55 6 FLORA. 



peduncles 1-2 -flowered, scarcely exceeding the leaves; flowers violet, 14-17 mm. 

 long; calyx densely dark-pubescent; pod i-celled, ovoid, short-stalked or sessile, 

 about 18 mm. long, pointed; ventral-suture slightly intruded. Lab. and arctic 

 Am., south in the Rocky Mts. to Colo. Summer. [Spiesia inflata (Hook.) 

 Britton. ] 



2. Aragallus multiceps (Nutt.) Heller. Tufted Oxytrope. (I. F. f. 

 2157.) Nearly acaulescent, tufted and matted, silky-canescent, 8 cm. high or less. 

 Stipules membranous, acute, adnate to the petiole; leaflets oblong, 6-12 mm. 

 long, 2-4 mm. wide; scape 1-3-flowered; flowers purple, nearly 2.5 cm. long; 

 calyx slightly pubescent, its teeth short; pod short-stalked, coriaceous, about 

 13 mm. long, acute, enclosed by the swollen calyx. W. Neb., Wyo. and Colo. 

 Summer. [Spiesia multiceps (Nutt.) Kuntze.] 



3. Aragallus arcticus (R. Br.) Greene. Arctic Oxytrope. (I. F. f. 2158.) 

 Acaulescent, tufted, villous-pubescent, 2-ig cm. high. Stipules membranous, 

 lanceolate, imbricated, pubescent ; leaflets linear or linear-oblong, obtusish, 

 4-6 mm. long; peduncles exceeding the leaves, 2-5 -flowered; flowers violet (?), 

 13-21 mm. long ; pod coriaceous, little inflated, oblong or ovoid-oblong, sessile, 

 pubescent. Shores of the Gulf of St. Lawrence, Hudson Strait, and along the 

 Arctic seacoast. Summer. [Spiesia arctica (R. Br.) Kuntze.] 



4. Aragallus campestris (L.) Greene. Yellow Oxytrope. (I. F. f. 

 2159.) Acaulescent or nearly so, much tufted, sparingly pubescent or glabrate, 

 1-3 dm. high. Stipules membranous, lanceolate, acuminate, imbricated, 6-9 mm. 

 long; leaves 8-15 cm. long; leaflets 13-23, linear-lanceolate or oblong, rounded at 

 the base, sessile. 8-13 mm. long; peduncles generally exceeding the leaves ; flow- 

 ers several or numerous in short spikes, white, yellowish-white or blue; pods 

 sessile, ovoid or oblong, blackish-pubescent, acuminate with the subulate style. In 

 rocky places, Lab. and Hudson Strait. Also in Europe. Summer. All American 

 specimens belong to the var. ccerulea, with bluish flowers. [Spiesia campestris 

 (L.) Kuntze.] 



5. Aragallus Johannensis (Fernald) Rydberg. St. John's Oxytrope. Like 

 the preceding, but larger, 1. 5-3. 5 dm. high, sparingly silky, especially the large 

 scarious stipules; leaves 2-3 dm. long; leaflets 17-27, oblong or lanceolate. 2-3 cm. 

 long; spike of about 12 rose-colored flowers, elongated, especially in fruit; pod 

 sessile, cylindric, acute, sparingly white-silky; dorsal suture less intruded than 

 in A. campestris. Gravelly beaches of St. John and other rivers of Me., N. B. and 

 Quebec. June-July. [Oxytropis campestris var. Johannensis Fernald.] 



6. Aragallus Lambertii (Pursh) Greene. Stemless Loco-weed or Crazy- 

 weed. Colorado Loco-vetch. (I. F. f. 2160.) Sparingly silky-pubescent, 

 acaulescent or nearly so. Stipules imbricated, membranous, pubescent, lanceo- 

 late, acute or acuminate, 9-15 mm. long; leaves 10-23 cm - l° n g; leaflets 9-19, 

 17-19 mm. long; peduncles longer than the leaves; flowers purple or purplish, 

 seldom yellowish, in dense heads; pod incompletely 2-celled, sessile, erect, ovoid- 

 cylindric, densely pubescent, long-acuminate, 13-21 mm. long, exceeding the 

 calyx. Plains, Minn, to the N. W. Terr., Br. Col., Tex. and N. Mex. April- 

 Aug. [Spiesia Lambertii (Pursh) Kuntze.] 



7. Aragallus sericeus (Nutt.) Greene. Silvery Loco-weed. Densely 

 silky throughout, stout, acaulescent. Stipules membranous, very silky, broadly 

 ovale, 1-2 cm. long; leaflets 9-17, 15-30 mm. long and 5-10 mm. wide; peduncles 

 stout; bracts ovate, acuminate; flowers pink purple; pod as in „-/. Lambertii, 

 but larger and densely silky. YV. Neb. to Utah, Ore. and Saskatch. June-Aug. 

 [Spiesia Lambertii sericea (Nutt.) Rydberg.] 



8. Aragallus splendens (Dougl.) Greene. Showy Oxytrope. (I. F. f. 

 2161.) Densely Silvery and silky-villous, acaulescent. Stipules imbricated, mem- 

 branous, villous-pubescent. lanceolate, acute, 9-13 mm. long ; leaves 1-2.5 dm. 

 long, erect; leaflets numerous, in verticils of 3-6, oblong or oblong-lanceolate, 

 acute or acutish, 13 21 mm. long; peduncles exceeding the leaves, sometimes 3 dm. 

 long; flowers deep purple, about 12 mm. long, in dense spikes; pods ovoid, erect, 

 2 celled or ne. irly so, long acuminate with a spreading or oblique tip. villous- 

 pubescent, 13 10 mm. long. Plains, Minn, and Manitoba to the N. VY. Terr., 



Colo, and X. Mex. June Aug. [Spiesia Splendens (Dougl. 1 Kuntze.) 



9. Aragallus Bellii (Britton) Greene. (I. F. f. 2162.) Acaulescent, loosely 



