594 Index to Recent Literature 



Greene, E. L, New Species of Laciniaria. Pittonia, 4 : 315-318. 

 30 S. 1901. 



L. vittata, L. serotina, Z. Earlei, L. elegantula, L. nervata, L. scabra, and Z. 

 aspera, new species. 



Greene, E. L. New or noteworthy Species. — XXIX. Pittonia, 4:318- 

 320. 30 S. 1901. 



New species in Pentstemon , Erigeron, and Eriogonum (2). 



Greene, E. L. Some neglected Violets. Pittonia, 4 : 285-297. 30 



S. 1901. 



V. fulcrata, V. petrophila, V. compacta, V. Andersonii, V. oreocallis, V.Albertina f 

 V.fiiipes, V. cardminefona, V. retroscabra y V. ttnguiculata, V. desertorum, K belh- 

 difolia, V. Illinoensis, V. subviscosa, V. crenulata, V. Fletcheri, and V. nodosa, new 

 species. 



Greene, E. L. New Species of Cer ostium. Pittonia, 4: 297. 30 S. 

 1 90 1. 



C. oreophilum, C. effusum, C. scopulorum, C. occidental, C. angustatum ', C. cam- 



pestre, C. vestitnm, C. confertum, C. patulum, C. Sonnet, C. adsurgens, and C. fastigia- 

 tum, new species. 



Greene, E. L. Five new Species of Riwiex. Pittonia, 4: 3°4~3 o6 - 

 30 S. 1901. 



R. gracilipes, R. polyrrhizus, R. procerus, R. confinis, and R. fenestratus. 



Greene, E. L. Corrections in Nomenclature. — IV. Pittonia, 4 : 3°7- 

 30 S. 1901. 



Greene, E, L. Studies in the Cruciferae.— IV. Pittonia, 4 : 3° 7^3 x 5- 

 30 S. 1 901. 



New species in Lesqnerella (8), Thysanocarpus, Lepidium, Draba (3), and Thely- 

 podium (2). 



Grout, A. J. Mosses with a Hand-Lens. Pp. i-ix, i-73- Ne ' v 



York . 1 



900 



An introduction to the study of mosses. 



Hammerle, J. Ueber die Periodizitat des Wurzelwachstums bei Acer 

 Pseudoplatanus. Beitr. wiss. Bot. 4: 149-165. 1901. 



Harper, R. M. On a Collection of Plants made in Georgia in the Sum- 

 mer of 1900. Bull. Torr. Club, 28: 454-484. //. 29. 27 Au\ 

 1901. 



New species in Fuirena, Rhynchospora, Glottidium, Viola (by Pollard), Diceran- 

 dra, and Baldwinia. 



Hay, G, U. A Wilderness Journey in New Brunswick. Bull. Nat. 

 Hist. Soc. New Brunswick, 17: 153-169. 1899. 



