1592 



OPENING UP LAND FOR CULTIVATION 



Achillea lepiophylla. 

 Artemisia incana. 



■Artemisia pauci flora. 

 Asperula Immifusa. 

 Astragalus albicaulis. 

 (Astragalus physodes). 

 [Astragalus tcsticulatus et 



A. dolichophyllus). 

 Cachrys odontalgica (C) . 

 Diantfms rigidus. 

 D. pallidiflorus. 

 Eriosynaphe longifoUa. 

 Terula caspica C. 

 Kocbia prostrata C. 

 Staiice incana C. 

 Statice sareptana et St. 



tomentella VI, C. 

 Veronica orientalis. 



V. Plants with tap-roots. 



Arcnaria gramini folia. 

 A. longifoUa C. 

 Astragalus subulatus. 

 Astragalus utriger. 

 Dianthus leptopetalus C. 

 Eryngium campcstre C. 

 Euphorbia Gerardiana, VI, C. 

 Helichrysum arenarium . 

 Herniaria incana. 

 Linum austriacum. 

 Marrubium praecox. 

 Potentilla astracanica. 

 Statice tatarica C. 

 Thesium ramosum. 

 Veronica spicata III. 



Asperula glauca (III?) 

 Astragalus aspcr. 

 Centaurea luthenica 

 Cranibe aspcra. 

 Dianthus capitatus C. 

 Gypsophila paniculata C. 

 Medicago falcata C. 

 Medicago versicolor. 

 Phlomis pungens C. 

 Salvia memorosa. ( = S. 



silvcstris) . 

 Silene wolgensis. 

 Sisymbrium junceum C. 

 (Taraxacum serotinum). 

 Thymus Marschallianus C. 

 Verbascum phoeniccum C. 

 Veronica austriaca. 



VI. Plants which propagate themselves by secondary roots. 



(Convolvulus lineatus). 



Jurinea linearifolia C. 



Artemisia austriaca C. 

 Euphorbia leptocaula C. 

 ( Lepidium Dra ba) . 



VII. Bulbous and tuberous plants. 



Allium moschatum. 

 ( Colchicum luteum) . 



Tulipa Scbrenkii C. 



Allium flavum C. 

 (Gagea bulbifera). 

 Ornithogalum brachystachys C. 



Tulipa Biebersteiniana II. 

 (Allium paniculatum) C. 

 Ornithogalum tcnuifolium. 

 (Gagea pusilla?). 



B. — SECONDARY SPECIES. 

 VIII. Biennuals. 



Trima Hoffmanni and its his- 

 pida variety. 



Erysimum versicolor. 

 Erysimum canescens 

 Onosma tinctorum 

 Salvia Aethiopis C. 

 Serratula (xeranthemoides) C. 



Carduus uncinatus C. 

 ( Cardu us hamulosus) . 

 (Falcaria Riirini) C. 

 Silene viscosa. 

 Verbascum orientate. 



IX. Winter-spring, annu.als. 

 a) Early: 

 Ceratocephalus orthoceras et Veronica arvensis et V. vcrna. (Draba vcrna ?) C. 



C. falcatus. 

 Androsace tnaxima. 

 Agropyrum prostratum et A. 

 orientate. 



Androsace clongata C. 

 Holosteum umbellatu m. 

 Alyssum zainitnutn C. 



(TMaspi pcrfoliaium ?) 

 Lamium amplexicaulc. 



(Chorispora tenella). 

 (Colpodium humile TV) 



b) Late: 



Bromus tectorum. 



Bromus squarrosus C. 



Poa bulbosa vivipara IV. 



Arenaria serpyllifolia C. 



