Jasminum - 1 item.
Jatropha - 3 items.
Jojoba Happenings - 1983 - 1985. 16 selected issues.
Jubaea - 1 item.
Juglans - 5 items, including Horticulture 1944 "The Noble Black Walnut".
Juniperus - 9 items.
Jute - 10 items, including Commerce Reports 1932 "The Jute Industry in India".
Kalopanax - 1 item.
Kalmia - 7 items, including The Garden 1919 "The Kalmias".
Kapok - 16 items, including The Agriculture News 1912 "Silk Cotton, or Kapok".
Kelp - 14 items, including Scientific American 1918 "Sea-Weed for War".
Kenaf - 1 item.
Kerstingiello - 3 items.
Kigelia - 2 items, including Field Museum News 1935 "The Sausage Tree".
Khat - 11 items.
Kniphofia - 1 item.