240 F. Hock: PHanzengeographie. 



999. GriggS, R. F. Notes on interesting Ohio willows. (Ohio Naturalist, 

 4. 1903, p. 11—16.) (Vgl. Bot. 0., XCVII, S. 9.) 



999 a. Daniels, F. The Kent County Mich, upland plant societies. (Science, 

 II, 18, 1903, p. 696—699.) 



1000. Sargent, C. S. Crataegus in Northeastern Illinois. (Bot. G.. 35, 

 193, p. 377—404.) N. A. 



Ausser neuen Arten: C- peoriensis, pruinosa, coniuncta, dissona, punctata, 

 mollis, sera, corusca, egani, ferrissi, lucorum, praecoqua, tomentosa. Vgl. B. 988. 



1001. Gleason, H. A. A second Illinois Station for Phacelia Covillei 

 Watson. (Torreya, 3, 1903, p. 89—90.) 



1002. Schuette, J. H. The Hawthorns of Northeastern Wisconsin. (Pro- 

 ceedings of the Biol. Soc. of Washington, 16. 1903, p. 91—98.) 



1003. Fenneman. X. M. On the Lakes of Southeastern Wisconsin. (Wis- 

 consin Geological and Natural Historv Survey. Bulletin 50. VIII. Educational 

 Series No. 2, Madison Wis., 1902, XV -+- 178 p., 8°.) 



Enthält zahlreiche auch die Pflanzenwelt des Gebiets berücksichtigende 

 Abbildungen und nimmt auch sonst auf die Pflanzenwelt Rücksicht, wenn es 

 auch seiner ganzen Anlage nach mehr geologisch-geographisch ist. 



1003a. Clark. H. L. Notes on the flora of Eaton County (Michigan). 

 (Rep. Mich. Acad. Sei., 3, 1902, p. 51—52.) 



1004. Hone, D. S. Petalonema alatum in Minnesota. (Minnesota bot. stud. 

 3d. ser., I, 1903, p. 47—51.) 



1005. Wheeler, W. A. Oatalog of Minnesota Grasses. (Minnesota Bota- 

 nical Studies. Third Series., part. 1, 1903, p. 83— 107.) 



Enthält: Andropogon scoparius, f'urcat., Sorghastrum avenaceum, Syntherisma 



linearis, sanguinalis, Echinochloa crus-galli, walteri, Panicum capillare. cognatum, 



virgatum, agrostoides, depauperat-, linearifol., pcrlong., werneri, angustifol., dichotom-, 



boreale, implicat-, nuciphyll., leiberyii, scribnerian., aanthophys-, porterian-, Chaeto- 



chloa verticillata, glauca, viridis, italica, Cenchrus tribidoides, Zizania aqu-, Homalo- 



■cenchrus virgin., oryzoides, lenticularis. Phalaris arundinacea, Anthoxanthum odor., 



Savastana odorata, Aristida curtisii, basiramea, longiseta, purpurea, purpurascens, 



tuberculosa, Stupa macouni, viridida, avenacea, comata. spartea, Oryzopsis canad.. 



asperifolia, rnelanocarpa, Milium eff., Muhlenbergia sobolifera, mex., racemosa, silvat.. 



ambig-, tenuiflora, diffusa, Brachyelytrum erectum, Phleum prat., Alopecurus genic, 



fulv., prat.. Sporobolus asper, vaginaeflorus, neglect-, brevifol., cusjndat , eiuneidus, 



cryptand-, heterolepis, China arundinacea, latifolia. Agrostis alba, canina, perennans, 



Mentalis, Calamagrostis breviseta, langsdorfii, canad., macouniana, neglecta, inexpansa, 



hyperborea, cinnoides, Ammophila arenaria, Calamovilfa longifolia, Deschampsia 



caespitosa, Trisetum subspic, Avena striata, fatua, Arrhenaterum elatius, Danthonia 



spicata, Spartina cynosuroides, gracilis, Schedonnardus panniculat., Bouteloua hirsiita. 



oligostaehya, Afheropoyon curtipendidus, Beckmannia erucaeform., Bulbilis daetyloides. 



Phragmites phragmites, Eragrostis capillaris. frankü, pilosa, purshii, maior, pecti- 



nacea. refraeta, hypnoides, Eatonia obtusata. pennsylv., Koeleria crist., Melica 



diffusa, mutica, Korycarpus diandrus, Distichiis spicata, Dactylis glorn., Poa am/.. 



nemor., flava, prat., glauca, debilis, silv.. alsodes, wolfii, pseudopratensis, alpina, 



■compressa, Scolochloa festuc, Graphephorum mclicoideum, Panicularia canad., tor- 



reyana, nervata, amer-, fluitans, borealis, aeroides, Festuca oefoflora, rubra, ovina, 



elatior, shortii, nutans, Bromus inermis, ciliatus. purgam, kalmii, seealinus. race- 



mosus, Lolium temul., Agropyron richardsoni, canin.. tenerum, violaceum, oeeident., 



dasystaehyum, pseudorepens, repens, Hordeum nodos-, pusill., iubat-, Sitanion ely- 



