36 cistacEjE. (ko<;k-kose famii.v.) 



* Flowers ulikv, sulitar If : jwtals <:(>UHplcuous : slumcns iiiJeJinitc : ctijiside 

 mnnji -seeded. 



1. H. Carolinianum, Mic-lix. Hirsute; Iciives Iaiic-CM)l.ite, (li'iiticuljitts 

 acute, sliort-pctioled, tlie lowest obovale, crowileil ; flowers larj^e, solitarv, 

 borue above tbe axils. — Dry sandy soil, Florida to Nortli Carolina aurl west- 

 ward. March- April. — Stems G'- 12' high, asceuding from a shrubby base. 

 Flowers 1' wide. 



2. H. Georgianura,n.sp. Tomentosa; .stem 6' -9' liigli, miicli branched 

 from near the base ; leaves lanceolate, flat, or tbe margins sliglitly revolute, 

 6" -9" long; flowers all single and opjjosite the leaves, or the uppermost 

 racemose, the slender pedicels 2-3 times as long as the calyx ; petals 3" -4" 

 lonj^. — Fields and pastures. Baiubridge, Georgia, Mobile (Mofir). May- 

 June. 



3. H. arenicola, Cliapm. Hoary; leaves sma'l, lanceolate, obtu.se, entire, 

 witii till' sides revolute ; flowers solitary, or 2-4 in terminal umliellate clus- 

 ters, on slender pedicels. — Drifting sands near the coast. West Florida. 

 March - April. — Stems slirnliby and Itraiiched at the base, all but the short 

 (2' -6') flowering steins Imried in tlie sand. Flowers ^' wide. 



« * Flowers of two kinds : the earliest as in the last section, the later ones 

 smaller, clustered, with smalt petals, or none, fewer stamens, and few- 

 seeded capsules, 



4. H. COrymbOSUm, Michx. Tomentose and hairy ; stems erect, shrubby 

 at the base ; leaves lanceolate, obtuse, entire, hoary beneath, with the sides 

 revolute ; flowers neai'ly sessile in a cymose cluster at the summit of the stem, 

 the earlier ones long-peduucled ; sepals woolly. — Dry sands near the coast, 

 Florida to North Carolina. April. — Stems 1° high. Capsule smooth. 



5. H. Canadense, Michx. Stem soon branching above, tomentose, and 

 sparsely pilose ; leaves lanceolate, mostly obtuse, short-petioled, rather sca- 

 brous above, canescent-tomentose beneath, the margins revolute; j)rimary 

 flowers large (V wide), solitary, the calyx pilose, later ones very small, clus- 

 tered, tomentose. — Dry soil in the middle districts. April. — Stem 6' -12' 

 high Leaves 9" - 1 2" long. 



6. H. rosmarinifolium, Pursh. Tomentose ; stem strictly erect, sim- 

 ple below, witli sliort flowering branches above, 10'- 15' high; loaves linear, 

 1' long, the margins revolute ; earlier flowers single, long-pedicelled, ^' wide, 



""the later in axillary clusters, i" long. — Louisville, Georgia (.1/. //. Hopkins, 

 whose ol)servations on this genus have afforded me valuable aid). 



2. LECHEA, L. Pinweed. 



Petals 3, persistent, not longer than the sepals. Stamens 3-12. Stig- 

 mas 3, plumose, sessile. Capsule oval or globose, 3-valved, incompletely 

 3-celled, 3 - 6-seeded. Embryo slightly curved. — Perennial herbs branching 

 above, and later at the base in the form of barren leafy shoots, witb entire 

 leaves, and small mostly greenish flowers in panicled bracted racemes. 



