LUPINUS 



LUPINUS 



1923 



Desirable species, growing in the poorest soil, prefer- 

 ring sandy land. Grows from subterranean rootstocks. 



5. parvifldrus, Nutt. Fig. 2217. Fls. light blue, 

 smaller than in L. perennis: Ifts. 5-11, broad-linear to 

 oblanceolate. N. Mex. to Wash. 



6. argenteus, Pursh. Fls. blue or cream-colored: 

 Ifts. 5-8, linear-lanceolate. W. N. Amer. B.B. 2:269. 

 Var. roseus, Hort. Fls. rosy-pink, lower half slightly 

 paler. Suitable for herbaceous border. 



7. rivularis, Douglas (L. cytismdes, Agardh). Peren- 

 nial, 4-6 ft. high: sts. stout: Ivs. large and handsome; 

 Ifts. 7-9, oblanceolate: fls. deep pink or rose-purple, in 

 long racemes. W. N. Amer. 



8. polyphyllus, Lindl. (L. grandiflbrus, Lindl.). Stout, 

 erect species, forming tufts 2-5 ft. high: Ivs. distant, 

 mostly radical, long-petioled; Ifts. lanceolate, glabrate 

 above, silky hairy below, 2-6 in. long: fls. on long stalks, 

 alternate, pedicelled, deep blue: pod 1-1 ^ in. long, 

 narrow. June-Sept. Wash, to Calif. Gn. 45, p. 459; 

 55, p. 215. A common garden species of merit, succeed- 

 ing in any good soil. Var. Moerheimii, Hort. A very 

 beautiful new intro. from the firm of B. Ruys at 

 Dedemsvaart in 1906-7. Two to 3 ft. tall, much more 

 compact and erect than the true polyphyllus forms: 

 fls. long-lived, bright pink, rose to white. Without 

 doubt it is the best variety which exists. R.B. 37:225; 

 38:217. G.M. 51:613. Var. albifldrus, Hort. (var. 

 dibits), is white, bold and showy. Var. bicolor, Hort., is 

 variegated blue and white. Var. F6xei is uncertain. 



9. nootkatensis, Donn. St. hairy, decumbent, with 

 long, spreading hairs, 2-3 ft. high: Ifts. 5-9, narrowly 

 obovate-oblong, smooth above, hairy below, mucro- 

 nate; stipules lanceolate, nearly as long as the Ifts. : fls. 

 in dense racemes, blue, variegated with red and yellow, 

 with large veins, variable. May-July. Nootka Sound. 

 B.M. 1311; 2136. Coarse stocky species, said to be 

 unsuitable for small gardens, but of merit. 



10. plattensis, Wats. One to 1^ ft. high: Ifts. 7- 

 10, oblanceolate, spatulate or narrowly oval: raceme 

 loosely fld., terminal; corolla blue, standard with a 

 conspicuous dark spot. June, July. Neb., Wyo., Dak. 

 B.B. (ed. 2) 2:348. 



11. sulphureus, Douglas. St. very erect, white silky: 

 Ifts. narrowly lanceolate, densely hairy on both sides, 

 shorter than the petiole: fls. in tall, dense racemes, sul- 

 fur-yellow: pods woolly, 1 in. long. July, Aug. Moun- 

 tains of Ore. R.H. 1890:252. Strong species branch- 

 ing above, bare below. 



12. Iftteus, Linn. YELLOW LUPINE. Fig. 2218. St. 

 erect, nearly simple, hairy, 2 ft. high: Ifts. lanceolate, 

 acute, hairy: fls. on pubescent stalks longer than the 

 Ivs., verticillate, yellow, fragrant: pod oblong, flat. 

 June, July. S. Eu. B.M. 140. Succeeds in the poorest 

 soil. Useful for cut-fls., for the border, for fodder 

 or for plowing under to improve sandy soils. As a 

 fodder, it may be fed green or as hay. 



13. pildsus, Linn. St. hairy, 2-4 ft. high: Ifts. oblong- 

 lanceolate, hairy: fls. verticillate, pedicelled, rose, the 

 middle of the standard red. S. Eu. 



