166 



369. GALIUM. 



b. Fruit not granular. Stem firm at base, 

 nearly round and even. 



15. purpureum. L. 6-8, lineai', very nar- 

 row, mncronate, rough on the margin. Stem 

 much branched, woody. Fl. terminal, in threes 

 or soKtai-y, ^M?p/i?. Cor. apiculate. w. 7, 8. 

 Rocky calc. It. Sw. s. Tyr. Massa. Apenn. 



16. Villarsii. L. 4-6, hairless, some- 

 what fleshy. Pan. twice ternate. Fl.-stalks 

 thick, shorter than L. Seeds very large, and, 

 tvith a high power, appearing shagreened. Seg- 

 ments of Cor. without cusp. p. 7- High 

 stony. Pyr. Dau. Mont Ventous. 



17. helveticum. Stems procumbent, much 

 branched. L. 6-8, nearly nerveless, flat, some- 

 what fleshy (rough on margin, DC): lower 

 obtuse. Stalks 1-3 -flowered, tenninal and 

 axillary, somewhat longer than L. Segments 

 of Cor. acute, no cusp. p. 7, 8. Stony 

 mountains. Sw. rare. Mont Cenis. Tyr. occ. 

 Bavaria. 



18. sylvaticum. L. in eights, elliptic or 

 obovato-lanceolate, obtuse, mncronate. Floral 

 L. opposite. Stalks of Pan. capillary. Buds 

 nodding, p. 6, 7- Woods, m. and s. Em\ 



19. linifolium. Stem round, smooth. L. 

 4-8, lanceolate, acuminate. Stalks of Pan. 

 capillary, always erect. Divisions of Cor. acute. 

 Fr. quite smooth, p. 7, 8. Mountain thickets. 

 Pyr. s. Alps. — DC. Koch makes this a var. 

 of G. aristatum. The round stem induces me 

 to place it near sylvaticum. 



c. Truit shagreened or tubercled, not hairy. 

 Stems very thin and weak at the base. 



20. saxatile. L. about 6, obovate, acute. 

 Stems numerous, prostrate, much branched. 

 Pan. many-flowered. Divisions of Cor. acute. 

 p. 7, 8. Heaths and stony. 



21. sylvestre. L. 6-8, Hneari-lanceolate, 

 broader upwards, acuminate, mncronate, one- 

 nerved. Pan. many-flowered. Pedicels erecto- 

 patent. Segments of Cor. acute. 



a. Imve. Without hairs in any part. 

 jS. alpestre. Also hairless. All the parts 

 more rigid and crowded. 



7. hirtum. {fusillum of Sm. ; Bocconi of 

 DC.) Hairy. 



8. supinum. L. pricldy at the edge, nearly 

 as long as panicle, p. 6, 7. Hough rocky. 



The above varieties are species of DC. 



22. puxnilum. L. 6-8, linear, with a subu- 

 late extremity, a strong midrib, and a thick- 

 ened, somewhat revolute margin. Stems cespi- 



tose, procumbent, 4-sided. Pan. few-flowered. 

 Divisions of Cor. acute, without a cusp. 



a. hypnoides, VuL. Stallcs erect, 2-4-flow- 

 ered. 



^. cmspitosum. More dense and rigid. 

 Stalks 1-flowered. p. 6, 7. High open 

 rocky. Alps. Apenn. 



23. rubrum. L. 6-8, lineari-lanceolate, 

 mucronate. Pan. diffuse. Pedicels straight, 

 capillary. Cor. reddish, with long, slender 

 cusps, p. 6, 7- Dry mountain pastures. 

 s. Europe. 



/8. obliqumn. Fl. greenish-white. Dau. 



S. Flowers axillary. Stem without re- 

 curved prickles. 



24. maritimum. ViUoso-hispid. L. 4-6 ; 

 the uppermost opposite, lineari-lanceolate, 

 acute. Stalks axillary, 1-7 -flowered. Corolla 

 externally, and Fr. hispid. Root woody, p. 7, 

 8. Rocks on the shore. Ste. Lucie. Nice. 



25. psrrenaicuin. L. in sixes, narrow, 

 linear, acuminate, thin. Fl. neaiiy sohtaiy, in 

 the axUs toward the ends of the branches, faUing 

 short of L. Divisions of Corolla acute, with- 

 out cusps, p. 6. High. Pyr. Mountains of 

 Carrara. 



C. Flowers in a terminal panicle. Stem 

 rough, with reversed prickles or teeth. 



26. ulig'inosum. L. 6, lineari-lanceolate, 

 mucronate, 1 -nerved. Prickles of the margin 

 and keel, and on the stem, retrorse. Fruit- 

 stalks straight. Divisons of Corolla acute. 

 p. 7. Peaty meadows. 



27. palxistre. L. 4 or 5, rarely 6, un- 

 equal, oblongo-obovate, obtuse ; upper opposite ; 

 roughness (if any) spreading or recm'ved. 

 Corolla without cusps. Fr. finely rugose. 

 p. 7- Wet. There are not always pjrickles 

 on the stem ; but the plant may be known by 

 the L. on the branches in fours, obovato-ob- 

 long, and very unequal. 



0. Witheringii. L. more fi-equently 6. This 

 is frobably the montanum of lAiin. 



Sect. II. Flowers complete. Root annual. 

 Fruit granular or hispid. L. \-nerved. 

 Stem rough icith reversed prickles. 



"Si. Flowers in a terminal panicle. 



28. campestre. " Stem slender, decum- 

 bent, ascending, with retrorse prickles at the 

 angles. L. hauless, margin with forward 

 pricldes : lower in fom's, subrotundo-spatulate, 

 stalked; upper in sixes, obversely lanceolate. 



