Usage examples (3)

• Thallus usually composed of minute granules, these often run together to form a leprose or verrucose and rarely areolate or even subsquamulose crust, rarely...
• Thallus thin and granular, passing into smooth or leprose conditions, thence to thickened and subareolate states, ash-colored to dark brown-green, usually continuous...
• Thallus of minute, usually crowded, sometimes confluent granules, these forming an ash - or green-gray, thin, leprose or subgranulose, sometimes scattered and...