232 PATAGONIAN EXPEDITIONS: BOTANY. 



celled, the cells i-3-seeded ; testa of seeds thin, fuscous ; embryo very 

 curved, cotyledons semi-terete, radicle inferior ; Pseudolycium when 

 i -celled and 2-seeded. Thorny shrubs, with axillary or racemed, violet- 

 green flowers. 



i. GRABOWSKIA AMEGHINOI (Speg.) Speg. 



Syn. Lycium durispina Dusen. 



Drupe globose, slightly accrescent, and often covered by the dry per- 

 sistent corolla, glabrous (3-4 mm. diam.) ruddy; pyrenes semilenticular, 

 convex dorsally; smooth, not sulcate; base rounded, not excavate, nor 

 pervious. 



Over all Mid and N. W. Patagonia, by Rio Chubut, etc. 



2. G. MEGALOSPERMA Speg. 



Pseudolycium,' a shrub a meter high or more. Branches spiniform, 

 spreading, strong. Leaves fasciculate, somewhat fleshy, obovate, oblanceo- 

 late, obtuse, cuneate-petiolate. Flowers rather large, often solitary on 

 acrogenous spines ; pedicels slender, not longer than the calyx, which is 

 campanulate, with obtuse, ovate lobes. Corolla white-livid, twice as long 

 as calyx, lobes acute. Drupe large, fuscous purple, with accrescent calyx. 



Patagon., by Golfo de San Jorge; in dry rocky places. 



3. G. SPEGAZZINII Dus. Dusen, Neue und Selt. Gefasspfl., p. 33, Taf. 4, 



Fig. 2, and Taf. 8, Fig. 28-31. 



Frutex decumbens, espinosus, radice verticali, longissima, robusta, 

 superne ad 3.0 cm. usque crassa, apice ramos plurimos emittente ; rami 

 robusti, ad 30 cm. usque longi, horizontales, flexuosi, ad terram appressi, 

 cortice griseo, rimuloso obtecti, ramulosi, ramulis tuberculosis, robustis ; 

 folia in tuberculis fasciculatim congesta, parva, glabra, carnosula, paul- 

 lulum concava vel canaliculata, polymorpha, lanceolata, oblanceolata, 

 ovali-oblonga vel interdum cuneata, 1.0-3.0 mm. longa, epetiolata, nervis 

 inconspicuis ; flores parvi, brevissime pedunculati, solitarii bini vel in fas- 

 ciculis foliorum dispositis ; calyx glaberrimus, campanulatus, ad medium 

 4-lobatus, lobis triangularibus, acutis, marginibus ciliolatis ; corolla pallide 

 flava, calyce circiter triple longiora, obconica, 4-lobata, lobis revolutis, 

 deplanatis semiorbicularibus ; stamina subexserta ; pistillum corolla sub- 

 breviore, stigmate hemisphaerico ; drupa fere sphaerica, miniata, glaber- 

 rima, seminibus binis, plano-convexis, ambitu late ovatis, glaberrimis. 



