Pollen cell. In flowering plants the vegetative tube cell produces the pollen tube, and the generative cell divides to form the two sperm cells. Pollen is produced in the microsporangia in the male cone of a conifer or other gymnosperm or in the anthers of an angiosperm flower. Pollen grains come in a wide variety of shapes, sizes, and surface markings characteristic of the species (see electron micrograph, right). Pollen grains of pines, firs, and spruces are winged. The smallest pollen grain, that of the forget-me-not ("Myosotis" spp.), is around 6 µm (0.006 mm) in diameter. Wind-borne pollen grains can be
The Grains of Sand in early 1966. Around the same time, the Rockin' Bugs agreed to change the group moniker to the Grains of Sand, inspired by a pair of college students studying chemistry while the band members proposed possible alternatives. The Grains of Sand entered Golden Star Studios in Hollywood to record "That's When Your Happiness Began", a catchy pop tune written by the Addrisi Brothers, along with the fuzz-tinged Hodgkins-original "She Needs Me". Session musician Hal Blaine took part in the recording of "That's When Your Happiness Began", which was released, coupled by "She Needs Me" as its B-side, in February 1966.