ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS. 5 
Data concerning specimens used for illustrations. 
Name of species. Locality. | Collector. | Nos. | Date. | ‘rian 
O. 
Pl. I. Malvaviseus lanceolatus..| Chicharras .......-) Nelson .. 3807 | 1896 ceeeeee 
I]. Neotreleasea brevifolia...\...-.-..2.22----+--- | weee ee eeee [eeeeeeleeneee | weeeeee 
IL. Potentilla rydbergiana...) Mountains nearPa- Pringle... 7646 > 1898 371990 
chuea. | | | 
IV. Potentilla madrensis.....| Mountains of Tepic.| Rose --- . 2096 | 1897 | 300996 
V. Cologania capitata ...2..\..--- do ........---...--do ...) 3459 1897) 302458 
VI. Crotalaria viminalis..... Cuernavaca ...--.-- ....do.. _| 4341. 1899 | 346298 
VIL. Lupinus submontanus ...) Mount Orizaba...-- ....do ...| 5678 1901 | 395448 
VIII. Indigofera platycarpa .... Near Iguala....---- Pringle . ; 8399 1900 | 396660 
IX. Phaseolus oaxacanus ....| On Sierra de San |....do .. | 58l4a 1894 | 372011 
Felipe. | | 
X. Phaseolus pedatus....--- | Near Iguala....-.-- ..--do .- - 8367 | 1900 | 371916 
XT. Colubrina megacarpa...., Near Tehuacan..--. Rose .... 5852 1901 | 395639 
XII. Seurauja pringlet.....-- | Sierra de San Felipe.| Pringle.. 4668 | 1894 | 253053 
Fig. 1. Polianthes tuberosa..... In cultivation ...... Rose .... 4114 1898 | 899945 
2. Polianthes palustris ....| Foothills of Tepic ..|.---do ... | 1948 1897 300835 
3. Polianthes durangensis..| Sierra Madre of |....do ~~ i 8915 1897 802492 
Durango. | 
4. Polianthes geminiflora ..| In cultivation ....-- -.--do ... 3761 | 1898) 899944 
5. Acacia ambiqua ....--- Matamoras .....--- Rose .... 4698 | 1899 366681 
8. Acacia unijugd..------ Tampico..........- Pringle. | 6989 |....-- 396667 
V1. Aspicarpalanata.....- Guadalajara ....-.- ..--do.. .| 4422 | 1893 | 301158 
| 
The types of all the new species described in the following pages are 
in the National Herbarium unless otherwise stated. Where more than 
two collections or specimens are cited, the type is indicated usually by 
the word type following the number cited. 
The drawines from which these illustrations have been made are the 
work of Mr. Frederick A. Walpole and Miss Anna Snyder. 
COMMELINACEAE. 
NEOTRELEASEA. 
Since the publication of my genus Treleasea, it has come to light“ 
that the name then given is a homonym of Treleasia Spegazzand.? 
A change being thus necessitated and Treleasiella having also been 
¢T am under obligations to Mr. Ernst A. Bessey, of the United States Department 
of Agriculture, for calling my attention to this fact. 
bRevista de la Facultad de Agronomia y Veterinaria La Plata 2: 255. 1896. 
