78 Contributions from the Gray Herbarium 



glabrous, L.2 nun. deep, the umbo 0.0 nun. deep, with slightly up- 

 turned dorsal end, the lateral lobes oblong, appressed. Brandeg. 

 Proc. Calif. Acad. Sci. II. ser. ii. 130 (1889); Chod. Bull. Herb. 

 Boiss. i. 355 (1893). Lower California: San Fernando, 18 

 May 1889, Brandegee (G). T. 2. Fig. 53. 



Subgenus VI. ORTHOPOLYGALA (Chod.), comb. nov. 



Sepals herbaceous, free, persistent. Wings petaloid, persistent. 

 Keel bearing an infra-apical 2-many-lobed fimbriate crest. Upper 

 petals united to stamina! tube and keel below. Stigmata various. 

 ( Japsule usually oval or elliptic, not or scarcely winged. Seed 

 pubescent or rarely glabrous. Aril with usually corneous apex and 

 two lateral appressed lobes, sometimes very minute. Polygala 

 L. sect. X. Orthopolygala Chod. Arch. Sci. Phys. Nat. Geneve xxv. 

 698 (1891); Monog. ii. 120 (1893). Polygala sect. V. Timutua 

 DC. Prod. i. 327 (1824). 



a. Capsule very narrowly or not margined, both cells dehis- 

 cent Sect. 1. Timutua. 



b. Hairs of seed glochidiate Ser. y. Glochidiatae, p. 90. 



b. Hairs of seed not glochidiate, c. 



c. Petals joined into a slender tube more than twice as 

 long as wings; aril rather large, cellular, equitant, 



not lobed Ser. f. Incarnatae, p. 101. 



c. Petals and aril otherwise, d. 



d. Hairs long, forming a silky coma at base of the conic 



seed Ser. 8. Trichospermae, p. 92. 



d. Seed short-pubescent or rarely glabrous, e. 



e. Flowers tiny, slender-pedicelled (except in P. gra- 

 cillima, which has long dense very slender ra- 

 cemes), in long loose racemes; leaves nearly 



all alternate Ser. e. Tenues, p. 96. 



e. Raceme very dense, thick, the wings much larger 

 than the keel; leaves alternate or whorled. 



Ser. /?. Timoutoideae, p. 89. 

 e. Raceme dense to loose, the wings never much 

 larger than the keel; leaves in most species 



more or less verticillate Ser. a. Galioideae. 



a. Capsule with narrowly or rather broadly winged dehiscent 

 upper cell and marginless usually indehiscent lower cell. 



Sect. 2. Monninopsis, p. 102. 



Sect. 1. Timutua DC. (ampl.). Both cells of the marginless or 

 narrowly margined capsule dehiscent, equal. Polygala L. sect. 

 Timutua DC. Prod. i. 327 (1824); Polygala sect. Orthopolygala 

 subsect. I. Chod. Monog. ii. 123 (1893). 



Ser. a. Galioideae Chod. Leaves in most species whorled at 

 least below, sometimes all alternate; racemes dense to loose; seed 



