SANTALACEAE 



373 



Northern Sierra Nevada and north to Idaho; east to New Mexico. On 



Pseudotsuga taxifolia. 



Locs. Sierra Valley ace. Bot. Cal. 2: 106; Mt. Shasta, Hall # Babcock 4078. 



Var. abietinum Engelm. Larger, the stems 1 to 5 inches long. Bear Val- 

 ley, Nevada Co., on Abies concolor; northward to Washington. 



Eefs. ARCEUTHOBIUM DOUGLASII Engelm. Bot. Wheeler, 253 (1878), type spms. from the 

 Southwest. Bazoumofskya douglasii Kuntze, Eev. Gen. PI. 2: 587 (1891). Var. ABIETINUM 

 Engelm. in Bot. Cal. 2: 106 (1880), type loc. Sierra Valley, Lemmon. 



3. A. campylopodum Engelm. Stems dichotomously branched, 4 to 15 

 inches long, the branches bearing numerous spikes, the lower spikes commonly 

 with accessory spikes in the axils; staminate plants deep yellow, their spikes 

 dense, y 2 to % inch long; pistillate plants olive-brown, their spikes *4 to 1 

 inch long, paniculate ; berries brown, oblong-elliptic, 2 to 2~y 2 lines long. 



Southern California; Coast Ranges and Sierra Nevada. North to British 



Columbia. On Pinus. : 



Locs. Hamburg, Siskiyou Co., Butler 1070, on Pinus ponderosa; Eussian Creek, Siskiyou 

 Go., Butter 273, on P. tuberculata; Sisson, Jepson, on P. ponderosa; Elk Mt., Lake Co., 

 Tracy 2355, on P. ponderosa; Samuel's Sprs., Napa Co., Jepson, on P. sabiniana; Mt. St. 

 Helena, Jepson, on P. tuberculata; Conn Valley, Napa Eange, Jepson, on P. ponderosa; Mt. 

 Diablo, Jepson, on P. sabiniana; Mt. Hamilton, Chandler 6022, on P. sabiniana; San Ber- 

 nardino Mts., Parish, on P. coulteri ; Mt. San Jacinto, Hall 2566, on P. lambertiana, 2616, on P. 

 ponderosa; Bower Cave, Jepson, on P. ponderosa; Snow Creek, Yosemite, Hall, on P. jeffreyi. 

 Eefs. ARCEUTHOBIUM CAMPYLOPODUM Engelm. Jour. Bost. Soc. Nat. Hist. 6: 214 (1850), 

 type loc. vicinity northern Idaho, Geyer. A. occidentale Engelm. in Bot. Cal. 2: 107 (1880). 

 EazoumofsTcya occidentale Kuntze, Eev. Gen. PI. 2: 587 (1891); Jepson", Fl. W. Mid. Cal. 

 366 (1901). 



4. A. cryptopodum Engelm. Stout, 2 to 4 inches high, brownish yellow or 

 olive-brown; staminate plants smaller than the pistillate; staminate spikes 

 with buds flattened against the spikes; anthers attached above the middle 

 of the lobes. 



Colorado and New Mexico to Arizona. Mineral King and Soda Sprs., south- 

 ern Sierra Nevada, ace. Coville (Contrib. U. S. Nat. Herb. 4: 192). On Pinus 

 ponderosa. 



Eefs. ARCEUTHOBIUM CRYPTOPODUM Engelm. in Gray, Jour. Bost. Soe. Nat. Hist. 6: 214 

 (1850), type loc. Sante Fe, Fendler 283. A. robustum Engelm. Bot. Wheeler, 254 (1878). 



5. A. divaricatum Engelm. Stout, 2 to 4 inches high, branches divaricately 

 spreading, often flexuous or recurved; staminate flowers few and scattered; 

 pistillate spikes often with sterile ones behind them in the same axils; berry 

 iy 2 to 1% lines long. 



Providence Mts., Brandegee. East to Utah and New Mexico. On Pinus 

 monophylla. ' 



Eef. AKCEUTHOBIUM DIVARICATUM Engelm. in Bot. Wheeler, 253 (1878), type spms. from 

 the Southwest. 



SANTALACEAE. SANDALWOOD FAMILY. 



Herbs or shrubs, usually root parasites. Leaves simple, entire. Flowers 

 small, in ours perfect, mostly greenish. Corolla none. Calyx valvate, 4 or 

 5-cleft, the lower part of the tube adherent to the ovary. Stamens 3 to 6, 

 inserted opposite the calyx lobes and between the lobes of the disk. Ovary 

 1-celled; style one; stigma capitate; ovules 2 to 4, suspended from the top of 

 a free central placenta. Fruit indehiscent, nut-like, 1-seeded. Seeds without 

 testa. Embryo small, axile at one end of the abundant endosperm. Tropical 

 or a few in the temperate zones, 26 genera and 250 species. 



1. OOMANDRA Nutt. BASTARD TOAD-FLAX. 



Perennial herbs with rootstocks, striate stems and glabrous herbage. Leaves 

 alternate, nearly sessile, the lowest scale-like. Flowers greenish white, in 

 small terminal or axillary cymose clusters. Calyx campanulate or urnshaped, 



