quite frost-resistant if property hardened by reduced watering in fal! and winier.

The Star Cacti Although the Star Cacti belong to a very small Mexican genus containing only four species, their unusual beauty and easy culture have made them universally popular. The plant:- are usually globular, with a few very prominent ribs more or less covered with white scales, which make them appear as though dusted with powder The large yellow flowers appear near the lop or the plants followed by very woolly fruit.

Of all the Star Cacti the Bishop's Cap, Astrophytum myrio-stigma (as-tro-fy'-lum), is perhaps most popular and aptly named; for it is a smooth, white, spineless plant divided by five fluted ribs and crowned with yellow flowers through the summer. A. asterias. the Sand Dollar, is a much rarer spineless species that more nearly resembles a sea urchin than a cactus, until h opens its beautiful yellow blossoms Gained red in the throat. Bui the handsomest yellow and red flowers of all are borne by A. capricorne, the Goal's ! lorn, a smooth globular plant flecked with white whose spiraled r;bs bear twisted, hornlike, papery spines reminiscent of the Paper-spined Opuntia, And, finally no collection should be without the handsome and easily grown Siar Cactus A ornatum a slightly taller species whose fluted body is richly ornamented with starlike silvery scales, sharp spines, and lemon-yellow blossoms.

The Chin Cacti The gymnocalyciums (jim'-noh-ka-lis'-ee-um). or Chin Cacti, are especially recommended to beginners for their easy culture, beautiful long-lasting flowers, and interestingly shaped plants. They are generally very small globular cacti whose ribs bear curious protuberances, or "chins/1 under each areole, hence their popular name. The most popular species is undoubtedly the Plaid Cactus« G. mihanovichii a small plant with attractively banded ribs

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