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258 PLANTAE CHINENSES FORRESTIANAE. 
tipped pink. Moist, grassy situations on the eastern flank of the 
Lichiang Range. Lat. 27° 20’ N. Alt. w1o0—11,000 ft 
August 1906.” G. Forrest. No. 2670 pt. (Mixed with 
P. radicans, Hemsl.) 
“Plant of 2-4inches. Flowers white. Moist, open situations 
on mountain meadows on the eastern flank of the Lichiang 
Range. Lat. 27° 20’ N. Alt. ro-11,000 ft. September 1906.” 
G. Forrest. No. 2923. Much smaller specimens. 
Nearly allied to the Himalayan P. filicaule, Wall., but more 
branched ; leaves larger, subtruncate at the base, more glabrous ; 
stamens all fertile. In habit, it resembles Koenigta pilosa, Maxim. 
The two specimens are very different in size. 
Polygonum radicans, Hemsl. in Journ. Linn. Soc. xxvi, 347. 
Perianthii segmenta glandulosa. Stamina fertilia 3, stamin- 
odia 5, omnia caerulescentia. 
“Plant of 2-5 inches. Flowers pale rose. On moist, moss- 
covered ledges of cliffs and boulders in side valleys on the eastern 
flank of the Tali Range. Lat. 25° 40’ N. Alt. 8 10,000 
ft. August 1906.” G. Forrest. No. 4569. 
The type is from summit of Mount Omi, Szechuan. 
This is very near to P. cyanandrum, Diels, and P. fiicaule, 
Wall., also to Koenigia fertiis, Maxim., but differs by the 
strigillose leaves, the number of stamens and staminodes. 
Polygonum delicatulum, Meissn. in DC. Prodr. xiv (1857), 127. 
Specimina nostra androecio trimero atque fructibus perianthio 
vix longioribus praedita. 
“Plant of 3-6 inches. Flowers pale pink. Moist, rocky, or 
shady situations. Western slopes of the Tsan Shan Range. 
Lat. 28° 40’N. Alt. g-11,000 ft. September 1905.’’ G. Forrest. 
No. goo. 
“ Plant of 1-4 inches. Flowers pinkish-white. Stony pasture 
on the eastern flank of the Tali Range. Lat. 25° 40’ N. Alt. 
8-gooo ft. July-August 1906.”’ G. Forrest. No. 4568. 
Polygonum Forrestii, Diels. Sp. nov. 
Rhizoma sympodiale, longe reptans, hypophyllis amplis scari- 
Osis purpureo-fuscis dense obtectum, apice folia sparsa longius 
petiolata atque caulem floriferum emittens. Caulis parce foliatus 
plerumque ramo I-2 emisso recto quasi bifurcatus, 5-25 cm. 
longus, plus minusve villosus. Folia basalia petiolo 3-5 cm. 
longo praedita, suborbicularia vel elliptico-reniformia, obtusa, 
hinc inde pilosa, margine nonnunquam undulato densius ciliato, 
subtus saepe purptrascentia, 1-3 cm. longa, 1:2-3°5 cm. lata, 
