226 EUPHORBIACEAE. 



principal veins 3 or 4 on each side, straight) sh, prominulous, parallel to the 

 cuneate leaf-base; stipules lanceolate, setaceous, persistent, 1 cm. long; inflo- 

 rescence in contracted scorpioid racemes. Male flowers 3 or 4, one above the 

 other, 2-3-bracteolate, short-pedicellate, 2 mm. long; calyx 5-parted, the seg- 

 ments lanceolate; petals reddish, lanceolate, cut at the obtuse apex; glands of 

 the disk alternate with the petals; stamens 5, as long as and opposite the 

 petals, the filaments slightly cohering at the base. Female flowers subsolitary, 

 inferior, short-pedicellate; calyx as in the male; petals none; styles 3-4-fid 

 with linear, unequal branches. Capsule depressed, carpels subglobose; seeds 

 punctate-scabrous, 1 mm. in diameter. 



Open white-lands and dunes. Fortune Island and Inagua. Endemic. Silky 

 Argythamnia. 



2. Argythamnia argentea Millsp. Field Mus. Bot. 2: 154. 1906. 



Argithamnia lanceolata Pax & K. Hoffm. Pflanzenreich 147: 79. 1912. 



A small shrub, branching from the base; branches canescent, densely leafy. 

 Leaves lanceolate, attenuate at both ends, short-petioled, 1.5-3.5 X -6-1 cm., 

 margin sparingly and slightly dentate above, silvery-sericeous; stipules broad, 

 cuspidate. Inflorescence in axillary racemes. Male flowers 3 ; sepals 4, ovate- 

 lanceolate; petals 4, thick; sepals similar, shorter; bract 1, scaphoid. Female 

 flowers 3; sepals elongate-lanceolate; petals minute, ligulate, alternate with the 

 glands of the disk; styles 3, bifurcate nearly to the base, the apex bilobed; 

 ovary canescent. Capsule and seeds unknown. 



Scrub-lands, Inagua, Castle Island, Grand Turk and South Caicos : Hispaniola. 

 Silvery Argythamnia. 



3. Argythamnia lucayana Millsp. Field Mus. Bot. 2: 154. 1906. 



A small branching ascending or prostrate shrub, the branches minutely 

 sericeous, sparsely leaved, 3-5 dm. long. Leaves sessile, elliptic- or obovate- 

 lanceolate. bluish green, 2.5-3.5 X 1-1-5 cm., the apex acute or short-acuminate, 

 the margin entire or very minutely and remotely glandular-denticulate, sparsely 

 and minutely strigose-pilose when young, glabrous when mature; racemes 6-10 

 mm. long, 4-6-flowered. Male flowers: sepals deltoid-lanceolate equaling the 

 spatulate, pilose petals; stamens 4, glabrous. Female flowers: lobes lance- 

 olate, acuminate; petals minute, narrowly-lanceolate, obtuse, paleaceous, many 

 times shorter than the sepals; ovary villous; styles villous, 2-3-dichotomous, 

 the terminal divisions short. Seeds globose, dark brown, apiculate, 1.5 mm. 

 diam., anastomose-reticulate, the surface coated with a hydnum-like porous 

 integument. 



Rocky and sandy coppices, Berry Islands and Andros to Eleuthera, Long Island, 

 Caicos and Inagua. Bahama specimens previously referred to A. candicans Sw., to 

 which the species is related, belong here. Endemic. Bahama Argythamnia. 



12. ADELIA L. Syst. ed. 10, 1298. 1759. 



[Bernardia P. Br. Hist. Jam. 361. Hyponym. 1756.] 



Shrubs with serrate stipulate leaves pubescent with simple hairs and dioe- 

 cious flowers. Male flowers in axillary amentaceous spikes, each flower sessile 

 in the axil of a bract; calyx 3-5-parted; stamens 15-20, distinct, the interior 

 central and mixed with some glands; anthers cruciate-globose, 4-celled, 2 cells 

 anterior. Female flowers few or solitary, subterminal, 3-bracteate; calyx 5-6- 

 parted, biseriate; styles 3, short, lacerate-crenate. [Greek, referring to the 

 inconspicuous flowers.] A few species of tropical America, the following 

 typical. 



