arid situation on limestone formation in the valley 
