SUCCULENT PLANTS. 



619 



F. cubensis, F. elegans, F. geminispina, F. gigantea, 

 F. Lindeni, F. longceva, F. macrophylla, and F. undulata. 



Gasteria. — Dwarf Aloe-like plants, all natives of 

 South Africa. They have rigid, usually trigonous, 

 fleshy, unarmed leaves, mottled or covered with raised 

 dots of gray. Their flowers are bright in colour, gener- 

 ally red, curved, and borne on long slender scapes, some- 

 times branched. They are charming plants for the 



Fig. 748.— Euphorbias. 

 1, globosa. 2, cereiformis. 3, Macowani. 4, Caput-Medusae. 5, meloformis 

 7, polygona. 8, Beaumeriana. 9, Sipolisii. 10, Cooperi. 



greenhouse. If grown in bright sunshine the leaves 

 are apt to scald. They flower in spring or early summer. 

 They require little water in winter. 



Species with smooth foliage and a spiral habit of 

 growth: — G. Boioieana, G. formosa, G. obliqua, and G. 

 spiralis. 



Species with smooth foliage and a distichous habit of 

 growth : — G. disticha, G. formosa, G. lingua, and G. 

 nigricans. 



Species with rough foliage and a spiral habit of growth : 

 — G. carinata, G. Icetepunctata, G. strigosa, and G. undata. 



Species with rough foliage and a distichous habit, of 

 growth: — G. brevifolia, G. intermedia, and G. verrucosa. 



Haworthia. — Dwarf Aloe-like South African plants, 

 remarkable for the raised white pearl-like markings on 

 the leaves of many of the species, which have obtained for 

 them the name of Pearl Aloes. They require shade in 

 summer and not over-drying in winter. 



Species with smooth, foliage and fringed margins: — 

 H. a.rachnoidea, H. Bolusii, H. setata, and H. trans- 

 lucens. 



Species with smooth, plain foliage: — H. cuspidata, H. 

 parva. II. planifolia, H. retusa, H. tessellata, and H. 

 turgida. 



Species with verrucose foliage with large warts: — 



11. erecta, H. margaritifcra, H. papnllosa, and //. sub- 

 attenuata. 



Species with verrucose foliage with small warts: — 

 H. attenuata, II. clariperla, II. fasci/ita, and //. radula. 



Species with stiff, spiral, green, cuspidate foliage: — 



II. bullata, H. congesta, II. foliolosa, II. pentagona, and 



H. spiralis. These are more rigid than the others, and 



grow 6 to 12 inches high. They are not unlike a 



branchlet of Araucaria imbricata. They 



are sometimes placed in a separate genus, 



namely, Apicra. 



Kalanchoe. — Chiefly African plants, 

 related to Crassula. They are erect her- 

 baceous shrubs with very fleshy decussate 

 foliage, and some of them bear large 

 corymbose heads of bright-coloured flowers. 

 They may be grown in a greenhouse or 

 frame if allowed plenty of sunlight. The 

 best species, K. flammea (scarlet), from 

 Somaliland, requires a tropical tempera- 

 ture until it has made its growth, when 

 it should be removed for a few weeks into 

 a greenhouse, and be kept dry. It flowers 

 in early summer and lasts at least two 

 months. 



Other species in gardens are: — K. 

 carnea (pink), K. grandiflora (yellow), K. 

 marmorata (marbled leaves), and K. thyr- 

 sijlora. 



Kleinia.— A Senecio-like genus, with 

 fleshy leaves and yellow flowers. They 

 are grown chiefly as bedding plants, some 

 of them having gray or silvery leaves of 

 ornamental character. They grow and 

 flourish with the same treatment as Cras- 

 sula, being from the same source. 



K. articulata, K. calamifolia, K. repejis, 

 K. spinulifera, and K. tomentosa. 



Mam i Maria. — A large genus of dwarf 

 Cacti, depending on the various colours 

 of the spines and the geometrical arrange- 

 ment of the mammi for their chief attrac- 

 tions. By arranging them in groups accor- 

 ding to the colours of their spines and their size, selection 

 of sorts will be facilitated. They all grow freely in a 

 greenhouse, and require free watering in summer, with 

 occasional syringing overhead to keep down insects. 

 They will live through the winter without water. Their 

 flowers, which are small and usually red, are developed 

 in a zone a little below the apex of the stem. 



Stems 4 to 12 inches high, white spines : — 31. angidaris, 

 31. bicolor, 31. cirrhifera, 31. nivca, 31. nobilis, M. Parhin- 

 soni, 31. Peacockii, 31. senilis. 



Stems branching, 1 to 5 inches high, spines white: — 

 31. gracilis, 31. polia, 31. Schicdeana, 31. stellar is. 



Stems dense, erect, 4 to 18 inches high, spines yellow: — 

 31. erecta, 31. Odieriana, 31. Pfeiffcri, 31. rhodantha, 31. 

 Schlectendalii, 31. spinosissima. 



Stems branching, 1 to 4 inches high, spines yel- 

 low : — 31. densa, 31. echinata, 31. stella-aurata, 31. 

 Wildiana. 



Stems erect, 6 to 20 inches high, spines red: — 31. 

 caracasana, 31. elegans, 31. rhodacantha, 31. Schdhasii, 

 31. verrucidata. 



Stems erect, 4 to 12 inches high, dark spines: — 31. 

 coronaria, 31. Jceiccnsis, 31. mclalcuca. 31. pliymatothclc, 

 31. tetracantha, 31. variabilis. 31. vctitla. 



Mammi large, flowers yellow, spines brown: — 31. cle- 



tetragona. 



