BROOMRAPE FAMILY 3 
1. Proboscidea altheaefdlia (Benth.) Decne. Desert Unicorn-plant. Fig. 4947. 
Martynia altheaefolia Benth. Bot. Sulph. 37. 1844. 
Pro nie idea altheaefolia Decne. Ann. Sci. Nat. V. 3: 324. 1865. 
Martynia palmeri S. Wats, Proc. Amer. Acad. 24: 66. 1889. 
Spreading, viscid- teats perennial 3-4 dm. high with a long, yellow, fusiform root. Leav: 
3-5 cm. broad, reniform to broadly ates . ne often broadly and shallowly 3—-5-lobed ; solicies 
3-8 cm. long, densely sade siibeas acemes several-flowered, often becoming cm. 
long; calyx 1-1.5 cm. long; corolla 2. pa 5 cm, long, buff to brownish ye ‘sag Koy of the fruit 
sle nder, 5-6 cm. long, horns two to three times as long, the distal teeth of the crest on the dorsal 
suture often prolonged into a slender horn, the ventral suture not at all or only slightly crested. 
Usually in sandy soils, Lower Sonoran Zone; Colorado Desert, California, and western Arizona parward 
into Sinaloa and southern Lower California. Rare iar our range and limited to Imperial County, Californ 
Type locality: Magdalena Bay, Lower California. ite hk 
2. Proboscidea louisianica ( Mill.) Thell. Common Unicorn-plant. Fig. 4948. 
Proboscidea jussieut Keller in Schmidel, Icon. (ed. Keller) 49. p/s. 12-13. 1762. Not a binomial, Leaflets West. 
Bot. 1: 80. 1934. 
Martynia louisiana Mill. _ Dict. ed. 8. no. 3. 1768. 
Martynia louisianica Mill. cit. in corrigenda. 
Martynia proboscidea Gloxin, ‘Obs. 14. 1785. 
Martynia alternifolia Lam. Encycl. 2: 112. 1786. 
Proboscidea loutsianica Thell. Mem. Soc. oh ci. Cherbourg IV. 38: 480. 1912. 
Proboscidea louisiana Woot. & Standl. Contr. U.S. Nat. Herb. 19: 602. 1915. 
Martynia jussieut J. T. Howell, Leaflets Wont Bot. 1: 40. 
Annual with prostrate or ascending branches 3-10 dm. long, slimy-viscid pubescent throughout. 
Leaves opposite or Aa upper ee cone deeply cuales broadly ovate to suborbicular in outline, 
5-20 cm. broad, entire or sinuate; petioles 5-15 cm. long, stout, aenael s pe tsonbenns racemes 
oe several flo san elongated in pane calyx 1.5-2 cm. long, the lobes acutish to obtuse; corolla 
3.5-5 cm. long, yellow or dull white blotched with reddish purple or sometimes purple throughout ; 
body of = fruit 4-6 oe coke -10) cm. long, crested on the upper side only, the horns as long or 
three times as long as 
in low moist ground, yi onoran Zones; Sacramento Val and coastal valleys south to southern Cali- 
fornia, eastward to the southeastern United States, and psec into Mexico. Type locality: not definitely 
known; probably southeastern United States or eastern Mexico. May-—Sept. Devils-claws. 
Family 139. OROBAN CHACEAE. 
BROOMRAPE FAMILY. 
Root-parasites without green foliage, the stems erect, simple or i pi usually 
yellowish or purplish. Leaves reduced to alternate appressed scales. Flowers perfect, 
irregular, solitary, or pees or sessile in terminal bracteate ee or spikes. 
Calyx free from the ovary, 4—5-toothed or 4—5-cleft, or split nearly or quite to the base 
on hei or both sides Corolla sympetalous, more or less irregular, the limb 2-lipped 
and 5-lobed, usually with a pair of bracteoles. Stamens 4, didynamous, slender, in- 
serted on the corolla-tube, a rudimentary fifth one sometimes present ; filaments slen- 
der ; anthers 2-celled, the sacs parallel and equal. Ovary superior, 1-celled with 4 
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striate ; embryo minute with the cotyledons scarcely differentiated. 
About 14 genera and over 200 species of wide geographical distribution. 
Capsule 2-valved with 2 ; filaments not with hairy tuft at base. 1. Orobanche. 
Capsule 4-valved with 1 placenta on each coma filaments with tuft of hairs at base. 2. Boschniakia, 
1. OROBANCHE [Tourn.] L. Sp. Pl. 632. 1753. 
Glandu a gas herbs, yellowish, purplish, or rarely white, parasitic on the roots 
of various plants the ie — reduced to scattered scales. Flowers yellowish or purplish, 
solitary on oe ache cies more com monly spicate, racemose, or agp a e, with or 
poarch or bilobed. he eee Pek. she g ek and vetc 
About 100 species, native of North and South America and the Old World. Type species, Orobanche major L. 
