6 NYCTAGINEH. 
3. Senkenbergia, sp. 
Nort Mexico, Sonora Alta (Coulter, 1424). Hb. Kew. 
There are only flowers of this species; and as it is uncertain which of the species, if 
either, is the same as Boerhaavia spicata, Choisy, we leave it without a name at present. 
| 7. ACLEISANTHES. 
Acleisanthes, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 259; Benth. et Hook. Gen. Plant. iii. p. 6. 
Herbs or half-shrubs, inhabiting the Texano-Mexican region. About six species are 
known. 
1. Acleisanthes anisophylla, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 261. 
Trxas.—NortH Mexico, along the Rio Grande (Schott). 
2, Acleisanthes berlandieri, A. Gr. in Am. Journ. Se. ser. 2, xv. p. 260. 
Texas.—NortH Mexico, near Monterey and Matamoros (Gregg). Hb. Kew. 
8. Acleisanthes longiflora, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 260; Torr. 
Bot. U.S. & Mex. Bound. Surv. t. 46. 
Trxas.—Nortu Mexico, Parras, Coahuila (Palmer, 1116), region of San Luis Potosi, 
6000 to 8000 feet (Parry & Palmer, 774), without locality (Gregg). Hb. Kew. 
4, Acleisanthes wrightii, Benth. et Hook. Gen. Plant. iii. p. 6. 
Pentacrophys wrightii, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 261; Torr. Bot. U.S. & Mex. Bound. 
Surv. t. 47 B. 
TExas.— Nortu Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 
773). Hb. Kew. 
8. SELINOCARPUS. 
Selinocarpus, A. Gr. in Am. Journ. Se. ser. 2, xv. p. 262; Benth. et Hook. Gen. Plant. iii. p. 6. 
Herbs or half-shrubs, restricted to the Texano-Mexican region. Four species are 
known. | 
1. Selinocarpus angustifolia, Torr. Bot. U.S. & Mex. Bound. Surv. p- 170, 
t. 47 a. 
Texas.—Norta Mexico, San Lorenzo de Laguna, Coahuila (Palmer, 1119). Hb. Kew. 
2. Selinocarpus chenopodioides, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 262. 
Norra Mexico, near Lake Santa Maria, Chihuahua (Wright, 1707). Hb. Kew. 
3. Selinocarpus palmeri, Hemsley, n. sp. (Tab. LXX.) 
Suffrutescens glaber, foliis subcarnosis teretibus, floribus solitariis pentandriis. 
Suffrutex nanus, glaber, dichotome ramosissimus, ramis brevibus, teretibus, graciliusculis. Folia 
opposita, paribus gequalibus vel subzqualibus, sessilia, subcarnosa, teretia, usque ad oF poll | 
longa, apiculata. Flores terminales vel pseudoaxillares, solitarii, brevissime pedunculati, 1} ad 
