8 Formera' linllrtin 11•>*',.

\H tluit Ute aggroMÎTe underground ttenw, or ro , with which Sobitaon equipped are entírefy abwnt in Sudan graM. 'l'his atriking «lin'ri-cinn is simún dearly in the accompanying figure illt»-tmtin young aeedling planta of the two graMea, Sudan grass, like the eulti bums, nerer derelopa anything but (ihn... ii not become an obnonouaweed us the perennialJoti d Purthennore, it basahown oo tend ciuv to penasl in Selda us an annual weed through) vtdunteoraeedingB. When it baa plenty of room, the graai tillers very freely. It. is not oncommoQ to find over 100 aten» arinng frmn onecarown. This <lc rnh'tl tendency to tillfi- is moat apparent after the firvt cutting, and usimllv makea the hay from tho aeoond •■uttin of finer texture than thai trota thefii CLIMATIC REQUIREMENTS.

Sudan grass, Vikv soiMrhums, does hi>st in u warm cliiimtc. hi favor able aeaaona, where the growing period is hmg, as many as four cutobtained in One year. As in tho cast! of all other CVOpa, in determining the regiona of greateat impturtanoe, dimatic and soil «■ouditioiis are linked with the aeutencH of the need for auch H crop. Tho principal regions of production in tho United States are shown on the map (fig.3) as follows: JU* ■ gfSadn pnm ta dut n Region 1.—Twi>i>r threo gixxl <iitl,iii','H <ii h und without irrigat i'>a ia thiH nakm, UM j leid« w "'■ '■'il' H i H tlu' '•■ioo "' tof irr luiy grass in tliiw SlahH. Tn.lilal.l lin. Iisih in.ri.liiia ..alv, llmHorghuai adàgt usmiUy proventingH. ¡'in in the non handd âbtrict MWI ei iliin nicridian.