60 



128. ELATINE.. 



2. hesandra. Pet. 3. Stamens 6. L. 

 opposite, longer than stalks. Fl. on short 

 stalks, a. 6-8. With the preceding, but 

 more rare. G. Pdm. Sic. 



3. major. Pet. 4. Stamens 8. L. opposite, 

 longer than stalks. Fr.-stalk 2 or 3 times 

 as long as fruit, a. 7, 8. Rice-fields. Ver. 



4. Hydropiper. Pet. 4, vjhite. Stamens 

 8. L. opposite, shorter than stalk. PI. neaiiy 



sessile, a. 6-8. Places often covered with 

 water. Fr. G. Engl, and Irel. Very rare. 



5. xuacropoda. Pet. 4, white. Stamens 

 8. L. opposite, spatulate, much shorter than 

 haft. Lower PI. -stalks much exceeding L. 

 a. 3, 4. Inundated. Sic. Cors. Sard. 



6. Alsinastrum. Pet. 4. Stamens 8. L. 

 in whorls. PL axillaiy, nearly sessile, a. 7j 8. 

 Ponds, rice-fields. Fr. G. Ver. 



XV. LINE^. 



Sepals 5, imbricate. Petals convolute. Germen 1. Styles 5. 



129. LINUM. 



A. L. alternate. 



i. Flowers blue, rarely white. 



a. Sepals without glands, and usually 

 without cHia. Sp. 1-8. 



b. Sepals glanduloso-ciliate. Sp. 9. 

 ii. Flowers purplish, at least at base. 



a. Sepals ciliate, but without glands. 

 Sp. 10. 



b. Sepals glanduloso-ciliate. Sp. 11-15. 

 iii. Flowers yellow. 



a. Sepals without glands. Sp. 16. 



b. Sepals glauduloso-ciliate. 



* L. with a gland on each side of base. 



Sp. 17-19. 

 ** L. without glands. Sp. 20-24. 



B. L. opposite. Flowers white. Sp. 25. 



A. L. alternate. 



i. Flowers Hue, rarely white. 



a. Sepals without glands, and nearly 

 without cilia. 



1. narbonense. Sepals very acuminate, 

 twice as long as capsule. Stems smooth, erect. 

 Pan. corymbose. L. Lneari-lanceolate. p. 5-7. 

 Bry open hills, s. Fr. n. It. Adr. G. 



2. usitatissimum. Sepals all acute or 

 acuminate, about as long as capsule. Pet. 

 crenate, about three times as long as calyx. 

 L. lanceolate. Stem erect, solitaiy. a. 6. 



Escapes. 



3. angustifolium. Sepals all acute or 

 acuminate, about as long as capside. Pet. 

 about twice as long as sepals. Valves of 

 Caps, finely acuminate. L. lineari-lauceolate. 



3-nerTed, acute. Stems numerous, diffuse, p. 



6, 7. Fields and meadows. 



4. austriacuna. Sepals ovate ; inner very 

 obtuse, hardly as long as capside. Fr.-stalks 

 decurved. Stems numerous. L. linear, acute, 

 erect, p. 6, 7. Heaths and banks, s. e. G. 

 Abr. Lorr. 



5. alpinum. Sepals ovate, about two-thirds 

 length of capsule; inner very obtuse. Pan. 

 corymbose, few-flowered. Fr.-stalks erect. 

 Stems numerous. L. lineari-lauceolate, with 

 pellucid dots ; lower shorter, more crowded, 

 and often reflexed. p. 6, 7. Dry mountain 

 pastures. Alps. Pyr. Abr. 



6. Leonii. Sepals eEiptic ; outer acumi- 

 nate, about two-thirds length of capsule ; inner 

 obtuse. Fr.-stalks erect. Stems numerous. 

 L. lineari-lauceolate, mucronate ; the lower 

 shorter, more crowded, and often reflexed. p. 



7, 8. Dry hills. Lorr. — Godron. 



7. perenne. Sepals ovate, half as long as 

 capside, their margin scariose, entire ; inner 

 very obtuse. Stems numerous, ascending. L. 

 all acute, not mucronate or dotted. Caps, 

 subglobose. p. 6, 7- Chalky hills. Eng. 

 Sard. G. 



8. punctatum. Sej)als ovate, acute, half 

 as long as globose capsule. Margin scariose, 

 entire. Stems numerous, decumbent, simple. 

 L. lanceolate, with pellucid dots ; the lower 

 crowded, smaller, obtuse, often reflexed. p. 

 5, 6. Nebrodes. 



b. Sepals glanduloso-ciliate. 



9. siculuiu. Sepals ovato-lanceolate, acu- 

 minate, 8-nerved. Pet. three times as long as 

 calyx. L. lineari-lauceolate, acute, 3-nerved. 



