FIGWORT FAMILY 811 



Anthers 2-celled (Subgenus Euorthocarpus) . 



Lower lip of corolla more or less 3-saccate; seed coat loose-fitting except in campestris. 



Bracts green throughout; lower lip deeply 3-saccate; galea equaling or barely exceeding lower lip; teeth 



inconspicuous. I- Cordylanthoides. 



Bracts tipped with purple or yellow; galea exceeding lower lip; teeth erect. II. Castillejoides. 

 Lower lip of corolla simply saccate or nearly so; seed coat tight-fitting or ridged. III. Monosaccus. 

 Anthers 1-celled; seed coat tight-fitting or ridged (Subgenus Triphysaria) . IV. Eutriphysakia. 



I. Cordylanthoides. 



Lower cell of anthers one-fourth or one-fifth as long as upper cell; bracts entire. 1. O. campestrts. 



Lower cell of anthers not less than one-half as long as upper cell; bracts cleft into linear or lanceolate lobes. 

 Galea finely pubescent or puberulent, not white-villous. 



Lower lip of corolla 5-8 mm. wide. 2. O. lithospermoides. 

 Lower lip of corolla 4 mm. wide or less. 



Ventral margins of galea pubescent; sacs of lower lip 3-S mm. deep. 3. O. lacerus. 



Ventral margins of galea glabrous; sacs of lower lip about 2 mm. deep. 4. O. kispidus. 



Galea densely white-villous. S. O. lasiorhynchus. 



II. Castillejoides. 



Corolla wider above, lower lip more than 2 mm. deep; spike usually broad and conspicuous. 

 Stems pubescent or nearly glabrous; spike showy. 

 Galea nearly straight, pubescent. 



Leaves oblong, more than 3 mm. wide, entire or with rounded teeth; stems ijsually ascending or 

 the plants forming mats. Saline situations. 6. O. casttllejoides. 



Leaves lanceolate, less than 3 mm. wide, with linear divisions, attenuate; stems erect. 



7. O. densxftorus. 



Galea hooked at tip, densely bearded; stems purple; leaf-divisions filiform. 8. O. purpurascens. 



Stems villous-pubescent above; spike pale. Sierra Nevada foothills. 9. O. lincarilobus. 



Corolla linear, lower lip 2 mm. or less deep; spike narrow, pale and rather inconspicuous. 



' 10. U. attenuatus. 



III. Monosaccus. 



Bracts and calyx glandular-pubescent; bracts gradually differing from upper leaves; style glabrous. 



Corolla yellow; lower lip relatively shallow, 3.5-4 mm. long. 11. O. luteus. 



Corolla rose-purple; lower lip relatively deep, 5-7 mm. long. 12. O. bracteosus. 



Bracts and calyx not glandular; bracts abruptly differing from upper leaves; style microscopically pubescent 

 except in barbatus. 

 Galea pubescent, even at tip. 



Lower bracts prominently margined with flattened white hairs; galea distinctly hooked; leaves filiform 



or filiform-lobed, gray-green. 13. O. tenmfolxus. 

 Lower bracts not prominently margined with hairs. 



Galea straight, triangular, tip bearing a bearded tuft of hairs. 14. O. barbatus. 



Galea curved, margin inroUing, tip pubescent; leaves linear-lanceolate or linear-lanceolate-lobed, 

 deep green. 



Corolla 20-25 mm. long; galea exceeding lower lip by 3-5 mm. IS. O. cuspidatus. 



Corolla 12-15 mm. long; galea equaling or exceeding lower lip by less than 2.5 mm. 



16. O. Copelandtt. 



Galea puberulent, glabrate at very tip. 



Corolla 20-30 mm. long; tip of galea inflexed 1 mm., galea surpassing lower lip 2.5-3 mm. 



17. (J. pachystacnyus. 



Corolla 10-18 mm. long; tip of galea inflexed 0.5 mm., galea surpassing lower lip about 1 mm. 



18. O. ttnbrtcatus. 



IV. EUTRIPHYSARIA. 



Stamens shorter than galea; each lobe of lower lip less than 1.5 times deeper than long. 



Branches divergent from the erect central axis; flowers showy, usually conspicuously exserted; galea straight 

 or gradually curved; bracts pinnatifid. 

 Galea purple; herbage pubescent. 19. O. erianthus. 



Galea yellowish; herbage glabrous, or puberulent within inflorescence. 20. O. faucibarbatus. 



Branches many, weak, ascending from base, the central axis indistinct; flowers minute, inconspi^cuous; galea 

 sharply curved; bracts often bipinnatifid. -1- U. pustltus. 



Stamens exceeding galea; each lobe of lower lip a deep sac, 1.5 times deeper than long. ^^ ^ fioribundus 



1. Orthocarpus campestris Benth. Field Orthocarpus. Fig. 4823, 



Orthocarpus campestris Benth. PI. Hartw. 329. 1839. 



Orthocarpus columbinus M. E. Jones, Contr. West. Bot. No. 8: 37. 1898. 



Orthocarpus campestris var. succulentus Hoover, Leaflets West. Bot. 1 : 228. 1936. 



Stem simple or branched, 1-2.5 dm. high, the herbage glabrous below Leaves entire, nar- 

 rowly linear-lanceolate, 1.5-4 cm. long; spike dense, much elongated to subglobose ; bracts like 

 the leaves but shorter, glabrous, ciliate, or somewhat hirsute at base; calyx strongly hirsute, 

 2-cleft to the middle, each division 2-cleft halfway with subulate teeth; corolla bright yellow, 

 sometimes whitish, 15-25 mm. long, lower lip very ample, abruptly widening from the narrow 

 tube, 4-5 mm. long, 3-5 mm. deep, villous within anteriorly, the oblong teeth 15-2 mm long; 

 galea straight, narrow, slightly surpassing the lower lip ; anthers 2-celled, the lower cell much 

 reduced or vestigial. 



Bottoms of winter pools and low moist ground. Upper Son^ran and Arid Transition Zones; Harney and 

 Lake Counties, Oregon, to Fresno County, California. Type locality: Sacramento Valley. May-July. 



