Index to American botanical literature 363 



Purpus, J. A. Mamillaria chionocephala J. A. Purpus n. sp. Monats. 

 Kakteenk. 16 : 41-43. 15 Mr 1906. [Illust.] 



Quehl, L. Mamillaria lenta Brandeg. Monats. Kakteenk. 16 : 40-41. 

 15 Mr 1906. [Illust.] 



Reed, H. S. The parasitism of Neocosmospora. Science II. 23 : 751, 

 752. 11 My 1906. 



Rehm, H. Ascomycetes Americae borealis. III. Ann. Myc. 3 : 516- 

 520. 10 F 1906. 



Includes descriptions of 10 new species in 8 genera. 



Rehm, H. Ascomycetes exs. fasc. 36. Ann. Myc 4: 64-71. 5 Ap 

 1906. 



Includes several American species. 



Robinson, C. B. The Chareae of North America. Bull. N. Y. Bot. 

 Gard. 4 : 244-308. 13 Je 1906. 



Recognizes 50 species, all in the genus Chara ; of these, 16 are described as new. 



Rooney, B. M. The resting of Botrychium. Fern. Bull. 14: 4 2 ~44- 

 Ap 1906. 



Rosendahl, C. 0. Preliminary note on the embryogeny of Symplocarpus 

 foetidus Salisb. Science II. 23 : 590. 13 Ap 1906. 



Schaffner, J. H. Check list of Ohio trees. Ohio Nat. 6: 457-461. 

 15 F 1906. 



Schaffner, J. H. The classification of plants. III. Ohio Nat. 6: 



S^-S 16 - //• 3 2 - i4 Ap 1906. 

 Schaffner, J. H. The life cycle of a homosporous pteridophyte. Ohio 



Nat. 6: 483-488. /.i. 14 Mr 1906. 

 Schaffner, J. H. Sexual and non-sexual generations. Ohio Nat. 6 : 



473- 1 5 F 1 9° 6 - 



Schaffner, J. H. Terminology of organs in various conditions of de- 

 velopment. Ohio Nat. 6: 541-544. 5 Je 1906. 



Schaffner, J. H. Winter buds of Ohio trees and shrubs. Ohio Nat. 



6 : 5°5-5°7- 14 Ap 1906. 

 Schlechter, R. Orchidaceae novae et criticae. Decas II. Repert. Nov. 



Sp. 2 : 129-134. 14 Ap 1906. 



Includes descriptions of new species, from Guatemala, in Habenaria, Cranichis (Z), 

 Spiranthes (3), Physurus, Epidendrum, and Scaphy glottis. Decas I contained no 

 American species. 



Sheldon, J. L. Paraphyses in the genus Glomerella. Science II. 23 : 

 851, 852. 1 Je 1906. 



Shreve, F. A collecting trip at Cinchona. Torreya 6 : 81-84. 23 

 My 1906. 



