Eucnide. LOASACEJO. 



237 



7. M. laBVicanlis, Torr. ^ Gray. Stout, 2 or 3 foot lii<,'li, branching; : loaves 

 latiooolato, 2 to 8 inches long : llowors seasili* on short branchos, very largo, light 

 yellow, opening iu sunshine: calyx-tube naked, tho lobes I to 1| inches long: 

 petals acute at each end, 2 to 2\ inches long, the lilanionts and slender style a little 

 shorter: capsule 1^ inches long, 3 to 4 lines in diameter: seeds very minutely 

 tuberculate, \\ lines in diameter. — Fh i. 535; Watson, Bot. King Exp. 114. 

 Bartonia Icevicaulis, Dough; Hook. Fl. i. 221, t. G9. 



From Santa Barbara ( rorrcy) to tlie Columbia River, and more frequent east of the Sierra 

 Nevada, in the valleys and on dry foot-hills, to Salt Lake and Western Wyoming. Other si)e- 

 cies of this section are common iu Colorado and New Mexico. 



8. M. tricuspis, Gray. Apparently anniial, inches high or more, rather stout : 

 leaves oblong-lanceolate, 2 or 3 inches long, acute or acuminate, coarsely sinuate- 

 toothed, attenuate at base to a petiole, the upper ovate and sessile : flowers sessile 

 on the short branches : calyx-limb half an inch long : petals broadly spatulate, 

 light yellow, 12 to 15 lines long : filaments very numerous, shorter than the calyx, 

 linear, somewhat dilated above and marked by a transverse orange band, and pro- 

 longed into two lateral linear cusps nearly equalling tho oblong-linear anther : style 

 stout and rigid, 3-cloft, equalling the stamens : capsule half an inch long. — Am. 

 Naturalist, ix. 271. 



Only two specimens have been oollectod, one at Fort Mnliavo {Cnopr.r), tlin other in S. Utah, 

 Parry. Tlie mature fruit and seed are unknown, and tlie species is probably to bo excluded from 

 this section. 



§ 4. Seeds few, oblong, pointed at base, obscurely angled, smooth ami shining, some- 

 what rugose: calyx-limb f^-cle/t to below the middle: petals 5 : Jilaments all 

 filiform: capsule nrcenlafe : leaves sessile, coarsely ]>innatifid, with revolute 

 margins : a cespitose perennial, very densely and tenaciously hispid. 



9. M. Torre3ri, Gray. Stems several from a perennial root, much branched 

 and densely tufted, 3 to 6 inches high : leaves oblong, an inch long, acuminate, 

 attenuate at base, deeply jnnnatifid with about 2 (1 to 3) lobes on each side, which 

 are acujuinate by the strong revolution of the margin : flowers solitary, axillary, 

 shorter than tho leaves : calyx-limb 3 lines long : ])etal.s oblanceolate, 5 lines long, 

 pubescent on the outside : style cleft to the middle, not twisted : capsule ovate, con- 

 tracted below tho broad summit, 2^ linos long: seeds a lino long. — Proc. Am. 

 Acad. X. 72. 



A very peculiar species, collected by Dr. Tormj iu tho dry valleys of Humboldt County, 

 Nevada, and also by Lemmon iu similar localities in Washoo County. 



2. EUCNIDE, Zuccarini. 

 Calyx-tube oblong ; the limb 5-lobed, persistent. Petals 5, \inited at base and 

 inserted on the throat of tho calyx. Stamens numerous ; fdaments all filiform, 

 adnato to tho base of tlio petals and dociduoua witli tliom in a ring. Ovary short- 

 conical at tho summit, l-cellod : stylo 5-angle(1, fi-oloft, tho loboa often twisted : 

 ovules very numerous, covering tho 5 prominent expanded i)laccnta\ Capsule 

 obovate, very many-seeded, opening by 5 valves at tho short-conical summit. Seeds 

 minute, longitudinally striate. — Annual or biennial herbs, armed with stinging 

 hairs and barbed pubescence ; leaves alternate, cordate or ovate, pctioled, lobed and 

 serratcly toothed ; flowers yellow, j)edicellcd, in terminal cymes. 



A genus of three species (or more), confined to Northern Mexico and the adjacent region ; made 

 a section of Mentzdia by Bentham & Hooker. 



1. E. urens, Parry. Stout, low, very hairy and pubosrent : leaves broadly 

 ovate, 1 or 2 inches long, cordate or rounded at base, obscurely lobed, coarsely 



