However into P. thermale as it is found growing always in the Geysers. Prof. Brewer has quite a number of them in his collection. No. 1537. It is very common on the dry hills, in fact it occupies the place of Festuca Myurus when dried up. No. 44. I found one on a dry hill near Fort Tejon. It is as 1856 yet but little cultivated. Milina alpinae " 78. Occupies in many places the fence corners espe- cially, near the bog and Mojave Delores. " 79. Grows in abundance near the salt-marshes at Oakland Hordeum pratense " 24. I described under the name Santhovia Californica? 1853 It is very common on dry hills where it is generally very much reduced in size (I think it is Santhovia decumbens) " 24. It is common on all hills and it forms in many 1852 places the principal grass. " 29. With these the same holds good only it is inclined 1853 to form tufts. May, June Koeleria cristata " 29. Occurs sparingly in the meadows at Oakland where it is found in the more wet places. May, June " 24. Grows in large tufts on Angel Island in wet places. 1854 Some are very high 5-6 feet (tuft often 3-4 feet in diameter). June " 25. It is dioecious; grows in pure sand near the beach) 1857 April May) its roots are very long and creeping. So among shrubs where it is protected against the wind of some specimens 3-4 feet high. Generally buried -1 foot. " 26. Salubrant in the salt marshes. June, July " 27. In grain fields and meadows very abundant in some places it is almost the only grass growing. June " 28. I found in a swamp among willows in great 1526 abundance. July. " 29. It forms in great abundance in dry and wet places 1525 Aira elongata April-June in dry places it is small; its panicles spreading, globular; in wet pl. its panicle is very long and narrow. No. 38. In a wet meadow Oakland on the border of a 1844 little streamlet. Aira heliiformis " 31. Common in wet places and in roads Polygonum Monspeliensis " 31a. Grows among 31. " 32. Found in a valley (Angel Island) early in June. " 34. 1521 Among shrubs at the same place - East side. " 31. On exposed precipices along the bay where it forms large mats 33. In wet places much later its anthers are much smaller than those of 34. and generally not exerted 36. A another form growing in open meadows. 37. 1520 On a fence corner at the Willows near Mojave 38. Among shrubs late in June. Oakland. 39. 1518 In a swamp near the Willows (populus) place 40. 1518 In the garden of Col Walker's where it is the principal weed. 41. 1518 In swamps at the Willows. Polygonum Monspeliensis 42. 1512 In wet meadows at Clear Water (20th) W.H. south; Willow-plain sparingly 43. On the borders of a rivulet at Oakland 4-5 feet h. hortus. June, July. June, July 44. 1518 In a garden. July. William's repps 45. 1508 P. Covers the dry hills early in spring in great abundance. May, May Trime micranthys 46. 1508 Sparingly, in clumps forming tufts. Festuca 47. Forms tufts at the borders of streamlets or at the foot of hills. June, July. X. paniculatus 48. Like 45. Festuca Myurus 49. Forms tufts of a foot in diameter on the borders of streets and wet hills. Its leaves have the feel of velvety when grown at the lower side and so throughout. Fest. arbritilla