DOGBANE FAMILY 103 



Locs. — S. Cal.: Palomar Mt., San Diego Co., Esther Hewlett 35; San Bernardino Valley, 

 Parish 11,427; Devils Punch Bowl, San Gabriel Mts., Peirson 146; Lockwood-Piru forks, Mt. 

 Pinos, Dudley 4' Lamb 4657; Piute Creek, e. Mohave Desert, Wilson. Coast Banges: upper San 

 Benito River at Lorenzo Creek, Jepson 12,225; Nacimiento Elver, Jepson; Los Gatos (foothOls 

 w.), Heller 7518; Aetna Sprs., Napa Co., Zeile; Scott Valley, Lake Co., Jepson 14,617; Dyerville, 

 main Eel Eiver, Constance 848 ; Kneeland Prairie, Humboldt Co., Tracy 3838; Trinity River Val- 

 ley at Willow Creek, Tracy 10,148. Great Valley : Greenfield near Bakersfield, Davy 1852 ; Stock- 

 ton, Sanford; Hass Slough, e. Solano Co., Jepson 20,925. Sierra Nevada: Onyx, Kern Co., 

 Voegelin 23; betw. Big Mdws. and Yosemite, Jepson 14,618; Heteh-Hetchy, Jepson; South Fork 

 Tuolumne bridge, A. L. Grant 840; Clinton Bar, Amador Co., Hansen 1162; Little Chico, C. C. 

 Bruce; Fall River Lake, Shasta Co., M. S. Baker. East of the Sierra Nevada: Eagle, Death Val- 

 ley, Jepson 6941; Bishop Creek, Inyo Co., ShocMey 428; Middle Lake, Modoc Co., Austin 4" Bruce 

 2336. 



Var. floribundum (Greene) Jepson comb. n. Herbage glabrous; leaf-blades ovate, mostly 

 acute, mucronate, 1V4 to 3 inches long; corolla cylindric, its tube longer than the width of the 

 limb ; otherwise similar to the species. — Montane valleys and slopes, 4000 to 7500 feet : Middle 

 Fork Lockwood Creek, Mt. Pinos, Hall 6649; Nine-mUe Creek, Tulare Co., Zeile; Yosemite, Alice 

 King. East to Nevada. 



Eefs. — Apocynum cannabinum L.,Sp. PI. 1:213 (1753), "Virginia, Canada"; Jepson, Fl. W. 

 Mid. Cal. 381 (1901), ed. 2, 321 (1911), Man. 769 (1925). A. puhesccns Mitchell; E, Br., Mem. 

 Wern. Soc. 1:68 (1809), type loc. Virginia. A. cannabinum var. pubescens DC, Prodr. 8:440 

 (1844) : Woodson, Ann Mo. Bot. Gard. 17:122 (1930). A. cannabinum var. glaberrimum DC, 

 I.e. 439, type loc. Canada. A. salignum Greene, Pitt. 5:64 (1902), type loc. Humboldt Co., Ches- 

 nut 4' Brew. A. hypericifolium Ait. var. salignum Beg. & Bel., Monog. Apocynum 118, pi. 7 (1913). 

 A. oblongum Greene, Pitt. 5:65 (1902), type loc. Clinton Bar, Mokelumne River, Hansen 1162. 

 A. vestitum Greene, Man. Reg. S. F. Bay 240 (1894), type loc. "hills w. of Napa Valley," Greene. 

 A. medium var. vestitum Woodson, I.e. 116. A. suksdorfii Greene, Pitt. 5:65 (1902), tj-pe loc. 

 Columbia River, Suksdorf ; Woodson, I.e. 117. A. palustre Greene, Lflts. 1:58 (1904), type loc. 

 Suisun, C. F. Baker 3247. A. bicolor McGregor, BuU. Torr. Club 37:261 (1910), type loc. Glen 

 Alpine, Lake Tahoe, McGregor 32. A. bolanderi Greene, Lflts. 2:175 (1912), type loc. Wawona 

 (Clark's sta.). South Fork Merced, Bolander. A. hreweri Greene, Lflts. 2:176 (1912), type loc. 

 Yosemite Valley, Brewer 1673. A. densiflorum Greene, Lflts. 2:176 (1912), type loc. Tehachapi, 

 Greene. A. thermale Greene, Lflts. 2:177 (1912), type loc. Tassajara Hot Sprs., Santa Lucia Mts., 

 Elmer. A. longifolium Greene, Lflts. 2:177 (1912), type loc. Sespe Creek, near Ten Sycamore 

 Plat, Ventura Co., Abrams # McGregor. Var. floribundum Jepson. A. floribundum Greene, 

 Erythea 1:151 (1893), type loc. mts. "west of Mohave Desert in Kern Co." (undoubtedly Teha- 

 chapi), Greene. A. medium var. floribundum Woodson, Ann. Mo. Bot. Gard. 17:113 (1930). 



4. CYCLADENIA Benth. 



Stems simple, one to many from a large fleshy root, bearing 2 to 5 pairs of leaves 

 and 2 or 3 axillary peduncles with 2 or 3 rose-purple flowers on slender pedicels. 

 CaJyx parted into 5 slender lobes. Corolla fuunelform with 5 broadly oblong or 

 roundish lobes and 5 minute appendages alternate with the lobes, one behind each 

 stamen. Stamens borne on the tube towards the base. Style filiform, with a con- 

 spicuous membranous reflexed collar under the stigma. Disk an entire cup sur- 

 rounding the base of the ovaries. — Species 1. (Greek kuklos, a ring, and aden, a 

 gland, referring to the disk.) 



1. C. humilis Benth. Stems ascending or diffuse, 3 to 6 inches high ; herbage 

 glabrouis; leaf -blades thickish, ovate or roundish, obtuse to cordate at base, 1% to 

 2% inches long, on petioles i/4 to 2 inches long; corolla 7 to 10 lines long, its lobes 

 with crinkly edges, its tube bearing a narrow band of reflexed hairs at the insertion 

 of the stamens, the filaments also clothed with similar hairs; pedicels 7 to 10 lines 

 long; follicles li/4 to 2 inches long. 



Rocky mountain slopes or gravelly ridges, 3500 to 8500 feet: North Coast 

 Ranges from Lake Co. to western Siskiyou Co. ; Sierra Nevada from Lassen Co. to 

 eastern Siskiyou Co. June-July. 



Locs. — North Coast Ranges: Cobb Mt., Lake Co., C. F. Leithold ; Snow Mt., Purpus 851; 

 Devil's Backbone, near Salmon Summit, Jepson 2072 ; Bally Mt., Shasta Co., Brewer 1448 ; Sis- 

 son, M. S. Baker. Sierra Nevada: Silver Lake, Lassen Co., M. S. Baker; Brokeoff Mt., Tehama 

 Co., J. Grinnell; Hot Springs Valley (ridge n.), Lassen Peak, Jepson 12,295; Medicine Lake, e. 

 Siskiyou Co., M. S. Baker. 



