GEKANIACEAE (GEKAXIUM FAMILY) 



535 



Fruit 1.7-2.4 cm. long; seeds pitted. 

 Flowers crowded . . . . , 

 Inflorescence lax . . . . , 



Fruit 1-1.5 cm. long. 

 Seeds pitted ; sepals short-awned 

 Seeds smooth ; sepals awnless . 

 Fertile part of the carpel essentially glabrous. 



Pedicels S-15 mm. long . . . , 



Pedicels y-<5 cm. long 



6. G. carolinianinn. 



1. G. Bicknellii. 



8. G. rotundifolium. 



9. G, pusillum. 



10. G. molU. 



11. G. columbinum. 



1. G. maculatum L. (Wild C.) Erect, hairy; leases about o-parted. the 

 wedge-shaped divisions lobed and cut at the end ; sepals slender-pointed ; pedi- 

 cels and beak of fruit hairy but not glandular ; petals entire, light purple, 

 bearded on the claw. — Open woods and fields, centr. Me. to Man., and southw. 

 Apr. -July. 



2. G. PRATEXSE L. Tall (7 dm. high) ; leaves mostly 7-parted, the narrow 

 lobes incised; pedicels and beak glandular-pubescent ; petals deep purple. — 

 Fields and meadows, n. e. Me., X. B., and Que. ; also locally, e. Mass. (Introd. 

 from Eu.) 



3. G. siBTRicuM L. Weak, diffusely branched; stem leafy; leaves 3(-5)- 

 parted, the segments broadly lanceolate or rhombic, sharply cut-toothed, acute ; 

 carpels finely pubescent ; seeds lineolate. — Said to be established on Manhattan 

 I. (Adv. from Eurasia.) 



4. G. Robertianum L. (Herb Egbert.) Sparsely hairy, diffuse, strong- 

 scented ; leaves S-divided or pedately b-divided, the divisions twice pinnatifid ; 

 sepals awned ; petals red-purple, long-clawed ; carpels wrinkled ; seeds smooth. 

 — Moist woods and shaded ravines, e. Que. to Minn., s. to N. J., Pa., and Mo. 

 June-Oct. (Eu.) 



5. G. PYRExXicuM Burm. f. Soft-pubescent and somewhat glandular, 2-6 dm. 

 high ; leaves orbicular, 5-7-cleft two thirds of the way to the base, the lobes 



obovate-oblong, again toothed ; sepals puberulent, 

 merely pointed^ not awned ; jjjc^r? 7s rose-colored, deeply 

 notched ; carpels puberulent ; seeds smooth. — Road- 

 sides and waste places, about Quebec ; also at Bethle- 

 hem, Pa. (Adv. from Eu.) 



6. G. carolinianum L. Diffusely branched, hairy ; 

 leaves about 5-parted, the divisions cut and cleft into 

 many oblong-linear segments ; flowers glomerate- 

 cymose ; sepals ovate, about as long as the ichitish or 

 very pale pink petals ; beak of fruit tipped with a 

 short filiform style; seeds ovoid, minutely reticulated. 

 — Rocky places, etc., mostly in poor soil, e. Mass., 

 southw. and westw., common ; ^laj'-June. Fig. 804. 



7. G. Bicknellii Britton. Diffusely branched ; leaves somewhat angular in 

 contour, deeply cleft into narrow segments and lobes ; 



flowers in pairs., the peduncles scattered; petals rose- 

 colored, somewhat exceeding the sepals ; hcak of fruit 

 tipped with a prolonged filiform style (4-6 mm. in length) ; 

 seeds nearly black, finely reticulated. — Open woods, clear- 

 ings, etc., ^id. to B. C, s. to N. E., N. Y., Mich., Utah, etc. 

 Fig. 805. 



8. G. rotcxdif6lium L. Weak, diffusely branched, vil- 

 lous with gland-tipped hairs ; leaves orbicular in outline, 

 cleft half to two thirds the way to the base, the broadish 

 segments crenate-toothed or lobed ; petals rose-color, 

 enrire ; seeds finely reticulated. — Waste places about New 

 York City, Philadelphia, etc., rare. (Adv. from Eu.) 



9. G. pcsiLLUM Burm. f. Similar to the preceding in 

 habit and foliage ; flowers very small ; petals purplish, 

 about equaling or little exceeding the awnless sepals : sta- 

 mens 5 ; fruit pubescent ; seed smooth. — Waste places and cultivated ground, 

 Mass., southw. and westw., casual. (Adv. from Eu.) 



804. G. carolinianum. x ^. 



805. G. Bicknellii. x 14. 



