VOL. ‘1. | Plants from. Cape St. Lucas. 297 
branches large leaves and an abundance of magnificent flowers, and 
is common on the mesas and among the foothills from San José del 
Cabo nearly to La Paz. 
Some field notes upon the little known plants of the list may 
be of interest. 
Argemone Mexicana LE Common at the Cape, is replaced in the 
north by the white flowered A. albiflora. 
Lyrocarpa Coulteri Hook. & Harv., must be the same as the re- 
cently described Z. Xanti, for in the notes it is said to be an annua] 
with rose-colored petals. The true Z. Coulter? is perennial with 
ochroleucous flowers, and does not appear to grow about the Cape 
Region. 
Polygala Xanti, Gray, is common, and when growing among 
bushes reaches a height of four feet. The plant from Magdalena 
Island distributed as. P. Xanti is probably P. puderula. 
Sida Elliotti T. & G. var? Since raised by Dr. Gray'to specific 
rank under the name Sida Xanti, is abundant, and one of the hand- 
‘somé plants of the region, becoming frutescent, and sometimes four 
feet high. It is one of the many plants of the Peninsula that are 
Jarge in the south and gradually become smaller as their place of 
growth is more northern. 
flibiscus ribifolius, Gray. One of the new plants of the Xantus 
collection, growing straight and erect, eight to ten feet high, with 
its leaves and flowers near the top of the plant. The flowers are 
two inches in diameter and yellow. It is a common plant of the 
Cape Region. 
Gossypium sp., is probably G. whut at eed a common species of 
the region. 
- Cesalpinia Mexicana var. Californica. Gray. This appears to be 
the southern form of C. pannosa, described from near Comondu. | 
As one travels southward ‘it gradually increases in height from a 
-small-bush four to five feet high to a shrub sometimes fifteen or 
twenty feet high. 
Mimosa Xanti, Gray, is abundant in the Cape Region, esteading 
to the summits of the interior Sierras. At the beginning ‘of the 
rainy season it bears a profusion of pink flowers. 
_ Carphephorus atriplicifolius, Gray, now Bebbia atriplicifolia seems 
to be one of the plants that are small in the north and gradually 
‘becomes luxuriant southward. 
