. The botany of crop plants; a text and reference book. Botany, Economic. COMPOSITvE 633 Basal k-avcs l)n)a(l, spal Leaves deeplv ml 01 ulalo, oval t.) roun-lish, always rounded at the tip. 1 ..11 liie cd^rs, L. idtiv'i var. itilyhacca (culling or cut- leaved lelUm). Leaves entire or but slightly toothed. , • , , , > Leaves forming a rather compacl roundish or head; leaves ncvu d c cle Iv SI IT and Hat, L. var. ( or cabbage ellucc) Leavel forming a conical or head; leaves and slilT L. Siit'mi var. romana (,cos lelluce).. Fi(.. 260. p
. The botany of crop plants; a text and reference book. Botany, Economic. COMPOSITvE 633 Basal k-avcs l)n)a(l, spal Leaves deeplv ml 01 ulalo, oval t.) roun-lish, always rounded at the tip. 1 ..11 liie cd^rs, L. idtiv'i var. itilyhacca (culling or cut- leaved lelUm). Leaves entire or but slightly toothed. , • , , , > Leaves forming a rather compacl roundish or head; leaves ncvu d c cle Iv SI IT and Hat, L. var. ( or cabbage ellucc) Leavel forming a conical or head; leaves and slilT L. Siit'mi var. romana (,cos lelluce).. Fi(.. 260. pappus -SinKlc llowcr of salsify (Tragopogon ). X 'I'racy classifies the American varieties of lettuce as tol- lows: (r) butter varieties, (2) crisp varieties, and (.^) os varieties. These three groups are further subdivided. TRAGOPOGON PORRIFOLIUS (Salsify or "Oyster Plant") is a hardy perennial plant hnu^ a tleshy r.).)t. The rools are about 12 inches Ion- wilh a (liam'eler of about 2 inches at the top; the skin is grayish white The sloLs are usually somewhat branched and succu- lent Wiien grown from seed, a seed stalk is sent up the second season to a height of 2 to 4 feet. The lonrs are alter- nate, entire, Hnear-lanceolate, clasping at the base, and glau- cous. Heads (Fig. 259) are single at the end of rather long thickened peduncles, which are often holhnv for several. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Robbins, Wilfred William, 1884-1952. Philadelphia, P. Blakiston
Size: 1292px × 1933px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
