CONVALLAKIACEAE 271 



entire or 3-cleft. Ovules 2 or several in each cavity. Berry thick, juicy, usually highly 



colored. [Prosartes D. Don.] 



Sepals and petals yellowish, finely dotted with black. 1. D. mac.ulatum. 



Sepals and petals greenish, not dotted with black. 2. D. lanuginosum. 



1. Disporum maculatum (Buckl. ) Britton. Foliage lanuginous, thinly so in some 

 parts. Rootstocks slender : stems 2-6 dm. tall, forking above, scaly below : leaf-blades 

 ovate-lanceolate or oblong-ovate, 3-6 cm. long, ciliate, acute or acuminate, sessile : pedi- 

 cels 5-10 mm. long : pei'ianth yellowish, 1.5-2 cm. long, nodding : sepals and petals nar- 

 rowly lanceolate or linear-lanceolate, acuminate, dotted with black, delicate. 



In woods on the mountains, North Carolina to Georgia and Tennessee. Spring and summer. 



2. Disporum lanuginosum (Michx.) Nichols. Foliage tomentulose. Rootstock 

 elongated : stems 3-9 dm. tall, widely forking, glabrous below : leaf-blades oljlong, lance- 

 olate-oblong or ovate-lanceolate, 5-12 cm. long, acuminate, ciliolate, prominently 3-5- 

 nerved at maturity, sessile : pedicels solitary or 2-3 together, 2-3 cm. long : perianth 

 drooping, greenish yellow, 14-20 mm. long, glabrous : sepals and petals linear-lanceolate, 

 each witli more or less of a claw, acuminate : berries oval, 10-14 mm. long, red. 



In woods, Ontario and New York, to the mountains of Georgia and Alabama. Spring. 



7. UVULARIA L. 



Slightly fleshy herbs, with short rootstocks and fibrous roots. Stems terete, forking, 

 often with several scales at the base. Leaves mainly cauline : blades perfoliate, membra- 

 nous, smooth-margined. Flowers terminal. Perianth drooping, conspicuous : sepals and 

 petals 3 each, distinct, each furnished with a deep nectary at the base and 2 callous ridges 

 along its sides. Stamens 6, included : filaments free : anthers elongated, erect. Ovary 

 3-celled, 3-angled : styles united to about the middle : stigmas 3. Ovules several in each 

 cavity. Capsule obovoid or turbinate, truncate or notched at the apex, 3-lobed. Seeds 

 1-3 in each cavity, subglobose, about half covered with a thin pale aril. 



Sepals and petals papillose within. 1. TJ. perfoliala. 



Sepals and petals smooth within. 2. U. grdndiflora. 



1. Uvularia perfoliata L. Foliage glaucescent. Stems 1-8 dm. tall, forking above : 

 leaf-blades thinnish, oblong to oval or broadest above the middle, 3-15 cm. long, green 

 above, acute or abruptly pointed, perfoliate, rounded or subcordate : pedicels 5-25 mm. 

 long, terminating the branches : perianth pale yellow, 2-2.5 cm. long : sepals and petals 

 linear or slightly broadened upward, more or less densely granular-papillose within : 

 anthers with acute connectives : capsules turbinate or obovate-turbinate, 1 cm. long, trun- 

 cate or lobed at the apex. 



In rich woods and thickets, Quebec and Ontario to Florida and Mississippi. Spring. 



2. Uvularia grandiflora J. E. Smith. Foliage usually puberulent when young. 

 Stems 2-8 dm. tall, forking above : leaf-blades oblong to oblong-lanceolate, perfoliate, 

 5-15 cm. long, more or less pubescent beneath or glabrate in age : pedicels 1-4 cm. long, 

 terminating the branches : perianth lemon-yellow, 3-4 cm. long, drooping : sepals and 

 petals linear-oblong or linear, acute or acuminate, smooth on both sides or nearly so : an- 

 thers with blunt connectives : capsules about 1 cm. long, truncate or rounded at the apex, 

 3-lobed. 



In rich woods and thickets, Quebec to Minnesota, Georgia and Tennessee. Spring. 



8. OAKESIELLA Small. 



Firm-fleshy herbs, with slender elongated rootstocks and angled stems. Leaf-blades 

 sessile, leathery, with scabrous margins. Flowers 1 or 2, opposite to the leaves. Perianth 

 drooping : sepals and petals 3 each, narrow, without ridges or nectaries within, nearly 

 erect. Stamens included : filaments flattened : anthers elongated. Ovary 3-celled : styles 

 partially united. Ovules several in each cavity. Capsule elliptic or oval, acutish at each 

 end, slightly stalked, tardily dehiscent. Seeds subglobose, each with a swollen spongy 

 raphe. [OakesiaS. Wats., not Tuckerm.] 



Foliage puberulent. . 1. u. puberula. 



Foliage glabrous. 



Sepals and petals acuminate : anthers with acute connectives. 2. ['. Floridana. 



Sepals and petals obtuse : anthers with obtuse connectives. 3. U. scssilifolia. 



