PLANTAGo PLANTAGINACEiE 563 



triangular, in villous forms top-shaped, cylindrical, 2-5 inches long: bracts 

 aristate to foliaceous, often 10 times as long as the flowers, linear-subulate 

 to linear, acute : flowers perfect : cal> x-lobes villous to glabrate herbaceous, 

 spatulate-oblong : corolla-lobes spreading, round-ovate :stamens 4, barely 

 exserted from the tube : capsule oblong, obtuse, circumscissile at about the 

 middle: seeds 2, brown, oblong, finely pitted. Jn fields and plains, Ore- 

 gon to the Eastern and Southern States. 



P. tetrantha E. L. Morris Bull. Ton-. Bot. Club xxvii 119. A low 

 green and purplish acaulescent glabrous to pubescent or villous annual : 

 leaves linear, entire, 2-3 inches long, about a line wide, truncately callous- 

 tiijped, sessile and with a somewhat clasping base scapes 4-6 inches high : 

 spikes oblong, 6-12 lines long, rather few-flowered : bracts scarious, with 

 rigid callous- tipped apex, )^ as long as the calyx: flowers perfect: calyx 

 pubescent, the ovate or oblong obtuse lobes with or without scaiious mar- 

 gins, 1^2 lines long : corolla-lobes rounded-ovate, obtuse, about 2 lines long, 

 white with dark brown base, spreading or somewhat reflexed : stamens 4, 

 long-exserted : capsule ovoid, 2 lines long, 2-seeded, circumscissile much 

 below tjie middle : seeds dark brown, deeply channelled on the face. On 

 dry hillsides near Grant's Pass, Oregon to California. 



P. Bigelovii Gray Pacif. R. Bep. iv, 217. Mostly glabrous and green, 

 annuitl: leaves linear, lJ^-4 inches long, rather fleshy obtuse, entire: 

 pcapes 4-6 inches high : spikes oblong or linear, densely few to many- 

 flowered, about an inch long: bracts carinate, about an inch long: flowers 

 perfect, cajyx- lobes ovate, obtuse, about equalling the bracts : corolla-lobes 

 ovate, remaining open : stamens 2, slightly exserted : capsule ovoid-oblong, 

 one half longer than the caly^, 4-seeded : seeds oblong, not hollowed on 

 the face. In brackish marshes along the coast, San Francisco Bay Cali- 

 fornia to Vancouver Island. 



P. elon^ata' Pursh Fl. 729. P. pusilla Nutt: Somewhat cinereous- 

 puberulent annual :. leaves linear-spatulate, 1-2 inches long, entire: scapes 

 l-6inches high : spikes 3-18 lines long, loosely flowered : flowers imperfectly 

 dioecious or polygamous : bracts nvate, keeled, about a line long : sepals 

 oblong, obtuse, about equalling the bracts, with broad scarious margins : 

 corolla-lobes triangular- ovate, acute, becoming erect and closed over the 

 capsule : stamens 2 : capsule short-ovoid, a little longer than the calyx, 

 circumscissile below the middle, 4-seeded: seeds elongated-oblong, dark 

 brown. In wet places, Oregon to the Eastern States. 



Division III. APETAL^, 



Floral envelopes consisting of a calyx only which is often 

 petal-like or wholly wanting. Very rarely some petals present. 



Synoptical Key to the Apetalous Orders 



A. Flowers not in aments. 

 )r, 1-celled and mostly 1-ovnled, 



74 Nyctaginacete Herbs with simple opposite leaves without stipules : 



* Ovary superior, 1-celled and mostly 1-ovnled, or carpels distinct 

 if more than one. 



