ABSTRACT

Bar. — V.I. Baranov Chaff. — J. Chaffanjon Ching — R.C. Ching Chu — C.N. Chu Czet. — S.S. Czetyrkin Divn. — D.A. Divnogorskaya Fedtsch. — B.A. Fedtschenko Fet. — A.M. Fetisov Glag. — S.A. Glagolev Golubk. — N.S. Golubkova Gr.-Grzh — G.E. Grum-Grzhimailo Grombch. — B.L. Grombchevski Grub. — V.I. Grubov Gub. — I.A. Gubanov Gus. — V.A. Gusev Ik.-Gal. — N.P. Ikonnikov-Galitzkij Isach. — E.A. Isachenko (also known as E.A. Volkova) Ivan. — A.F. Ivanov Kal. — A.V. Kalinina Kam. — R.V. Kamelin Karam. — Z.V. Karamysheva Klem. — E.N. Klements Krasch. — I.M. Krascheninnikov Krasn. — A.N. Krasnov Kuan — K.C. Kuan Lad. — V.F. Ladygin Ladyzh. — M. V. Ladyzhensky (Ladyzhinsky elsewhere) Lavr. — E.M. Lavrenko Lipsk. — V.I. Lipsky Lis. — V.I. Lisovsky Litw. — D.N. Litwinow

Lom. — A.M. Lomonossov Merzb. — G. Merzbacher Mois. — V.S. Moiseenko Nikul. — R.I. Nikulina Pal. — I.V. Palibin Petr. — M.P. Petrov Pob. — E.G. Pobedimova Pop. — M.G. Popov Pot. — G.N. Potanin Przew. — N.M. Przewalsky Rachk. — E.I. Rachkovskaya Reg. A. — A. Regel Rob. — V.L Roborowsky Saposhn. — V.V. Saposhnikov Schischk. — B.K. Schischkin Serp. — V.M. Serpukhov Sold. — V.V. Soldatov Sumer. — I.Yu. Sumerina Tug. — A.Ya. Tugarinov Ulzij. — N. Ulzijkhutag Vinogr. — V.M. Vinogradova Volk. — E.A. Volkova (also known as E.A. Isachenko) Wang — K.S. Wang Yun. — A.A. Yunatov Zam. — B.M. Zamatkinov

A — Arnold Arboretum of Harvard University, Cambridge, USA

AA — Herbarium of the Botanical Institute of the Academy of Sciences of Kazakhstan, Alma-Ata

B — Botanisches Museum, Berlin-Dahlem 6 BM — British Museum of Natural History, London

BP — Botanical Department of the Hungarian History Museum, Budapest

BRNU — Institute of Plant Biology and Herbarium, University, Brno

C — Botanical Museum and Herbarium, Copenhagen G — Conservatoire et Jardin botaniques, Geneve (Geneva) GB — Herbarium Goteborg University, Goteborg, Sweden

HIMC — Herbarium, Department of Biology, University of Inner Mongolia, Huhhot [Khuk-khoto(NMU)]

K — The Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, London

LE — V.L. Komarov Botanical institute, Saint Petersburg (formerly Leningrad), Russia

LINN — Herbarium, The Linnean Society of London, London LZDI — Herbarium, Institute of Desert Research, Academia

Sinica, Gansu, Lanzhou MW — Herbarium of the Moscow State University, Moscow NMU — Khuk-khoto (Acronym not listed in Index Herbariorum) NWBI — Herbarium, North-Western Plateau Institute of Biology,

Academia Sinica, Shaanxi, Wugung P — Museum National d'Histoire Naturelle, Laboratoire de

Phanerogamie, Paris TAK — Tashkent (Acronym not listed in Index Herbariorum). PE — Herbarium, Institute of Botany, Academia Sinica, Beijing TI — Botanical Institute, University of Tokyo, Tokyo TK — Krylov Herbarium of the State University, Tomsk UBA — Herbarium, Institute of Botany, Mongolian Academy of

Sciences, Ulan-Bator US — United States National Herbarium, Department of Botany,

Smithsonian Institute, Washington W — Naturhistorisches Museum, Botanische Abteilung, Wien

(Vienna)

1. Small cushion forming prickly shrubs with dense spines formed of lignified rachis (subgenus VI. Traganthoxytropis Vass.)......2.