IRIDEA, 327 
Ferraria pavonia, Linn. f. Suppl. p. 407 ; Andr. Bot. Rep. t. 178. 
Ferraria tigridia, Bot. Mag. t. 582. 
Tigridia grandiflora, Salisb. in Trans. Hort. Soc. Lond. i. p. 309. 
South Mexico, Sierra San Pedro Nolasco &c. (Jurgensen, 524), San Felipe, near 
Oaxaca (Andrieux, 81), Pedregal (Bouwrgeau, 658); Guatemata (Bernoulli, 822). 
Hb. Kew. 
Var. conchiflora, Baker in Journ. Linn. Soc. Lond. xvi. p. 136; Sweet, Brit. FI. 
Gard. t. 128; Paxt. Mag. Bot. xiv. p. 53, cum ic. color. ; FI. des Serres, tt. 908-910 ; 
Ann. Gand, 1847, t. 145. 
Tigridia oxypetala, Morison, Fl. Conspic. t. 20. 
Soura Mexico (Bullock). 
4, Tigridia vanhouttei, Roezl in Fl. des Serres, t. 2174; S. Wats. in Proc. 
Am. Acad. xviii. p. 160. 
Sout Mexico, Islapalapa (Hoezl), Guanajuato (Dugés). Hb. Kew. 
5. Tigridia violacea, Schiede ex Schl. in Otto & Dietr. Allg. Gart. Zeit. 1838, 
p. 233; Link, KI. et Otto, Ic. Pl. Rar. Hort. Berol. p. 50, t. 20. 
Beatonia purpurea, Herb. in Bot. Mag. sub t. 3779. 
Souta Mexico, Chiapas (Ghiesbreght, 819), Yucatan (Linden, 227). Hb. Kew. 
5. RIGIDELLA. 
Rigidella, Lindl. Bot. Reg. 1840, t. 16, et Misc. p. 835; Benth. et Hook. Gen. Plant. iii. p. 691. 
This genus is restricted to Mexico and Central America. 
1. Rigidella flammea, Lindl. Bot. Reg. 1840, t. 16; Paxt. Mag. Bot. vii. 
p. 247, cum icone. 
Souta Mzxico, Cumbre de Istipec (iebmann), Zimapan (Coulter, 1538), valley of 
Mexico (Bourgeau, 740), San Felipe (Andrieux, 78), near Orizaba (Bourgeau, 2852), 
Chiapas (Ghiesbreght, 825). Hb. Kew. 
2. Rigidella immaculata, Herb. in Bot. Reg. 1841, t. 68; Fl. des Serres, 
tt. 502 et 2215. 
GuatemaLa (Hartwegq). 
3. Rigidella orthantha, Lemaire in FI. des Serres, 1845, p. 107, t. 45; Paxt. 
Mag. xiv. p. 121, cum ic. color. 
Mexico (Ghiesbreght). 
It is very likely that some of the specimens in Kew herbarium, referred to the first 
species of this genus, belong to the second or third; thus Ghiesbreght’s number 825 
from Chiapas is, perhaps, BR. orthantha. 
