424 RUBIACEAE. 



twice or thrice as long as the calyx-lobes, its lobes broad, rounded, the fruit 

 about 2 mm. long. 



Waste grounds and sink-holes, throughout the archipelago from Abaco, Great 

 Bahama and Andros to Watling's. Crooked, Inagua and Caicos Islands : Bermuda ; 

 southern United States ; West Indies and continental tropical America. 



2. Spermacoce tetraquetra A. Rich, in Sagra, Hist. Cub. 11: 29. 1850. 



Stouter and larger than S. tenuior, sometimes 6 dm. high, densely pubes- 

 cent nearly all over with long, whitish hairs. Leaves lanceolate to oblong- 

 lanceolate, rather strongly veined, acute at the apex, narrowed or obtuse at the 

 base, 2-8 cm. long, 2 cm. wide or less; calyx-lobes lanceolate, acuminate; 

 corolla white, about twice as long as the calyx-lobes; fruit about 2 mm. long. 



Waste grounds, Andros, New Providence, Inagua : Bermuda (naturalized) ; 

 Cuba. 



20. GALIUM L. Sp. PI. 105. 1753. 



Herbs, with 4-angled slender stems and branches, apparently verticillate 

 leaves, and small flowers, mostly in axillary or terminal cymes or panicles. 

 Flowers perfect, or in some species dioecious. Calyx-tube ovoid or globose, 

 the limb minutely toothed, or none. Corolla rotate, 4-lobed (rarely 3-lobed). 

 Stamens 4, rarely 3; filaments short; anthers exserted. Ovary 2-celled; ovules 

 one in each cavity. Styles 2, short; stigmas capitate. Fruit didymous, sepa- 

 rating into 2 indehiscent carpels, or sometimes only 1 of the carpels maturing. 

 Endosperm horny; embryo curved; cotyledons foliaceous. [Greek, milk, from 

 the use of G. verum for curdling.] About 250 species, of wide distribution. 

 The leaves are really opposite, the intervening members of the verticils being 

 stipules. Type species: Galhim MoUngo L. 



1. Galium bermudense L. Sp. PI. 105. 1753. 



Galium hispidulum Michx. Fl. Bor. Am. 1: 79. 1S03. 

 Selbunium bermudense Britten, Journ. Bot. 47: 42. 1909. 



Perennial, much branched, hirsute, hispid or nearly glabrous, 3-6 dm. 

 high. Leaves in 4's, 1-nerved, oval, mucronate, rather thick, 6-20 mm. long, 

 3-8 mm. wide, the margins more or less revolute in drying; flowers few, 

 terminating the branchlets, white; pedicels 6-8 mm. long, rather stout, becom- 

 ing deflexed in fruit; fruit fleshy, minutely pubescent, about 4 mm. broad. 



Pine-lands and coppices, Abaco, Great Bahama, Andros, New Providence and 

 Eleuthera : Bermuda: southeastern United States. Plants glabrous or very pubes- 

 cent. Reported by Dolley as Galium Jujpocarphnn. 



Order 7. C AMP ANUL ALES. 



Herbs, rarely shrubs, the corolla gamopetalous, or petals sometimes 

 separate in Cucurbitaceae. Stamens as many as the corolla-lobes (fewer 

 in the Cucurbitaceae); anthers united (except in Ambrosiaceae). Ovary 

 inferior. 



Flowers not in involucrate heads : .iuice mostly milky. 

 Endosperm none: flowers regular, monoecious or 



dioecious : our species vines. Fam. 1. CUCURBITACEAE. 



Endosperm present, fleshy ; flowers perfect, irregular. 



Stigma not indusiate. Fam. 2. LOBELTACEAE. 



Stigma indusiate. Fain. 3. GOODEXIACEAE. 



Flowers in involucrate heads. 



