Ausländische Literatur. 



731 



1920. I — 3* Mattirolo, O., P. A. Saccardo. 2 — 3. — Chiovenda, E., Osser- 

 vazioni sulla nomenclatura di alcuni ontani nostrani 3 — 8. — ■ Fiori, Adr., 

 Addenda ad Floram Italicam. 8 — 11. — Chiovenda, E., L'Eragrostis Caro- 

 liniana (Spreng.) Scribner. 11 — 16. 



Bulletin of the Torrey Botanical Club. 



Bd. XLIII, 1916. I* Hooker, jr., H. D., Physiological observations on Dro- 

 sera rotundifolia. i — 27. — Trowbridge, C. C, Che thermometric movements 

 of tree branches at freezing temperatures. 29 — 56. — 2* Dixon, H. N., New 

 and rare African mosses, from Mitten's herbarium and other sources 63 — 81. 



— Griffiths, D., New species of Opuntia 83 — 92 — Pennell, F. W., Notes on 

 plants of the southern United States I. 93 — iii — 3* McAlHster, F., The 

 morphology of Thallocarpus Curtisii 117 — 126 — Weatherwax, P., Morpho- 

 logy of the flowers of Zea Mays 127 — 144 — Riddle, L. W., The Licheus of 

 Bermuda. 145 — 160 ■ — 4* Collins. F. S., and Howe, M. A., Notes on species 

 of Halymenia. 169 — 182. — Safford, W. E., Desmopsis, a new genus of Anona- 

 ceae. 183 — 193. — Bartholomew, E. T., Observations on the fern rust Hya- 

 lopsora Polypodii. 195 — 199. — 5* Benedict, R. C. The origin of new varieties 

 of Nephrolepis by orthogenetic saltation. I. Progressive variations. 207 — ^234. 



— Nichols, G. E., The Vegetation of Connecticut. V. Plant societies along rivers 

 and streams. 235 — -264. — Bicknell, E. P., The ferns and flowering plants of 

 Nantucket. XVII. 265 — 276. — 6* Berry, E. W., Contributions to the Mesozoic 

 flora of the Atlantic coastal piain. XI. Tennessee. 283 — 304. — Rowlee, W. W., 

 Plants from southern Patagouia coUected by Charles Washington Furlong. 

 305 — 321. — Williams. R. S., Peruvian mosses. 323 — 334. — 7* Rydberg, P. A., 

 Phytogeographical notes on the Rocky Mountain Region. VI. Distribution 

 of the subalpine plants. 343 — 364. — ■ Wuist, E. D., Branched prothallia in the 

 Polypodiaceae. 365 — li-i,. — Rock, J. F., A new species of Pritchardia. 385 

 — 387. — ■ Harper, R. M., Botanical work of Dr. E. W. Hilgard. 389 — 391. — 

 8* Church, M. B., The development of the embryo sac and embryo of Cooperia 

 Drummondii. 397 — 405. — Pennell, F. W., Notes on plants of the southern 

 United States. II. 407 — 421. — Mackenzie, K. K., Notes on Carex. X. 423 

 — 434. — - 9* Britton, N. L., Studies of West Indian plants. VIII. 441 — 469. 



— Smith, G. M., New or interesting algae from the lakes of Wisconsin. 471 

 — 483. — Harris, J. A., A quantitative study of the factors influencing the 

 weight of the bean seed. II. Correlation between number of pods per plant and 

 seed weight. 485 — -494. — 10* Sax, K., Fertilization in Fritillaria pudica. 505 

 — 522. — Griffiths, D., Additional species of Opuntia. 523 — 531. — Knudson, 

 L., Cambial activity in certain horticultural plants. 533 — 537. — n* Smith, 

 P. M., The development of the embryo and seedling of Dioscorea villosa. 545 



— 558. — Kunkel, L. O., Further studies of the orange rusts of Rubus in the 

 United States. 559 — 569. — Stewart, R. R., The flora of Ladak, Western Tibet. 

 I. Discu.ssion of the flora. 571 — 590. — 12* Mackenzie, K. K., Notes on Carex. 

 XI. 601 — 620. — Howe, M. A., A note on the structural dimorphism of sexual 

 and tetrasporic plants of Galaxaura obtusata. 621 — 624. — Stewart, R. R., 

 The flora of Ladak, Western Tibet. II. List of Ladak plants. 625 — 650. 



Bd. XLIV, 1917. I * Britton, N. L., Studies of West Indian plants. IX. 1—37. 



— Harper, R. M., A quantitative, Volumetrie and dynamic .study of the Vege- 

 tation of the Pinus Taeda belt of Virginia and the Carolinas. 39 — 57. — 2* 

 Rydberg, P. A., Notes on Rosaceae. XI. 65 — 84. — Butler, O., On the cause 

 of alternate bearing in the apple. 85 — 96. — Reed, E. L., Meadow Vegetation 

 in the montane region of northern Colorado. 97 — 109. — 3* Gates, R. R., A 

 revision of the genus Polygonatum in North America. 117 — 126. — Stevens, 

 N. E., Some factors influencing the prevalence of Endothia gyrosa. 127 — 144. 



— Mac Caughey, V., An annotated list of the forest trees of the Hawaiian Archi- 



