152 CKLC1FEK.E Panya. 



broadly winged. — R. Br. 1. c. 270. Canlamme nudicaulis, L. Spec. ii. 6.54. Arabis nudi- 

 caulis .& Hesperis scapifjera, DC. Syst. ii. 240, 4.54. Newoloma nudicaule & scapiyerum, 

 DC. Prodr. i. 156. Pai-ri/a nurf/ctju/j'j,-, Kegel, Hull. Soc. Nat. Mosc xx.\iv. pt. 2, 176. — 

 Alpiue peaks of the Uinta Mountains, Utah, Wnlsun ; Alaska, from the IShuinagiu Islands, 

 Huninyton, to the Arctic Coast. (Kamtschatka to Arctic Russia, Thibet, and Afghanistan.) 



§ 2. PiioiNiCAULis. Scape leafy : stigma nearly entire and capitate : seeds 

 immarginate ; cotyledons obliquely accuuibent. — Nutt. (us genus) in Torr. & 

 Gray, Fl. i. 89. 



p. Menziesii, Greene. Caudex stout ; the branches covered with remains of dead leaves : 

 leaves spatulate or oblauceolate, acute or obtuse, densely tomeutose both sides with fine 

 stellate i)uliescence, entire, 1 to 4 inches long; the petioles often nearly glabrous : scapes 

 twice longer than the leaves, nearly glabrous ; bracts sessile, oblong to linear-lanceolate, 

 acute or obtuse ; raceme many flowered : pods spreading, 1 to 2 inches long, attenuate to the 

 slender style, glabrous, 2-4-seeded. — Fl. Francis. 253. Hesperis Menziesii, Hook. FL Bor.- 

 Am. i. 60; Hook. & Am. Bot. Beech. 322, t. 75. Phcenicaulis cheiranihoides, Nutt. 1. c.i 

 Cheiranthus Menziesii, Benth. & Hook. Gen. i. 68; Brew. & Wats. Bot. Calif, i. 35. — From 

 the Lower Columbia River and E. Oregon to N. W. Nevada, and iu the mountains to Alpine 

 Co., California. 



Vax. lanuginosa, Wat.<on, n. var. Pubescence more loose and woolly. — Lower 

 Columbia \' alley east of the Cascades, Douglas, Suksdorf; near the mouth of the Chelon, 

 WatsMi ; and iu Sierra Co., Calif., Lemmon. 



41. LEAVENWORTHIA, Torr. {Dr. M. C. LeavenwortK U. S. A., 

 the discoverer of the first species, a botanist and early collector in Florida, 

 Louisiana, and Arkansas.) — Species very similar in habit. Peduncles all radical 

 and 1 -flowered (1 to 6 inches long) or branching (a span high or less), with, one 

 or two leaves toward the base, and decumbent. Seeds with a firm thick testa, 

 very minutely tuberculate. — Ann. Lye' N. Y. iv. 87; Gray, Gen. Ill, i. 139, &, 

 Bot. Gaz. v. 25. [By S. Watson.] 



* Cotyledons round-cordate ; radicle straight. 



L. aurea, Torb. Leaves with few (1 to 7) mostly sinuate lobes: petals emarginate, 4 to 6 

 lines long, "yellow" or white to purplish with a yellow base: pod not torulose, oblong to 

 linear, 5 to 12 lines long including a slender style 1 or 2 lines long, 4-14-seeded. — 'J'orr. 

 1. c. 88, t. 5, f. 1-8; Gray, Gen. 111. i. 140, t 57. L. Michanxii, Gray, Man. ed. 2, 31, in 

 part. — N. Alabama, Leavenworth, HatiJi, Peters; Tennessee, Buckley; " Fort Towson," 

 Arkansas, and at "Irish Bayou settlement," N. W. Texas, Leavenworth. 



* * Cotyledons broad-oval ; radicle applied very obliqnely to th©ir base 



L. Michauxii, Torr. Leaves with usually numerous (7 to 15) acutely toothed lobes: 

 petals subtruncate, 2 to 4 lines long, white with a yellowish claw or purplish : pod not 

 torulo.se, oblong to linear, 6 to 15 lines long, with a short stout style (a line long or less), 

 4-18-seeded: seeds rather larger. — Torr. 1. c. 89, t. 5, f. 9-11; Gray, Bot. Gaz. v. 26.-^ 

 Cfirdamine ?/n//7o?-rt, Michx. Fl. ii. 29. — Tennessee, about Knoxville, Michaux, and near 

 La Vergne and Nashville, Gattinger; barrens of Kentucky, Short ; Clarke Co., Indiana, 

 CouUer ; St. Louis Co., Missouri, Lettermnn. 



L. Stylosa, Gray, i.e. Leaves usually about 7-lobed : petals yellow, emarginate, 4 lines long : 

 pods not torulose, oblong, 4 to 8 lines long, not including the slender style (2 to 4 lines long), 

 G-8'.seeded. — In wet places in cedar barrens near La Vergne, Rutherford Co., Tennessee, 



Gattinger. 



L. torulosa, Gray, 1. c. Leaves few-many-lobed : petals purplish with a yellow base, 

 emarginate, 3 or 4 lines long: pods torulose even when young, linear, 8 to 15 lines long 



1 Add SJT1. PhmnlcauUs Afenziesii, Greene, Bull. Torr. Club, xiii. 143. 



2 Add syn. L. unijlora, Britten, Mem. Torr. Club, v. 171. 



