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Jepson Field Book Transcriptions · Jepson Herbarium
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40_184 Wolfskill sta., nw. Solano Co. No. 10,407. Evax caulescens Heads closely crowded in such a way as to make a sort of disk, which is roundish and almost flat. The heads fit rather closely together, so as to make a sort of pavement (say an ornamented or tessaleated floor); surrounding this capitate inflorescence are a whorl of many leaves. "Fertile" bracts in vertical rows under the sterile set of 5, five in a row. Fertile bracts are different from the sterile ones; all have an ovary in the axil except the lowest which appears to be empty. The fertile bracts are distinctly bluntish at apex or even a little truncatish! In E. [Evax] sparsiflora they are acutish with a distinct but short cusp! On |
40_185 May 8, 1924. account of coloration it is obvious to the eye under a lens. The sterile bracts form a central disk which bears 5 [male] flowers. These do not form a "cup" as in E.[Evax] sparsiflora, but rather a disk. Their margins are inrolled a little and are not, in consequence, united by their edges or even connivent. In E. sparsiflora the sterile bracts are flat, quite rigid, connivent by their edges so as to form a distinct cup. The fertile bracts rather closely subtend the sterile ones, whereas in E. sparsiflora there is a distinct space between the two kinds of bracts. Sterile whorl of bracts 4 1/2 mm. broad. Sterile whorl in E. sparsiflora 1 to 1 1/2 mm. broad. Beds of winter pools. |
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