onoBANCiiACK^. (bkoom-rapk KAMILY.) 323 



2. CONOPHOLIS, Wallruth. Sqiaw-root. Ca.vcer-root. 



Flowers in a tliick sciily spike, perfect, with 2 bractlets at the base of the irre<^- 

 nlarl y 4 - 5-tootlieil calyx; its tube sjjlit down on the lower side. Corolla tubu- 

 lar, swollen at the base, strongly 2-lii)ped ; the u])per lip arehed, notehed at the 

 summit ; the lower shorter, .'}-parted, spreading. Stamens ])rotruded. Stijrma 

 depressed. Pod with 4 placenta', a pair on tiie middle of each valve. — Upper 

 scales forming bracts to the Howers ; the lower covering each other in regular 

 order, not unlike those of a fir-couc (whence the name, from kwi/os, a cone, and 

 \})ai\is, a scale.) 



1. C. Americana, Wallroth. (OrobiincheAmcricana,Z.) — Oak woods: 

 not rare, growing in clusters among fallen leaves. May, June. — A singular 

 plant, chestnut-colored or yellowish throughout, as thick as a man's thumb, 3'- 

 6' long, covered witli scales, which are at first fleshy, then dry and hard. 



3. PHELIP^A, Tourn. Broom-k.\pe. 



Flowers perfect, crowded in a spike, raceme, or clustered panicle, with a pair 

 of bractlets at the base of the regular 4 - 5-cleft calyx. Corolla 2-lipped ; the 

 upper lip 2-lobed or notched ; the lower 3-parted. Stamens included. Ovary 

 with a gland at the base on the upper side. Tod with 4 jilaccntre, two on the 

 middle of each valve. — Stems rather thick, scaly. (Named for L. rj- ./. P/uli- 

 peaux, patrons of science in the time of Tourncfort.) 



1. P. LudOViciana, Don. Glandular-pubescent, branched (3'- 12' high) ; 

 the flowers spiked in close clusters; corolla somewhat curved, twice the length 

 of the narrow lanceolate calyx-lobes; the lips equal in length. — Illinois (E. 

 Hall) and westward. Oct. 



4. APHYLLON, Mitchell. Naked Broom-r.u'e. 



Flowers perfect, solitary on long naked scapes or peduncles, without bractlets. 

 Calyx 5-clcft, regular. Corolla with a long curved tube and a spreading bor- 

 der, somewhat 2-lipped; the upper lij) deeply 2-cleft, its lobes similar to the 3 

 of the lower lip.. Stamens included. Stigma broadly 2-lippcd. Capsule with 

 4 equidistant placentae, 2 borne on each valve half-way between the midrib and 

 the margin. Plants brownish or yellowish. Flowers (purplish) and scaj)cs 

 minutely glandular-pubescent. (Name from a privative and (f)vX\ov, foliuije, 

 alluding to the naked stalks.) — Perhaps rather a section of Phclipa'a. 



1. A. uniflbrum, Torr. & Gr. (Oxe-floweued C.axcer-root.) Slem 

 suhUrnini'on or VKirli/ so, verij short, scaly, often branched, each branch sending 

 up 1 -3 slender one-flowered scapes (3'- .5' high) ; divisions of the calyx hnce- 

 awl-shajml, half the length of the corolla. (Orobanche uniflora, L.) — Woods : 

 not rare. April, May. — Corolla 1' long, with 2 yellow bearded folds in the 

 throat, the lobes obovatc. 



2. A. fasciculitum, Torr. & Gr. Saih/ stem erect and risitir/ 3' - 4' out 

 of the f/roiinil, mostly lunger than the crowded peduncles; dirisions of the calijx 

 triuii(/ii/tir, viifji iniirh slioilir than the corolla, which has rounded short lobes. 

 (Orobanche fascicuhita, A'»/^) — Islands in Luke Michigan (Engelmann), N. 

 Illinois ( Vasey), and northwestward. May. 



