SCBOPHULARIACE.^. (FIGWORT FAMILY.) 281 



7. GR ATI OLA, L. IIkdgk Hyssop. 



Soft-hsrbaceous and diffusely branching plants, from a creeping bane, 

 growing in wet soil : pedicels solitary and axillary, with a pair of foliiurcuiu 

 bractlets close to the calyx and ecjualling it. 



1. G. Virginiana, L. Viscid-pubernlent or more puhcsiont, or below 

 nearly glabrous, divergently branched from tlie bjuM-, a sp:in or k-s* high : 

 leaves commonly ghil)rous, oblong-lauceoUite, acute, from entire to denticu- 

 late-serrate, mostly narrow at ba.se ; corolla 4 or 5 lines l«jng, with yollowi.sh 

 tube barely twice the length of the calyx; lobes nearly white, the two upj>er 

 emargiuate. — Across the continent. 



8. LIMO SELLA, L. Mudwort. 



Small, glabrous plants, with fibrous roots and a duster of entire fle:<hy 

 leaves at the nodes of the stolons, and short scape-like naked pedicels fronj 

 the axils, bearing a small and white or purplish flower. 



1. L. aquatica, L Tufts an inch or two high: clustcrod h-iivos lonnf-r 

 than the pedicels, when scattered on sterile shocjts alternate, in the typiial 

 form with a spatulate or oblong blade on a distinct petiole ; this in nnnl rather 

 short, in water elongating to the length of 2 to 5 inches. — From lIu<lson 

 Bay to S. Colorado, and westward to the ISierras. 



9. SYNTHYRIS, Benth. 



Leaves largely radical and petioled ; those of the simple .stem or scape and 

 the bracts alternate: flowers small, purplish or fle.sh-coh^r, in a simple spike 

 or raceme. In ours the flowers are in a dense spike terminating a st<»uter 

 leafy scape or stem. 



* Leaves laciniately cleft or divided, all radical: corolla ci/lindraceous, 4-cIeft to 



the middle. 



1. S. pinnatifida, Watson. Tomentulose-pube.scent and glabrate : leaves 

 slender-petioled, from round-reniform to oblong in outline, from palmately t<» 

 pinnately 3 to 7-parted or below divided, and the divisi«)ns again laciniatolv 

 cleft or parted : scape sparingly bracteate, a span high : spike narrow : corolla 

 whitish. — Bot. King Exp. 227. In the Wasatch Mountains of I'tah and 

 probably extending eastward in the mountains. 



« * Leaves undivided, merelij crenate or crcnnhite: scape or stem lenfii-itrorteatr. 

 I- Corolla mostly 2-parted, rarely S-parfcd, ami stamens itisertt'd on its vrry 



base. 



2. S. alpina, Gray. A span or onl;i an inch or tiro hi(]h, early glabrato 

 except the very kuunjinous inflorescence: radical loaves oval or subcordaio, «« 

 inch or so long on a longer petiole: base of scape nid:ed : bracts and lanrrtJate 

 sepals very I ony -woolly -villous at margins: corolla violet-purple; its broad u/i/Kf 

 lip twice the length of the calyx, the 2 to .3-parteil lower one .•Jinall ami ineluded. 

 — Am. Jour. Sci. ii. xxxiv. 251. In the alpine region of the Colonido Km-kv 

 Mountains. 



