Plante Lindheimeriane. 39 
346. Gatium vireatum, Nutt. Prairies. April. 
247. Diopia rricocca, Torr. & Gr. Fl. If. p. 30. Fertile 
places in the prairie, sixteen miles west of San Felipe. (Also 
collected by Dr. Wright.) June. Cespitose, depressed, and 
very much branched. All the specimens examined are tri- 
carpellary. 
248. Spicevia Texana, A. DC. Prodr. 1X. p. 5. (Ceelos- 
tylis, Torr. & Gr.) Shady woods along the Mill-creek west 
of San Felipe. July. 
249. Aster Drummonnu, Lindl. Shady, moist woods 
and thickets. September— October. This species exhibits 
many varieties, in respect to pubescence, and smoothness or 
roughness. Among them the A. urophyllus and A. hirtellus 
of Lindley, are probably to be identified. 
250. Cumropappa asterowwes, DC. Dry prairies. April 
to July. 
petalis (40-50) lineari-oblongis margine fimbriato-laceris apice bifidis aristatis ; 
staminibus numerosissimis equalibus inclusis e toto tubo ortis stylo compresso 
brevioribus ; stigmate irregulariter 14-17-fido.—On deserted ant-hills, near the 
Colorado River. Oftena foot in diameter: our specimens are eight or nine inches 
in diameter, and four or five inches high. Spines strongly annulate, stout, the 
larger ones often two inches long. Flowers about two inches in length, twelve or 
more aggregated in the woolly centre. The petals at the base are scarlet, verging 
to orange, from which a pale purple or violet midrib extends to the apex, and is pro- 
longed into a delicate bristle of the same color, while the upper part of the petal is 
pearly white, with feathery margins. The flowers remain for three days, expanding 
only in bright sunshine. 
7. Cereus caHspitosus (n. sp.): ovato-glubosus demum cylindricus, apice de- 
presso-umbilicatus ; costis sub-15 e tuberculis confluentibus ortis rectis; aculeis 
numerosis ex areola oblonga albo-tomentosa demum glabrata radiatis nunc recurvis, 
lateralibus longioribus ; floribus ex axillis tuberculorum anni prioris lateralibus ; ova- 
tio oblongo tuberculis e lana villosa spinigeris stipato; sepalis 40-50 apice spinis 
setiformibus villoque coronatis virescentibus, intimis lanceolatis acuminato-aristatis 
glabris coloratis ; petalis 30-40 apicem versus ciliato-denticulatis, exterioribus subito 
acuminatis, interioribus obtusis cuspidatis ; staminibus inclusis stylo brevioribus ; 
stigmate viridi infundibuliformi 13-partito.— Gravelly soil, near Cat-Spring, west 
of San Felipe. A singular reduced Cereus, quite cespitose, and even proliferous 
occasionally, in the manner of Opuntia, beginning to flower when only two inches 
high, and scarcely taller than broad, but attaining the height of at least six inches ; 
the ribs from twelve to seventeen. It is in flower for two days; the flowers about 
two inches broad when fully expanded. Petals rose-purple. Filaments reddish at 
the base, yellow at the summit.” ENGEL. 
