ovoid; stipe to 0.5 mm. Carex lenticularis 20 Perigynia 3–5-veined on each face, ellipsoid; stipe not more than 0.2 mm. > 21 21 Perigynia prominently
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Involucres cylindric to campanulate (sometimes becoming turbinate in fruit), 4–15 mm diam. Phyllaries 5–18 in 1–2 series, lanceolate, equal or subequal, (bases
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appearing on ancient coins of the city of Cyrene Treatment appears in FNA Volume 21. Treatment on page 77. Mentioned on page 65, 157. Perennials, 20–250+ cm (fibrous-rooted
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achenes 0.6–0.8 mm wide. Carex crawfordii 12 Perigynia 1.2–3.8 mm wide, 0.35–0.7 mm thick; achenes 0.85–2 mm wide (0.7–0.9 mm in C. scoparia). > 13 13
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opposite or alternate. > 5 5 Styles 2–3 mm; petals 4–6.5 mm; Florida. Linum arenicola 5 Styles 3–6.5 mm; petals 7–11 mm; New Mexico, Texas. Linum rupestre 3
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Leaves: basal rosette present, persistent or not, proximalmost internodes to 5 mm; blade without broad basal lobes, margins entire, toothed, pinnate, or pinnatisect
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Etymology: Greek erion, wool, and phyllon, leaf Treatment appears in FNA Volume 21. Treatment on page 353. Mentioned on page 255, 335, 336, 352, 354, 363, 380
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Synonyms: Dugaldia Cassini Plummera A. Gray Treatment appears in FNA Volume 21. Treatment on page 435. Mentioned on page 415, 416, 437, 446. Annuals, biennials
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rounded, entire or slightly emarginate; awns straight, arising less than 1.5 mm below the lemma apices. Bromus sect. Bromopsis is sometimes incorrectly called
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less than 2–3 mm wide, linear, frequently forking or with 1–3 small, narrow projections. Asplenium septentrionale 2 Blades more than 10 mm wide, linear-lanceolate
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petals > 38 38 Styles 3-7 mm; sepals 2.5-5 mm; filaments 1.8-5 mm > 39 38 Styles 6-14 mm; sepals 3.4-8 mm; filaments 6-10 mm > 41 39 Leaf blades: base
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Treatment appears in FNA Volume 26. Treatment on page 303. Mentioned on page 20, 21, 58, 82, 308. Herbs, perennial, from bulbs. Bulbs solitary or clustered, tunicate
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Leaves: lobes evident and distinct > 21 10 Bracteoles linear-filiform, margins eglandular or sparsely glandular; pomes 5–8 mm diam Crataegus ser. Virides 10
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Turesson, G. 1925. Studies in the genus Atriplex. Acta Univ. Lund, n. s. 21: 1–15. Welsh, S. L. 1995. Names and types of perennial Atriplex Linnaeus (Chenopodiaceae)
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alluding to venation of ray floret corollas Treatment appears in FNA Volume 21. Treatment on page 447. Mentioned on page 415, 416, 437. Annuals or perennials
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names: Sneezeweed Etymology: For Helen of Troy Treatment appears in FNA Volume 21. Treatment on page 426. Mentioned on page 415, 416. Annuals or perennials
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apices abruptly constricted to awnlike tips; discs 10–45 × 15–40 mm). Ray-florets 8–21, neuter; corollas dark purple to pale-pink, white, or yellow (tubes
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1-2.5 mm; heads of achenes cylindric, 5-7 mm wide. Ranunculus pensylvanicus 4 Petals 4-6 × 3.5-5 mm; heads of achenes globose to ovoid, 7-10 mm wide. Ranunculus
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1 cm; Arizona, New Mexico, Texas. > 21 21 Perianth tube ca. 1/2 (6–18 mm) as long or less than limb lobes (13–27 mm); filaments inserted above mid-perianth
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campanulate, cylindric, hemispheric, obconic, or turbinate, (4–19+ ×) 2–18 mm. Phyllaries 8–60 in 2–7 series (often in vertical ranks), 1-nerved (midnerves
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