SCROPHULARIACES. 95 
5. A. Coulterianum, Benth. Leaves linear to oval, distinct: spike dense, 
6 A. Orcuttianum, Gr. More slender: spike loose: corolla smaller, 4 lines long. 
7. A. Nevinianum, Gr. Similar, but seeds ribbed not honeycomb-pitted. 
8 A. subcordatum, Gr. Leaves sessile, each subtending a flower and branchlet, 
9. A. Nuttalianum, Benth. Leaves petioled: pedicels often long as violet corolla, 
10, A. vagans, Gr. Very diffuse: broad upper sepal equaling corolla-tube. 
Var. Bolanderi, Gr. Leaves orbicular on branchlets: upper sepal broader. 
11, A, Breweri, Gr. Similar: slender corolla-tube exceeding upper sepal. N,. Cal. 
12, A. strictum, Gr. Corolla violet-purple, palate hairy. Santa Barbara, 
4. MOHAVEA, Gray. 
LM. viscida, Gr. Very viscid: lower leaves opposite: corolla yellow, purple dotted. 
5, COLLINSIA, Nuttall. 
© Flowers on short pedicels or sessile in axillary whorls, 6-8 lines long. 
CoroYta strongly declined, the throat as broad as long, nearly or quite at right angles with 
the short tube: gland sessile............ sce cee cee cc ence rene r ee eeeeteeees 1,2 
Corolla less declined, throat narrower, leaves obtuse.......2..2.ceeeeeceeecee 3, 4, 5 
** Flowers but little longer or not as long 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.......... 9to 12 
1. ©. bicolor, Benth. Upper corolla lip recurved, paler than the violet lower lip. 
2. C, tinctoria, Hartweg. Stains brown: corolla purple-striped, upper lip very short. 
3. C. bartsiefolia, Benth. Leaves crenate, obtuse: calyx often white-hairy. 
4. ©. corymbosa, Herder. Branching: flower clusters nearly capitate, N. Cal C’st. 
5. ©. Greenei, Gr. Corolla rich violet or lavender; upper lip short; side lobes small. 
6. C. grandiflora, 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. ©. sparsiflora, F.& M. Slender: only upper flowers in 3’s, 4-g in. long. 
Var. divaricata. Only 2 or 3 in. high: flowers smaller, solitary. S. F. Bay. 
8. ©. linearis, Gr. Paniculately branched: leaves very slender: pale corolla dark- 
dotted. N. Cal. 
9. GC. 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. 
ll. ©. Childii, Parry. Stem similar: corolla light blue. In forests 8. Cal. 
12. ©. Torreyi, Gr. Much branched: flowers in 3’s and 6’s, blue or violet. 
6. TONELLA, Nuttall. 
1, &. collinsioides, Nutt. Diffuse: flowers on slender pedicels, a line long, 
