. The botany of crop plants; a text and reference book. Botany, Economic. 538 BOTANY OF CROP PLANTS priniar}- ril)sarL' Ihrcad-likc, while the lateral ribs are expanded into broad. Hat wings, with those of the two mcricarps con- tiguous. 'I'he oil tubes are solitary in the intervals; there are iour on the dorsal side and two to four on the commissural side. The olive-green seeds are llattened dorsally. The seeds are very short-lived. Geographical.âThe wild parsnip, Paslinaca saliva, from which our ciilti- valcd variolics arc derived, is a native of Europe. This wild form has l)c- comc naturali
. The botany of crop plants; a text and reference book. Botany, Economic. 538 BOTANY OF CROP PLANTS priniar}- ril)sarL' Ihrcad-likc, while the lateral ribs are expanded into broad. Hat wings, with those of the two mcricarps con- tiguous. 'I'he oil tubes are solitary in the intervals; there are iour on the dorsal side and two to four on the commissural side. The olive-green seeds are llattened dorsally. The seeds are very short-lived. Geographical.âThe wild parsnip, Paslinaca saliva, from which our ciilti- valcd variolics arc derived, is a native of Europe. This wild form has l)c- comc naturalized in many sections of Xortli America, occurring as a weed along roadsides and in waste places. âThere are comparatively few parsnip \arieties. rrobabl\' the most popular sorts are the Guernsey and Hollow Crown. Tn both of these, the crown is concave. Fi.;.. â Celery (Apium graveolens). A, schizocarp, external, X 15; B. diagrammatic cross-section of scliizocarp, X 20. APIUM (Celery and Parsley) Generic Description.âMembers of this genus are annual or perennial herbs with pinnately dixided leaves. The white or gveenish flowers are in compound umbels. The involucre and involucels ma\' be present or wanting. The cal}x teeth. 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
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
