CELASTRINEA. 191 
| 8. MORTONIA. 
Mortonia, A. Gray, Pl. Wright. i. p. 35, et 11. p. 28; Benth. et Hook. Gen. Plant. i. p. 368. 
The genus is confined to America; and the following are all the known species. 
1. Mortonia effusa, Turcz. in Bull. Soc. Nat. Mose. 1858, 1. p. 453. 
Mexico (Berlandier, 2119). 
2. Mortonia greggii, A. Gray, Pl. Wright. i. p. 35 in adnot., t. 4. 
Tuxas—Nortu Mexico, Rinconado &c. (Gregg). Hb. Kew. 
8. Mortonia palmeri, Hemsley, Diag. Pl. Nov. pars alt. p. 24. 
Foliis crassis lineari-obovatis vel fere clavatis mucronatis 6-8 lin. longis, floribus dense cymosis, 
calycis tubo vix costato, lobis rotundatis cuspidatis late diaphano-scariosis, petalis fere orbicu- 
laribus integris, fructibus oblongo-cylindricis quam calyx duplo longioribus. . 
Frutex ericoideus, glaberrimus, ramis graciliusculis. Folia vix petiolata, conferta, appressa, crassa, 
lineari-obovota vel fere clavata, 6-8 lin. longa, mucronata, margine recurvo. Flores parvi, albi, 
ad apices ramulorum dense cymosi, basi bibracteolati, cum pedicellis breviusculis articulat; 
cyme pauciflore, pedunculis compressis, bracteis bracteolisque minutis ; calycis tubus vix 
costatus, lobi rotundati, cuspidati, late diaphano-scariosi ; petala fere orbicularia, integra, vix 
1 lin. diametro. Fructus oblongo-cylindricus, stylo indurato coronatus, 2-23, lin. longus. 
Norra Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 
109). Hb. Kew. 
4. Mortonia scabrella, A. Gray, Pl. Wright. ii. p. 28. 
Tuxas.—Norti Mexico, Sonora (Thurber), near San Pedro (Wright), mountains of 
_ El Paso and Chihuahua, opposite San Elceario (Parry & Bigelow). Hb. Kew. 
. 9. GLOSSOPETALON. 
Glossopetalon, A. Gray, Pl. Wright. ii. p. 29; Benth. et Hook. Gen. Plant. i. p. 368. 
The only species. 
1. Glossopetalon spinescens, A. Gray, Pl. Wright. ii. p. 29, t. 12. 
Tuxas, Uran, &c. to—Norra Mexico, mountains of Chihuahua (Bigelow). Hb. Kew. 
10. WIMMERIA. 
Wimmeria, Schl. in Linnea, vi. p. 427; Benth. et Hook. Gen. Plant. i. p. 369. 
~ A Mexican genus of five described species. 
1. Wimmeria concolor, Ch. et Schl. in Linnea, vi. p. 428; nec Hook. Ic. PL 
iv. t. 356. | 7 | 
Norra Mexico, San Luis Potosi to Tampico (Palmer, 1041); SoutH MEXxIco, near 
Colipa (Schiede & Deppe). Hb. Kew. re 
