254 XCI. SOLANACEZ (WRIGHT). | Lyciwm. 
and hairy at the base; anthers short, cells parallel, dehiscing longi- 
tudinally. Disk annular or cupular. Ovary 2-celled ; ovules many. 
Berry globose, ovoid or conical, rather fleshy; pericarp thin or fleshy. 
Seeds many, rarely few or solitary, compressed; testa crustaceous, 
pitted; embryo much curved, near the circumference; cotyledons 
semiterete.—Trees or shrubs, ultimate branchlets often spiny, glabrous 
or pubescent. Leaves entire, linear to lanceolate, subterete or flat, 
often in fascicles on rudimentary branchlets. Flowers usually solitary. 
Species about 50, in temperate and warm regions throughout the world; very 
common in extra-tropical South America. 
Flowers 5-merous. 
Filaments glabrous . : : : : : . I. BL. persieum, 
Filaments hairy at the bas : : . 2%. L. decumbens. 
Flowers 4-merous : : : : ; : . 38. ZL. arenicolum. 
1. L. persicum, Miers in Ann. & Mag. Nat. Hist. ser. 2, xiv. 
(1854) 12. Branches slender, glabrous or ashy pubescent, spines 
straight. Leaves spathulate-obovate or oblong, glabrous or puberulous, 
4-# in. long, }-2 lin. wide; petiole up to 2 lin.long. Flowers solitary ; 
peduncle up to} in.long. Calyx shortly tubular, 2 lin. long, including 
the } lin: long triangular lobes, ciliate. Corolla blue-purple ; tube 3 in. 
long, cylindrical in the lower quarter, then gradually widening upwards; 
lobes 5, oval, obtuse, ciliate, 1 lin. long. Stamens 5, unequal, inserted 
about the middle of the corolla-tube, included; filaments glabrous; 
anthers } lin. long, shortly apiculate. Ovary globose.— Boselli in Ann. 
Istit. Bot. Roma, viii. 237; var. sevwm, Vatke in Linnea, xiii. 333. 
L. mediterraneum, vars. cinereum, cinnamomeum and leucocladum, Dunal 
in DC. Prodr. xiii. i, 524-525; Schweinf. in Verh. Zool.-Bot. Ges. 
Wien, xv. (1865) 551. LZ. arabicum, Schweinf. ex Boiss. F1. Orient. iv. 
289. L. europwum, Th. Anders. Florula Aden. 26, not of Linn. 
L, erythreum, Schweinf. ex Vatke. 
Nile Land. Nubia: Wadi Uarag, Schweinfurth, 37! Wadi Rischrasch, 
Schweinfurth, 13! Wadi Abu Hamad, Schweinfurth, 229! coast region, Beat! 
Lord! Makaur (Macowa) Island, Schweinfurth, 1399! Eritrea: Erkowit 
Mountain, Schweinfurth, 251! Isola Sarad, Terracciano, 288 ; Dasych-Nocra, 
Terracciano, 280. Somaliland : Harradigit, James & Thrupp! Uganda: Kedon 8 
Aloe 6000-7000 ft., Scott-Elliot, 6610! British East Africa: Tula River, 
we J 
Also in Egypt and Arabia. 
2. La. decumbens, Welw. ex Hiern in Cat. Afr. Pl. Welw. i. 752. 
A glabrescent shrub, 1-1} ft. high. Stems rather thick, prostrate, 
nodose, intricately branched, spiny ; branches rigid, mostly divaricate ; 
spines whitish, very rigid, acute, patent, 4-3 in. long. Leaves alternate, 
and fascicled, oblanceolate, rounded at the apex, wedge-shaped at the 
sessile or subsessile base, fleshy, glandular-squamulose at least beneath, 
glaucescent, 4-3 in. long, about 1 lin. broad, flat, entire. Flowers 
axillary, solitary, 5 lin. long; peduncle nearly } in. long. Calyx 
campanulate, 2} lin. long, pale green, shortly trifid, glandular- 
squamulose outside; lobes more or less broadly ovate, obtuse, shortly 
