38 EUBIACEiE. Galium. 



lanceolatum, Torr. Cat. PL N. Y. 23; Torr. & Gray, Fl. ii. 24. — Dry woods, New England 



to Upper Michigan and Canada. 



= = Fruit very smooth and glabrous, rather fleshy: corolla dark brown-purple; lobes acuminate. 



■~G. latifolium, Michx. a foot or more high, somewhat glabrous : leuves oblong- to ovate- 

 lanceolate (mostly 2 inches long), hispidulous-ciliate, lineate-puncticulate, almost petiolate : 

 cvmes effusely paniculate, many-flowered ; flowers on filiform pedicels, which are erect even 

 in fruit. — Fl. i. 79 ; DC. Prodr. iv. 599 ; Torr. & Gray, Fl. ii. 25, excl. var. — Open woods 

 in the iVUeghany Mountains, Penn. {Porter) to Carolina and Tennessee, first coll. by ilichaux. 

 ++ 4-1- ++ Leaves narrow, with lateral nerves obscure or none; otherwise like G. Utifollum. 



^G. Arkansanum, Gray. Less than foot high: stem and branches glabrous, slender: 

 leaves from lanceolate to linear (at most inch long, 1 to 3 lines wide), hispidulous-ciliate on 

 the margins and midrib beneath : effuse cymes, flowers, &c. of the last preceding : fruiting 

 pedicels minutely upwardly scabrous. — l^roc. Am. Acad. xix. 80. G. latifolium. var., Torr. 

 & Gray, 1. c. — Arkansas, near the Hot Springs, Engelmann, Dr. Foreman. 



++++++++ Leaves narrow, distinctly 3-nerved, blunt : flowers bright white, copious. 



* G. boreale, L. Erect, a foot or two high, mastly smooth and glabruus, very leafy : leaves 

 from linear to broadly lanceolate, often with fascicles of smaller ones in the axils : flowers 

 in numerous close cymules collected in a terminal and ample thyrsitorm panicle ; the upper- 

 most leaves being reduced to pairs of small oblong or oval bracts ; fruit small, hispidulous, 

 or .it first canescent and soon glabrous and smooth. — Spec.i. 108; Fl. Dan. t. 1024 ; Pursh, 

 Fl i. 104 ; Hook. Fl. i. 289 ; Torr. & Gray, 1. c. G. septentrionale, Roem. & Schult. Syst. iii. 

 253 ; DC. Prodr. iv. 601. G. strictum, Torr. Cat. PL N. Y. 23. G. rubioides of Am. authors, 

 form with smooth fruit and broadish leaves. (True G. rubioides, L., N. .isia to Kamtschatka, 

 has evident reticulate venation between the ribs of the broader leaves, and enlarged vesicu- 

 lar as well as smooth fruit.) — Rocky banks of streams, Canada to Penn., New ilexico, Cali- 

 fornia, and north to Arctic regions, in various forms. (Eu., N. Asia.) 



H— -1— Leaves in fours, fives, or sixes, small, one-nerved, pointless: plants low, slender and weak, 

 and slender-rooted: flowers very small, white: fruit smooth and glabrous. 

 G. Brandegei, Gray. Loosely cespitose-depressed, with the aspect of Callitriche or Elatine, ' 

 smooth and nearly glabrous : branches or stems a span or less long : leaves in fours, obovate 

 to spatulate-oblong, slightly succulent, 1 to 3 lines long, one or two of the whorl usually 

 smaller than the others ; midrib indistinct : peduncles solitary in upper axils or geminate 

 and terminal, one-flowered, little longer than the leaves. — Proc. Am. Acad. xii. 58. — Xcw 

 Mexico, in valley of the upper part of the Rio Grande at Los I'inos, 9,000 feet, spreading on 

 moist ground, Brandegee. 



" G. trifidum, L. Weakly erect, branching, 5 to 20 inches high, smooth and glabrous, except 

 the retrorsely scabrous angles of the stem aud usually more hispidulous and sparse rough- 

 ness of the midrib beneath and margins of the leaves : these in sixes, fives, or not rarely 

 fours, linear or oblanceolate, or lanceolate-oblong, obtuse, 4 to 7 lines long ; the midrib evi- 

 dent : peduncles slender, scattered, l-se\pral-flowered ; flowers often 3-merous (whence the 

 specific name), as commonly 4-merous. — Spec. i. 105 ; I<'1. Dan. t. 48 ; DC. Prodr. iv. 597 ; 

 Torr. & Gray, Fl. ii. 22. G. tinctorium, L. 1. c. 106 ; DC. 1. c, larger form with leaves in 

 sixes and flowers 4-meri)US. (;. Claytoni, Michx. FL i. 78; Hook. Fl. i. 288. — Sphao-nous 

 bogs and wet ground, Newfoundland and Labrador to Aleutian Islands, and south to Texas, 

 Arizona, and California. (Eu., N. Asia, .Japan.) 



==» Var. pusillum, Gray, Man., among the many forms of tlie species, is the smallest, a " 

 span or two high : leaves only in fours, 3 or 4 lines long, narrow-, in age often reflexcd : 

 peduncles 1-flowered. — Li cidd bogs, a Northern form, and iu the Hocky Mountains and 

 Sierra Nevada to Colorado and California. 



Var. latifolium, T.jrr. 'I'lie larger and broadcst-lca\ od form : leaves 6 or 7 lines 

 Iniig, often 2 lines wide: cymules few-several-fli>wer(Ml. — Fl. X. & Midd. States, 165; 

 Gray, M.au. G. obtusum, ISigcl. Fl. Post. ed. 2, i;5. — Canada to Texas and mountains of 

 California. 



-G. conclnnum, Torr. & Gray. Diffuse and erect, freely branching, about a foot high, 

 smooth and glabrous, except the roughened angles of the stem ami margins of the leaves! 

 these all in sixes, oldanceolate-lin car, nincronnlatc, veinlcss, rather lucid ami firm(dr\ing 

 bright green), the midrib prominent beneath: flowers numerous in loose and open cymes on 



