152 RUBIACE^. 



linear to oblong, elliptic and oblanceolate. Flowers in threes, wliite, very 

 "minute. Dr. Hooker thinks the American, distinct from the European, plant. 



Small Bedatraw. 



3. G. tinctorium Linn. : stem diffuse, smoothish ; leaves linear, some- 

 what acute ; those of the stem in sixes ; of the branches in fours ; pedun- 

 cles terminal, elongated, mostly 3-flowered ; corolla 4-parted. G. trifidum 

 var, tinctoriwm Torr. d^ Gr. 



Wet woods. Can. to Car. June — Au^. %. — Stem weak, branching. Leaves 

 very narrow. Corolla white, mostly 4-cleft. Used as a red dye. 



Dyer's Bedstrnw. 



4. G. asprellum Mich. : stem diffuse, very branching, the angles re- 

 trosely aculeate ; leaves in sixes, fives and fours, elliptical or lanceolate, the 

 midrib and margins aculeate-hispid ; branches 2 — 3-forked ; pedicels fiUform, 

 divaricate, short. G. micranthuvi Pursh. 



Moist places. Can. to Virg. June, July. %. — Stem weak, 2 — 4 feet long, 

 often supported on other plants by its hooked prickles. Flowers numerous, 

 minute, white. Rough Bedstraw. 



*** Fruit hispid. 



5. G. Aparlne Linn. : stem weak, branching, retrosely aculeate ; leaves 



6 — 8 in a whorl, linear-lanceolate, mucronate, with the midrib and margin 



rough with reflexed prickles ; fruit large. 



Moist woods. Can. to Del. W. to Oregon. June. (1). — Stem 3 — 4 feet long. 

 Flowers white, numerous, on axillary and terminal peduncles. Perhaps intro- 

 duced. Common Cleavers. Goose Grass. 



G. G. triJloriiTn, Mirh. : stem procumbent, smoothish, the angles aculeate 

 or hispid ; leaves 5 or G ia a whorl, narjw-elliptic or tiliptio-Ianceolate, 

 acuminate, mucronate, slightly hispid or scabrous on the margin and mid- 

 rib ; peduncles axillary and terminal, mostly 3-flowered at the extremity. 

 G. cuspidatum MvM. Ell. G. brachiatum Pursh. 



Moist woods. Can. to Louis. W. to Oregon and California. July, Aug. 

 %.. — Stem 1 — 4 feet long, with short branches. Flowers rather few, greenish- 

 white, small. A variable species. Dr. Torrey states that it gives out a vanilla- 

 like odor in drying. Sweet-scented Bedstraw. 



7. G. pilosum Ait. : stem ascending, hispid, hairy or nearly smooth ; leaves 

 4 in a whorl, oval or ovate, mucronate, ciliate and mostly hairy ; peduncles 

 elongated, dichotomous, often 3-flowered at the extremity. G. puncticulo- 

 suvi Mich. G. Bermudianum Pursh. 



Dry woods. N. Y. to Louis. W. to Texas. June, July. %..—Stem 1—2 feet 

 high, mostly simple, more or less pubescent. Flowers browTiish purple. . 



Hairy Bedstraw. 



8. G. cirz(2zans Mich. : stem erect or ascending, nearly smooth or bairy ; 

 leaves 4 in a whorl,, oval or ovate-oblong, mostly obtuse, 3-nerved, some- 

 what pubescent, ciliate on the margin and nerves ; peduncles lateral and 

 terminal, divaricate, few-flowered. G. brachiatum Muhl. G. boreale Wall. 



var. 1. lanceolatum Torr. N.Y. Fl.: leaves lanceolate or ovate-lanceo- 

 late, rather acute, G. lanceolatum Torr. Fl. 



var. 2. montanum Torr. <^ Gr. : dwarf; leaves obovate, nearly smooth. 



Rocky woods and mountains. Can. to Flor. W. to Miss. June, July. %■— 

 Stems usually several from one root, 10 — 18 inches high. Flowers purple. 

 Fr^it clothed with dense white bristles. Wild Liquorice. 



