282 SCROPHULARINE^E. 



lower entire: spike dense, at length cylindric; bracts about equalling the 

 fl., the linear lobes with purplish and white tips: corolla 1 in. long or 

 less, purple and white, the teeth of the moderately inflated lower lip 

 shorter than the upper. Common on hills or in lower lands. 



3. O. castilleioides, Benth. More slender, with ampler foliage, the 

 broader denser spikes soft-hirsute: leaves narrowly lanceolate to oblong, 

 entire or laciniately cut into rather short obtusish lobes; bracts more 

 dilated and cuneate than the leaves, equalling the fl., herbaceous, white- 

 or yellowish-tipped: corolla 2 in. long, dull white, often purplish-tipped; 

 lower lip well inflated. Common along the borders of salt marshes. 



4. 0. purpurascens, Benth. Erect, stoutish, 1018 in. high, usually 

 with several ascending branches, hirsute with copious white hairs: leaves 

 once or twice pinnately parted, above the linear or lanceolate base, into 

 narrow-linear divisions : spikes dense, at length cylindric : bracts about 

 equalling the fl., their laciniate-lobed divisions and those of the calyx- 

 lobss tipped with crimson-purple: corolla 1 in. long; the tube whitish or 

 yellowish; lower lip with 3 sacs at its broad apex, these not larger than 

 the short rounded recumbent teeth or lobes; upper lip long, obtuse and 

 hooked at the apex, densely red-bearded. Fields and hillsides. 



* * Lower lip of corolla conspicuously 3-saccate, much larger than the 

 slender upper one; floral bracts not petaloid-colored at tip. 



5. 0. pnsillus, Benth. Small very slender branching red-purple herb 

 3 5 in. high: leaves 1 2-pinnatifid, the floral 3 5-parted into filiform 

 segments, exceeding the scattered inconspicuous dark red flowers: corolla 

 glabrous, 2 3 lines long; upper lip longer than the 3-lobed lower one: 

 capsule globular. Forming low dark red patches in moist grassy lands. 



6. 0. floribiindus, Benth. Glabrous, 48 in. high, slender, sonle- 

 what corymbosely branching and erect: leaves pinnately parted at apex 

 into many linear-filiform divisions: spikes rather dense; bracts not 

 exceeding the calyx: corolla very pale yellow; lower lip strongly 3-sac- 

 cate, the teeth lanceolate, erect; stamens at length well exserted from the 

 upper lip. Hilltops about San Francisco. 



7. 0. faucibarbatus, Gray. Stoutish and rather tall (1 ft. high), 

 fastigiately branching, glabrous, or the inflorescence with some hirsute 

 hairs; herbage invariably green and slightly fleshy : spikes long and dense; 

 corolla slender, \ in. long, even the sacs relatively small, the folds within 

 villous-bearded, color either sulphur-yellow or white with a pinkish 

 tinge: stamens not exserted. In moist meadows of the Coast Range; 

 the albino state more common in Santa Cruz Co. 



8. 0. eriantlms, Benth. Smaller and more slender than the last? 

 bat with as many fastigiate branches, soft-pubescent; herbage, or at least 

 the stem and bracts dark reddish: corolla deep sulphur yelloiv, the acute 



