590 HousE: NOMENCLATURE OF CALONYCTION 
pedicels. The type is Calonyction speciosum Choisy, * which 
includes at least the Linnaean species Convolvulus aculeatus and 
C. muricatus. The revised nomenclatorial status, therefore, of 
the two species under consideration may be presented as follows : 
¥YCalonyction aculeatum (L.) comb. nov. 
Convolvulus aculeatus L. Sp. Pl. 155. 1753. 
Ipomoea bona-nox L. Sp. Pl. Ed. 2, 228. 1762. In part.— 
Jacq. Hort. Schoenb. 1: 16.. 1797: 
Convolvulus latifiorus Desr. Encyc. 3: 537. 1790. 
Calonyction speciosum Choisy, Mem. Soc. Phys. Genev. 6: 441. 
1833.—In DC. Prodr. g: 345. 1845. In part, excl. vars. 
f and j, at least. 
Calonyction bona-nox Boj. Hort. Maurit. 228. 1837.—Small, 
PIS. 0 S.961. - 190%. 
Ipomoea aculeata. Kuntze, Rev. Gen. 442. 1891.—Blume, 
Bijdr. 715. 1825 (according to Choisy but not according 
to Kuntze).—G. Don, Gen. Syst. 4: 270. 1838. 
Convolvulus foliis cordatis, caule aculeato L. Hort. Cliff. 496. 
Convolvulus americanus, subrotundts folits, viticulis spinosis 
Pluk. Alm. 115. 
Convolvulus maximus, caule spinulis, etc. Sloane, Jam. 55; 
Hist; 1-: 15r. 
Smilax aspera Indiae occidentalis Bauh. Pin. 296. 
about 1.5 cm. long, all, or 
Type Locatity: Tropical America. 
Distripution : Florida ; western Mexico to Central and South 
America ; West Indies and the tropical regions of the Old World. 
* Choisy, 7. ¢. 
