one 
& P. E. Bostick. 1969. The genus Rhexia (Melastomataceae). 
Sida 3: 387-440. 
Kron, K. A. 1989. Azalea rosea Loiseleur is a superfluous name. 
Sida 13: 331-333. 
Kriissman, G. 1981. The Complete Book of Roses. Timber Press, 
Portland, Oregon. xii, 436 pp. 
Kruschke, E. P. 1965. Contributions to the taxonomy of Crataegus. 
Milwaukee Public Mus. Publ. Bot. 3: 1-273, 
Ladd, D. 1983. Sclerochloa dura (L.) Beauv. (Gramineae) in 
Missouri. Missouriensis 4: 73-75, 
LaFrankie, J. V., Jr. 1986a. Transfer of the species of Smilacina to 
Maianthemum (Liliaceae). Taxon 35: 584-589. 
cana 
oS 
S 
2 
2. 
fe} 
5 
a 
or 
5 
3 
g 
2 
* 
= 3 
o 
Fa 
= 
5 
=F 
a 
“na 
a) 
oO 
if) 
g. 
“A 
4 monographic study. Volume 1. Veréff. Geobot. Inst. ETH 
Stiftung Riibel Ziirich 71: 1-566, 
Lane, F.C. 1953. A new color form of Triosteum angustifolium. 
Rhodora 55: 346-347, 
- The genus Triosteum (Caprifoliaceae), Ph.D. dissertation, 
Univ. of Illinois, Urbana, Illinois. vi, 158 pp. 
Lane, M. A. 1979, Taxonomy of the genus Amphiachyris (Aster- 
aceae: Astereae). Syst. Bot. 4: 178-189, 
1982. Generic limits of Xanthocephalum, Gutierrezia, 
Amphiachyris, Gymnosperma, Greenella, and Thurovia (Compo- 
sitae: Astereae). Syst. Bot. 7: 405-416, 
» R. L. Hartman & G. K. Brown. 1987. Haplopappus II: 
reality! Amer. J. Bot. 74: 741. [Abstract.] 
Lassen, P. 1989. A new delimitation of the genera Coronilla, 
Hippocrepis, and Securigera (Fabaceae). Willdenowia 19: 49-62. 
La Valva, V. & S. Sabato. 1983. Nomenclature and typification of 
0-114 
: The genus Galium (Rubiaceae) in the southeastern 
United States. Ph.D. dissertation, Univ. of Oklahoma, Norman, 
Oklahoma. x, 205 pp. 
Lebeau, J. 1974, Appellations nouvelles de Mentha (Labiatae) 
hybrides, et Proposition du rang nouveau de subhybride. Bull. 
Jard. Bot. Nat. Belg. 44: 249-257, 
Legrand, C. D. 1962. Las especies Americanas de Portulaca. 
Anales Mus. Nac. Montevideo, ser. 2, 7: 1-147, 29 pl. 
