442 UKFORT OK OFFICE OF P^XPKRIMKNT STATIONS. 



'Plir nrcatci' [>;ill of the :ilK)\r miisci"V stock, except the ("itrus 

 vai'ictics. will t>o sot in the ^H-iicn' oi-cliard, which is nearly icady for 

 plaiitint;, (lurinu' the inoiitlis of Se])t(Miil»er, ()ctol)er, and Noxcinher 

 (PI. XX, ti*;'. 1). The trees w ill l»e set in rows 25 fcot apart and 1.") to 

 25 feet apart in the row, depending- on the variety. 



There are now in the l^uddini^' rows (three j)iants to the meter in 

 rows 1 meter apart) the folh)wine-: l,2r)(» iinion hobo, I,(I<M) naranjo, 

 200 china, 100 in<jfiorta. Tiiese stocks will he ready for huddinir dur- 

 \ug the next rainy season. An experiment to test the comparatixe 

 values of tiie above !(> (and other) stocks for buddinj^- with certain 

 stjindard sweet oranges and the native Mayaguez "china" is con- 

 templated. 



SEED AND PLANT DISTRIBUTION AND ACaUISITION. 



Several hundred packages of garden seeds received from the United 

 States Department of Agriculture have been distril)uted to tlie rural 

 schools and to estate owners. 



Native bulbs, seeds, and roots have l)cen sent to Hawaii, Honduras, 

 and to several firms in California and Florida. 



Collections of the three principal varieties of Porto Kican ])ineapples 

 have been sent to the botanic stations in Antigua, Dominica, and 

 Jamaica. 



The botanic stations in the British West Indies have ver^'^ generously 

 offered to supply gratis to the Porto Rico experiment station the 

 varieties of economic plants which may be obtained at their station 

 grounds, a list of desiderata has been sent to Sir Daniel Morris, 

 director of the Imperial Department of Agriculture in the West Indies, 

 and to Mr. ,). H. Hart, director of the Trinidad Botanic Gardens, and 

 packages of seeds are being received at frequent intervals from the 

 several British stations. 



The two most valuable additions to our economic collections thus 

 far have been the collection of bananas (22 varieties), tanier or 3'autia 

 (6 varieties), yams (5 varieties), and cassava (14 varieties), secured from 

 the Jamaica Department of Agriculture, and the collection of miscel- 

 laneous economic plants received from the Bureau of Plant Industry of 

 the United States Department of Agriculture. 



Besides Great Britain the only foreign countr}^ donating seeds or 

 plants was Madagascar. 



INSECT PESTS. 



Insecticide experiments were carried on in July and August at Rio 

 Piedras with the cotton boUworm, leaf hoppers, aphids, and the 

 changa. 



At Mayaguez the tirst entomological work to demand attention was 



