156 Floristik, Geographie, Systematik etc. 



Rydberg, P.A., Studies in the Rocky Mountain llora. XXX'II- 

 (Bull. Torr. Bot. Club. XXXIX. p. 301—328. 1912.) 



Contains the following new names: Sa/ix cordata X -S", monti" 



cola, S. glaiicops X •S'- moiiHcola, S. Sandbergii, Celtis rugosa, Urtica 



styigosissima, U viridis, Parietaria occidentalis, Eriogoniun biiiuibel- 



latum, E. idahoense, E. spathidifornie, E. depressum{E. ovalifolimii var. 



depressuin Blankinship), Chorizaiithe spathulata , Cheiiopodiuni pra^eri- 



cola, Atriplex biixifolia, A. tetvapteva (Öbioiie tetrapteva Benth.;, Ä. Gar- 



retti, Endolepis phyllostegia iObione phyllostegia Torr.)^ Eurotin siibspi- 



nosa, Dondia calceoliformis {Cheiiopodiwn calceolifonne Hook.;, Ania- 



ranthus pubescens {A. graecisans var. ptibescens LJiine & Bray), Livuiia 



utahensis, Cerastium thermale, Alsine Palweri, A. alpestris ^Stella ria 



alpestris Fries), A. strictiflora [Stellaria stricta Richards., not Alsine 



stricta Waiilenb,), A. subvestita (Stellaria subvestita Greene), Arenaria 



cephaloidea, A. litliophila A. siibcongesta var. lithophila Rydb.;, .-J/.s/- 



nopsis dawsonensis (Arenaria dawsonensis Britt.i, A. piisilla [Arenaria 



pusilla S. Wats.), A. laxißora [A. Fendleri var. diffusa Porter, not 



diffusa Ell.;, Ammodeiiia oblongifolia Honckeneya oblongifolia T. tt G. , 



Wahlbergella Drum^nondii iSilene Driininiondii Hook , W. striata 



{Lychnis striata Rydb.), W. Taylorae {Lychnis Taylorae Rob.;,, W. 



ntontana 'Lychnis montana S. Wats.), W. Kingii {Lychnis Kingii S. 



Wats.), W. attenuata \Lycluns attenuata Farr.), W. Parryi Lychnis 



Parryi S. Wats.,, Rannnculus rivularis, Thalictrwn colinnbia}iiini , 



Delphiniiim Leo)uirdi, D. coelestinum, D. xylorrhiswn, D. Helleri, 



D. viscidmn, Lepidiuni hirsuturn [L. intermedinm var. pubescens 



Greene, not L. pubescens Desv.). Physaria lanata {P. didymocarpa 



var. lanata A. Nels.), Radicida trachycarpa Nastiirtium trachycar- 



pum A. Gray), Cheirinia syrticola [Erysimum syrticolum Sheld.i, C. 



inconspicua (Erysimunt asperwn var. inconspicuum S. Wats.i, C. 



arida {Cheira)ithus aridus A. Nels.). C. aspera [Cheiranthiis asper 



Nutt.), C elata [Erysimum elatum Nutt.), C. asperrima \Cheiranthus 



asperrimus Greene), C. oblanceolata [Erysimum oblanceolatum'R.\<\h), 



C. Bakeri [CheirantJtus Bakeri Greene), C. argillosa [Cheiranthus 



argillosus Greene), C. nivalis [Cheiranthus nivalis Greene), C. radi- 



cata [Erysimum radicatian Rj^db.), C. Wheeleri [Erysimurn Wheeleri 



Rothr.), C. amoena [Cheiranthus nivalis var. amoenus Greene , C. 



Pallasii [Cheiranthus Pallasii Pursh). C. brachycarpa, Sophia lepto- 



stylis, Arabis MacDougalii, A brevisiliqua , Parrya platycarpa, Sme- 



lowskia lobata, Draba pectinata [D. glacialis var. pectinata S. Wats.). 



J. M. Greenman. 



Shreve, F., Establishment Behavior of the Palo Verde- 

 ,, Plant World XIV. p. 289-2%. Dec. 1911.) 



In this paper statistics are given of a desert leguminous tree, 

 the palo verde [Parkinsonia microphylla) with reference to its esta- 

 blishment in the desert region at Tucson, Arizona. By a count of 

 the annual rings, the figures indicate that there has been a fall in 

 the rate of establishment during the last 60 vears. Harshberger. 



Skärman, J. A. O., A n t e c k n i n g a r o m k ä r t v a x t f 1 o r a n i 

 nordligaste Värmland. '^Svensk Bot. Tidskr. VI. p. 67—91. 

 1912.) 



Verf. giebt ein Verzeichnis aller Gefässpflanzen, die von ihm 

 während Reisen im nördlichsten Wermland 1910 und 1911 auf- 



