134 SELAGINEE (Rolfe). 
{{Flowers distinctly (sometimes long) pedi- 
celled; bracts adnate to the pedicels : 
Corolla-tube 2 lin. long or under : 
Braets broad or subobtuse : 
Corolla-tube 1 lin, long : 
Braets suborbicular-ovate ... 
Bracts elliptic-oblong 
Corolla-tube 13 lin. long: 
Leaves more or less dentate 
Leaves entire . 
Bracts narrow or subacute : 
Leaves entire : 
Calyx-lobes broadly linear, often 
nearly as Jong as the bracts ... 
Calyx-lobes narrowly linear, often 
not half as long as the bracts . 
Leaves strongly dentate 
Corolla-tube 3-3 lin. long 
tt+Flowers in solitary nodding heads 
** Annuals with sessile flowers: 
Branches erect or only decumbent at the 
base : 
‘Flowers in broad or oblong heads : 
Leaves entire, linear ids a ee 
Leaves more or less toothed, lanceolate to 
spathulate: 
Leaves coriaceous a 
Leaves herbaceous : 
Leaves all more or less spathulate 
Upper leaves all lanceolate or narrow ; 
Calyx 13 lin. long ... ast 
Calyx $3 lin. long... se i 
Flowers in narrow spikes : 
Plant strongly pubescent ... 
Plant puberulous is ts é 
Branches invariably wesk and decumbent : 
Leaves broadly spathulate, toothed ... 
Leaves narrowly spathnlate, subentire —... 
eee 
Section 2. Spuria. Leaves not fascicled, generally more or less toothed, 
never heath-like ; calyx-lobes invariably elongated and narrow, often more than 
twice as long as the tube. 
Branches erect or suberect; spikes or heads 
numerous : 
Inflorescence ample and loosely corymbose_... 
Inflorescence compactly or densely corymbose : 
Leaves obovate or elliptic-oblong : 
Stems and leaves glabrous ... ‘: ‘aa 
Stems and leaves pubescent <i ere 
Leaves lanceolate or linear : 
Cerolla-tube 2-4 lin. long : 
Leaves lanceolate, never turning black 
in drying... ee iss vias 
Leaves linear or lanceolate-linear, in- 
variably turning black in drying ... 
Corolla-tube 14 lin. long ... wine is 
Branches more or less decumbent at the base; 
spikes or heads usually few or solitary : 
Calyx 1 lin. long, glabrous or nearly so 
Calyx 14-14 lin. long: 
| Selago. 
(68) peduncularis. 
(69) lepidioides, 
(70) Rustii. 
(71) Tysoni. 
(72) trinervia. 
(73) racemosa, 
(74) longipedicellata. 
(75) longiflora. 
(76) nutans. 
(77) elegans. 
(78) heterophylla. 
(79) herbacea. 
(80) cephalophora. 
(81) phyllopodioides. 
(82) hirta. 
(83) hamulosa. 
(84) decumbens. 
(85) corrigioloides. 
(86) verbenaeea. 
(87) serrata. 
(88) quadrangularis, 
(89) Burmanni. 
(90) spuria. 
(91) guttata. 
(92) ineisa. 
