SCROPHDLARIACE^. 98 



S. A. Coulteiianum, Benth, Leavea linear to oval, diatinct: spike dense. 



8. A. Orcuttianum, (jr. More slender: spike loose: corolla smaller, i lines long, 



7. ■&. Nevinianum, Gr. Similar, but seeds ribbed not honeycomb-pitted. 



8. A. subcordatum, Gr. Leaves sessile, each snbtending a flower and branchlet, 



9. A. Nuttalianuiu, Benth. Leaves petioled: pedicels often long as violet corolla. 



10. A. vagana, Gr. Very diffuse: broad upper sepal equaling corolla- tube. 

 Var. Bolanderi, Gr. Leaves orbicular on branohlets: upper sepal broader. 



11. A, Breweri, Gr. Similar: slender corolla-tube exceeding upper sepal. N. CaL 

 SHST a. strictuio, Gr. Corolla violet-purple, palate hairy. Santa Barbara. 



4. MOHAVEA, Gray. 

 I, Bt ▼iscida, Gr. Very viscid: lower leaves opposite: corolla yellow, purple dotted. 



5. COLLIHSIA, Nuttall. 



• Floimra on short pedicels or sessile in amllary whorls, 6-8 lines long. 



CoroHa strongly declined, the throat as broad as long, nearly or quite at right ajigles with 



the short tube: gland sessile 1, 2 



Corolla less declined, throat narrower, leaves obtuse 3, 4, 5 



* * Flowers but little longer or not as Umg as the pedicels. 



Corolla usually more than 5 lines long, strongly declined sepals acute 6, 7, 8 



Corolla mostly less than 4 lines long: lips nearly equal: stems slender 9 to 12 



1. 0. bicolor, Benth. Upper corolla lip recurved, paler than the violet lower lip. 



2. C. tinotoria, Hartweg. Stains brown: corolla pnrple-striped, upper lip very short. 



3. C bartsiaefolia, Benth. Leaves crenate, obtuse: calyx often white-hairy. 



4. 0. corymbosa. Herder. Branching: flower clusters nearly capitate. N. Cal C'st. 



5. C. Greenei, Gr. Corolla rich violet or lavender; upper lip short; side lobes small. 



6. 0. gprandiflora, Dougl. Flowers in whorls of 3 to 9: lower lip deep blue or violet 

 Var. pusilla, Gr. Small form: corolla only 4 or 5 lines long, deeply colored. 



7. C. sparsiflora, F. & M. Slender: only upper flowers in 3's, J-f in. long. 

 Var. divaricata. Only 2 or 3 in. high: flowers smaller, solitary. S. F. Bay. 



8. C. linearis, Gr. Panioulately branched: leaves very slender: pale corolla dark- 

 dotted. N. Cal. 



9. C. parviflora, Dougl. Often diffuse: corolla little exserted, 2 or 3 lines long. 



10. C. Rattani, Gr. Stem strict, mostly simple: corolla lips violet, 1-2 lines long. 



11. C. Childii, Parry. Stem similar: corolla light blue. In forests S. Cal. 



12. O. Torreyi, Gr. Much branched: flowers in 3's and 6's, blue or violet. 



6. TONELLA, NuttaU. 

 I. T. collinsioides, Nutt. Diffuse: flowers on slender pedicels, a lino h^ag. 



