SCKOPHULARIACE.E. (riGWORT FAMILY.) 



* * Filaments pubescent ; galea densely red-bearded ; the obtuse tip incurved. 



4. O. purpurascens, Benth. Bracts and corolla usually crimson to rose-color. 

 Distinguished by the bearded, hooked galea, and large stigma. 



2. TRIPHYSARIA, Benth. Lower Up of the corolla conspicuously 3-saccate, and very much 

 larger than the slender galea, its teeth small, the tube filiform; stigma capitate, some- 

 times 2-lobed; bracts like the leaves and not colored. 



5. O. pusillus, Benth. Small and weak or diffuse, branched from the base, 3 or 4 

 inches high; leaves 1-2-pinnatifid, and bracts 3-5-parted into filiform divisions; flowers 

 scattered, inconspicuous, shorter than the bracts; corolla purplish, 2 or 3 lines long; .lip 

 moderately 3-lobed; galea soon exposing the stamens. 



6. O. floribundus, Benth. Slender, erect, 4 to 12 inches high; spike many-flowered, 

 dense above; corolla white or cream-color, half an inch long; the tube twice the length 

 of the calyx; stamens about the length of the soon open galea; the lip with 3 divergent 

 oval sacs, their scarious teeth erect. 



7. O. erianthus, Benth. Erect, a span or more high, much branched, pubescent; 

 corolla sulphur-yellow, with the slightly falcate galea brown-purple; tube 6 to 8 lines 

 long, filiform, densely pubescent, thrice the length of the calyx; the lip of 3 globular- 

 inflated sacs, 1 to 2 lines long; the galea subulate, inclosing the stamens more strictly 

 than the preceding. 



Var. roseus, Gr. Corolla rose-purple, shorter. 



8. O. faucibarbatus, Gr. Nearly smooth, less branched, and leaves with coarser 

 divisions than the last; corolla with smaller sacs and less beard within the lip; the 

 straight galea pale. 



9. O. lithospermoides, Benth. Hirsute above; stem 4 to 12 inches high, strict, 

 mostly simple, very leafy; bracts of the dense many-flowered spike about equaling the 

 flowers; corolla an inch or less long, cream-color, often turning pale rose-color; sacs 3 

 lines deep; the teeth inconspicuous; anthers 2-celled. 



11. CORDYLANTHUS. Nutt. 



Calyx of an anterior and a posterior leaf -like division, or the former wanting. Corolla 

 tubular, a little enlarging upward; the lips short and of nearly equal length; the lower 

 very obtusely and crenulately 3-toothed; the upper straight and compressed, with the 

 apex incurved. Style mostly hooked at the tip. Branching annuals with alternate nar- 

 row leaves either entire or 3-5-parted; the floral ones not brightly colored. Flowers one 

 to each bract, dull-colored, yellowish or purplish; the corolla not much exceeding the 

 calyx. 



1. ADENOSTEGIA, Gr. Calyx 2-leaved; flowers short pediceled or nearly sessile, sub- 

 tended by 2 to 4 bractlets; floral leaves and bracts tipped with a gland. 

 1. C. filifolius, Nutt. A foot or two high; leaves filiform; the lower entire, the 



