108 Floristik und Systematik der Phanerogamen. 



Campanula elaiines et Primida Cottia Widmer. D'autres especes 

 s'^tendent de part et d'autre de la chaine; ce sont surtout des 

 endemiques dauphinoises comme Delphinium montoniim, Brassica 

 Richeri, Berardia siibacaulis, Primiila marginata, Fritillaria 

 delplünensis. 



La distribution de chaque espfece est etudiee avec soin et un 

 grand nombre de stations nouvelles sont citees. Quelques hybrides 

 nouveaux sont decrits et figures: Primiila Bonatii = P. marginata 

 X farinosa, Artemisia Alberti = A. Miitellina X Absinthiiim, Leu- 

 canthemam Monneti = L. alpiniim X coronopifoliiun. J. Offner. 



Rydberg, P. A., Studies on the Rocky Mountain Flora. XVI. 

 (Bulletin of the Torrey Botanical Club. XXXIII. p. 137—161. 

 March 1906.) 



Contains the foUowing new names, attributable to the author 

 unless otherwise noted : Salix Watsonii (S. cordata Watsonü 

 Bebb.), Chenopodium oblongifoliiim (C. leptophylliim oblongifolinm 

 Wats.), Atriplex subspicata (C. siibspicatum Nutt.), Riimex praecox, 

 Paronychia brevicuspis (P. sessiliflora hrevicuspis Nels.), Limnia 

 asarifoUa (Claytonia asarifolia Bong), L. arenicola (C. arenicola 

 Henderson), L. depressa (C. parviflora deprcssa Gray), L. parvi- 

 flora (C. parviflora Dougl.), Crunocallis n. gen., C. chamissonis 

 (Claytonia Chamissoi Ledeb.), Naiocrene, N. parvifolia (Clay- 

 tonia parvifolia Moc), Erocallis , n. gen., E. triphylla (Claytonia 

 triphylla Wats.), Alsinopsis propinqiia (Arenaria propinqua Richard- 

 son), A. Rossii (Aren. Rossii Rieh.), A. quadrivalvis (Aren, quadri- 

 valvis ß. Br.), A. obtusiloba (Aren, obtiisa Torr.), Delphinium reti- 

 culatnm (D. occidentale reticulatnm Nels.), Odosfemon Aquifolium 

 (Berberis Aquifolium Pursh), 0. Nutkanus (Malwnia Aquifolium 

 Niitkana DC), 0. nervosus (B. nervosa Pursh), 0. Fremontii (B. 

 fremontii Torr.), Lepidium crenatum (Thelypodium crenatum Greene), 

 Erysimum asperrimum (Cheiranthus asperrimus Greene), E. Bakeri 

 (C. aridiis Greene), E. argillosum (C. argillosus Greene), E. amoe- 

 num (C. nivalis amoenus Greene), Lesquerella stenophylla (Vesi- 

 caria stenophylla Gray), Euklisia crassifolia (Atreplanthus crassi- 

 folius Greene). E. cordata (S. cordatus Nutt), E. longirostris (Arahis 

 longirostris Wats.), Peritoma sonorae (Cleome Sonorae Gray), Poten- 

 tilia platyloba (P. bipinnatifida platyloba Rydb.), P. rnbipes (P. ru- 

 bricaulis Rydb.), Argentina argentea (A. anserina concolor Rydb.), 

 Fragaria ovalis (Potentilla ovalis Lehm.), Fallugia acuminata (F. 

 paradoxa acuminata Wats.), Prunus melanocarpa (Cerasus demissa 

 melanocarpa Nels.), Anisolotus Wrightii (Hosackia Wrightii), A. 

 brachycarpus (H. brachycarpa Benth.), A. rigid us (H. rigid aBenth.), 

 Aragallus Hallii (Oxytropis Hallii Bunge), \icia dissitifolia (La- 

 thyrus dissitifolius Nutt.), Lathyrus incanus (L. ornatus incanus 

 Rydb. and Smith), Chamaesyce flabelliformis (Euphorbia petaloidea 

 flagelliformis Engelm.), C. rugulosa (E. serpyllifolia rugulosa Engelm.), 

 C albicaulis (E. albicaulis Rydh.), Tithymalus Arkansanus Colera- 

 densis (E. Arkansana coloradensis Norton), Sida sagittaefolia (S. 

 lepidota sagittaefolia Gray), Sphaeralcea marginata York, Cactus si- 

 milis (Mamillaria similis Engelm.), Echinocereus aggregatus (Mamil- 

 laria aggregata Engelm.), E. Roemeri (Cereus f^oemeri Muhlenf.), 

 Epilobium adenocladon (E. paniculatum adenocladon Hausskn.), 

 Anogra latifolia (Oenothera pallida laiifolia Rydb.), Pachylophus 

 marginatus (0. marginata Nutt.), Sphaerostigma pubens (0. strigu- 