14. micranthus, Douglas. St. slender, 3-12 in. high, 

 hairy: Ifts. linear, J^-l in. long: fls. in short, dense 

 racemes, somewhat verticillate, very small, violet, 

 standard and wings narrow: pod linear. Gravelly 

 places, Ore. to Calif. A slender plant of branching 

 habit. 



15. affinis, Agardh. St. rather stout, 8-10 in., pubes- 

 cence very short: Ifts. broadly wedge-obovate, obtuse, 

 long, more or less smooth above; stipules one-half the 

 length of Ivs.; petioles twice longer than the Ifts.: fls. 

 on a long stalk, deep blue: pod linear. Early spring. 

 Calif. A free, hardy species, often growing very rank. 



16. hirsfttus, Linn. BLUE LUPINE. St. hairy, 2-3 

 ft. high, branching toward the top: Ifts. 7-9, oblong or 



oblong-oval, hairy, long-petioled: fls. somewhat verticil- 

 late or scattered, large, mostly purple, sometimes varie- 

 gated with blue or violet: pod large, very hairy. July, 

 Aug. S. Eu. Used ornamentally and as an economic 

 plant for the same purposes as L. luteus. It is valuable 

 for fodder and for plowing under. Var. albus, Hort., 

 has white fls. Var. rftber, Hort., and var. foliis rfiseis 

 are advertised. 



2218. Lupinus luteus. 



17. hirsutissimus, Benth. Annual, 1J4-2K ft. high: 

 sts. rather stout, covered with stiff hairs: Ifts. 5-7, 

 cuneate-oboyate: fls. large, deep reddish purple, very 

 showy. Calif. 



18. Slbus, Linn. WHITE LUPINE. Erect st., 1J^ ft. 

 high: Ifts. obovate-oblong, 5-7, hairy below, 1^-2 in. 

 long: fls. alternate stalked, on erect sts., quite large, 

 white: pods large. Summer. Asia and S. Eu. A good 

 fodder plant said to be of greater thrift than L. luteus, 

 and remaining green longer. Succeeds well on the 

 poorest soil and is valuable for plowing under. Seeds 

 are sown April- July, and the plants are plowed under 

 when in flower. 



19. pusfllus, Pursh. Lfts. about 7, mainly oblong, 

 acute: fls. blue or purple. Prairies. B.B. 2:270. 



20. Hartwegii, Lindl. St. erect, 2-3 ft. high, some- 

 what branching: Ifts. 7-9, oblong, obtuse, very hairy: 

 fls. in many-fld. elongated racemes, blue; standard 

 whitish, then reddish. June-Sept. Mex. B.R. 25:31. 

 Var. albus is also sold. Possibly a perennial but cult. 

 as an annual. 



21. mutabilis, Sweet. St. erect, branched, somewhat 

 woody, 5 ft. tall: Ifts. 7-9, lanceolate, obtuse, hairy 

 below and somewhat glaucous: fls. large, somewhat ver- 

 ticillate, fragrant; standard white mixed with blue, 

 becoming blue with a large yellow mark in the center; 

 wings and keel white. June-Aug. Mountains of S. 

 Amer. B.M. 2682. Attractive species, erect and 

 branching but half-hardy. 



Var. Cruckshanksii, Hook. (L. Cruckshanksii, Gray). 

 Fls. large, fragrant, white, the standard yellow-rose, 

 becoming violet. B.M. 3056. 



22. subcarndsus, Hook. St. 8-10 in. high, ascending, 

 silky pubescent: Ifts. 5-7, obovate-lanceolate, obtuse, 

 somewhat fleshy, smooth above, silky below and on 

 margins: fls. in pyramidal racemes, alternate; standard 

 orbicular, deep blue with a white spot in the center 

 divided by a longitudinal fold : pod linear-oblong, silky. 

 Spring. Texas. B.M. 3467. Spreading species of 

 merit. 



23. nanus, Douglas. St. slender, Y^-\ ft., often 

 branching from the base, hairy: Ifts. 5-7, linear to 

 oblanceolate, pointed, pubescent both sides, stalks 1-3 

 times longer: fls. in elongated, loose racemes, verticillate 

 on slender stalks, large, white, pointed with clear blue, 

 edged with deeper blue; wings bluish, hiding white- 



