POLYPETALOUS EXOGENOUS PLANTS. 265 



3-4-lobed, reflexed, deciduous ; petals 3-4-clawed, unequal 

 or turned to the upper side ; stamens 6-8 ; styles declined ; 

 stigma 4-lobed; ovary 3-4-celled; fruit 3-4-angled, mostly 

 1-celled, 1-4-seeded. — Herls, with alternate leaves, and 

 white or purple /owers in a long-peduncled raceme or spike. 



G. BIENNIS, L. Soft-hairy; leaves oblong-lanceolate, 

 acuminate, becoming smoothish, wavy-denticulate on the 

 margins ; petals spatulate, white ; fruit obtusely 4-angled, 

 acuminate at both ends, sessile. Biennial; stem 3°-8° 

 high; spikes compound. 



G. FiLiPES, Spach. Pubescent and somewhat hoary, 

 becoming smoothish ; stem slender, paniculately branched ; 

 leaves linear, toothed, wavy; fruit ovoid, obtuse, sharply 

 4-angled, on slender j9et?ice/<?. Biennial; stem 2°-3° high, 

 very leafy. 



G. siNUATA, Nutt. Stems suffruticose and branching 

 at the base, naked above, glabrous ; leaves lanceolate, linear- 

 acute, remotely and acutely sinuate-toothed, rather thick, 

 veinless ; floivering branches slender, nearly simple, naked, 

 flowers loose pediceled ; segments of the calyx much longer 

 than the obconic tube; petals obloiig'Ohoy3ite, on slender 

 claws. — Drummond. 



G. Drummondii. Stem suffruticose at the base, a little 

 hairy below, virgately branched above; leaves someAvhat 

 canescently puberulent, lanceolate, acute, denticulate or 

 somewhat sinuate ; spikes slender, few and loosely flowered ; 

 bracts ovate, caducous, about the length of the ovary ; tube 

 of the calyx about the length of the segments and rather 

 shorter than the ovary; and terete when mature, ovate 

 pyramidal above, acute, with 4 strong carinate angles. — 

 Drummond. 



G. PARViFLORA, Doug. Stem tall, erect, and, with the 

 margin of the leaves, villous Avith very soft white hairs; 

 leaves ovate-lanceolate, acute or acuminate, repand-denticu- 



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