des Sciences de Saint- Petersbourg. 
fructiferi longiores, in parte lignescente cortice 
laevi tecti, foliosi, foliis sparsis exsiccatione nigri- 
cantibus. Folia carnosula clavata 2—3!/;" longa, 
rarius in planta vegetiore nondum alabastra ferente 
semipollicaria, juniora exsiccata vix ultra 1/,” 
crassa, tunc demum paulo crassiora, glaberrima 
patentissima teretiuscula obtusa, plerumque apice 
paulo crassiora. Flores in axillis superioribus ex- 
acte sessiles solitarii minutissimi, incipiente an- 
thesi vix ultra '," magni, bibracteolati. Bracteolae 
flore breviores RE E breviter ovatae mem- 
branaceo marginatae obtusae. Sepala 5 suborbi- 
culata concava latiuscule membranaceo marginata 
obtusissima, ima basi connata. Staminodia 5 ro- 
tundata carnosula margine glandulosa. Filamenta 
brevia inter ovarium et staminodia inserta et bre- 
vissime cum his connata inclusa. Antherae cor- 
dato-reniformes obtusissimae vix exsertae. Ova- 
rium subglobosum in stylum brevissimum attenua- 
tum, stigmatibus 2 vel 3 brevibus divaricatis. Se- 
pala fructigera longe supra medium alata, parte 
inferiore concava latiuscula, parte supra alam sita 
brevi incurva, alis tenuibus flabellatis patulis 21/," 
latis et 11,” altis. Pericarpium carnosulo-coria- 
ceum nigrum, tenuissime subpapulosum, a semine 
` facile solutum. Seminis horizontalis integumentum 
fuscescens membranaceum. Embryo spiralis-exal- 
buminosus, rostello flavicante, cotyledonibus multo 
brevioribus intense viridibus. SEN vix con- 
spicua. 
Tribus VIII. Anabaseae. 
Anabasis L. 
1. Caules annui herbacei a trunco articulato- 
Becodabel C olco Iva die eve Evi Vea 
Caules basi persistente lignescentes. 2. 
2. Sepala tria tantum alata, folia obsoletissima 
truncata 
Sepala 5 omnia alata, folia distincta apice 
setigera 
- 59. À. cretacea Pall. Bge. Anab. rev. p. 36. 
Hab. in Mongolia boreali, prope Kok-bucha, 10. 
Aug. 1876. (Potanin.) 
60. A. aphylla L. Bge. l. c. p. 40. ` 
Hab. in Mongolia boreali, in trajectu inter Kender- 
lyk ad Assu-Ssary-bulak, 4. Aug. 1876 et prope 
Kran, 28. Aug. 1876. (Potanin), in Mongolia oc- 
cidentali (Piassezki.) 
Tome XXV. 
A. cretacea. 
E yq Ae Ire va AC PV AE e aphylla. 
A. brevifolia. 
CRC £'s 
61. A. brevifolia C. A. M. Bge. l. c. p. 42. Ind. mong. 
Le 
Hab. in deserto Gobi Mongoliae orientalis mediae 
(Bge., Tatarinow, Kirilow), Mongolia australi, in 
arenosis montium Alaschan frequens, 25. Sept. 
1871. et in desertis ad boream montium horum, 
in argillosis rarius, 28. Juli 1873., boreali: in 
terra Chalcha, ad rupes et in lutosis lapidosis 
vulgaris, 25. Aug. 1873. (Przewalski), in rupestri- 
bus pr. Kran, 29. Aug., pr. Kok-bucha, 10. Aug. 
76; Altai australi, inter lacum Burá et fl. Tugu- 
rjuk, 5. Juli 77., et pr. Zagan-derissu, 2. Juli 77. 
(Potanin.) 
Brachylepis C. A. Mey. 
62. B. salsa C. A M. Bge. l. c. p. 48. 
Hab. ad litus austro-orientale lacus Uliungur, 15. 
Aug. 76, et pr. Kertsch ad fl. Tschakyrta, Mon- 
goliae borealis (Potanin.) 
Nanophytum Less. 
63. N. erinaceum Pall. Bge. 1. c. p. 51. 
Hab. in Mongolia boreali, prope Assu-ssary-bulak, 
in argilloso-salsis, 5. Aug. 76. et prope Kertsch 
ad fl. Tschakyrta (Potanin), in Mongolia occiden- 
tali (Piassezki.) 
Petrosimonia Bge. 
64. P. sibirica Pall. Bge. l. c. p. 60. 
Hab. in Mongolia boreali in itinere a fl. Ulasty ad 
fl. Tumandy, 7. Aug. 76 et ad fl. Tschakyrta, 5. 
Aug. 76. (Potanin.) 
Halogeton C. A. Mer 
Samen Verticale 4.15.4440 a its H. glomeratus. 
»:. horixontalo...... 14020 H. arachnoideus. 
? 
65. H. arachnoideus Moq. Bge. l. c. p. 98. Ind. mong. 
Ee 6. 
Hab. in Mongoliae orientalis australioris arenosis 
(Bunge, 1831., Tatarinow, 1840., Kirilow 1841), et 
australi, in montibus Alaschan, Sept. 71. (Prze- 
walski fructif.), boreali: in ditione Chalcha, lapi- 
dosis nudis deserti aridissimi Golbyn-gobi frequens, 
15. Aug. vix florens (Przewalski), in litore austro- 
orientali lacus Uliungur prope Salburta (Potanin), 
in Mong. oceid. (Piassezki). 
Collecta insuper in terra Chalcha, 20. Aug. 73, spe- 
cimina duo sub N. 267 a. D? Przewalski, quae for- 
24 
