broadly elliptic to elliptic-ovate or ± ovate to deltate-ovate, (4–) 5–8 (–10) cm, thin, base cuneate to subtruncate, rarely slightly cordate, lobes 4 or
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petiolate, 15–50 × 10–25 cm; cauline petiolate or sessile, mostly lobed to pinnatifid, sometimes not lobed, 8–40 × 3–20 cm. Heads (2–25) in loose, corymbiform
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elliptic, 5–8 (–10) × 14–19 mm, apex rounded. Racemes pendent; staminate-flowered racemes 7–15 cm, puberulent; pistillate-flowered racemes 7–10 cm, pubescent
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bracts usually persistent, 1–2, immediately proximal to calyx. Pedicels terete, 0.2–0.7 [–4] cm. Flowers [2–] (5–) 6–10 (–12) cm diam.; sepals persistent,
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distal laminal cells 8–10 µm wide, and capsules usually eperistomate; the leaves commonly have rather stout and long mucros of (4–)7–10 cells. Weissia sharpii
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Treatment on page 10. Illustrator: Barbara Alongi Copyright: Flora of North America Association Plants erect, straggling, or vinelike, 0.4–2 m, ± glabrous
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colonial or not, 0.2–0.6 (–1.1) m, not glaucous, with woody caudex, usually with woody taproot, without rhizomes or rhizomes not cordlike, 3–10 mm diam. Stems
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Mexico. All species have a chromosome number of 2n = 10 except two: H. brickellioides (2n = 12) and H. whitneyi (2n = 8). Species of Hazardia are variable in
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mostly 1–8 cm, longer in fruit; involucellar bractlets linear, (2.5–) 4–10 (–15) mm. Flowers bisexual or pistillate; calyx 4.5–13 mm, lobes 3.2–11 × 1.5–4
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Isothecium myosuroides, Isothecium stoloniferum Bridel Bryol. Univ. 2: 355, plate 10, fig. 7. 1827. Wilfred B. Schofield† Etymology: Greek isos, equal,
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leaves sometimes subsessile; blade cordate or reniform-orbiculate, 3–10 (–15) × 3–10 (–15) cm, base cordate, apex rounded, lobe apex often acute, surfaces glabrous
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4–) 1–4 cm, not fleshy, thin and flexible or thick and ± brittle, margins plane, involute, 0-lobed, apex acuminate. Inflorescences 2–15 × 2–3 cm; bracts
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Mentioned on page 336, 338, 339, 341, 343, 344. Leaves 1–2, 10–50 cm × 3–15 mm; blade linear. Scape 10–80 cm, usually smooth, sometimes scabrous near base. Flowers:
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exserted. Seeds winged, the wing-seed juncture bearing resin sac; cotyledons 4–10. x =12. Widespread in north temperate regions, North America, Mexico, Central
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arising from proximal 1/2. Inflorescences flat-topped, 1–2 cm diam., 15–30-flowered, subtended by 2 pairs of cataphylls; peduncle 10–20 mm; petaloid bracts
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slightly compressed, 7–10-ribbed, ± densely strigose; pappi persistent, of 25–50, white to tan or rust, barbellate bristles in (2–) 3 (–4) series (outermost
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sausage-shaped. x = 21. Temperate regions, North America (including Mexico) Species 10 (10 in the flora). Piperia is perhaps the most taxonomically complex orchid
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appears in FNA Volume 10. Stems erect to decumbent, 20–200 cm, puberulent. Leaves: petiole to 10 mm; blade linear to lanceolate, 1–6 cm. Inflorescences open
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abaxially, glandular adaxially. Racemes 1–20 cm (10–40 cm in fruit); bracts unifoliate, elliptic, 10–20 mm. Pedicels 10–25 mm, (glandular-pubescent). Flowers:
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Perennials or subshrubs, 10–100 cm; caudices branched, usually woody, taproots 2–18+ cm. Stems 1–30+, branched throughout or in distal 1/2–2/3, moderately stout
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