TETRANDRIA.— MONOGYNIA. 79 



HAB. Low grounds. July. If. Stem afoot high, 

 weak;Jl. white, mostly 4-cleft. 

 4. G. asprellum : stems diffuse, much branched, re- 

 trorsely aculeate ; leaves in fives and sixes, lanceo- 

 late, acuminate, aculeate on the nerves and mar- 

 gin : pedicels short. 

 HAB. Shady wet place*. June — July. 1J. . Stem 1 — 2 

 ft. high, very leafy ;fl. terminal, white. 



* * Fruit hispid. 



». G. Aparine : leaves 6 or 8 in a whorl, obovate-lance- 

 olate, hispid above ; margin and keel prickly ; stem 

 flaccid, relrorsely aculeate ; fruit with uncinate 

 bristles. 

 HAB. Moist thickets. May— June. ©. Stem 3—4 

 ft. long, procumb. or inclin. ; fl. white ; fruit unci* 

 nately hispid. 



»'. <r. brachiatum: stem flaccid, elongated, brachiate- 

 ramose, hispid; branches short; leaves in sixes, 

 oblong-lanceolate, acuminate, smooth ; margin and 

 keel setaceously ciliate ; flowering branches longer 

 than the whorls, divaricate and dichotomous ; pedi- 

 cels 2-flowered ; fruit with uncinate bristles. 

 HAB. Meadows and woods. June — Aug. -}-• 



7. G. micranthum: stem much branched, divaricate, 

 retrorsely aculeate ; leaves short, lanceolate, mu- 

 cronate, smooth, margin and keel aculeate ; flower- 

 ing brandies divaricate ; pedicels 2-flowered. 

 HAB. Mountain swamps. July. If. Fl. white, very 

 numerous and small; fruit mostly l-seeded. 



'. (1. triflorum: stem procumbent, smoothish ; leave- 

 in fives and sixes, obovate-lanceotate, mucronate. 

 smooth, scarcely ciliate on the margin ; flowering 

 branches elongated, 3-flo\vered at the extremity 

 flowers pedicellate ; fruit small, hispid. 

 HAB. Moist thickets. July — Aug. If. Stem weak. 

 3 — bft. long ; leav. membran. ; flow, branch, axill 

 and term. 



' ( i. pilosum : stem nearly simple, elongated, ascend 

 iog, with remote joints, bispid ; leaves in fours, oval, 

 moeronate, very hairy on every part, nerveless ; 

 flowering branches elongated, nearly simple 

 flowered at the extremity ; fruit hairy. 



