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 rstamens 4, barely 

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

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

 gon to the Eastern and Southern States. 



P. tetrantha E. L. Morris Bull. Torr. 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- 

 tipped, 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 oolong obtuse lobes with or without scarious mar- 

 gins, 1-2 lines long : corolla-lobes rounded-ovate, obtu&e, 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 the middle : seeds dark brown, deeply channelled on the face. On 

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



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

 annual: leaves linear, 1^-4 inches long, rather fleshy obtuse, entire: 

 scapes 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, calyx-lobes ovate, obtuse, about equalling the bracts : corolla-lobes 

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

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

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

 fornia to Vancouver Island. 



P. elongata 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 ovate, keeled, about a line long : sepals 

 v 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. 



£3 V YORK 



BOTANICAL 



Division III. APETAL^E. 



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. 



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

 if more than one. 



7-4 Nyetagiiiacea* Herbs with simple opposite leaves without stipules : 



7aoc £>./* /? r63—6>6>& 



A* 



