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166 SERTULUM CHINENSE QUARTUM.
sepalis cequalibus oblongis acutis billiiealibus, corolla calycem duple
excedente, genitalibus inter se 'aaqualibus, coroUee medium at tingenti-
bus, stigraatis cruribus brevibus complanatis.—In planitiebus herbosis
MongoliBe citerioris, m. Sept. 1867, invenit Dr. S. W. Williams. (Ex-
sicc. n. 14690.)
A curious little plant, of whose precise affinities I am iinccrtain.
C. arveiisls, L. var. sag'MifoUus, Turcz. exhibits, though in a mucli
less degree, pellucid markings in the leaves ; but our species is at once
distinguishable by its dwarf size, exauriculate leaves, short peduncles,
acute sepals, and (so far as I could make out from examination of a
single flower) broad obtuse stigmas. The flowers seem pinkisli, but
as blue ConvolvuU dry of this colour, their hue when fresh is uucertain.
Dr. Williams seldom saw a specimen more than a foot long, and it is
frequently much smaller. The same gentleman found C. A77imanni,
Desr., and C. tragacanthoides, Turcz., near Kalgau or Chang-chia-kaii,
by the Great Wall.
6. Dracocephalum (Boguldea) rupestre, u. sp. ; caule adscendente
piloso, foliis radicalibus et caulinis petiolo iis asquilongo vel parum
breviore suft'ultis oblongis obtusis crenatis e basi cordata in petioluni
cuneatim attenuatis utrinque pilosis subtus pallidioribus, fioralibus ses-
silibus e basi cuneata ovatis serratis, verticillastris circ. 8-floris capi-
tuliformibus, bracteis cuneato-rhomboideis longe setaceo -serratis caly-
cibus paulo brevioribus, calycis deute supremo obovoideo reliquis
linearibus subtriplo latiore omnibus acutissimis, corolla ampla rubes-
cente calyce duplo longiore, antheris glabris.—In rupibus editis ditionis
Pekinensis invenit Kev. A. David, miss, apost. (Exsicc. n. 14881.)
This plant, which is probably the unnamed species mentioned in
Maximowicz's ' Index Florae Pekinensis,' is intermediate between D.
altaiense, Laxm. and D. grandijlorum, L. {chamcedryfolium, Pisch. et
Bth.)
7. Phytolacca Pekinensis, n. sp. ; foliis basi cuneatis oblongis v.
obovato-oblongis calloso-apiculatis granulis albidis punctatis 5-7 pol-
lices longis, racemis erectis pollicaribus ovoideo-subglobosis pedicellis
flore duplo longioribus, staminibus stylisque 8.—In ditione Pekinensi
reperit-Dr. S. W. Williaius, Augusto 186.5. (Exsicc. n. 12648.)
Possibly too close to the Japanese P. Kfjcmpferi, A. Gray ; which,
liowever, from a specimen in ray possession, seems to dift'er by its
oval leaves and linear-lanceolate racemes 2 1-6 inches in length. Dr.