A new species of Talinum, with single axillary flowers, was found for the first time in the Jornada, but was again collected further.south, towards Chihuahua. Dalea lanata. Centaurea americana, Sapindus marinata, and a Bolivaria, probably identical with a new Texan species, rought to mind the flora of Arkansas and Texas, while the gigantic Echinocactus Wislizeni,[1] reminds us again that we are approaching the
- ↑ Echinocactus Wislizeni, n. sp. giganteous, vertice vilioso-tomentoso; costis. . . . acutis crenatis; areolis oblongis, approximatis, junioribus fulvo-tomentosis, areolis oblongis, aculeis radialibus, demum cinereis, porrectis; lateralibus sub 15 setaceis elongatis laeviusculis, summis infimisque 5-6 brevioribus robustioribus, annulatis; centralibus rubellis annulatis, 3 rectis sursum versis, 1 inferiore robustissimo, supra piano, apice reflexo-hamato; floribus sub verticalibus, ovario et tubo brevi campanulato sepalis imbricatis, auriculato-cordatis 60-80 stipato; sepaiis interioribus 25-30 ovatis obtusis; petalis lanceolatis mucronatis, crenulatis; stylo supra stamina numerosissiraa breyia longe exserto; stigmatibus filiformibus 18-20 erectis; bacca ovata, lignosa, imbricato-squamosa.
Near Doñana, collected in August with buds, open flowers, young and ripe fruits on the same specimen. It belongs therefore to those Echinocacti which flower through the whole season, like E. setispinus, Engelm, (in Plant. Lindh) of Texas, while others are in flower only during a week or two in spring, e. g. E. texensis, Hpfr. In the latter, the young bunches of spines, together with the flower buds in their axills, come out at once in spring, and none more are formed during the season, while in the first they are gradually developed during the whole season. Plant 112 to 4 feet high; oval, with a smaller diameter. Areolae 6 to 9 lines long, only 6 lines distant from one another; radial spines 112 to 2 inches long; Straight central ones 114 to 112, and large hooked ones 2 to 212 inches long;
ter petiolatis repando-dentatis, racemo umbelliformi, demum laxo elongato; pedicellis eglandulosis, horizontalibus, flore longioribus, sepalis calycis aperti patulis; petalis (albis) obovatis, unguiculatis basi dilatata sub-cordatis; stigmate cordato conico; siliculis basi profundius emarginatis.
Common in sandy soil near Valverde and Fray Cristobal, north of the Jornada del Muerto; flowers in July. Plant about 1 foot high, annual or biennial; leaves ovate-lanceolate, attenuate in the short petioles, closely resembling those of some species of Gaura; pedicells filiform, longer than the flower or fruit; flowers white, about 3 lines in diameter, open; petals obovate, with a long and distinct claw, which is widened at base; filaments also thickened at base; ovary tomentose; style hardly visible, more distinct in the fruit, which is 5 to 6 lines in transverse diameter, and about half as much from base to top; the valves appear to bd closed at their attachment to the subulate solid dissepiment.
Dithyrea californica, Harv., pedicellis basi bi-glandulosis horizontalibus, flore multo brevioribus; sepaiis calcycis cylindrici clausi erectis; petalis (aureis?) lineari-spathulatis; stigmate bilobo; siliculis apice profundius emarginatis.
Easily distinguished by the characters just enumerated from the New Mexican plant; though the difference in calyx and stigma will not permit a generic separation.
