Index to recent Literature 



647 



Porter, T. C. Flora of the Pocono Plateau. Rhodora, i : 182-185. 



O. 1899. 

 Rand, E. L. Pinus Banksiana on Mt. Desert Island. Rhodora^ i : 



Rand, E. L. Sulmlaria aquatica on Mt. Desert Island. Rhodora^ 1 : 

 155, 156. Au. 1899. 



Rydberg, P. A. Delphinium Carolinianum and related Species. Bull. 

 Torr. Bot. Club, 26: 582-587. 15 N. 1899. 



D. geraniifoliumy D. albescens, D. maeroseraiilis^ and D, Wootouiy new species. 



+ 



■Rydberg, P. A- New Species from the Western United States. 

 Bull. Torr. Bot. Club, 26: 541-546. 16 O. 1899. 



New species \n Juncus, Allium, Astragalus , Potenlilla, Ilorkelia, Mertensia^ Sym- 

 phoricarposy Erigeron, and Anteunaria, 



Robinson, B. L. Preliminary Lists of New England Plants, IV. 

 Rhodora, i : 212-214. N. 1899. 



Includes Cistaceae, Elatinaceae, Hypericaceae, Anacardiaceae, Sapindaceae, and 

 Polygalaceae. 



Rose, J. N. Notes on useful Plants of Mexico. Contr, U. S. Nat. 

 Herb. 5: 209-259. //. 28-64. f. 31, 32, 3^ O- 1899. 



Rose, J. N. Studies of Mexican and Central American Plants. — No. 

 2. Contr. U. S. Nat. Herb. 5: 145-200. //, 18-23. / 730, 31 

 O. 1899. 



Rearrangement of Agaveae. Synopsis of Nissolia. Notes on Rutaceae, Turneraceae, 

 Clitoriay Malvaceae, Bonibaceae, Fassijlora, Waltheria^ Thalictrujn, Cedrela and Le- 

 guminosae, with niuncruus new species. 



Rose, J. N. Three new Species of Tradescautia from the United 

 States. Contr. U. S. Nat. Herb. 5: 204-206. 31 O. 1899. 



T, huniUis^ 7\ gfgantea^ and T, scopuloriim. 



Rose, J. N. Treleasea, a new Genus of Commelinaceae. Contr. U. 

 S. Nat. Herb. 5: 207, 208. 31 O. 1899. 



Based on Tradescautia brevi/olia, T. leiandray and T, tumida. 



Russell, W. S. C. Some Orchids of the upper Pemigewasset Valley. 



L 



Rhodora, i : 199, 200. N. 1899. 



Salmon, E. S. Bryum argentum L. var. lanatum (P. Beauv.) B. & 

 S. Rev. Bryol. 26: 41, 42. 1899. 



Senn, G. Ueber einige coloniebildende einzellige Algen. Bot. Zeit. 



57': 39 



104.//. 7, 2, figs, i-3g^ I Je. 1899. 



Shear, C. L. Our Puff balls.— I. Asa Gray Bull. 6 : 93-97. pl^ 2. 

 D. 1898. 



