72 



PRIMULACEAE 



Madera Co., A. L. Grant 1586; Kaiser Peak, A. L. Grant 1447; Bullfrog Lake, Bubbs Creek, Jep- 

 son 853; Alta Peak, Hopping 148; Kaweah Peak, Jepson; Mt. Whitney, Jepson 14,592. Trinity 

 Co. : Devils Caiion Mts., Tracy 992. 



Eefs.- — Primula suftbutescens Gray, Proc. Am. 

 Aead. 7:37 (1868), based on spins, from the Sierra 

 Nevada, Lobb, Brewer (SUver Mt.) ; Jepson, PI. W. 

 Mid. Cal. 377 (1901), ed. 2, 316 (1911), Man. 755 

 (1925). 



3. ANDROSACE L. ^T^^ M!>^^ d 



Ours small annual herbs, with rosulate 

 basal sessile leaves and few to several scapes 

 bearing- an involucrate umbel of small white 

 or pink-tinted flowers. Calyx-lobes 5. Co- 

 rolla somewhat salverform, its lobes 5 (or 4), 

 its tube shorter than the calyx, its throat con- 

 stricted; stamens short and inserted low down 

 upon the tube. Style mostly short. Capsule 

 subglobose, dehiscent by valves. — Species 84, 

 North America, Asia and Europe. (Andro- 

 sakes, Greek name of a now unknown sea- 

 plant.) 



Bracts linear, acute ; scapes many; pedicels ascending, 



shorter than the scapes; alpine 



1. A. septentrionalis. 



Bracts ovate-lanceolate, the tip attenuate-caudate; 



scapes few (commonly 1 to 4) ; pedicels 



stiffly ascending or divergent, often longer 



than the scapes; foothills and plains of ovary, X 5 



2. A. occidentalis. 



a c 



Fig. 320. Primula sufprutescens 

 Gray, a, habit, X ^/i ; 6, long. sect, of 

 X % ; c, capsule, X 2 ; d, cross sect. 



fl 





1. A. septentrionalis L. var. subumbellata 



A. Nels. (Fig. 321.) Plants very much con- 

 densed, 1/2 to 1 inch high, the scapes many from 

 the dense tuft of basal leaves; leaf -blades linear, 

 obtuse, sometimes remotely denticulate, 2 to 6 

 lines long; umbels 3 to 7-flowered, the pedicels 1 

 to 5 lines long, shorter than the scapes; corolla 

 verv slightly exceeding cah'x-lobes. 



Alpine, 11,400 to 12,700 feet : Mt. San Gorgo- 

 nio; Mt. Whitney; Mt. Dana; White Mts. East to 

 the Rocky Mts. The stations are few and scat- 

 tered. July. 



Locs. — Mt. San Gorgonio, Hall 7647 ; Twin Lakes, Mt. 

 Whitney, Peirson 856; Mt. Dana, Jepson 3306; McAfee 

 Mdws., White Mts., Jepson 7399. 



Eefs. — Andkosace septentrionalis L., Sp. PI. 142 

 (1753), Lapland and Russia. Var. subumbellata A. 

 Nels., Bull. Wyom. Exp. Sta. 28:149 (1896), type loe. 

 Union Peak, Wyo., Nelson 998; Jepson, Man. 755 (1925). 



Fig. 321. Androsace septen- 

 trionalis L. var. subumbellata A. 

 Nels. a, habit, X 1 ; 6, fl., X 5 ; c, 

 corolla spread open, X 5 ; <J, cap- 

 sule, X 5 ; e, cross sect, of ovary, 

 XIO. 



2. A. occidentalis Pursh var. acuta Jepson. 

 Plants % to 2 inches high; leaf -blades linear- 

 lanceolate, 3 to 5 lines long; scapes spreading, % 

 to 11/4 inches long; umbels 3 to 7-flowered, the ped- 

 icels very unequal, some often longer than the 



scape, 1/2 to 1% inches long; calyx-lobes mostly shorter than the tube; corolla white, 



1 line long, scarcely exserted from calyx-tube. 



