HOKTICULTURB. 639 



the caaliflower head, although the shape of the head was changed and its 

 solidity greatly decreased in the hybrid forms. Direct and reciprocal crosses 

 of cauliflower with collards showed that the premature and abortive blooming 

 characteristic of cauliflower is not a dominant character, the headless type 

 dominating in both Fi and F2 generations. Plants from the cauliflower seed 

 plant seemed to be distinctly more hardy to cold than the reciprocal lot but 

 no other difference could be detected. Crosses made between kohl-rabi and 

 other types of cabbage retained the kohl-rabi type in the offspring, although 

 the development of the fleshy part of the stem was variable. In the crosses 

 between Brussels sprouts and various types of cabbage representing terminal 

 and axillary bud (head) growth, the result appears to be a mosaic. This is 

 presumed to be due to the fact that there is no actual pairing between terminal 

 and axillary heads or buds but that each is dominant to its absence. 



As a result of these investigations the author concludes that " the inheritance 

 in the first generation is preponderant if not completely dominant. The lack of 

 segregation in the F, hybrids indicates that the inheritance for these characters 

 in cabbage is not Mendelian but permanently preponderant or exclusive. The 

 mode of inheritance here should have an important bearing on breeding prac- 

 tice. Permanent hybrids need only be improved and perfected through pedigree 

 selection in order to establish new and valuable varieties." 



Cabbag-e and cauliflower in Montana, L. G. Schekmeehobn (Moiitana Sta. 

 Circ. 25, pp. I35-I47, figs. 6).—\ practical treatise on the culture of cabbage 

 and cauliflower, including also information relative to methods of storing. 



Celery culture in Montana, O. B. Whipple (Montana Sta. Circ. 26, pp. 1^9- 

 156). — This circular contains popular instructions for growing, harvesting, mar- 

 keting, and storing celery. 



The cultivation of American ginseng, W. Van Fleet (U. S. Dept. Agr., 

 Fanners' Bui. 551, p-p. 14, figs. 3). — A practical treatise on ginseng culture in 

 which are discussed the botany of the ginseug plant; method of starting the 

 plantation ; the culture of ginseng, including planting the beds, mulching, ven- 

 tilation, and protection; ginseng varieties; diseases of ginseng; forest plantings,' 

 and digging the root. 



Relative to the future of ginseng culture, the author concludes in part as fol- 

 lows : " Under the present conditions of production ginseng offers attractive pos- 

 sibilities to patient cultivators who are in sympathy with the limitations of 

 growth and the slow development of woodland plants in general and who are 

 willing to make a material outlay with only scanty returns in view for several 

 years to come, but it holds out little inducement for inexperienced growers look- 

 ing for quick profits from a small investment." 



[Horticultural statistics], G. Robertson (Rpt. Cal. Bd. Agr., 59 {1912), pp. 

 llJf-169). — This comprises a statistical account including historical notes rela- 

 tive to the orchard, small fruit, and nut industries of California, together with 

 some comparative data for other important fruit growing sections. 



Information for fruit growers with list of varieties for commercial and 

 home planting, R. M. Winslow (Brit. Cohimbia Dept. Agr. Bui. 51, 1913, pp. 

 55, pi. 1). — This bulletin contains practical suggestions relative to the culture 

 of orchard and small fruits, including lists of varieties adapted for various dis- 

 tricts in British Columbia. 



Fertilizer experiments with fruit trees, A. Magnien (Jour. Sac. Nat. Hort. 



France, 4. ser., I4 (1913), July, pp. 422, -'/23).— Experiments conducted for 6 



consecutive years with a large number of fruit trees lead the author to conclude 



that basic slag is especially suited as a supplementary manure for fruit trees 



18440°— 13 4 



