INDEX TO AMERICAN BOTANICAL LITERATURE 557 
Nash, G. V. The funkias or day-lilies. Jour. Hort. Soc. New York 1: 
164-57 1;--O-1614, 
Nieuwland, J. A. Some Linnaean trivial names. Am. Mid. Nat. 2: 
O7-122.  -¥5 5 1081; 
Olive, E. W. Origin of heteroecism in the rusts. Phytopathology 1: 
139-149. O19g11. 
Olsson-Seffer, P. Rubber and coffee in the Orient and Mexico. Am. 
Rev. Trop. Agric. 1: 227-240. S 1910. 
{Orcutt, C. R.] Flowerless plants of the United States. West Am. 
Sci. 18: 9-40. S 1911. 
Parmentier, P. Recherches anatomiques et taxonomiques sur les 
Juglandacées. Rev. Gén. Bot. 23: 341-364. pl. 8-11+f. 1. 15 Au 
IOI. 
Pax, F. Euphorbiaceae-Adrianeae. Pflanzenreich 4": 1-111. f. 1-35. 
4 O 1910. 
Pax, F. Euphorbiaceae-Jatropheae. Pflanzenreich 4’: 1-148. f. I-45. 
3 My 1910. 
Plummer, F. G. Chaparral. U. S. Forest Serv. Bull. 85: 1-48. pl. 
i-7+f. 1-7. 17 Jl 1911. 
Pretz, H. W. Flora of Lehigh County, Pennsylvania—I. Bull. 
Torrey Club 38: 45-78. 7 Mr 1911. [Illust.] 
Pritchard, F. J. The wintering of Puccinia graminis tritici E. & H. 
and the infection of wheat thru the seed. Phytopathology 1: 
150-154. pl. 22+f.1,2. O191!. 
Quehl, L. Bemerkungen iiber einige Arten von Mamillarien aus der 
Untergattung Coryphantha Engelm., Reihe Aulacothelae Lem. 
Monats. Kakteenk. 21: 138-139. 15S 1911. 
Quehl, L. Kleine Mitteilungen und Fingerzeige. Monats. Kakteenk. 
St: 344, 28 5 1911. 
Notes on Echinocactus Fobeanus Mieckley and E. Pepinianus Lem. 
Reed, H. S. ' The effect of the club root disease upon the ash constit- 
uents of the cabbage root. Phytopathology 1: 159-163. O 1911. 
(Ridley, H. N.] Castilloa in Mexico. Agric. Bull. Straits and Fed. 
Malay States 10: 212, 213. Jl 1911. 
(Ridley, H. N.] Cryptostegza grandiflora in Mexico. Agric. Bull. 
Straits and Fed. Malay States 10: 208, 209. Jl 1911. 
Robinson, C. B. Urticaceae from the Sarawak Museum. Philip. 
Jour. Sci. 6: (Bot.) 291-298. S 1911. 
