458 BOTANY. 



galea straight, acute, 3-4" long, but little exceeding the broad lip with its short acute teeth ; capsule 

 3-4" long, ovate-obloug.— Middle California ; frequent. 421 Fremont has purple flowers. 



5 2. ORTHOCAEPUS, Benth. Lip concave with three folds or shallow sacs, the teeth very short; 

 anthers 2-celled. 



* Bracts 5-lohed. 



9. 0. msPlDUS, Benth. Leaves linear- to ovate-lanceolate and few-lobed, or linear and entire ; bracts 

 pubescent, dilated, coarsely and acutely lobed ; Corolla 5-9" long, yellow, puberulent or glabrous, the 

 galea subulate, very acute, straight, lip somewhat saccate. See page 230. 



10. O. TENUiFOLius, Benth. Pilose-pubescent ; stems 4-12' high, slender, simple or branched above ; 

 leaves linear, deeply 3-5-lobed ; spike short and dense, 1-2' long ; bracts broad, subglabrous, hispid on the 

 margins, the middle lobe broad and rounded at the apex; calyx 2" long, the lanceolate teeth equaling 

 the tube ; corolla purplish, 6-7" long, puberulent, the galea uncinate and longer than the slightly dilated 

 3-plioate lip ; capsule 2i" long, oblong.— Oregon and Washington Territory ; Montana. 



* * Bracts 3-lobed. 



11. 0. TOLMIBI, H. & A. Puberulent, 4-18' high ; branches spreading ; leaves narrow, mostly entire ; 

 spikes short; corolla yellow, glabrous, 4-6" long, the galea uncinate; capsule retuse, few-seeded. See 

 page 230. 



12. O. LTJTBUS, Nutt. Resembling the last ; hispid; branches erect; spikes elongated; bracts often 

 entire ; corolla pubescent ; capsule many-seeded. See page 231. 



13. O. PUHPHRBO-ALBUS, Gray, Ms. in Herb, Erect, 4-12' high, strict, slender, simple or sparingly 

 branched; pubescence short and viscid ; leaves linear, i-1' long, deeply 3-lobed ; bracts similar, slightly 

 dilated at base ; spike elongated, interrupted ; calyx 3-4" long, the tube twice longer than the ovate- 

 lanceolate teeth ; corolla 8-12" long, light-purple, pubescent, the galea uncinate, 3" long, a little exceed- 

 iug the dilated 3-plicate lip ; capsule 3-4" long, many-seeded. — Collected in New Mexico by Woodhouse, 

 Newberry, and Parry. 



14. 0. BRACTEOSUS, Benth. Pubescent ; stem 6-18' high, rather slender, strict, simple or branched ; 

 leaves 1-2' long, linear or narrowly lanceolate, 3-lobed ; spilce dense, 1-3' long, the broad bracts with 

 triangular acute lobes, subhispid on the Laargiu ; calyx 2-3" long, the tube twice exceeding the teeth ; 

 corolla light-purple, 6-8" long, minutely puberulent, the galea rather short, but little exceeding the 

 dilated 3-plicate lip, uncinate ; capsule 2^-3" long, broad, flattened, very obtuse, about 15-seeded. — S. 

 Oregon to Eraser's River. 



15. O. IMBRICATOS, Torr., Ms. in Herb. Stem slender, erect, simple, 8-10' high, minutely pubescent ; 

 leaves 1' long, linear, entire ; spike very short and few-flowered ; bracts nearly glabrous, broad and 

 rounded at the apex, the lateral lobes narrow, acute ; calyx 2" long, 2-cleft below the middle, the segments 

 acutely 2-toothed, ciliate; corolla purplish, 4-5" long, nearly glabrous, the uncinate galea a little exceed- 

 ing the slightly dilated 3-plicate lip. — Collected by Dr. Newberry on Williamson's expedition in the Cas- 

 cade Mts., Oregon. 



5 3. ONCHOERHYNCHUS, Benth. Lip of the corolla slightly 3-saccate or 3-plicate, the teeth erect 

 and prominent. — The species more variable ; bracts often colored. 



16. O. attEjSTUATUS, Gray. Fac. E. B. Snrv. 4. 121. Pubescent ; stem 4-8' high, simple, strict, slen- 

 der ; leaves •i-2' long, linear, sparingly lobed or entire ; spike rather dense above, 1-4' long ; bracts 

 deeply 3-lobed, lobes long and attenuated, equaling the flowers ; calyx 4-6" long, the linear teeth shorter 

 than the tube; corolla 5-7" long, white or yellowish, subpubescent, the galea straight, acute, a little 

 exceeding the oblong teeth of the slightly dilated purplish lip ; capsule 3-4" long, oblong.^From the 

 Sacramento River to Washington Territory. 



17. 0. PURPURASCEN8, Benth. Pilose-hispid; 4-18' high, branching, rather stout; leaves 1-3' long, 

 linear or lanceolate, setaceously multifid ; spikes dense, 1-6' long ; bracts colored, 5-9-lobed, the seg- 

 ments usually dilated and short-lobed at the apex ; calyx colored, much more deeply cleft anteriorly, 

 the segments more or less deeply 2-cl6ft ; corolla purple, 7-12" long, pubescent, the galea abruptly atten- 

 uate and uncinate at the apex, pilose-crested ; the teeth rather short iind obtuse ; capsule 5-6" long. — 

 Frequent throughout California. 



Var. LATiroLius. Low and very diJfusely branched ; the lobes of the broad mtiltifid leaves dilated 

 andobtnse; calyx-lobes short. —A remarkable form occurring in salt marshes near San Francisco (6538, 

 Bolander) and in Humboldt County, California. 



18. 0. DBNSIFLORUS, Bcuth. Pubesceut, 4-12' high, branching, often corymbosely from toward the 

 base ; leaves 3-nerved, linear to ovate-lanceolate, sparingly lobed, 2-4' long ; spikes dense, 1-4' long ; 

 bracts 5-lobed, the linear segments scarcely dilated at the apex, colored ; calyx 8" long, the linear teeth 

 not or but Uttle exceeding the tube ; corolla 7-15" long, pubescent, more or less purpla or yellow, the 

 galea straight, obtuse or toothed, but little exceeding the purple lanceolate acute teeth of the lip ; cap- 

 sule 4-6" long.— Frequent throughout California. 



