264 



593. ANTIRKHINUM. 



7. sempervirens. Woody, L. of bar- 

 ren Branclies suborbicular ; others ovate or ob- 

 long. Stalks longer than calyx ; the lower ax- 

 illary. Div. of Cal. lanceolate or ovato-lan- 

 ceolate, somewhat acute, 'w. 7, 8. Calc. 

 rocks, e. Pyr. 



C. Stems flag elUfonn. L. palminerved. 



S. Asarina. ViUous and viscid. L. broadly 

 cordate, on long stalks, p. Calc. rocks. Pyr. 

 Cev. Lig. 



594. LINARIA. 



A. Stems flagelliform. Mouth closed. 



i. L. pahninervcd. Sp. 1-6. 



ii. L. penninerved. Sp. 7-13. 

 S. Stems not fiageUiform. 



i. Mouth of Corolla closed with a palate. 



a. Stems erect. Flowers in a terminal 

 raceme. 



/ * Seeds 3 -edged, not bordered. 



t Barren Shoots or very short. 

 Sp. 13-15. 



ft Barren Shoots long and nume- 

 rous. Sp. 16-21. 



** Seeds ilat, bordered. 



t Barren Shoots or short. Sp. 

 22-24. 



tf BaiTen Shoots long and nume- 

 rous. Sp. 25-28. 



b. Stems decumbent. Margin of Seeds 

 broad. Sp. 29-31. 



c. Stems bushy. Margin of Seeds nar- 

 row. Sp. 32-34. 



d. Stems diffuse. No Margin to Seeds. 

 Sp. 35-37. 



ii. Mouth of Corolla open. Sp. 38-41. 



A. Stems flagelliform. Mouth of Corolla 

 closed hy a projecting palate. Mowers so- 

 litary/, axillary, stalked. L. all stalked. 

 i. L. palminerved. Plant perennial. 



1. hepaticifolia. Hairless. L. reniform, 

 indistinctly lobed. Div. of Cal. linear, some- 

 what acute, exceeding capsule. Spur shorter 

 than tube of coroUa. p. 6, 7- Stony. Cors. 



2. Cymbalaria. Hairless. L. cordato- 

 reuiform, distinctly lobed. Div. of Cal. lineari- 

 lanceolate, acute. Spur shorter than tube of 

 corolla, p. 6-8. Bocks and old walls. 



3. sequitriloba. Haiiy. L. cordato-reni- 

 fonn, with 3 or rarely 5 distinct lobes. Div. 



of Cal. lineari-laneeolate, shorter than capsule. 

 Spur shorter than tube of corolla, p. 6, 7- 

 Stony woods. Cors. Sard. Gorgonia. 



4. pilosa. Haiiy. L. cor dato -reniform, 

 7-11-lobed, rarely 5-lobed, Div. of Cal. nar- 

 row lanceolate, somewhat acute, shorter than 

 capsule. Spur shorter than tube of coroUa. p. 

 5-7. Moist shady rocks. K. Nap. Sic. Sard.. 



5. pallida. Hairy. L. cordato-reniform,. 

 with 3-5 rounded lobes. Div. of Cal. lineai-i- 

 lanceolate, somewhat acute. Spur longer than 

 tube of corolla, p. 7, 8. Mountains. Abruzzi. 



6. acTitangula. Quite smooth. L. cor- 

 dato-reniform, 5-9-lobed. Div. of Cal. linear, 

 acute, shorter than capsule. Spur as long as 

 tube of corolla, p. Stony. K. Nap. 



ii. L. penninerved. Plants anmial. 



7. spuria. Seeds with winding furrows. 

 Div. of Cal. ovato-lanceolate ; outer cordate at 

 base ; upper PL-stalks much longer than L. , 

 hairy. L. broadly ovate, entire, a. 7-9. 

 Fields. 



8. Hlatiue. Seeds with winding furrows. 

 Div. of Cal. lanceolate, very acute. Fl.-stoiks 

 exceeding L., hairless. L. ovato-hastate. a. 

 7-9. Fields. 



9. Prestandrese. "Stems procumbent. 

 Lower L. ovate, opposite ; others hastate. PI. 

 axillary, on long stalks. Stalks slender, nearly 

 smooth, spreading, exceeding L. Div. of Cal. 

 lanceolate, as long as capsule. Seeds pitted. 

 a. 8, 9. Moist coasts. Sic. Fl. large, as in 

 L. grseca." — Benth. L. commutata of Koch 

 is put by Bentham with Elatine, hit it appears 

 to me to be this plant. I add Koch's cha- 

 racter : — 



commutata. L. hastate ; lower obovate. 

 Spur somewhat hooked. Pl.-stalks smooth. 

 a. 8, 9. Fields. Istria. Isl. of Brioni. 



10. cirrbosa. Seeds tubercled. Div. of 

 Cal. lineari-laneeolate, acute. Fl. much smaller 

 than those of L. Elatine. Pl.-stalks far exceed- 

 ing L., hairless. L. hastato-sagittate, narrow. 

 a. 5-7. s. Pi-. It. 



11. grssca. Seeda tubercled. Div. of Calv 

 linear, very acute. Fl. much larger than those 

 of L. Elatine. Pl.-staUis far exceeding L. L. 

 ovato-hastate. a. 7-9. s. Eur. 



12. alsinifolia. Seeds tubercled. Div. 

 of Cal. Uneari-lanceolate, very acute. Pl.-stalk 

 falling short of L. -stalk. L. ovate, cordate, or 

 hastate, a. Sard, and islands between Sard, 

 and Cors. 



