82 BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



Bulletin. Page. 



Pear, prickly, and other cacti as food for stock, huUetin 71 1-18 



burners 74 19-20 



chopping 74 14 



cost of feeding- 74 41-43 



methods of feeding to stock 74 12-lfi 



handling 74 15-16 



plantations 74 38 



postulates of feeding cacti 74 43-46 



removal of edge of joints 74 14-15 



singeing the spines over a fire 74 12 



with a torch 74 13 



species of value for forage 74 37-38 



steaming - 74 13-14 



thickets, destruction .-- 74 36-37 



time required for new crop 74 40 



torches for burning cacti 74 19-20 



use as stock food, history 74 10-11 



jield as forage - 74 39 



trees, frozen, treatment 51 18-19 



Peas and beans in central Texas 13 60-64 



Canada field, in Nebraska 59 50 



field 31 25 



94 22-23 



in central Texas 13 61 



results of inoculation 71 70 



garden, effect of inoculation 100 79-80 



results of inoculation 71 62-65 



varieties 21 272-293 



sweet, results of inoculation - 71 69 



Pecan, budded trees, trans^ilanting 30 16-18 



budding, iuUetln 30 1-20 



difficulties 30 9 



importance 30 10 



methods 30 13-15 



buds, location 30 12-13 



of current season, experiments 30 13 



selection '■ 30 11-12 



starting into growth 30 15 



seedling stocks 30 10-11 



Pepper. See Peppers. 



Pepi^ergrass seeds, description 84 32 



Peppermint, paijer 90 • 19-29 



conditions injurious to crop 90 23-24 



countries where grown 90 20-21 



cultivation in United States 90 21-22 



methods 90 22-24 



description 90 19-20 



distillation of oil 90 24-26 



harvesting 90 24-25 



oil and menthol 90 26-27 



exports - 90 27-28 



prices 90 28-29 



still, description 90 25-26 



Peppers, American varieties, bulletin 6 1-19 



li.st 21 294-300 



Perfumery plants in Algeria 80 86-87 



Persian Gulf dates, bulletin 54 1-32 



region, agricultural conditions 27 27-30 



climate '. 54 9-11 



description 54 8-9 



soil conditions 54 13-14 



Philippine Islands, agricultural conditions 35 40-44 



cultivation of Manila hemp 46 23-26 



milch cattle and carabaos for 27 31-33 



opportunities for agricultural and botan- 

 ical research 27 15-19 



101 



