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| 0283 |
Southern Tibet : vol.6 |
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this species is drawn, and here HEMSLEY has added: »This may prove to be speci-
fically the same as *A. flaccidus* Bge«.
Neither BUNGE nor HEMSLEY tell if the pappus is single or double (uniseriate
or biseriate). If specimens from Alatau (KARELIN and KIRILOFF) and from alpine
Turkestan (A. REGEL, 1879) are rightly named as *A. flaccidus* Bge — what I believe
they are —, this species has biseriate pappus, but the outer rays are usually few
and short, often difficult to discover. On the other hand the figure of *A. Boweri* in
Hook. Icon. shows only uniseriate pappus, and the plant, which I have seen at Kew,
looks on the whole so different from what I take as *A. flaccidus* Bunge, that I do
not think it possible that they are one and the same species.
Besides the difference with regard to the pappus the species of the *Alpigeni*
are said to be distinguished by the hairiness of the achenes, by the shape and hairiness
of the involucral bracts and by the size of the stem and its being monocephalous
or pluricephalous.
If we take the species with uniseriate pappus at first we have:
*A. alpinus* L., monocephalous; narrow-lanceolate involucral leaves, ± covered
with short, rather stiff hairs; achenes adpressed-pilose. Not found in Himalaya, but
in Pamir, Alatau etc.
*A. himalaicus* Clarke, monocephalous; invol. leaves broadly elliptic-lanceolate, ±
leafy and long, pubescent; achenes densely pilose. Himalaya.
*A. tricephalus* Clarke, usually tricephalous; invol. leaves narrow-lanceolate, pubes-
cent; achenes densely pilose. A taller plant than the others. Himalaya.
*A. Stracheyi* Hook. f., monocephalous; invol. leaves linear-oblong; foliage leaves
(which in all the other species are entire) coarsely serrate or laciniate; achenes
»pubescent or silky«. Himalaya.
*A. Boweri* Hemsley, usually monocephalous, but with many branches from
the same rhizome; invol. leaves linear-lanceolate, pilose-hairy; achenes sparingly hirsute
and with black points. Tibet.
None of these were in the main part of Hedin's collection, but in the small
collection from 1896—97, which was presented to Kew Herbarium, HEMSLEY and
PEARSON identified some specimens with *A. Boweri*, which we therefore have to
enumerate here:
**Aster Boweri** Hemsley, in Journ. Linn. Soc. vol. 30 (1895) 113; Icon. plant.,
pl. 2495; Hemsley and Pearson, in Peterm. Mitteil. Ergänzungsbd. 28 (1900) 374:
Hemsley, in Journ. Linn. Soc. 35 (1902) 181.
Northern *Tibet*, Sarik-kol, Kwen-lun, 3469 m., 5th Aug. 1896; Camp X,
5362 m., 23rd Aug. 1896.
*Geogr. area:* Tibet.
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