658 Index to Recent Literature 



Miiller, K. Vorarbeitung zu einer Monographic der Gattung Scapania 

 Dum. Bull. Herb. Boissier, II. I : 593-614. 31 My. 1901. 



Includes several American species. 



Mussat, E. Sur 1' adoption d'une unite internationale pour les mensur- 

 ations micrometriques. Act. Congres Internat. Bot. Paris, 424-426. 

 1900. 



Pammel, L. H. The Thistles in Iowa. Proc. Iowa Acad. Sci. 8 : 



Pastures 



(1-26).//. 12-31 and /. 9-15* 1901. 



Includes Cnicus Iowensis and C. Xelsoni, new species. 



Pammel, L. H., Weems, J. B, and Lamson-Scribner, F. 



and meadows of Iowa. Bull. Iowa Agric. Exper. Sta. 56 : 385-621. 

 /. 1 j 8-2 jo. Mr. 1 90 1. 



Also published with Part I. as Bulletin of the Iowa Geological Survey. 



Parish, S. B. Errors in the reported Stations of some Southern 

 California Plants. Zoe, 5: 109-120. 26 F. 1901. 



Perredes, P. E. F. The Anatomy of the Bark of Robinia Pseud- 

 acacia. Pharmaceutical Journ. 1901 : — (1-11). //. 1-4- 3 ^ l1, 

 1901. 



Pilger, R. Beitrag zur Flora von Mattogrosso. Engler's Bot. Jahrb. 

 30: 127, 128. 12 Mr. 1901 ; 129-238. 2 Jl. 1901. [Map.] 



Contains new species and varieties in Panicum (3), Imperata, Andropogon (2), 

 Gymnopogon, Eragrostis, Scirpus \Stenopkyttui\ % Rhynchospora, Selena (3), r*)W m 

 caulon (2) (by Ruhland), Bilbergia (by Mez), IFabenaria (by Schlechter), Connarus, 

 Mimosa, Cassia, Bowdichia, Crotalariq, Stylosanthes, Desmodiwn, Centrosema, Croton, 

 Cienfuegosw % ttombax, Doliocarpus, Ouratea, Cochlospermum, Turneta, CalyptrantJns, 

 Microlicia, Rhynchanthera, Labatia, Styrax, Plumiera, Ipomoca (2), Jacquemontia, 

 Lippia, Salvia, Hyptis (5), Utricularia, Me mora, Tecoina, Acanthura (gen. nov. 

 by Lindau), Boneria, Cntropgon, Vemonia, EupatoHum, and Aspilia, from Brazil 



Plowright, C. B. Observations sur la biologie de certaines Uredinees. 



relatives a la valeur de certaines especes biologiques. Act. Congrt 



Internat. Bot. Paris, 132-134. 1900. 

 Power, F. B. The Chemistry of the Bark of Robinia Pseudacacia- 



Pharmaceutical Journ. 1901 : — (1-23). 17 and 24 An. 1901. 

 Radais, M. Sur la culture des Algues a l'etat de purete. Act. 



Congres Internat. Bot. Paris, 163-167. 1900. [Illust.] 

 Radlkofer, L. Ueber zwei Connaraceen. Bull. Herb. Boissier, II. 



I: 890, 891. 31 Au. 1901. 



Connarus haemorrhoeus and Rourea macrophylla, both South American. 



Rehder, A. Notes on Hybrids of Quercus ilicifolia. Rhodora, 3 

 1 3 7-140. pL 24. 20 My. 190 1. 



