502 PROCEEDINGS OF THE AMERICAN ACADEMY. 
S. angustifolia, var. glabra, Wats. Proc. Am. Acad. xviii. 138, in part, 
not Gray.— San Luis Porost, without locality, alt. 1,840 to 2,460 m., 
1878 (Parry & Palmer, no. 760). 
2. Leaves oblanceolate, pinnately nerved. 
33. S. firma. Stems decumbent at base, glabrous below, glandular- 
pubescent in the inflorescence, 4 to 5 dm. high: leaves 4 to 8 cm. long, 0.5 
to 2 cm. broad, acute or blunt at tip, cuneate at base, crenulate-serrate, 
thick and firm, glabrous, above sublucid: peduncles elongated, 1—2-brac- 
teate; racemes becoming 3 dm. long; verticels all distinct, 3-6-flowered, 
the lowermost 5 to 8 em. apart: bracts short, broad-ovate, subulate-tipped : 
pedicels short: calyx campanulate, in anthesis 5 to 6mm., becoming 1 cm. 
long; tube twice exceeding the lobes; upper lip broad-ovate, the teeth 
subulate ; lobes of the lower lip with long subulate tips: corolla 1.5 cm. 
long, the tube slightly exserted, the dark blue lower lip with a pale spot 
in its centre and twice exceeding the puberulent blunt galea: style 
bearded. — S. glechomaefolia, Wats. l.c. not HBK.— JALIsco, on hill- 
sides, Rio Blanco, June, 1886 (Hdw. Palmer, no. 61). 
= = Upper lip of calyx entire. 
a. Glabrous: leaves oblong-lanceolate: bracts round, obtuse or short-mucronate. 
34. S. Larvis, Benth. Lab. 251, & in DC. lc. 303; Hemsl. 1. ¢- 
559; Briq. l.c. & in Engl. & Prantl, 1. c.— Not seen. Described from 
Mexico and from near Tlalpujahua, Micnoacan. 
b. Pubescent : leaves elliptic-oblanceolate or narrowly obovate: bracts ovate, long- 
attenuate. 
35. S.sinaloensis. Stems slender, 2 to 2.5 dm. high, slightly 
branched, below short- hirsute, above and in the inflorescence densely 
pubescent with long straight fine viscid hairs: leaves acutish, the uppet 
half appressed-serrate, the lower half subentire, subcuneate to a sessile 
base or obscurely short-petioled; those of the main stem 8 to 4 pairs, the 
uppermost largest, 3.5 to 6 cm. long, 1.25 to 2 em. broad, above appressed 
short-setulose or glabrate, beneath pale, minutely setulose on the nerves: 
peduncle 6 to 9 cm. long, about equalling the leafy lower portion of the 
plant; raceme becoming 1 dm. or so long; verticels 3-6-flowered, si 
lower 4 cm. apart, the upper rather approximate : bracts pilose-hispid, 
colored, soon deciduous: calyx densely pilose-hispid with fine viscid hairs, 
in anthesis 5 to 7 mm. long; the tube twice as long as the broad abruptly 
subulate-tipped lobes: corolla 1.5 cm. long, the tube slightly exserted, the 
dark blue lip with a pale spot in its centre twice exceeding the puberu- 
