12 BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



Xo. 3. Macaroni AMieats. By Mark Alfred Carleton, Cerealist, 



Vegetable Pathological and Physiological InA^estigations. 



1901. 62 pp., 11 pis., 2 figs. Price, 20 cents. 



Contents : Introchiction — Characteristics of macaroni wheats — Distribution 

 of macaroni wheats — Adaptability of durum wheats to our semiarid districts i 

 Climatic comparisons ; comparison of soils ; experimental proof : testimony 

 of ]>rivate parties ; testimony of experiment stations — The market for maca- 

 roni wheat : Foreign demand ; quality of grain demanded ; possibilit}' of a 

 home demand ; kinds of wheat now used by our factories ; comparison of 

 foreign and domestic macaroni ; preparation of semolina ; bread from maca- 

 roni ■wheats — Cultivation of macaroni wheats : Preparation of the soil ; 

 methods of seeding-; care in harvesting — Effects of local variations in soil and 

 climate — Varieties : Gharnovka ; Arnautka ; Kubanka ; Pererodka ; Belo- 

 turka ; Velvet Don ; Black Don ; Sarui-bugda ; Medeah ; Pellissier ; Candeal ; 

 Nicaragua : Wild Goose ; Missogen ; Polish ; winter varieties — Experimental 

 comparison of varieties — Eusso-Mediterranean traffic in macaroni wheat — 

 Summary. 



t No. 4. Range Improvement in Arizona. (Cooperative Experi- 

 ments with the Arizona Experiment Station.) By 

 David Griffiths. Expert in Charge of Field Management, 

 Grass and Forage Plant Investigations. 1901. 31 pp., 

 6 pis., 5 figs. Price, 10 cents. 



Contents : Introduction — Former conditions — Circular letter and questions — - 

 Answers to questions — Feed on the range : The plantains : saltbushes and 

 their allies ; native legumes : the Cactacese : the grasses — The range reserve 

 tract: Area C; area E: area F; area A; area B; area D — Precipitation 

 records — Summary and suggestions. 



*f Xo. 5. Seeds and Plants Imported through the Section of Seed 

 and Plant Introduction for Distribution in Cooperation 

 vith the Agricultural Experiment Stations. Inventory 

 Xo. 9. Xumbers 4351-5500. 1902. 79 pp. 



Contents : Introductory statement — Inventory of seeds and plants im- 

 ported — Index of common and scientific names. 



f Xo. 6. A List of American Varieties of Peppers. By W. W. 

 Tracy, jr.. Assistant. Botanical Investigations and Ex- 

 periments. 1902. 19 pp. Price, 10 cents. 



Contents : Introduction — List of abbreviations of names of seedsmen — List 

 of varieties. 



* Xo. 7. The Algerian Durum "VMieats : A Classified List, with De- 

 scriptions. By Carl S. Scofield. Expert, Botanical In- 

 vestigations and Experiments. 1902. 48 pp., 18 pis. 

 Price, 15 cents. 



Contents : Introduction — Object of a descriptive classification of wheat 

 varieties — Basis of present descriptions and classification : Structure of the 

 wheat head; grain characters; relative value of characters — Glossary of 

 terms used — General character of the durum wheats — Description of varieties 

 with key: Aicha el Beida ; Courtellement ; Beloturka ; Xeres ; Poulot ; Paros; 

 Beliouni ; ^tledeah : Caid de Siouf ; Kahla ; Trimenia ; Hached ; Boghar ; El 

 Aoudja ; Tesdouni : ^I'Saken ; Medeba : Meskiana ; Caid Eleuze; Pelissier; 

 :Nrohamed ben Bachir ; El Hamra ; Azizi : ]\Iaroc ; Ouchda ; Adjini ; Zedouni ; 

 Aures ; Moroccain ; Nab el Bel ; El Saf ra. 



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