^""^«' ONAGRACE^. ^^^ 



Zoo 



11. BOISDUVALIA, Spach. 

 Calyx-tube funnelforia above the ovary, deciduous; the lobes erect Petals 4 

 obovate-cuneiform, sessile, 2-lobed, purple to white. Stamens 8, tliose opposite to' 

 the petals shorter; filaments very slender, naked at base; anthers all perfect ob 

 long, attached near their base. Ovary 4-ceUed, several-ovuled : style filiform- 

 stigma-lobes short, somewhat cuneate. Capsule membranaceous, ovate-oblon.^ to' 

 linear, nearly terete, acute, sessile, dehiscent to the base. Seeds ascendin-^ "ll-w 

 (3 to 8) in one row in each cell, ovate-oblong, somewhat angled, smooth -F,ect 

 leafy annuals; leaves alternate, sessile, simple; flowers small, in leafy simi.le or 

 compound spikes. — ffi'Mo^^em § BoisdmaUa, Torr. & Gray, FI i 505- Arttsn,, 

 Proc. Am. Acad. viii. 600. ' ^"^ ^ '^ ^^^^^'"' 



folfowfng.^ ^'''"' """'^'"'^ *" ^'''"^™ ^'''''''''^ '^'''' ^^^"g two Chilian species in addition to the 



1. B densiflora Watson Canescently pubescent and more or less villous 

 often stout I- to 2 feet high: leaves lanceolate to linear-lanceolate, acumi^^' 

 most y denticulate, 1 to 3 inches long; the floral leaves usually much shorter ami 

 broader: flowers m a usually close terminal spike or numerous short lateral spike- 

 lets : calyx 1 J to 3 lines ong about half the lengtli of the petals : capsules oUe- 

 oblong, smooth or slightly vd ous, 2 to 4 lines long; cells 3-6-seeded, the parti- 

 tions wholy separating from the valves and adherent to the placenta : s^eds nearly 



2. B Torreyi, Watson. Villous throughout with short stiffish spreadino- hairs 

 rather s ender, a span or two high : leaves linear to lanceolate, usually nan-ow at 

 base, entire or somewhat denticulate, 4 to 9 lines long; the floral leaves similar 

 and scarcely smaller: flowers in a loose simple spike, very small (a line or two 

 long), puiphsh : capsules linear, acuminate, 4 to 6 lines long; cells 6-8-seeded, 

 the partitions adherent to the valves : seeds more ovate and smaller, half a line 

 long or less— &ai/oph>/tum strictum, Gray, Proc. Am. Acad. vii. 340. CEnothera 

 lorreyi, Watson, 1. c. 



Oregon {Hall) and southward in the Coast Ranges ; New Almaden, Torrcy. 



3. B. glabella, Watson. Glabrous or slightly pubescent, slender, a foot hirdi • 

 leaves ovate to oblong-lanceolate, acute, serrate, a half to an inch long ; the floral 

 bracts scarcely smaller: flowers in a simple spike, shorter than the leaves • petals 

 deep purple, less than a line long : capsules ovate-oblong, 2 to 4 lines long ; parti- 

 tions adherent to the valves : seeds 4 to 6 in each cell, linear-lanceolate, a line Ion- 

 — ttnothera glabella, IS^utt. ; Torr. & Gray, Fl. i. 505. ° 



Watm. °^ *^' ^«l^°^bi^ {Nuttall, Hall) ; Truckee and Carson River valleys, Nevada, Bailaj, 



12. GAUBA, Linn. 

 Calyx-tube prolonged beyond the obconic or clavate ovary ; the 4-parted limb 

 deciduous. Petals 4, with claws. Stamens 8, nearly equal; filaments furnished 

 with a scale-like appendage on the inside next the base ; anthers oval, versatile. 

 Ovary 4-celled : ovules 1 to 2 in each cell, pendulous : style filiform, hairy be- 

 low : stigma 4-lobed, surrounded by an obscure ring or indusium. Fruit nut-like, 

 indehiscent or splitting at the apex, obtusely 4-angled and ridged upon the sides. — 



