Arctomecon. PAPAVERACEiE. 85 



P. lineare, Benth. 1. c. 407. A span or two high, branching only at base, sparsely barbate- 

 hispid in the manner of Plati/stemon, which it resembles : leaves all sessile, linear, mostly 

 2 inches long : petals half inch long : stamens numerous ; anthers oblong-linear. — Hook. 

 Ic. t. 38, & Bot. Mag. t. 3575; Lindl. Bot. Reg. t. 1954; Torr. & Gray, Fl. i. 65; Brew. & 

 Wats. 1. c. 20.1 — W. California, from Los Angeles,^ to Oregon; type coll. by Douglas. 



§ 2. Stems leafy and paniculately branching, filiform : capsule linear, with 



thin or membranaceous valves, commonly twisting in age : stigmas subulate. — 



Meconella, Nutt. in Torr. & Gray, 1. c. 64. 



P.* Oreganum, Benth. & Hook.* Glabrous, an inch (in depauperate plants) to a span 

 or two high, with spreading branches or peduncles : leaves a quarter to at most an inch 

 long ; lowest spatulate or obovate and contracted into petiole ; upper linear-oblong or 

 linear, sessile : petals 4 to 6, from 1 to 2 lines in length : stamens (4 or) 6, equal or nearly 

 so and in single row ; anthers oval, very much shorter than the filaments. — Benth. & Hook, 

 ace. to Brew. & Wats. 1. c. ; Wats. Bibl. Index, 43. Meconella Oregana, Nutt. 1. c. ; Hook. 

 Ic. t. 360.* — Moist or dry ground in spring, Brit. Columbia to Oregon ; first made known 

 by Nuttall. 



P.* Calif ornicura, Benth. & Hook. Flowers usually larger : petals 2 to 5 lines long : 

 stamens 6 to 12, unequal and biseriate : other characters closely as in the preceding (of 

 which Dr. Gray regarded it a form). — Gen. i. 51; Brew. & Wats. 1. c. Meconella Cali- 

 fornica, Torr. & Fre'm. in Fre'm. Rep. 312; Torr. Bot. Mex. Bound. 31. Platystemon 

 Torreifi, Greene, Fl. Francis. 283. P. Oieganus, M. K. Curran, 1. c., in part. — Low hills, &c., 

 Central and Southern California. 



P. denticulatum, Greene. Very similar, more diffuse : weak stems a span to a foot 

 long : leaves from linear to spatulate, sometimes callous-denticulate : petals a line or two 

 long, apparently white: anthers (6) linear, ecjualling or double the length of the filaments. 



— Bull. Torr. Club, xiii. 218. Meconella denticuluta, Greene, Bull. Calif. Acad. Sci. ii. 59.^ — 

 S. California, between San Bernardino and San Diego, and on the adjacent islands, Cleve- 

 land, Parish, Greene. 



3. CANBYA, Parry. (William Marriott Oanby, of Delaware, excellent 

 botanist and friend.) — Singular genus of two minute acaulescent annuals, vernal 

 productions of the interior desert, glabrous; with a tiny root, a close tuft of 

 exceedingly short and densely leafy stems or branches, sending up filiform one- 

 flowered scapes of less than an inch in length ; the leaves crowded but mainly 

 alternate, fleshy, oblong to linear, entire, the lowermost a line and upper quarter 

 inch long : petals not over 2 lines long. — Parry in Gray, Proc. Am. Acad. xii. 

 51, t. 1. 



C. Candida, Parry, 1. c. Petals bright white : foliage green. — Wats. Bot. Calif, ii. 429. 



— S. E. California, on the upper part of the Mohave River, Palmer, 1876; Cajou Pass, 

 Parish, 1882. 



C. aiirea, Watson. Petals bright yellow, deciduous in age : scapes capillary : foliage 

 glaucescent. — Proc. Am. Acad. xxi. 445. — On the sage plains of S. E. Oregon, June, in 

 flower, Howell. 



4. ARCTOMECON, Torr. & Frem. ("ApKTos, a bear, /xt^kojv, poppy, from 

 the hirsuteness.) — Fre'm. Rep. (1845), 312, t. 2; Benth. & Hook. Gen. i. 52; 

 Parry, Am. Nat. ix. 139, 2G8; Gray, Proc. Am. Acad. xii. 52, t. 2; Coville, 



1 Add syn. Plaiystemon linearis, M. K. Curran, Proc. Calif. Acad. Sci. ser. 2, i. 242. 



2 A dubious specimen from Ft. Mohave, Cooper. 



3 Description modified to exclude the apparently distinct P. Californicum. 



* Add syn. Plaiystemon Oregdnus, M. K. Curran, 1. c, so far as the northern plant is concerned, 

 s Add syn. Platystemon denticulatus, Greene, Fl. Francis. 283. 



