376 INDEX TO AMERICAN BOTANICAL LITERATURE 
Meyer, R. Echinopsis albispinosa K. Sch. Monats. Kakteenk. 23: 
61-63. 15 Ap 1913. 
Murrill, W. A. Illustrations of fungi—XIV. Mycologia 5: 93-96. 
pl. 87. My 1913. 
Includes illustrations of six spécies of Venenarius 
Nichols, G.E. The vegetation of Connecticut. I. Phytogeographical 
aspects. Torreya 13: 89-112. f. 1-6. 6 My 1913. 
Norton, J. B. S. Jonathan fruit spot.. Phytopathology 3: 99, 100. 
Ap 1913. 
O’Gara, P. J. _ Studies on the water core: st apple. Phytopathology 3: 
121-128. f. r, 2. Ap 1913. 
Osterhout, G. E. Two new species of Carduus from Colorado. Muh- 
lenbergia 9: 54-56. 19 My 1913. 
Carduus modestus and C. acuatus Osterhout. 
Overton, J. B. Artificial parthenogenesis in Fucus. Science II. 37: 
841-844. 30 My 1913. 
Pickett, F. L. The bacelemei of the embryo-sac of Arisaema tri- 
phyllum. Bull. Torrey Club 40: 229-235. pl. 13, 14.. 20 My 1913. 
Piper, C. V. The wild prototype of the cowpea. U.S. Dept. Agr. 
Plant Ind. Circ. 124: 29-32. 3 My 1913. . 
Quehl, L. Mamillaria Thornberi Orc. Monats. Kakteenk. 23: 51, 52: 
15 Ap 1913. 
Rigg, G. B. Is salinity a factor in ae distribution of Nereocystis 
Leutkeana? Bull. Torrey Club 40: 237-242. f. r. My.1913- 
Rehm, H. Ascomycetes exs. Fasc. 52. Ann. Myc. 11: 166-171. 
30 A 
Plants distributed as Tympanis Fraxini, Phaleoderris Heliopsidis, Pezizella on- 
tariensis, Botryosphaeria Hamameéelidis, Pseudotthia Symphoricarpi and Uncinula 
were collected in North America 
eae H. Ascomycetes novi. Aas. Myc. 11: 149-155. 30 Ap 1913: 
cludes Naevia canadica, Ombrophila limosa, Pezicula Vecuates Diatrypa potella, 
and Mycosphaerella lageniformis, spp. nov. from 
Rorer, J. B. The use of the green muscardine in ‘he control of some 
sugar cane pests. Phytopathology 3: 88-92. pl. 7. Ap 1913- 
Schlechter, R.S, Burmannia Wercklei Schltr. nov. spec. aus Costa 
Rica. Repert. Sp. Nov. 12:35. 20 Mr 1913. 
Shear, C. L. Some observations on phytopathological problems in 
Europe and America. Phytopathology 3: 77-87. Ap 1913- 
Slosson, M. New ferns from tropical America—IlI. Ball Torrey 
Club 40: 183-185. pl. 3. 9 My 10913. 
Includes Dryopteris lurida (Jenman) Underwood & Maxon and D. leucochaete 
Slosson, spp. nov 
