LIST OF HERBACEOUS PERENNIALS 



67 



IACTUCA Con. 

 L. giganteum. 



Syn. Mulgedium giganteum. 

 PL, 1908. 



*L. perennis, L. Europe. 



PL, 1903. Hardy. Ht. 14 to 24 ft. 

 Fl. bluish lilac ; June 15 to 

 July 5 



LAPORTEA, GAUD. 



(Urticacece.) 

 L. canadensis, GAUD. Wood-nettle. 



North America. 



PL, 1895. Hardy. Ht. 24 to 34 ft. 

 Fl. greenish; Aug. 



LATHYRUS, L. 



(Leguminosce.) 

 **L. Drummondii, HORT. HAB? 



PL, 1897. Hardy. Ht. 5 to 6 ft. 

 FL brick red; June 3 to July 28. 



L. Gorgoni, PARL. Sicily. 

 PL, 1907. 



L. grandiflorus, SIBTH. & SM. Ever- 

 lasting Pea, Two-flowered Pea. 

 South Europe. 

 PL, 1905. Half hardy. 



**L. latifolius, L. Common Everlasting 



Pea. Europe. 



PL, 1894. Hardy. Ht. 64 to 7 ft. 

 Fl. rose; June 23 to Aug. 27. 



L. latifolius albus. 

 PL, 1908. 



L. latifolius Scarlet. 

 PL, 1907. 



L. latifolius Splendens. 

 PL, 1907. 



L. luteus, BAKER. Europe, &c. 

 PL, 1907. 



L. montanus, BERNH. Heath Pea. Eu- 

 rope. 



Syn. Orobus luteus > L. 

 PL, 1907. 



L. niger, BERNH. Black Pea, Black Bit- 

 ter Vetch. Europe, &c. 

 Syn. Orobus niger, L. 

 PL, 1895. Hardy. Ht. 1 to 14 ft. 

 FL rosy purple ; June 5 to July 7. 

 73054 



LATHYKUS Con. 



L. pratensis, L. Meadow Pea. North- 

 ern temperate regions. 

 PL, 1907. 



L. pyrenaicus, Jord. = L. sylvestris. 



L. rotundifolius, WILLD. Persian Ever- 

 lasting Pea. Orient. 

 PL, 1905. Tender. 



L. Sibthorpii, Baker. = L. undulatus. 

 PL, 1907. 



L. sylvestris, L. Flat Pea. Europe. 

 Syn. L. pyrenaicus, Jord. 

 PL, 1907. 



L. sylvestris Wagneri. 



PL, 1895. Hardy. Ht. 6 ft. Fl 

 rose and purple ; June 18 to 

 Aug. 12. 



L. undulatus, Boiss. Shores of Darda- 

 nelles. 



Syn. L. Sibthorpii, Baker. 

 PL, 1907. 



**'*!. vernus, BERNH. Spring Bitter 



Vetch. Europe, &c. 

 Syn. Orolus vernus, L. 

 PL, 1898. Hardy. Ht. 1 to 14 ft. 



Fl. bluish violet and purple; May 



4 to May 31. 



*L. vernus albus. 



PL, 1903. Hardy. Ht. 1 ft. FL 

 dull white; May 15 to May 28. 



L. vernus albus roseus. 

 PL, 1908. 



L. vernus roseus. 

 PL, 1908. 



LAVATERA, L. 



(Malvaceae.) 



L. thuringiaca, L. South Europe. 

 PL, 1903. Hardy. Ht. 5 ft. Fl. 

 pink; June 30 to Aug. 21. 



LEONTOPODIUM, E.BR. 



(Composites.) 

 L. alpinum, CASS. Edelweiss. Europe, 



&c. 



PL, 1905. Half hardy. Ht. 6 in. 

 FL yellow, among white floral 

 leaves; June and July. 



L. alpinum bimaculatum. 

 PL, 1895. Half hardy. 



